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/*
* 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.optional;
import java.util.ArrayList;
import org.apache.tools.ant.util.FileNameMapper;
/**
* Script support at map time.
* @since Ant1.7
*/
public class ScriptMapper extends AbstractScriptComponent implements FileNameMapper {
private ArrayList<String> files;
/**
* Sets the from part of the transformation rule.
*
* @param from a string.
*/
public void setFrom(String from) {
}
/**
* Sets the to part of the transformation rule.
*
* @param to a string.
*/
public void setTo(String to) {
}
/**
* Reset the list of files
*/
public void clear() {
files = new ArrayList<String>(1);
}
/**
* Add a mapped name
* @param mapping the value to use.
*/
public void addMappedName(String mapping) {
files.add(mapping);
}
/**
* Returns an array containing the target filename(s) for the given source
* file.
* <p/>
* <p>if the given rule doesn't apply to the source file, implementation
* must return null. SourceFileScanner will then omit the source file in
* question.</p>
*
* @param sourceFileName the name of the source file relative to some given
* basedirectory.
* @return an array of strings if the rule applies to the source file, or
* null if it does not.
*/
public String[] mapFileName(String sourceFileName) {
initScriptRunner();
getRunner().addBean("source", sourceFileName);
clear();
executeScript("ant_mapper");
if (files.size() == 0) {
return null;
} else {
return files.toArray(new String[files.size()]);
}
}
}
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