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From hbout...@apache.org
Subject [01/54] [abbrv] [partial] maven-resolver git commit: [MNG-6007] renamed Aether to Maven Artifact Resolver
Date Sun, 22 Jan 2017 14:01:56 GMT
Repository: maven-resolver
Updated Branches:
  refs/heads/master b74f7a1e8 -> 61af1948b


http://git-wip-us.apache.org/repos/asf/maven-resolver/blob/3a1b8ae0/maven-resolver-api/src/main/java/org/eclipse/aether/resolution/VersionResolutionException.java
----------------------------------------------------------------------
diff --git a/maven-resolver-api/src/main/java/org/eclipse/aether/resolution/VersionResolutionException.java
b/maven-resolver-api/src/main/java/org/eclipse/aether/resolution/VersionResolutionException.java
new file mode 100644
index 0000000..1aca861
--- /dev/null
+++ b/maven-resolver-api/src/main/java/org/eclipse/aether/resolution/VersionResolutionException.java
@@ -0,0 +1,105 @@
+package org.eclipse.aether.resolution;
+
+/*
+ * 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.RepositoryException;
+
+/**
+ * Thrown in case of an unresolvable metaversion.
+ */
+public class VersionResolutionException
+    extends RepositoryException
+{
+
+    private final transient VersionResult result;
+
+    /**
+     * Creates a new exception with the specified result.
+     * 
+     * @param result The version result at the point the exception occurred, may be {@code
null}.
+     */
+    public VersionResolutionException( VersionResult result )
+    {
+        super( getMessage( result ), getCause( result ) );
+        this.result = result;
+    }
+
+    private static String getMessage( VersionResult result )
+    {
+        StringBuilder buffer = new StringBuilder( 256 );
+        buffer.append( "Failed to resolve version" );
+        if ( result != null )
+        {
+            buffer.append( " for " ).append( result.getRequest().getArtifact() );
+            if ( !result.getExceptions().isEmpty() )
+            {
+                buffer.append( ": " ).append( result.getExceptions().iterator().next().getMessage()
);
+            }
+        }
+        return buffer.toString();
+    }
+
+    private static Throwable getCause( VersionResult result )
+    {
+        Throwable cause = null;
+        if ( result != null && !result.getExceptions().isEmpty() )
+        {
+            cause = result.getExceptions().get( 0 );
+        }
+        return cause;
+    }
+
+    /**
+     * Creates a new exception with the specified result and detail message.
+     * 
+     * @param result The version result at the point the exception occurred, may be {@code
null}.
+     * @param message The detail message, may be {@code null}.
+     */
+    public VersionResolutionException( VersionResult result, String message )
+    {
+        super( message, getCause( result ) );
+        this.result = result;
+    }
+
+    /**
+     * Creates a new exception with the specified result, detail message and cause.
+     * 
+     * @param result The version result at the point the exception occurred, may be {@code
null}.
+     * @param message The detail message, may be {@code null}.
+     * @param cause The exception that caused this one, may be {@code null}.
+     */
+    public VersionResolutionException( VersionResult result, String message, Throwable cause
)
+    {
+        super( message, cause );
+        this.result = result;
+    }
+
+    /**
+     * Gets the version result at the point the exception occurred. Despite being incomplete,
callers might want to use
+     * this result to fail gracefully and continue their operation with whatever interim
data has been gathered.
+     * 
+     * @return The version result or {@code null} if unknown.
+     */
+    public VersionResult getResult()
+    {
+        return result;
+    }
+
+}


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