1 files changed, 50 insertions, 0 deletions
diff --git a/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/CompositeMapper.java b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/CompositeMapper.java
new file mode 100644
index 00000000..d04a5fc9
--- /dev/null
+++ b/framework/src/ant/apache-ant-1.9.6/src/main/org/apache/tools/ant/util/CompositeMapper.java
@@ -0,0 +1,50 @@
+/*
+ *  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.
+ *
+ */
+package org.apache.tools.ant.util;
+
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+
+/**
+ * A <code>ContainerMapper</code> that unites the results of its constituent
+ * <code>FileNameMapper</code>s into a single set of result filenames.
+ */
+public class CompositeMapper extends ContainerMapper {
+
+    /** {@inheritDoc}. */
+    public String[] mapFileName(String sourceFileName) {
+        LinkedHashSet results = new LinkedHashSet();
+
+        FileNameMapper mapper = null;
+        for (Iterator mIter = getMappers().iterator(); mIter.hasNext();) {
+            mapper = (FileNameMapper) (mIter.next());
+            if (mapper != null) {
+                String[] mapped = mapper.mapFileName(sourceFileName);
+                if (mapped != null) {
+                    for (int i = 0; i < mapped.length; i++) {
+                        results.add(mapped[i]);
+                    }
+                }
+            }
+        }
+        return (results.size() == 0) ? null
+            : (String[]) results.toArray(new String[results.size()]);
+    }
+
+}
+