copied ancestor filter
git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1355837 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/shared/dependency/graph/DependencyNode.java b/src/main/java/org/apache/maven/shared/dependency/graph/DependencyNode.java
index 76b2177..9b6b4a3 100644
--- a/src/main/java/org/apache/maven/shared/dependency/graph/DependencyNode.java
+++ b/src/main/java/org/apache/maven/shared/dependency/graph/DependencyNode.java
@@ -45,4 +45,11 @@
* @since 1.1
*/
public boolean accept( DependencyNodeVisitor visitor );
+
+ /**
+ * Gets the parent dependency node of this dependency node.
+ *
+ * @return the parent dependency node
+ */
+ public DependencyNode getParent();
}
diff --git a/src/main/java/org/apache/maven/shared/dependency/graph/filter/AncestorOrSelfDependencyNodeFilter.java b/src/main/java/org/apache/maven/shared/dependency/graph/filter/AncestorOrSelfDependencyNodeFilter.java
new file mode 100644
index 0000000..fb2f631
--- /dev/null
+++ b/src/main/java/org/apache/maven/shared/dependency/graph/filter/AncestorOrSelfDependencyNodeFilter.java
@@ -0,0 +1,106 @@
+package org.apache.maven.shared.dependency.graph.filter;
+
+/*
+ * 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.util.Collections;
+import java.util.List;
+
+import org.apache.maven.shared.dependency.graph.DependencyNode;
+
+/**
+ * A dependency node filter than only accepts nodes that are ancestors of, or equal to, a given list of nodes.
+ *
+ * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a>
+ * @version $Id$
+ * @since 1.1
+ */
+public class AncestorOrSelfDependencyNodeFilter
+ implements DependencyNodeFilter
+{
+ // fields -----------------------------------------------------------------
+
+ /**
+ * The list of nodes that this filter accepts ancestors-or-self of.
+ */
+ private final List<DependencyNode> descendantNodes;
+
+ // constructors -----------------------------------------------------------
+
+ public AncestorOrSelfDependencyNodeFilter( DependencyNode descendantNode )
+ {
+ this( Collections.singletonList( descendantNode ) );
+ }
+
+ /**
+ * Creates a dependency node filter that only accepts nodes that are ancestors of, or equal to, the specified list
+ * of nodes.
+ *
+ * @param descendantNodes
+ * the list of nodes to accept ancestors-or-self of
+ */
+ public AncestorOrSelfDependencyNodeFilter( List<DependencyNode> descendantNodes )
+ {
+ this.descendantNodes = descendantNodes;
+ }
+
+ // DependencyNodeFilter methods -------------------------------------------
+
+ /**
+ * {@inheritDoc}
+ */
+ public boolean accept( DependencyNode node )
+ {
+ for ( DependencyNode descendantNode : descendantNodes )
+ {
+ if ( isAncestorOrSelf( node, descendantNode ) )
+ {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ // private methods --------------------------------------------------------
+
+ /**
+ * Gets whether the first dependency node is an ancestor-or-self of the second.
+ *
+ * @param ancestorNode
+ * the ancestor-or-self dependency node
+ * @param descendantNode
+ * the dependency node to test
+ * @return <code>true</code> if <code>ancestorNode</code> is an ancestor, or equal to,
+ * <code>descendantNode</code>
+ */
+ private boolean isAncestorOrSelf( DependencyNode ancestorNode, DependencyNode descendantNode )
+ {
+ boolean ancestor = false;
+
+ while ( !ancestor && descendantNode != null )
+ {
+ ancestor = ancestorNode.equals( descendantNode );
+
+ descendantNode = descendantNode.getParent();
+ }
+
+ return ancestor;
+ }
+}
diff --git a/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven2DependencyGraphBuilder.java b/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven2DependencyGraphBuilder.java
index 63a03c2..d0fb71a 100644
--- a/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven2DependencyGraphBuilder.java
+++ b/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven2DependencyGraphBuilder.java
@@ -48,7 +48,7 @@
{
try
{
- return new Maven2DependencyNode( treeBuilder.buildDependencyTree( project ), filter );
+ return new Maven2DependencyNode( null, treeBuilder.buildDependencyTree( project ), filter );
}
catch ( DependencyTreeBuilderException e )
{
diff --git a/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven2DependencyNode.java b/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven2DependencyNode.java
index ec51df5..46d3a20 100644
--- a/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven2DependencyNode.java
+++ b/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven2DependencyNode.java
@@ -41,8 +41,12 @@
private final List<DependencyNode> children;
- public Maven2DependencyNode( org.apache.maven.shared.dependency.tree.DependencyNode node, ArtifactFilter filter )
+ private final DependencyNode parent;
+
+ public Maven2DependencyNode( DependencyNode parent, org.apache.maven.shared.dependency.tree.DependencyNode node,
+ ArtifactFilter filter )
{
+ this.parent = parent;
this.artifact = node.getArtifact();
List<DependencyNode> nodes = new ArrayList<DependencyNode>( node.getChildren().size() );
@@ -50,7 +54,7 @@
{
if ( ( filter == null ) || filter.include( child.getArtifact() ) )
{
- nodes.add( new Maven2DependencyNode( child, filter ) );
+ nodes.add( new Maven2DependencyNode( this, child, filter ) );
}
}
@@ -67,4 +71,8 @@
return children;
}
+ public DependencyNode getParent()
+ {
+ return parent;
+ }
}
diff --git a/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven3DependencyGraphBuilder.java b/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven3DependencyGraphBuilder.java
index cd1b111..f59d984 100644
--- a/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven3DependencyGraphBuilder.java
+++ b/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven3DependencyGraphBuilder.java
@@ -66,7 +66,7 @@
DependencyResolutionResult result = resolver.resolve( request );
- return new Maven3DependencyNode( factory, result.getDependencyGraph(), project.getArtifact(), filter );
+ return new Maven3DependencyNode( null, factory, result.getDependencyGraph(), project.getArtifact(), filter );
}
catch ( DependencyResolutionException e )
{
diff --git a/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven3DependencyNode.java b/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven3DependencyNode.java
index a27220a..ce10269 100644
--- a/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven3DependencyNode.java
+++ b/src/main/java/org/apache/maven/shared/dependency/graph/internal/Maven3DependencyNode.java
@@ -44,9 +44,14 @@
private final List<DependencyNode> children;
- public Maven3DependencyNode( ArtifactFactory factory, org.sonatype.aether.graph.DependencyNode node,
- final Artifact artifact, ArtifactFilter filter )
+ private final DependencyNode parent;
+
+ public Maven3DependencyNode( DependencyNode parent, ArtifactFactory factory,
+ org.sonatype.aether.graph.DependencyNode node, final Artifact artifact,
+ ArtifactFilter filter )
{
+ this.parent = parent;
+
if ( artifact != null )
{
this.artifact = artifact;
@@ -75,7 +80,7 @@
List<DependencyNode> nodes = new ArrayList<DependencyNode>( node.getChildren().size() );
for ( org.sonatype.aether.graph.DependencyNode child : node.getChildren() )
{
- DependencyNode tmpNode = new Maven3DependencyNode( factory, child, null, filter );
+ DependencyNode tmpNode = new Maven3DependencyNode( this, factory, child, null, filter );
if ( tmpNode.getArtifact() != null )
{
@@ -95,4 +100,8 @@
return children;
}
+ public DependencyNode getParent()
+ {
+ return parent;
+ }
}