Merge tag 'v2.3.20' into testing

[gpl/argeo-jcr.git] / org.argeo.slc.repo / src / org / eclipse / aether / graph / Exclusion.java

diff --git a/org.argeo.slc.repo/src/org/eclipse/aether/graph/Exclusion.java b/org.argeo.slc.repo/src/org/eclipse/aether/graph/Exclusion.java
new file mode 100644 (file)
index 0000000..4d6b7ba
--- /dev/null
+++ b/org.argeo.slc.repo/src/org/eclipse/aether/graph/Exclusion.java
@@ -0,0 +1,122 @@
+/*******************************************************************************
+ * Copyright (c) 2010, 2011 Sonatype, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.aether.graph;
+
+/**
+ * An exclusion of one or more transitive dependencies. <em>Note:</em> Instances of this class are immutable and the
+ * exposed mutators return new objects rather than changing the current instance.
+ * 
+ * @see Dependency#getExclusions()
+ */
+public final class Exclusion
+{
+
+    private final String groupId;
+
+    private final String artifactId;
+
+    private final String classifier;
+
+    private final String extension;
+
+    /**
+     * Creates an exclusion for artifacts with the specified coordinates.
+     * 
+     * @param groupId The group identifier, may be {@code null}.
+     * @param artifactId The artifact identifier, may be {@code null}.
+     * @param classifier The classifier, may be {@code null}.
+     * @param extension The file extension, may be {@code null}.
+     */
+    public Exclusion( String groupId, String artifactId, String classifier, String extension )
+    {
+        this.groupId = ( groupId != null ) ? groupId : "";
+        this.artifactId = ( artifactId != null ) ? artifactId : "";
+        this.classifier = ( classifier != null ) ? classifier : "";
+        this.extension = ( extension != null ) ? extension : "";
+    }
+
+    /**
+     * Gets the group identifier for artifacts to exclude.
+     * 
+     * @return The group identifier, never {@code null}.
+     */
+    public String getGroupId()
+    {
+        return groupId;
+    }
+
+    /**
+     * Gets the artifact identifier for artifacts to exclude.
+     * 
+     * @return The artifact identifier, never {@code null}.
+     */
+    public String getArtifactId()
+    {
+        return artifactId;
+    }
+
+    /**
+     * Gets the classifier for artifacts to exclude.
+     * 
+     * @return The classifier, never {@code null}.
+     */
+    public String getClassifier()
+    {
+        return classifier;
+    }
+
+    /**
+     * Gets the file extension for artifacts to exclude.
+     * 
+     * @return The file extension of artifacts to exclude, never {@code null}.
+     */
+    public String getExtension()
+    {
+        return extension;
+    }
+
+    @Override
+    public String toString()
+    {
+        return getGroupId() + ':' + getArtifactId() + ':' + getExtension()
+            + ( getClassifier().length() > 0 ? ':' + getClassifier() : "" );
+    }
+
+    @Override
+    public boolean equals( Object obj )
+    {
+        if ( obj == this )
+        {
+            return true;
+        }
+        else if ( obj == null || !getClass().equals( obj.getClass() ) )
+        {
+            return false;
+        }
+
+        Exclusion that = (Exclusion) obj;
+
+        return artifactId.equals( that.artifactId ) && groupId.equals( that.groupId )
+            && extension.equals( that.extension ) && classifier.equals( that.classifier );
+    }
+
+    @Override
+    public int hashCode()
+    {
+        int hash = 17;
+        hash = hash * 31 + artifactId.hashCode();
+        hash = hash * 31 + groupId.hashCode();
+        hash = hash * 31 + classifier.hashCode();
+        hash = hash * 31 + extension.hashCode();
+        return hash;
+    }
+
+}