maven-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From hbout...@apache.org
Subject [24/54] [abbrv] [partial] maven-resolver git commit: [MNG-6007] renamed Aether to Maven Artifact Resolver
Date Sun, 22 Jan 2017 14:02:19 GMT
http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/MetadataTransfer.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/MetadataTransfer.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/MetadataTransfer.java
deleted file mode 100644
index 94eb46e..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/MetadataTransfer.java
+++ /dev/null
@@ -1,115 +0,0 @@
-package org.eclipse.aether.spi.connector;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.io.File;
-
-import org.eclipse.aether.metadata.Metadata;
-import org.eclipse.aether.transfer.MetadataTransferException;
-
-/**
- * A download/upload of metadata.
- * 
- * @noextend This class is not intended to be extended by clients.
- */
-public abstract class MetadataTransfer
-    extends Transfer
-{
-
-    private Metadata metadata;
-
-    private File file;
-
-    private MetadataTransferException exception;
-
-    MetadataTransfer()
-    {
-        // hide
-    }
-
-    /**
-     * Gets the metadata being transferred.
-     * 
-     * @return The metadata being transferred or {@code null} if not set.
-     */
-    public Metadata getMetadata()
-    {
-        return metadata;
-    }
-
-    /**
-     * Sets the metadata to transfer.
-     * 
-     * @param metadata The metadata, may be {@code null}.
-     * @return This transfer for chaining, never {@code null}.
-     */
-    public MetadataTransfer setMetadata( Metadata metadata )
-    {
-        this.metadata = metadata;
-        return this;
-    }
-
-    /**
-     * Gets the local file the metadata is downloaded to or uploaded from. In case of a download, a connector should
-     * first transfer the bytes to a temporary file and only overwrite the target file once the entire download is
-     * completed such that an interrupted/failed download does not corrupt the current file contents.
-     * 
-     * @return The local file or {@code null} if not set.
-     */
-    public File getFile()
-    {
-        return file;
-    }
-
-    /**
-     * Sets the local file the metadata is downloaded to or uploaded from.
-     * 
-     * @param file The local file, may be {@code null}.
-     * @return This transfer for chaining, never {@code null}.
-     */
-    public MetadataTransfer setFile( File file )
-    {
-        this.file = file;
-        return this;
-    }
-
-    /**
-     * Gets the exception that occurred during the transfer (if any).
-     * 
-     * @return The exception or {@code null} if the transfer was successful.
-     */
-    public MetadataTransferException getException()
-    {
-        return exception;
-    }
-
-    /**
-     * Sets the exception that occurred during the transfer.
-     * 
-     * @param exception The exception, may be {@code null} to denote a successful transfer.
-     * @return This transfer for chaining, never {@code null}.
-     */
-    public MetadataTransfer setException( MetadataTransferException exception )
-    {
-        this.exception = exception;
-        return this;
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/MetadataUpload.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/MetadataUpload.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/MetadataUpload.java
deleted file mode 100644
index d992757..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/MetadataUpload.java
+++ /dev/null
@@ -1,98 +0,0 @@
-package org.eclipse.aether.spi.connector;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.io.File;
-
-import org.eclipse.aether.RequestTrace;
-import org.eclipse.aether.metadata.Metadata;
-import org.eclipse.aether.transfer.MetadataTransferException;
-import org.eclipse.aether.transfer.TransferListener;
-
-/**
- * An upload of metadata to a remote repository. A repository connector processing this upload has to use
- * {@link #setException(MetadataTransferException)} to report the results of the transfer.
- */
-public final class MetadataUpload
-    extends MetadataTransfer
-{
-
-    /**
-     * Creates a new uninitialized upload.
-     */
-    public MetadataUpload()
-    {
-        // enables default constructor
-    }
-
-    /**
-     * Creates a new upload with the specified properties.
-     * 
-     * @param metadata The metadata to upload, may be {@code null}.
-     * @param file The local file to upload the metadata from, may be {@code null}.
-     */
-    public MetadataUpload( Metadata metadata, File file )
-    {
-        setMetadata( metadata );
-        setFile( file );
-    }
-
-    @Override
-    public MetadataUpload setMetadata( Metadata metadata )
-    {
-        super.setMetadata( metadata );
-        return this;
-    }
-
-    @Override
-    public MetadataUpload setFile( File file )
-    {
-        super.setFile( file );
-        return this;
-    }
-
-    @Override
-    public MetadataUpload setException( MetadataTransferException exception )
-    {
-        super.setException( exception );
-        return this;
-    }
-
-    @Override
-    public MetadataUpload setListener( TransferListener listener )
-    {
-        super.setListener( listener );
-        return this;
-    }
-
-    @Override
-    public MetadataUpload setTrace( RequestTrace trace )
-    {
-        super.setTrace( trace );
-        return this;
-    }
-
-    @Override
-    public String toString()
-    {
-        return getMetadata() + " - " + getFile();
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/RepositoryConnector.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/RepositoryConnector.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/RepositoryConnector.java
deleted file mode 100644
index 51e0627..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/RepositoryConnector.java
+++ /dev/null
@@ -1,77 +0,0 @@
-package org.eclipse.aether.spi.connector;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.io.Closeable;
-import java.util.Collection;
-
-/**
- * A connector for a remote repository. The connector is responsible for downloading/uploading of artifacts and metadata
- * from/to a remote repository.
- * <p>
- * If applicable, a connector should obey connect/request timeouts and other relevant settings from the
- * {@link org.eclipse.aether.RepositorySystemSession#getConfigProperties() configuration properties} of the repository
- * session it has been obtained for. However, a connector must not emit any events to the transfer listener configured
- * for the session. Instead, transfer events must be emitted only to the listener (if any) specified for a given
- * download/upload request.
- * <p>
- * <strong>Note:</strong> While a connector itself can use multiple threads internally to performs the transfers,
- * clients must not call a connector concurrently, i.e. connectors are generally not thread-safe.
- * 
- * @see org.eclipse.aether.spi.connector.transport.TransporterProvider
- * @see org.eclipse.aether.spi.connector.layout.RepositoryLayoutProvider
- * @see org.eclipse.aether.spi.connector.checksum.ChecksumPolicyProvider
- */
-public interface RepositoryConnector
-    extends Closeable
-{
-
-    /**
-     * Performs the specified downloads. If a download fails, the connector stores the underlying exception in the
-     * download object such that callers can inspect the result via {@link ArtifactDownload#getException()} and
-     * {@link MetadataDownload#getException()}, respectively. If reasonable, a connector should continue to process the
-     * remaining downloads after an error to retrieve as many items as possible. The connector may perform the transfers
-     * concurrently and in any order.
-     * 
-     * @param artifactDownloads The artifact downloads to perform, may be {@code null} or empty.
-     * @param metadataDownloads The metadata downloads to perform, may be {@code null} or empty.
-     */
-    void get( Collection<? extends ArtifactDownload> artifactDownloads,
-              Collection<? extends MetadataDownload> metadataDownloads );
-
-    /**
-     * Performs the specified uploads. If an upload fails, the connector stores the underlying exception in the upload
-     * object such that callers can inspect the result via {@link ArtifactUpload#getException()} and
-     * {@link MetadataUpload#getException()}, respectively. The connector may perform the transfers concurrently and in
-     * any order.
-     * 
-     * @param artifactUploads The artifact uploads to perform, may be {@code null} or empty.
-     * @param metadataUploads The metadata uploads to perform, may be {@code null} or empty.
-     */
-    void put( Collection<? extends ArtifactUpload> artifactUploads, Collection<? extends MetadataUpload> metadataUploads );
-
-    /**
-     * Closes this connector and frees any network resources associated with it. Once closed, a connector must not be
-     * used for further transfers, any attempt to do so would yield a {@link IllegalStateException} or similar. Closing
-     * an already closed connector is harmless and has no effect.
-     */
-    void close();
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/RepositoryConnectorFactory.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/RepositoryConnectorFactory.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/RepositoryConnectorFactory.java
deleted file mode 100644
index 0d401c4..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/RepositoryConnectorFactory.java
+++ /dev/null
@@ -1,60 +0,0 @@
-package org.eclipse.aether.spi.connector;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import org.eclipse.aether.RepositorySystemSession;
-import org.eclipse.aether.repository.RemoteRepository;
-import org.eclipse.aether.transfer.NoRepositoryConnectorException;
-
-/**
- * A factory to create repository connectors. A repository connector is responsible for uploads/downloads to/from a
- * certain kind of remote repository. When the repository system needs a repository connector for a given remote
- * repository, it iterates the registered factories in descending order of their priority and calls
- * {@link #newInstance(RepositorySystemSession, RemoteRepository)} on them. The first connector returned by a factory
- * will then be used for the transfer.
- */
-public interface RepositoryConnectorFactory
-{
-
-    /**
-     * Tries to create a repository connector for the specified remote repository. Typically, a factory will inspect
-     * {@link RemoteRepository#getProtocol()} and {@link RemoteRepository#getContentType()} to determine whether it can
-     * handle a repository.
-     * 
-     * @param session The repository system session from which to configure the connector, must not be {@code null}. In
-     *            particular, a connector must notify any {@link RepositorySystemSession#getTransferListener()} set for
-     *            the session and should obey the timeouts configured for the session.
-     * @param repository The remote repository to create a connector for, must not be {@code null}.
-     * @return The connector for the given repository, never {@code null}.
-     * @throws NoRepositoryConnectorException If the factory cannot create a connector for the specified remote
-     *             repository.
-     */
-    RepositoryConnector newInstance( RepositorySystemSession session, RemoteRepository repository )
-        throws NoRepositoryConnectorException;
-
-    /**
-     * The priority of this factory. When multiple factories can handle a given repository, factories with higher
-     * priority are preferred over those with lower priority.
-     * 
-     * @return The priority of this factory.
-     */
-    float getPriority();
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/Transfer.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/Transfer.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/Transfer.java
deleted file mode 100644
index fc77011..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/Transfer.java
+++ /dev/null
@@ -1,93 +0,0 @@
-package org.eclipse.aether.spi.connector;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import org.eclipse.aether.RequestTrace;
-import org.eclipse.aether.transfer.TransferListener;
-
-/**
- * An artifact/metadata transfer.
- * 
- * @noextend This class is not intended to be extended by clients.
- */
-public abstract class Transfer
-{
-
-    private TransferListener listener;
-
-    private RequestTrace trace;
-
-    Transfer()
-    {
-        // hide from public
-    }
-
-    /**
-     * Gets the exception that occurred during the transfer (if any).
-     * 
-     * @return The exception or {@code null} if the transfer was successful.
-     */
-    public abstract Exception getException();
-
-    /**
-     * Gets the listener that is to be notified during the transfer.
-     * 
-     * @return The transfer listener or {@code null} if none.
-     */
-    public TransferListener getListener()
-    {
-        return listener;
-    }
-
-    /**
-     * Sets the listener that is to be notified during the transfer.
-     * 
-     * @param listener The transfer listener to notify, may be {@code null} if none.
-     * @return This transfer for chaining, never {@code null}.
-     */
-    Transfer setListener( TransferListener listener )
-    {
-        this.listener = listener;
-        return this;
-    }
-
-    /**
-     * Gets the trace information that describes the higher level request/operation in which this transfer is issued.
-     * 
-     * @return The trace information about the higher level operation or {@code null} if none.
-     */
-    public RequestTrace getTrace()
-    {
-        return trace;
-    }
-
-    /**
-     * Sets the trace information that describes the higher level request/operation in which this transfer is issued.
-     * 
-     * @param trace The trace information about the higher level operation, may be {@code null}.
-     * @return This transfer for chaining, never {@code null}.
-     */
-    Transfer setTrace( RequestTrace trace )
-    {
-        this.trace = trace;
-        return this;
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/ChecksumPolicy.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/ChecksumPolicy.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/ChecksumPolicy.java
deleted file mode 100644
index eb1716d..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/ChecksumPolicy.java
+++ /dev/null
@@ -1,142 +0,0 @@
-package org.eclipse.aether.spi.connector.checksum;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import org.eclipse.aether.transfer.ChecksumFailureException;
-
-/**
- * A checksum policy gets employed by repository connectors to validate the integrity of a downloaded file. For each
- * downloaded file, a checksum policy instance is obtained and presented with the available checksums to conclude
- * whether the download is valid or not. The following pseudo-code illustrates the usage of a checksum policy by a
- * repository connector in some more detail (the retry logic has been omitted for the sake of brevity):
- * 
- * <pre>
- * void validateChecksums() throws ChecksumFailureException {
- *   for (checksum : checksums) {
- *     switch (checksum.state) {
- *       case MATCH:
- *         if (policy.onChecksumMatch(...)) {
- *           return;
- *         }
- *         break;
- *       case MISMATCH:
- *         policy.onChecksumMismatch(...);
- *         break;
- *       case ERROR:
- *         policy.onChecksumError(...);
- *         break;
- *     }
- *   }
- *   policy.onNoMoreChecksums();
- * }
- * 
- * void downloadFile() throws Exception {
- *   ...
- *   policy = newChecksumPolicy();
- *   try {
- *     validateChecksums();
- *   } catch (ChecksumFailureException e) {
- *     if (!policy.onTransferChecksumFailure(...)) {
- *       throw e;
- *     }
- *   }
- * }
- * </pre>
- * 
- * Checksum policies might be stateful and are generally not thread-safe.
- */
-public interface ChecksumPolicy
-{
-
-    /**
-     * Bit flag indicating a checksum which is not part of the official repository layout/structure.
-     */
-    int KIND_UNOFFICIAL = 0x01;
-
-    /**
-     * Signals a match between the locally computed checksum value and the checksum value declared by the remote
-     * repository.
-     * 
-     * @param algorithm The name of the checksum algorithm being used, must not be {@code null}.
-     * @param kind A bit field providing further details about the checksum. See the {@code KIND_*} constants in this
-     *            interface for possible bit flags.
-     * @return {@code true} to accept the download as valid and stop further validation, {@code false} to continue
-     *         validation with the next checksum.
-     */
-    boolean onChecksumMatch( String algorithm, int kind );
-
-    /**
-     * Signals a mismatch between the locally computed checksum value and the checksum value declared by the remote
-     * repository. A simple policy would just rethrow the provided exception. More sophisticated policies could update
-     * their internal state and defer a conclusion until all available checksums have been processed.
-     * 
-     * @param algorithm The name of the checksum algorithm being used, must not be {@code null}.
-     * @param kind A bit field providing further details about the checksum. See the {@code KIND_*} constants in this
-     *            interface for possible bit flags.
-     * @param exception The exception describing the checksum mismatch, must not be {@code null}.
-     * @throws ChecksumFailureException If the checksum validation is to be failed. If the method returns normally,
-     *             validation continues with the next checksum.
-     */
-    void onChecksumMismatch( String algorithm, int kind, ChecksumFailureException exception )
-        throws ChecksumFailureException;
-
-    /**
-     * Signals an error while computing the local checksum value or retrieving the checksum value from the remote
-     * repository.
-     * 
-     * @param algorithm The name of the checksum algorithm being used, must not be {@code null}.
-     * @param kind A bit field providing further details about the checksum. See the {@code KIND_*} constants in this
-     *            interface for possible bit flags.
-     * @param exception The exception describing the checksum error, must not be {@code null}.
-     * @throws ChecksumFailureException If the checksum validation is to be failed. If the method returns normally,
-     *             validation continues with the next checksum.
-     */
-    void onChecksumError( String algorithm, int kind, ChecksumFailureException exception )
-        throws ChecksumFailureException;
-
-    /**
-     * Signals that all available checksums have been processed.
-     * 
-     * @throws ChecksumFailureException If the checksum validation is to be failed. If the method returns normally, the
-     *             download is assumed to be valid.
-     */
-    void onNoMoreChecksums()
-        throws ChecksumFailureException;
-
-    /**
-     * Signals that the download is being retried after a previously thrown {@link ChecksumFailureException} that is
-     * {@link ChecksumFailureException#isRetryWorthy() retry-worthy}. Policies that maintain internal state will usually
-     * have to reset some of this state at this point to prepare for a new round of validation.
-     */
-    void onTransferRetry();
-
-    /**
-     * Signals that (even after a potential retry) checksum validation has failed. A policy could opt to merely log this
-     * issue or insist on rejecting the downloaded file as unusable.
-     * 
-     * @param exception The exception that was thrown from a prior call to
-     *            {@link #onChecksumMismatch(String, int, ChecksumFailureException)},
-     *            {@link #onChecksumError(String, int, ChecksumFailureException)} or {@link #onNoMoreChecksums()}.
-     * @return {@code true} to accept the download nevertheless and let artifact resolution succeed, {@code false} to
-     *         reject the transferred file as unusable.
-     */
-    boolean onTransferChecksumFailure( ChecksumFailureException exception );
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/ChecksumPolicyProvider.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/ChecksumPolicyProvider.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/ChecksumPolicyProvider.java
deleted file mode 100644
index f502300..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/ChecksumPolicyProvider.java
+++ /dev/null
@@ -1,58 +0,0 @@
-package org.eclipse.aether.spi.connector.checksum;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import org.eclipse.aether.RepositorySystemSession;
-import org.eclipse.aether.repository.RemoteRepository;
-import org.eclipse.aether.transfer.TransferResource;
-
-/**
- * Assists repository connectors in applying checksum policies to downloaded resources.
- * 
- * @noimplement This interface is not intended to be implemented by clients.
- * @noextend This interface is not intended to be extended by clients.
- */
-public interface ChecksumPolicyProvider
-{
-
-    /**
-     * Retrieves the checksum policy with the specified identifier for use on the given remote resource.
-     * 
-     * @param session The repository system session during which the request is made, must not be {@code null}.
-     * @param repository The repository hosting the resource being transferred, must not be {@code null}.
-     * @param resource The transfer resource on which the policy will be applied, must not be {@code null}.
-     * @param policy The identifier of the policy to apply, must not be {@code null}.
-     * @return The policy to apply or {@code null} if checksums should be ignored.
-     */
-    ChecksumPolicy newChecksumPolicy( RepositorySystemSession session, RemoteRepository repository,
-                                      TransferResource resource, String policy );
-
-    /**
-     * Returns the least strict policy. A checksum policy is said to be less strict than another policy if it would
-     * accept a downloaded resource in all cases where the other policy would reject the resource.
-     * 
-     * @param session The repository system session during which the request is made, must not be {@code null}.
-     * @param policy1 A policy to compare, must not be {@code null}.
-     * @param policy2 A policy to compare, must not be {@code null}.
-     * @return The least strict policy among the two input policies.
-     */
-    String getEffectiveChecksumPolicy( RepositorySystemSession session, String policy1, String policy2 );
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/package-info.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/package-info.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/package-info.java
deleted file mode 100644
index 94d0653..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/checksum/package-info.java
+++ /dev/null
@@ -1,25 +0,0 @@
-// CHECKSTYLE_OFF: RegexpHeader
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-/**
- * The support infrastructure for repository connectors to apply checksum policies when validating the integrity of
- * downloaded files.  
- */
-package org.eclipse.aether.spi.connector.checksum;
-

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayout.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayout.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayout.java
deleted file mode 100644
index 7ae69ac..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayout.java
+++ /dev/null
@@ -1,181 +0,0 @@
-package org.eclipse.aether.spi.connector.layout;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.net.URI;
-import java.util.List;
-import java.util.Locale;
-
-import org.eclipse.aether.artifact.Artifact;
-import org.eclipse.aether.metadata.Metadata;
-
-/**
- * The layout for a remote repository whose artifacts/metadata can be addressed via URIs.
- * <p>
- * <strong>Note:</strong> Implementations must be stateless.
- */
-public interface RepositoryLayout
-{
-
-    /**
-     * A descriptor for a checksum file. This descriptor simply associates the location of a checksum file with the
-     * underlying algorithm used to calculate/verify it. Checksum algorithms are denoted by names as used with
-     * {@link java.security.MessageDigest#getInstance(String)}, e.g. {@code "SHA-1"} or {@code "MD5"}.
-     */
-    static final class Checksum
-    {
-
-        private final String algorithm;
-
-        private final URI location;
-
-        /**
-         * Creates a new checksum file descriptor with the specified algorithm and location. The method
-         * {@link #forLocation(URI, String)} is usually more convenient though.
-         * 
-         * @param algorithm The algorithm used to calculate the checksum, must not be {@code null}.
-         * @param location The relative URI to the checksum file within a repository, must not be {@code null}.
-         */
-        public Checksum( String algorithm, URI location )
-        {
-            verify( algorithm, location );
-            this.algorithm = algorithm;
-            this.location = location;
-        }
-
-        /**
-         * Creates a checksum file descriptor for the specified artifact/metadata location and algorithm. The location
-         * of the checksum file itself is derived from the supplied resource URI by appending the file extension
-         * corresponding to the algorithm. The file extension in turn is derived from the algorithm name by stripping
-         * out any hyphen ('-') characters and lower-casing the name, e.g. "SHA-1" is mapped to ".sha1".
-         * 
-         * @param location The relative URI to the artifact/metadata whose checksum file is being obtained, must not be
-         *            {@code null} and must not have a query or fragment part.
-         * @param algorithm The algorithm used to calculate the checksum, must not be {@code null}.
-         * @return The checksum file descriptor, never {@code null}.
-         */
-        public static Checksum forLocation( URI location, String algorithm )
-        {
-            verify( algorithm, location );
-            if ( location.getRawQuery() != null )
-            {
-                throw new IllegalArgumentException( "resource location must not have query parameters: " + location );
-            }
-            if ( location.getRawFragment() != null )
-            {
-                throw new IllegalArgumentException( "resource location must not have a fragment: " + location );
-            }
-            String extension = '.' + algorithm.replace( "-", "" ).toLowerCase( Locale.ENGLISH );
-            return new Checksum( algorithm, URI.create( location.toString() + extension ) );
-        }
-
-        private static void verify( String algorithm, URI location )
-        {
-            if ( algorithm == null || algorithm.length() <= 0 )
-            {
-                throw new IllegalArgumentException( "checksum algorithm has not been specified" );
-            }
-            if ( location == null )
-            {
-                throw new IllegalArgumentException( "checksum location has not been specified" );
-            }
-            if ( location.isAbsolute() )
-            {
-                throw new IllegalArgumentException( "checksum location must be relative" );
-            }
-        }
-
-        /**
-         * Gets the name of the algorithm that is used to calculate the checksum.
-         * 
-         * @return The algorithm name, never {@code null}.
-         * @see java.security.MessageDigest#getInstance(String)
-         */
-        public String getAlgorithm()
-        {
-            return algorithm;
-        }
-
-        /**
-         * Gets the location of the checksum file with a remote repository. The URI is relative to the root directory of
-         * the repository.
-         * 
-         * @return The relative URI to the checksum file, never {@code null}.
-         */
-        public URI getLocation()
-        {
-            return location;
-        }
-
-        @Override
-        public String toString()
-        {
-            return location + " (" + algorithm + ")";
-        }
-
-    }
-
-    /**
-     * Gets the location within a remote repository where the specified artifact resides. The URI is relative to the
-     * root directory of the repository.
-     * 
-     * @param artifact The artifact to get the URI for, must not be {@code null}.
-     * @param upload {@code false} if the artifact is being downloaded, {@code true} if the artifact is being uploaded.
-     * @return The relative URI to the artifact, never {@code null}.
-     */
-    URI getLocation( Artifact artifact, boolean upload );
-
-    /**
-     * Gets the location within a remote repository where the specified metadata resides. The URI is relative to the
-     * root directory of the repository.
-     * 
-     * @param metadata The metadata to get the URI for, must not be {@code null}.
-     * @param upload {@code false} if the metadata is being downloaded, {@code true} if the metadata is being uploaded.
-     * @return The relative URI to the metadata, never {@code null}.
-     */
-    URI getLocation( Metadata metadata, boolean upload );
-
-    /**
-     * Gets the checksums files that a remote repository keeps to help detect data corruption during transfers of the
-     * specified artifact.
-     * 
-     * @param artifact The artifact to get the checksum files for, must not be {@code null}.
-     * @param upload {@code false} if the checksums are being downloaded/verified, {@code true} if the checksums are
-     *            being uploaded/created.
-     * @param location The relative URI to the artifact within the repository as previously obtained from
-     *            {@link #getLocation(Artifact, boolean)}, must not be {@code null}.
-     * @return The checksum files for the given artifact, possibly empty but never {@code null}.
-     */
-    List<Checksum> getChecksums( Artifact artifact, boolean upload, URI location );
-
-    /**
-     * Gets the checksums files that a remote repository keeps to help detect data corruption during transfers of the
-     * specified metadata.
-     * 
-     * @param metadata The metadata to get the checksum files for, must not be {@code null}.
-     * @param upload {@code false} if the checksums are being downloaded/verified, {@code true} if the checksums are
-     *            being uploaded/created.
-     * @param location The relative URI to the metadata within the repository as previously obtained from
-     *            {@link #getLocation(Metadata, boolean)}, must not be {@code null}.
-     * @return The checksum files for the given metadata, possibly empty but never {@code null}.
-     */
-    List<Checksum> getChecksums( Metadata metadata, boolean upload, URI location );
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayoutFactory.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayoutFactory.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayoutFactory.java
deleted file mode 100644
index 8aa71d7..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayoutFactory.java
+++ /dev/null
@@ -1,57 +0,0 @@
-package org.eclipse.aether.spi.connector.layout;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import org.eclipse.aether.RepositorySystemSession;
-import org.eclipse.aether.repository.RemoteRepository;
-import org.eclipse.aether.transfer.NoRepositoryLayoutException;
-
-/**
- * A factory to obtain repository layouts. A repository layout is responsible to map an artifact or some metadata to a
- * URI relative to the repository root where the resource resides. When the repository system needs to access a given
- * remote repository, it iterates the registered factories in descending order of their priority and calls
- * {@link #newInstance(RepositorySystemSession, RemoteRepository)} on them. The first layout returned by a factory will
- * then be used for transferring artifacts/metadata.
- */
-public interface RepositoryLayoutFactory
-{
-
-    /**
-     * Tries to create a repository layout for the specified remote repository. Typically, a factory will inspect
-     * {@link RemoteRepository#getContentType()} to determine whether it can handle a repository.
-     * 
-     * @param session The repository system session from which to configure the layout, must not be {@code null}.
-     * @param repository The remote repository to create a layout for, must not be {@code null}.
-     * @return The layout for the given repository, never {@code null}.
-     * @throws NoRepositoryLayoutException If the factory cannot create a repository layout for the specified remote
-     *             repository.
-     */
-    RepositoryLayout newInstance( RepositorySystemSession session, RemoteRepository repository )
-        throws NoRepositoryLayoutException;
-
-    /**
-     * The priority of this factory. When multiple factories can handle a given repository, factories with higher
-     * priority are preferred over those with lower priority.
-     * 
-     * @return The priority of this factory.
-     */
-    float getPriority();
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayoutProvider.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayoutProvider.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayoutProvider.java
deleted file mode 100644
index 5cdf53b..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/RepositoryLayoutProvider.java
+++ /dev/null
@@ -1,47 +0,0 @@
-package org.eclipse.aether.spi.connector.layout;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import org.eclipse.aether.RepositorySystemSession;
-import org.eclipse.aether.repository.RemoteRepository;
-import org.eclipse.aether.transfer.NoRepositoryLayoutException;
-
-/**
- * Retrieves a repository layout from the installed layout factories.
- * 
- * @noimplement This interface is not intended to be implemented by clients.
- * @noextend This interface is not intended to be extended by clients.
- */
-public interface RepositoryLayoutProvider
-{
-
-    /**
-     * Tries to retrieve a repository layout for the specified remote repository.
-     * 
-     * @param session The repository system session from which to configure the layout, must not be {@code null}.
-     * @param repository The remote repository to create a layout for, must not be {@code null}.
-     * @return The layout for the given repository, never {@code null}.
-     * @throws NoRepositoryLayoutException If none of the installed layout factories can provide a repository layout for
-     *             the specified remote repository.
-     */
-    RepositoryLayout newRepositoryLayout( RepositorySystemSession session, RemoteRepository repository )
-        throws NoRepositoryLayoutException;
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/package-info.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/package-info.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/package-info.java
deleted file mode 100644
index 2b36f7c..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/layout/package-info.java
+++ /dev/null
@@ -1,26 +0,0 @@
-// CHECKSTYLE_OFF: RegexpHeader
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-/**
- * The contract to locate URI-based resources using custom repository layouts. By implementing a
- * {@link org.eclipse.aether.spi.connector.layout.RepositoryLayoutFactory} and registering it with the repository
- * system, an application enables access to remote repositories that use new content types/layouts.  
- */
-package org.eclipse.aether.spi.connector.layout;
-

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/package-info.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/package-info.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/package-info.java
deleted file mode 100644
index f31a2a8..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/package-info.java
+++ /dev/null
@@ -1,30 +0,0 @@
-// CHECKSTYLE_OFF: RegexpHeader
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-/**
- * The contract to access artifacts/metadata in remote repositories. By implementing a
- * {@link org.eclipse.aether.spi.connector.RepositoryConnectorFactory} and registering it with the repository system,
- * an application can enable access to arbitrary remote repositories. It should be noted that a repository connector is
- * powerful yet burdensome to implement. In many cases, implementing a 
- * {@link org.eclipse.aether.spi.connector.transport.TransporterFactory} or 
- * {@link org.eclipse.aether.spi.connector.layout.RepositoryLayoutFactory} will be sufficient and easier to access a
- * custom remote repository.
- */
-package org.eclipse.aether.spi.connector;
-

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/AbstractTransporter.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/AbstractTransporter.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/AbstractTransporter.java
deleted file mode 100644
index 21e54c9..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/AbstractTransporter.java
+++ /dev/null
@@ -1,233 +0,0 @@
-package org.eclipse.aether.spi.connector.transport;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.io.Closeable;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.nio.ByteBuffer;
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import org.eclipse.aether.transfer.TransferCancelledException;
-
-/**
- * A skeleton implementation for custom transporters.
- */
-public abstract class AbstractTransporter
-    implements Transporter
-{
-
-    private final AtomicBoolean closed;
-
-    /**
-     * Enables subclassing.
-     */
-    protected AbstractTransporter()
-    {
-        closed = new AtomicBoolean();
-    }
-
-    public void peek( PeekTask task )
-        throws Exception
-    {
-        failIfClosed( task );
-        implPeek( task );
-    }
-
-    /**
-     * Implements {@link #peek(PeekTask)}, gets only called if the transporter has not been closed.
-     * 
-     * @param task The existence check to perform, must not be {@code null}.
-     * @throws Exception If the existence of the specified resource could not be confirmed.
-     */
-    protected abstract void implPeek( PeekTask task )
-        throws Exception;
-
-    public void get( GetTask task )
-        throws Exception
-    {
-        failIfClosed( task );
-        implGet( task );
-    }
-
-    /**
-     * Implements {@link #get(GetTask)}, gets only called if the transporter has not been closed.
-     * 
-     * @param task The download to perform, must not be {@code null}.
-     * @throws Exception If the transfer failed.
-     */
-    protected abstract void implGet( GetTask task )
-        throws Exception;
-
-    /**
-     * Performs stream-based I/O for the specified download task and notifies the configured transport listener.
-     * Subclasses might want to invoke this utility method from within their {@link #implGet(GetTask)} to avoid
-     * boilerplate I/O code.
-     * 
-     * @param task The download to perform, must not be {@code null}.
-     * @param is The input stream to download the data from, must not be {@code null}.
-     * @param close {@code true} if the supplied input stream should be automatically closed, {@code false} to leave the
-     *            stream open.
-     * @param length The size in bytes of the downloaded resource or {@code -1} if unknown, not to be confused with the
-     *            length of the supplied input stream which might be smaller if the download is resumed.
-     * @param resume {@code true} if the download resumes from {@link GetTask#getResumeOffset()}, {@code false} if the
-     *            download starts at the first byte of the resource.
-     * @throws IOException If the transfer encountered an I/O error.
-     * @throws TransferCancelledException If the transfer was cancelled.
-     */
-    protected void utilGet( GetTask task, InputStream is, boolean close, long length, boolean resume )
-        throws IOException, TransferCancelledException
-    {
-        try
-        {
-            task.getListener().transportStarted( resume ? task.getResumeOffset() : 0, length );
-            OutputStream os = task.newOutputStream( resume );
-            try
-            {
-                copy( os, is, task.getListener() );
-                os.close();
-            }
-            finally
-            {
-                close( os );
-            }
-        }
-        finally
-        {
-            if ( close )
-            {
-                close( is );
-            }
-        }
-    }
-
-    public void put( PutTask task )
-        throws Exception
-    {
-        failIfClosed( task );
-        implPut( task );
-    }
-
-    /**
-     * Implements {@link #put(PutTask)}, gets only called if the transporter has not been closed.
-     * 
-     * @param task The upload to perform, must not be {@code null}.
-     * @throws Exception If the transfer failed.
-     */
-    protected abstract void implPut( PutTask task )
-        throws Exception;
-
-    /**
-     * Performs stream-based I/O for the specified upload task and notifies the configured transport listener.
-     * Subclasses might want to invoke this utility method from within their {@link #implPut(PutTask)} to avoid
-     * boilerplate I/O code.
-     * 
-     * @param task The upload to perform, must not be {@code null}.
-     * @param os The output stream to upload the data to, must not be {@code null}.
-     * @param close {@code true} if the supplied output stream should be automatically closed, {@code false} to leave
-     *            the stream open.
-     * @throws IOException If the transfer encountered an I/O error.
-     * @throws TransferCancelledException If the transfer was cancelled.
-     */
-    protected void utilPut( PutTask task, OutputStream os, boolean close )
-        throws IOException, TransferCancelledException
-    {
-        try
-        {
-            task.getListener().transportStarted( 0, task.getDataLength() );
-            InputStream is = task.newInputStream();
-            try
-            {
-                copy( os, is, task.getListener() );
-            }
-            finally
-            {
-                close( is );
-            }
-            if ( close )
-            {
-                os.close();
-            }
-            else
-            {
-                os.flush();
-            }
-        }
-        finally
-        {
-            if ( close )
-            {
-                close( os );
-            }
-        }
-    }
-
-    public void close()
-    {
-        if ( closed.compareAndSet( false, true ) )
-        {
-            implClose();
-        }
-    }
-
-    /**
-     * Implements {@link #close()}, gets only called if the transporter has not already been closed.
-     */
-    protected abstract void implClose();
-
-    private void failIfClosed( TransportTask task )
-    {
-        if ( closed.get() )
-        {
-            throw new IllegalStateException( "transporter closed, cannot execute task " + task );
-        }
-    }
-
-    private static void copy( OutputStream os, InputStream is, TransportListener listener )
-        throws IOException, TransferCancelledException
-    {
-        ByteBuffer buffer = ByteBuffer.allocate( 1024 * 32 );
-        byte[] array = buffer.array();
-        for ( int read = is.read( array ); read >= 0; read = is.read( array ) )
-        {
-            os.write( array, 0, read );
-            buffer.rewind();
-            buffer.limit( read );
-            listener.transportProgressed( buffer );
-        }
-    }
-
-    private static void close( Closeable file )
-    {
-        if ( file != null )
-        {
-            try
-            {
-                file.close();
-            }
-            catch ( IOException e )
-            {
-                // irrelevant
-            }
-        }
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/GetTask.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/GetTask.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/GetTask.java
deleted file mode 100644
index e77de77..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/GetTask.java
+++ /dev/null
@@ -1,266 +0,0 @@
-package org.eclipse.aether.spi.connector.transport;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
-import java.net.URI;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * A task to download a resource from the remote repository.
- * 
- * @see Transporter#get(GetTask)
- */
-public final class GetTask
-    extends TransportTask
-{
-
-    private File dataFile;
-
-    private boolean resume;
-
-    private ByteArrayOutputStream dataBytes;
-
-    private Map<String, String> checksums;
-
-    /**
-     * Creates a new task for the specified remote resource.
-     * 
-     * @param location The relative location of the resource in the remote repository, must not be {@code null}.
-     */
-    public GetTask( URI location )
-    {
-        checksums = Collections.emptyMap();
-        setLocation( location );
-    }
-
-    /**
-     * Opens an output stream to store the downloaded data. Depending on {@link #getDataFile()}, this stream writes
-     * either to a file on disk or a growable buffer in memory. It's the responsibility of the caller to close the
-     * provided stream.
-     * 
-     * @return The output stream for the data, never {@code null}. The stream is unbuffered.
-     * @throws IOException If the stream could not be opened.
-     */
-    public OutputStream newOutputStream()
-        throws IOException
-    {
-        return newOutputStream( false );
-    }
-
-    /**
-     * Opens an output stream to store the downloaded data. Depending on {@link #getDataFile()}, this stream writes
-     * either to a file on disk or a growable buffer in memory. It's the responsibility of the caller to close the
-     * provided stream.
-     * 
-     * @param resume {@code true} if the download resumes from the byte offset given by {@link #getResumeOffset()},
-     *            {@code false} if the download starts at the first byte of the resource.
-     * @return The output stream for the data, never {@code null}. The stream is unbuffered.
-     * @throws IOException If the stream could not be opened.
-     */
-    public OutputStream newOutputStream( boolean resume )
-        throws IOException
-    {
-        if ( dataFile != null )
-        {
-            return new FileOutputStream( dataFile, this.resume && resume );
-        }
-        if ( dataBytes == null )
-        {
-            dataBytes = new ByteArrayOutputStream( 1024 );
-        }
-        else if ( !resume )
-        {
-            dataBytes.reset();
-        }
-        return dataBytes;
-    }
-
-    /**
-     * Gets the file (if any) where the downloaded data should be stored. If the specified file already exists, it will
-     * be overwritten.
-     * 
-     * @return The data file or {@code null} if the data will be buffered in memory.
-     */
-    public File getDataFile()
-    {
-        return dataFile;
-    }
-
-    /**
-     * Sets the file where the downloaded data should be stored. If the specified file already exists, it will be
-     * overwritten. Unless the caller can reasonably expect the resource to be small, use of a data file is strongly
-     * recommended to avoid exhausting heap memory during the download.
-     * 
-     * @param dataFile The file to store the downloaded data, may be {@code null} to store the data in memory.
-     * @return This task for chaining, never {@code null}.
-     */
-    public GetTask setDataFile( File dataFile )
-    {
-        return setDataFile( dataFile, false );
-    }
-
-    /**
-     * Sets the file where the downloaded data should be stored. If the specified file already exists, it will be
-     * overwritten or appended to, depending on the {@code resume} argument and the capabilities of the transporter.
-     * Unless the caller can reasonably expect the resource to be small, use of a data file is strongly recommended to
-     * avoid exhausting heap memory during the download.
-     * 
-     * @param dataFile The file to store the downloaded data, may be {@code null} to store the data in memory.
-     * @param resume {@code true} to request resuming a previous download attempt, starting from the current length of
-     *            the data file, {@code false} to download the resource from its beginning.
-     * @return This task for chaining, never {@code null}.
-     */
-    public GetTask setDataFile( File dataFile, boolean resume )
-    {
-        this.dataFile = dataFile;
-        this.resume = resume;
-        return this;
-    }
-
-    /**
-     * Gets the byte offset within the resource from which the download should resume if supported.
-     * 
-     * @return The zero-based index of the first byte to download or {@code 0} for a full download from the start of the
-     *         resource, never negative.
-     */
-    public long getResumeOffset()
-    {
-        if ( resume )
-        {
-            if ( dataFile != null )
-            {
-                return dataFile.length();
-            }
-            if ( dataBytes != null )
-            {
-                return dataBytes.size();
-            }
-        }
-        return 0;
-    }
-
-    /**
-     * Gets the data that was downloaded into memory. <strong>Note:</strong> This method may only be called if
-     * {@link #getDataFile()} is {@code null} as otherwise the downloaded data has been written directly to disk.
-     * 
-     * @return The possibly empty data bytes, never {@code null}.
-     */
-    public byte[] getDataBytes()
-    {
-        if ( dataFile != null || dataBytes == null )
-        {
-            return EMPTY;
-        }
-        return dataBytes.toByteArray();
-    }
-
-    /**
-     * Gets the data that was downloaded into memory as a string. The downloaded data is assumed to be encoded using
-     * UTF-8. <strong>Note:</strong> This method may only be called if {@link #getDataFile()} is {@code null} as
-     * otherwise the downloaded data has been written directly to disk.
-     * 
-     * @return The possibly empty data string, never {@code null}.
-     */
-    public String getDataString()
-    {
-        if ( dataFile != null || dataBytes == null )
-        {
-            return "";
-        }
-        try
-        {
-            return dataBytes.toString( "UTF-8" );
-        }
-        catch ( UnsupportedEncodingException e )
-        {
-            throw new IllegalStateException( e );
-        }
-    }
-
-    /**
-     * Sets the listener that is to be notified during the transfer.
-     * 
-     * @param listener The listener to notify of progress, may be {@code null}.
-     * @return This task for chaining, never {@code null}.
-     */
-    public GetTask setListener( TransportListener listener )
-    {
-        super.setListener( listener );
-        return this;
-    }
-
-    /**
-     * Gets the checksums which the remote repository advertises for the resource. The map is keyed by algorithm name
-     * (cf. {@link java.security.MessageDigest#getInstance(String)}) and the values are hexadecimal representations of
-     * the corresponding value. <em>Note:</em> This is optional data that a transporter may return if the underlying
-     * transport protocol provides metadata (e.g. HTTP headers) along with the actual resource data.
-     * 
-     * @return The (read-only) checksums advertised for the downloaded resource, possibly empty but never {@code null}.
-     */
-    public Map<String, String> getChecksums()
-    {
-        return checksums;
-    }
-
-    /**
-     * Sets a checksum which the remote repository advertises for the resource. <em>Note:</em> Transporters should only
-     * use this method to record checksum information which is readily available while performing the actual download,
-     * they should not perform additional transfers to gather this data.
-     * 
-     * @param algorithm The name of the checksum algorithm (e.g. {@code "SHA-1"}, cf.
-     *            {@link java.security.MessageDigest#getInstance(String)} ), may be {@code null}.
-     * @param value The hexadecimal representation of the checksum, may be {@code null}.
-     * @return This task for chaining, never {@code null}.
-     */
-    public GetTask setChecksum( String algorithm, String value )
-    {
-        if ( algorithm != null )
-        {
-            if ( checksums.isEmpty() )
-            {
-                checksums = new HashMap<String, String>();
-            }
-            if ( value != null && value.length() > 0 )
-            {
-                checksums.put( algorithm, value );
-            }
-            else
-            {
-                checksums.remove( algorithm );
-            }
-        }
-        return this;
-    }
-
-    @Override
-    public String toString()
-    {
-        return "<< " + getLocation();
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/PeekTask.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/PeekTask.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/PeekTask.java
deleted file mode 100644
index d1fb905..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/PeekTask.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package org.eclipse.aether.spi.connector.transport;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.net.URI;
-
-/**
- * A task to check the existence of a resource in the remote repository. <em>Note:</em> The listener returned from
- * {@link #getListener()} is always a noop given that none of its event methods are relevant in context of this task.
- * 
- * @see Transporter#peek(PeekTask)
- */
-public final class PeekTask
-    extends TransportTask
-{
-
-    /**
-     * Creates a new task for the specified remote resource.
-     * 
-     * @param location The relative location of the resource in the remote repository, must not be {@code null}.
-     */
-    public PeekTask( URI location )
-    {
-        setLocation( location );
-    }
-
-    @Override
-    public String toString()
-    {
-        return "?? " + getLocation();
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/PutTask.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/PutTask.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/PutTask.java
deleted file mode 100644
index 1208a64..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/PutTask.java
+++ /dev/null
@@ -1,157 +0,0 @@
-package org.eclipse.aether.spi.connector.transport;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.UnsupportedEncodingException;
-import java.net.URI;
-
-/**
- * A task to upload a resource to the remote repository.
- * 
- * @see Transporter#put(PutTask)
- */
-public final class PutTask
-    extends TransportTask
-{
-
-    private File dataFile;
-
-    private byte[] dataBytes = EMPTY;
-
-    /**
-     * Creates a new task for the specified remote resource.
-     * 
-     * @param location The relative location of the resource in the remote repository, must not be {@code null}.
-     */
-    public PutTask( URI location )
-    {
-        setLocation( location );
-    }
-
-    /**
-     * Opens an input stream for the data to be uploaded. The length of the stream can be queried via
-     * {@link #getDataLength()}. It's the responsibility of the caller to close the provided stream.
-     * 
-     * @return The input stream for the data, never {@code null}. The stream is unbuffered.
-     * @throws IOException If the stream could not be opened.
-     */
-    public InputStream newInputStream()
-        throws IOException
-    {
-        if ( dataFile != null )
-        {
-            return new FileInputStream( dataFile );
-        }
-        return new ByteArrayInputStream( dataBytes );
-    }
-
-    /**
-     * Gets the total number of bytes to be uploaded.
-     * 
-     * @return The total number of bytes to be uploaded.
-     */
-    public long getDataLength()
-    {
-        if ( dataFile != null )
-        {
-            return dataFile.length();
-        }
-        return dataBytes.length;
-    }
-
-    /**
-     * Gets the file (if any) with the data to be uploaded.
-     * 
-     * @return The data file or {@code null} if the data resides in memory.
-     */
-    public File getDataFile()
-    {
-        return dataFile;
-    }
-
-    /**
-     * Sets the file with the data to be uploaded. To upload some data residing already in memory, use
-     * {@link #setDataString(String)} or {@link #setDataBytes(byte[])}.
-     * 
-     * @param dataFile The data file, may be {@code null} if the resource data is provided directly from memory.
-     * @return This task for chaining, never {@code null}.
-     */
-    public PutTask setDataFile( File dataFile )
-    {
-        this.dataFile = dataFile;
-        dataBytes = EMPTY;
-        return this;
-    }
-
-    /**
-     * Sets the binary data to be uploaded.
-     * 
-     * @param bytes The binary data, may be {@code null}.
-     * @return This task for chaining, never {@code null}.
-     */
-    public PutTask setDataBytes( byte[] bytes )
-    {
-        this.dataBytes = ( bytes != null ) ? bytes : EMPTY;
-        dataFile = null;
-        return this;
-    }
-
-    /**
-     * Sets the textual data to be uploaded. The text is encoded using UTF-8 before transmission.
-     * 
-     * @param str The textual data, may be {@code null}.
-     * @return This task for chaining, never {@code null}.
-     */
-    public PutTask setDataString( String str )
-    {
-        try
-        {
-            return setDataBytes( ( str != null ) ? str.getBytes( "UTF-8" ) : null );
-        }
-        catch ( UnsupportedEncodingException e )
-        {
-            throw new IllegalStateException( e );
-        }
-    }
-
-    /**
-     * Sets the listener that is to be notified during the transfer.
-     * 
-     * @param listener The listener to notify of progress, may be {@code null}.
-     * @return This task for chaining, never {@code null}.
-     */
-    public PutTask setListener( TransportListener listener )
-    {
-        super.setListener( listener );
-        return this;
-    }
-
-    @Override
-    public String toString()
-    {
-        return ">> " + getLocation();
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/TransportListener.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/TransportListener.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/TransportListener.java
deleted file mode 100644
index 473036b..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/TransportListener.java
+++ /dev/null
@@ -1,71 +0,0 @@
-package org.eclipse.aether.spi.connector.transport;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.nio.ByteBuffer;
-
-import org.eclipse.aether.transfer.TransferCancelledException;
-
-/**
- * A skeleton class for listeners used to monitor transport operations. Reusing common regular expression syntax, the
- * sequence of events is generally as follows:
- * 
- * <pre>
- * ( STARTED PROGRESSED* )*
- * </pre>
- * 
- * The methods in this class do nothing.
- */
-public abstract class TransportListener
-{
-
-    /**
-     * Enables subclassing.
-     */
-    protected TransportListener()
-    {
-    }
-
-    /**
-     * Notifies the listener about the start of the data transfer. This event may arise more than once if the transfer
-     * needs to be restarted (e.g. after an authentication failure).
-     * 
-     * @param dataOffset The byte offset in the resource at which the transfer starts, must not be negative.
-     * @param dataLength The total number of bytes in the resource or {@code -1} if the length is unknown.
-     * @throws TransferCancelledException If the transfer should be aborted.
-     */
-    public void transportStarted( long dataOffset, long dataLength )
-        throws TransferCancelledException
-    {
-    }
-
-    /**
-     * Notifies the listener about some progress in the data transfer. This event may even be fired if actually zero
-     * bytes have been transferred since the last event, for instance to enable cancellation.
-     * 
-     * @param data The (read-only) buffer holding the bytes that have just been tranferred, must not be {@code null}.
-     * @throws TransferCancelledException If the transfer should be aborted.
-     */
-    public void transportProgressed( ByteBuffer data )
-        throws TransferCancelledException
-    {
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/TransportTask.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/TransportTask.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/TransportTask.java
deleted file mode 100644
index f74b301..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/TransportTask.java
+++ /dev/null
@@ -1,89 +0,0 @@
-package org.eclipse.aether.spi.connector.transport;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.net.URI;
-
-/**
- * A transport task.
- * 
- * @noextend This class is not intended to be extended by clients.
- */
-public abstract class TransportTask
-{
-
-    static final TransportListener NOOP = new TransportListener()
-    {
-    };
-
-    static final byte[] EMPTY = {};
-
-    private URI location;
-
-    private TransportListener listener = NOOP;
-
-    TransportTask()
-    {
-        // hide
-    }
-
-    /**
-     * Gets the relative location of the affected resource in the remote repository.
-     * 
-     * @return The relative location of the resource, never {@code null}.
-     */
-    public URI getLocation()
-    {
-        return location;
-    }
-
-    TransportTask setLocation( URI location )
-    {
-        if ( location == null )
-        {
-            throw new IllegalArgumentException( "resource location has not been specified" );
-        }
-        this.location = location;
-        return this;
-    }
-
-    /**
-     * Gets the listener that is to be notified during the transfer.
-     * 
-     * @return The listener to notify of progress, never {@code null}.
-     */
-    public TransportListener getListener()
-    {
-        return listener;
-    }
-
-    /**
-     * Sets the listener that is to be notified during the transfer.
-     * 
-     * @param listener The listener to notify of progress, may be {@code null}.
-     * @return This task for chaining, never {@code null}.
-     */
-    TransportTask setListener( TransportListener listener )
-    {
-        this.listener = ( listener != null ) ? listener : NOOP;
-        return this;
-    }
-
-}

http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/Transporter.java
----------------------------------------------------------------------
diff --git a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/Transporter.java b/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/Transporter.java
deleted file mode 100644
index b8d221c..0000000
--- a/aether-spi/src/main/java/org/eclipse/aether/spi/connector/transport/Transporter.java
+++ /dev/null
@@ -1,104 +0,0 @@
-package org.eclipse.aether.spi.connector.transport;
-
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- * 
- *  http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import java.io.Closeable;
-
-/**
- * A transporter for a remote repository. A transporter is responsible for transferring resources between the remote
- * repository and the local system. During its operation, the transporter must provide progress feedback via the
- * {@link TransportListener} configured on the underlying task.
- * <p>
- * If applicable, a transporter should obey connect/request timeouts and other relevant settings from the
- * {@link org.eclipse.aether.RepositorySystemSession#getConfigProperties() configuration properties} of the repository
- * system session.
- * <p>
- * <strong>Note:</strong> Implementations must be thread-safe such that a given transporter instance can safely be used
- * for concurrent requests.
- */
-public interface Transporter
-    extends Closeable
-{
-
-    /**
-     * Classification for exceptions that denote connectivity or authentication issues and any other kind of error that
-     * is not mapped to another classification code.
-     * 
-     * @see #classify(Throwable)
-     */
-    int ERROR_OTHER = 0;
-
-    /**
-     * Classification for exceptions that denote a requested resource does not exist in the remote repository. Note that
-     * cases where a remote repository is completely inaccessible should be classified as {@link #ERROR_OTHER}.
-     * 
-     * @see #classify(Throwable)
-     */
-    int ERROR_NOT_FOUND = 1;
-
-    /**
-     * Classifies the type of exception that has been thrown from a previous request to the transporter. The exception
-     * types employed by a transporter are generally unknown to its caller. Where a caller needs to distinguish between
-     * certain error cases, it employs this method to detect which error case corresponds to the exception.
-     * 
-     * @param error The exception to classify, must not be {@code null}.
-     * @return The classification of the error, either {@link #ERROR_NOT_FOUND} or {@link #ERROR_OTHER}.
-     */
-    int classify( Throwable error );
-
-    /**
-     * Checks the existence of a resource in the repository. If the remote repository can be contacted successfully but
-     * indicates the resource specified in the request does not exist, an exception is thrown such that invoking
-     * {@link #classify(Throwable)} with that exception yields {@link #ERROR_NOT_FOUND}.
-     * 
-     * @param task The existence check to perform, must not be {@code null}.
-     * @throws Exception If the existence of the specified resource could not be confirmed.
-     */
-    void peek( PeekTask task )
-        throws Exception;
-
-    /**
-     * Downloads a resource from the repository. If the resource is downloaded to a file as given by
-     * {@link GetTask#getDataFile()} and the operation fails midway, the transporter should not delete the partial file
-     * but leave its management to the caller.
-     * 
-     * @param task The download to perform, must not be {@code null}.
-     * @throws Exception If the transfer failed.
-     */
-    void get( GetTask task )
-        throws Exception;
-
-    /**
-     * Uploads a resource to the repository.
-     * 
-     * @param task The upload to perform, must not be {@code null}.
-     * @throws Exception If the transfer failed.
-     */
-    void put( PutTask task )
-        throws Exception;
-
-    /**
-     * Closes this transporter and frees any network resources associated with it. Once closed, a transporter must not
-     * be used for further transfers, any attempt to do so would yield a {@link IllegalStateException} or similar.
-     * Closing an already closed transporter is harmless and has no effect.
-     */
-    void close();
-
-}


Mime
View raw message