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From ol...@apache.org
Subject [36/50] [abbrv] httpcomponents-core git commit: Added some basic convenience request/response producers/consumers
Date Tue, 09 May 2017 19:58:28 GMT
Added some basic convenience request/response producers/consumers

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1792795 13f79535-47bb-0310-9956-ffa450edef68


Project: http://git-wip-us.apache.org/repos/asf/httpcomponents-core/repo
Commit: http://git-wip-us.apache.org/repos/asf/httpcomponents-core/commit/fe88c7b3
Tree: http://git-wip-us.apache.org/repos/asf/httpcomponents-core/tree/fe88c7b3
Diff: http://git-wip-us.apache.org/repos/asf/httpcomponents-core/diff/fe88c7b3

Branch: refs/heads/trunk
Commit: fe88c7b31bbde15853257402dffbeff7c117a2ff
Parents: f89ce93
Author: Oleg Kalnichevski <olegk@apache.org>
Authored: Wed Apr 26 19:20:57 2017 +0000
Committer: Oleg Kalnichevski <olegk@apache.org>
Committed: Wed Apr 26 19:20:57 2017 +0000

----------------------------------------------------------------------
 .../support/AbstractAsyncRequesterConsumer.java | 126 +++++++++++++++++++
 .../support/AbstractAsyncResponseConsumer.java  | 126 +++++++++++++++++++
 .../nio/support/BasicAsyncRequestProducer.java  |  83 ++++++++++++
 .../nio/support/BasicAsyncResponseProducer.java |  83 ++++++++++++
 4 files changed, 418 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/httpcomponents-core/blob/fe88c7b3/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/AbstractAsyncRequesterConsumer.java
----------------------------------------------------------------------
diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/AbstractAsyncRequesterConsumer.java
b/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/AbstractAsyncRequesterConsumer.java
new file mode 100644
index 0000000..b164e6b
--- /dev/null
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/AbstractAsyncRequesterConsumer.java
@@ -0,0 +1,126 @@
+/*
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package org.apache.hc.core5.http.nio.support;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.charset.UnsupportedCharsetException;
+import java.util.List;
+
+import org.apache.hc.core5.concurrent.FutureCallback;
+import org.apache.hc.core5.http.ContentType;
+import org.apache.hc.core5.http.EntityDetails;
+import org.apache.hc.core5.http.Header;
+import org.apache.hc.core5.http.HttpException;
+import org.apache.hc.core5.http.HttpRequest;
+import org.apache.hc.core5.http.nio.AsyncEntityConsumer;
+import org.apache.hc.core5.http.nio.AsyncRequestConsumer;
+import org.apache.hc.core5.http.nio.CapacityChannel;
+import org.apache.hc.core5.util.Args;
+
+public abstract class AbstractAsyncRequesterConsumer<T, E> implements AsyncRequestConsumer<T>
{
+
+    private final AsyncEntityConsumer<E> entityConsumer;
+
+    private volatile T result;
+
+    public AbstractAsyncRequesterConsumer(final AsyncEntityConsumer<E> entityConsumer)
{
+        Args.notNull(entityConsumer, "Entity consumer");
+        this.entityConsumer = entityConsumer;
+    }
+
+    protected abstract T buildResult(HttpRequest request, E entity, ContentType contentType);
+
+    @Override
+    public final void consumeRequest(
+            final HttpRequest request,
+            final EntityDetails entityDetails,
+            final FutureCallback<T> resultCallback) throws HttpException, IOException
{
+        if (entityDetails != null) {
+            entityConsumer.streamStart(entityDetails, new FutureCallback<E>() {
+
+                @Override
+                public void completed(final E entity) {
+                    final ContentType contentType;
+                    try {
+                        contentType = ContentType.parse(entityDetails.getContentType());
+                        result = buildResult(request, entity, contentType);
+                        resultCallback.completed(result);
+                    } catch (final UnsupportedCharsetException ex) {
+                        resultCallback.failed(ex);
+                    }
+                }
+
+                @Override
+                public void failed(final Exception ex) {
+                    resultCallback.failed(ex);
+                }
+
+                @Override
+                public void cancelled() {
+                    resultCallback.cancelled();
+                }
+
+            });
+        } else {
+            resultCallback.completed(buildResult(request, null, null));
+            entityConsumer.releaseResources();
+        }
+
+    }
+
+    @Override
+    public final void updateCapacity(final CapacityChannel capacityChannel) throws IOException
{
+        entityConsumer.updateCapacity(capacityChannel);
+    }
+
+    @Override
+    public final int consume(final ByteBuffer src) throws IOException {
+        return entityConsumer.consume(src);
+    }
+
+    @Override
+    public final void streamEnd(final List<? extends Header> trailers) throws HttpException,
IOException {
+        entityConsumer.streamEnd(trailers);
+    }
+
+    @Override
+    public T getResult() {
+        return result;
+    }
+
+    @Override
+    public final void failed(final Exception cause) {
+        releaseResources();
+    }
+
+    @Override
+    public final void releaseResources() {
+        entityConsumer.releaseResources();
+    }
+
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/httpcomponents-core/blob/fe88c7b3/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/AbstractAsyncResponseConsumer.java
----------------------------------------------------------------------
diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/AbstractAsyncResponseConsumer.java
b/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/AbstractAsyncResponseConsumer.java
new file mode 100644
index 0000000..02c5662
--- /dev/null
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/AbstractAsyncResponseConsumer.java
@@ -0,0 +1,126 @@
+/*
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package org.apache.hc.core5.http.nio.support;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.charset.UnsupportedCharsetException;
+import java.util.List;
+
+import org.apache.hc.core5.concurrent.FutureCallback;
+import org.apache.hc.core5.http.ContentType;
+import org.apache.hc.core5.http.EntityDetails;
+import org.apache.hc.core5.http.Header;
+import org.apache.hc.core5.http.HttpException;
+import org.apache.hc.core5.http.HttpResponse;
+import org.apache.hc.core5.http.nio.AsyncEntityConsumer;
+import org.apache.hc.core5.http.nio.AsyncResponseConsumer;
+import org.apache.hc.core5.http.nio.CapacityChannel;
+import org.apache.hc.core5.util.Args;
+
+public abstract class AbstractAsyncResponseConsumer<T, E> implements AsyncResponseConsumer<T>
{
+
+    private final AsyncEntityConsumer<E> entityConsumer;
+
+    private volatile T result;
+
+    public AbstractAsyncResponseConsumer(final AsyncEntityConsumer<E> entityConsumer)
{
+        Args.notNull(entityConsumer, "Entity consumer");
+        this.entityConsumer = entityConsumer;
+    }
+
+    protected abstract T buildResult(HttpResponse response, E entity, ContentType contentType);
+
+    @Override
+    public final void consumeResponse(
+            final HttpResponse response,
+            final EntityDetails entityDetails,
+            final FutureCallback<T> resultCallback) throws HttpException, IOException
{
+        if (entityDetails != null) {
+            entityConsumer.streamStart(entityDetails, new FutureCallback<E>() {
+
+                @Override
+                public void completed(final E entity) {
+                    final ContentType contentType;
+                    try {
+                        contentType = ContentType.parse(entityDetails.getContentType());
+                        result = buildResult(response, entity, contentType);
+                        resultCallback.completed(result);
+                    } catch (final UnsupportedCharsetException ex) {
+                        resultCallback.failed(ex);
+                    }
+                }
+
+                @Override
+                public void failed(final Exception ex) {
+                    resultCallback.failed(ex);
+                }
+
+                @Override
+                public void cancelled() {
+                    resultCallback.cancelled();
+                }
+
+            });
+        } else {
+            resultCallback.completed(buildResult(response, null, null));
+            entityConsumer.releaseResources();
+        }
+
+    }
+
+    @Override
+    public final void updateCapacity(final CapacityChannel capacityChannel) throws IOException
{
+        entityConsumer.updateCapacity(capacityChannel);
+    }
+
+    @Override
+    public final int consume(final ByteBuffer src) throws IOException {
+        return entityConsumer.consume(src);
+    }
+
+    @Override
+    public final void streamEnd(final List<? extends Header> trailers) throws HttpException,
IOException {
+        entityConsumer.streamEnd(trailers);
+    }
+
+    @Override
+    public T getResult() {
+        return result;
+    }
+
+    @Override
+    public final void failed(final Exception cause) {
+        releaseResources();
+    }
+
+    @Override
+    public final void releaseResources() {
+        entityConsumer.releaseResources();
+    }
+
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/httpcomponents-core/blob/fe88c7b3/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/BasicAsyncRequestProducer.java
----------------------------------------------------------------------
diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/BasicAsyncRequestProducer.java
b/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/BasicAsyncRequestProducer.java
new file mode 100644
index 0000000..4bfce2f
--- /dev/null
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/BasicAsyncRequestProducer.java
@@ -0,0 +1,83 @@
+/*
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package org.apache.hc.core5.http.nio.support;
+
+import java.io.IOException;
+
+import org.apache.hc.core5.http.EntityDetails;
+import org.apache.hc.core5.http.HttpRequest;
+import org.apache.hc.core5.http.nio.AsyncEntityProducer;
+import org.apache.hc.core5.http.nio.AsyncRequestProducer;
+import org.apache.hc.core5.http.nio.DataStreamChannel;
+import org.apache.hc.core5.util.Args;
+
+public class BasicAsyncRequestProducer implements AsyncRequestProducer {
+
+    private final HttpRequest request;
+    private final AsyncEntityProducer entityProducer;
+
+    public BasicAsyncRequestProducer(final HttpRequest request, final AsyncEntityProducer
entityProducer) {
+        Args.notNull(request, "Request");
+        this.request = request;
+        this.entityProducer = entityProducer;
+    }
+
+    @Override
+    public final HttpRequest produceRequest() {
+        return request;
+    }
+
+    @Override
+    public final EntityDetails getEntityDetails() {
+        return entityProducer;
+    }
+
+    @Override
+    public final int available() {
+        return entityProducer != null ? entityProducer.available() : 0;
+    }
+
+    @Override
+    public final void produce(final DataStreamChannel channel) throws IOException {
+        if (entityProducer != null) {
+            entityProducer.produce(channel);
+        }
+    }
+
+    @Override
+    public final void failed(final Exception cause) {
+        releaseResources();
+    }
+
+    @Override
+    public final void releaseResources() {
+        if (entityProducer != null) {
+            entityProducer.releaseResources();
+        }
+    }
+
+}

http://git-wip-us.apache.org/repos/asf/httpcomponents-core/blob/fe88c7b3/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/BasicAsyncResponseProducer.java
----------------------------------------------------------------------
diff --git a/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/BasicAsyncResponseProducer.java
b/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/BasicAsyncResponseProducer.java
new file mode 100644
index 0000000..9d4ca52
--- /dev/null
+++ b/httpcore5/src/main/java/org/apache/hc/core5/http/nio/support/BasicAsyncResponseProducer.java
@@ -0,0 +1,83 @@
+/*
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package org.apache.hc.core5.http.nio.support;
+
+import java.io.IOException;
+
+import org.apache.hc.core5.http.EntityDetails;
+import org.apache.hc.core5.http.HttpResponse;
+import org.apache.hc.core5.http.nio.AsyncEntityProducer;
+import org.apache.hc.core5.http.nio.AsyncResponseProducer;
+import org.apache.hc.core5.http.nio.DataStreamChannel;
+import org.apache.hc.core5.util.Args;
+
+public class BasicAsyncResponseProducer implements AsyncResponseProducer {
+
+    private final HttpResponse response;
+    private final AsyncEntityProducer entityProducer;
+
+    public BasicAsyncResponseProducer(final HttpResponse response, final AsyncEntityProducer
entityProducer) {
+        Args.notNull(response, "Response");
+        this.response = response;
+        this.entityProducer = entityProducer;
+    }
+
+    @Override
+    public HttpResponse produceResponse() {
+        return response;
+    }
+
+    @Override
+    public final EntityDetails getEntityDetails() {
+        return entityProducer;
+    }
+
+    @Override
+    public final int available() {
+        return entityProducer != null ? entityProducer.available() : 0;
+    }
+
+    @Override
+    public final void produce(final DataStreamChannel channel) throws IOException {
+        if (entityProducer != null) {
+            entityProducer.produce(channel);
+        }
+    }
+
+    @Override
+    public final void failed(final Exception cause) {
+        releaseResources();
+    }
+
+    @Override
+    public final void releaseResources() {
+        if (entityProducer != null) {
+            entityProducer.releaseResources();
+        }
+    }
+
+}


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