/**
* 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.mahout.utils.regex;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
public final class URLDecodeTransformer implements RegexTransformer {
private final String enc;
public URLDecodeTransformer() {
enc = "UTF-8";
}
public URLDecodeTransformer(String encoding) {
this.enc = encoding;
}
@Override
public String transformMatch(String match) {
try {
return URLDecoder.decode(match, enc);
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
}
}