1 files changed, 73 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultGraphConflictResolutionPolicy.java b/framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultGraphConflictResolutionPolicy.java
new file mode 100644
index 00000000..bb764227
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultGraphConflictResolutionPolicy.java
@@ -0,0 +1,73 @@
+package org.apache.maven.repository.metadata;
+
+/*
+ * 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.apache.maven.artifact.versioning.ArtifactVersion;
+import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
+import org.codehaus.plexus.component.annotations.Component;
+import org.codehaus.plexus.component.annotations.Configuration;
+
+/**
+ * @author <a href="mailto:oleg@codehaus.org">Oleg Gusakov</a>
+ *
+ */
+@Component( role = GraphConflictResolutionPolicy.class )
+public class DefaultGraphConflictResolutionPolicy
+    implements GraphConflictResolutionPolicy
+{
+    /**
+     * artifact, closer to the entry point, is selected
+     */
+    @Configuration( name = "closer-first", value = "true" )
+    private boolean closerFirst = true;
+
+    /**
+     * newer artifact is selected
+     */
+    @Configuration( name = "newer-first", value = "true" )
+    private boolean newerFirst = true;
+
+    public MetadataGraphEdge apply( MetadataGraphEdge e1, MetadataGraphEdge e2 )
+    {
+        int depth1 = e1.getDepth();
+        int depth2 = e2.getDepth();
+
+        if ( depth1 == depth2 )
+        {
+            ArtifactVersion v1 = new DefaultArtifactVersion( e1.getVersion() );
+            ArtifactVersion v2 = new DefaultArtifactVersion( e2.getVersion() );
+
+            if ( newerFirst )
+            {
+                return v1.compareTo( v2 ) > 0 ? e1 : e2;
+            }
+
+            return v1.compareTo( v2 ) > 0 ? e2 : e1;
+        }
+
+        if ( closerFirst )
+        {
+            return depth1 < depth2 ? e1 : e2;
+        }
+
+        return depth1 < depth2 ? e2 : e1;
+    }
+
+}