org.apache.tools.ant.util.FirstMatchMapper Maven / Gradle / Ivy
/*
* 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;
/**
* A ContainerMapper that returns the results of its
* first constituent FileNameMappers that matches.
*
* @since Ant 1.8.0
*/
public class FirstMatchMapper extends ContainerMapper {
/** {@inheritDoc}. */
public String[] mapFileName(String sourceFileName) {
for (Iterator iter = getMappers().iterator(); iter.hasNext();) {
FileNameMapper mapper = (FileNameMapper) iter.next();
if (mapper != null) {
String[] mapped = mapper.mapFileName(sourceFileName);
if (mapped != null) {
return mapped;
}
}
}
return null;
}
}