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From bode...@apache.org
Subject svn commit: r718260 - in /ant/core/trunk/src: main/org/apache/tools/ant/types/defaults.properties main/org/apache/tools/ant/types/resources/MappedResourceCollection.java tests/antunit/taskdefs/copy-test.xml
Date Mon, 17 Nov 2008 15:16:33 GMT
Author: bodewig
Date: Mon Nov 17 07:16:33 2008
New Revision: 718260

URL: http://svn.apache.org/viewvc?rev=718260&view=rev
Log:
Add mapped resource collection including test for <copy>

Added:
    ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResourceCollection.java
  (with props)
Modified:
    ant/core/trunk/src/main/org/apache/tools/ant/types/defaults.properties
    ant/core/trunk/src/tests/antunit/taskdefs/copy-test.xml

Modified: ant/core/trunk/src/main/org/apache/tools/ant/types/defaults.properties
URL: http://svn.apache.org/viewvc/ant/core/trunk/src/main/org/apache/tools/ant/types/defaults.properties?rev=718260&r1=718259&r2=718260&view=diff
==============================================================================
--- ant/core/trunk/src/main/org/apache/tools/ant/types/defaults.properties (original)
+++ ant/core/trunk/src/main/org/apache/tools/ant/types/defaults.properties Mon Nov 17 07:16:33
2008
@@ -74,6 +74,7 @@
 last=org.apache.tools.ant.types.resources.Last
 tarfileset=org.apache.tools.ant.types.TarFileSet
 tokens=org.apache.tools.ant.types.resources.Tokens
+mappedresources=org.apache.tools.ant.types.resources.MappedResourceCollection
 
 #Resources (single-element ResourceCollections):
 resource=org.apache.tools.ant.types.Resource

Added: ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResourceCollection.java
URL: http://svn.apache.org/viewvc/ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResourceCollection.java?rev=718260&view=auto
==============================================================================
--- ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResourceCollection.java
(added)
+++ ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResourceCollection.java
Mon Nov 17 07:16:33 2008
@@ -0,0 +1,196 @@
+/*
+ *  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.types.resources;
+
+import java.util.Iterator;
+import java.util.Stack;
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.types.DataType;
+import org.apache.tools.ant.types.Mapper;
+import org.apache.tools.ant.types.Resource;
+import org.apache.tools.ant.types.ResourceCollection;
+import org.apache.tools.ant.util.FileNameMapper;
+import org.apache.tools.ant.util.IdentityMapper;
+
+/**
+ * Wrapper around a resource collections that maps the names of the
+ * other collection using a configured mapper.
+ * @since Ant 1.8.0
+ */
+public class MappedResourceCollection
+    extends DataType implements ResourceCollection, Cloneable {
+
+    private ResourceCollection nested = null;
+    private Mapper mapper = null;
+
+    /**
+     * Adds the required nested ResourceCollection.
+     * @param c the ResourceCollection to add.
+     * @throws BuildException on error.
+     */
+    public synchronized void add(ResourceCollection c) throws BuildException {
+        if (isReference()) {
+            throw noChildrenAllowed();
+        }
+        if (nested != null) {
+            throw new BuildException("Only one resource collection can be"
+                                     + " nested into mappedresources",
+                                     getLocation());
+        }
+        nested = c;
+    }
+
+    /**
+     * Define the mapper to map source to destination files.
+     * @return a mapper to be configured.
+     * @exception BuildException if more than one mapper is defined.
+     */
+    public Mapper createMapper() throws BuildException {
+        if (isReference()) {
+            throw noChildrenAllowed();
+        }
+        if (mapper != null) {
+            throw new BuildException("Cannot define more than one mapper",
+                                     getLocation());
+        }
+        mapper = new Mapper(getProject());
+        return mapper;
+    }
+
+    /**
+     * Add a nested filenamemapper.
+     * @param fileNameMapper the mapper to add.
+     * @since Ant 1.6.3
+     */
+    public void add(FileNameMapper fileNameMapper) {
+        createMapper().add(fileNameMapper);
+    }
+
+    /**
+     * @return false
+     */
+    public boolean isFilesystemOnly() {
+        if (isReference()) {
+            return ((MappedResourceCollection) getCheckedRef())
+                .isFilesystemOnly();
+        }
+        checkInitialized();
+        return false;
+    }
+
+    /**
+     * @return size of the nested resource collection.
+     */
+    public int size() {
+        if (isReference()) {
+            return ((MappedResourceCollection) getCheckedRef()).size();
+        }
+        checkInitialized();
+        return nested.size();
+    }
+
+    public Iterator iterator() {
+        if (isReference()) {
+            return ((MappedResourceCollection) getCheckedRef()).iterator();
+        }
+        checkInitialized();
+        return new MappedIterator(nested.iterator(), mapper);
+    }
+
+    /**
+     * Implement clone.  The nested resource collection and mapper are
+     * copied.
+     * @return a cloned instance.
+     */
+    public Object clone() {
+        try {
+            MappedResourceCollection c =
+                (MappedResourceCollection) super.clone();
+            c.nested = nested;
+            c.mapper = mapper;
+            return c;
+        } catch (CloneNotSupportedException e) {
+            throw new BuildException(e);
+        }
+    }
+
+    /**
+     * Overrides the version of DataType to recurse on all DataType
+     * child elements that may have been added.
+     * @param stk the stack of data types to use (recursively).
+     * @param p   the project to use to dereference the references.
+     * @throws BuildException on error.
+     */
+    protected synchronized void dieOnCircularReference(Stack stk, Project p)
+        throws BuildException {
+        if (isChecked()) {
+            return;
+        }
+        if (isReference()) {
+            super.dieOnCircularReference(stk, p);
+        } else {
+            checkInitialized();
+            if (mapper != null) {
+                stk.push(mapper);
+                invokeCircularReferenceCheck(mapper, stk, p);
+                stk.pop();
+            }
+            if (nested instanceof DataType) {
+                stk.push(nested);
+                invokeCircularReferenceCheck((DataType) nested, stk, p);
+                stk.pop();
+            }
+            setChecked(true);
+        }
+    }
+
+    private void checkInitialized() {
+        if (nested == null) {
+            throw new BuildException("A nested resource collection element is"
+                                     + " required", getLocation());
+        }
+    }
+
+    private static class MappedIterator implements Iterator {
+        private final Iterator sourceIterator;
+        private final FileNameMapper mapper;
+
+        private MappedIterator(Iterator source, Mapper m) {
+            sourceIterator = source;
+            if (m != null) {
+                mapper = m.getImplementation();
+            } else {
+                mapper = new IdentityMapper();
+            }
+        }
+
+        public boolean hasNext() {
+            return sourceIterator.hasNext();
+        }
+
+        public Object next() {
+            return new MappedResource((Resource) sourceIterator.next(),
+                                      mapper);
+        }
+
+        public void remove() {
+            throw new UnsupportedOperationException();
+        }
+    }
+}
\ No newline at end of file

Propchange: ant/core/trunk/src/main/org/apache/tools/ant/types/resources/MappedResourceCollection.java
------------------------------------------------------------------------------
    svn:eol-style = native

Modified: ant/core/trunk/src/tests/antunit/taskdefs/copy-test.xml
URL: http://svn.apache.org/viewvc/ant/core/trunk/src/tests/antunit/taskdefs/copy-test.xml?rev=718260&r1=718259&r2=718260&view=diff
==============================================================================
--- ant/core/trunk/src/tests/antunit/taskdefs/copy-test.xml (original)
+++ ant/core/trunk/src/tests/antunit/taskdefs/copy-test.xml Mon Nov 17 07:16:33 2008
@@ -100,4 +100,20 @@
     <au:assertFileExists file="${output}/foo"/>
   </target>
 
+  <target name="testMappedResources">
+    <mkdir dir="${input}"/>
+    <mkdir dir="${output}"/>
+    <echo file="${input}/foo.txt">Hello, world!</echo>
+    <copy todir="${output}">
+      <mappedresources>
+        <fileset dir="${input}"/>
+        <globmapper from="foo.*" to="bar.*"/>
+      </mappedresources>
+    </copy>
+    <au:assertFileDoesntExist file="${output}/foo.txt"/>
+    <au:assertFileExists file="${output}/bar.txt"/>
+    <au:assertFilesMatch expected="${input}/foo.txt"
+                         actual="${output}/bar.txt"/>
+  </target>
+
 </project>



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