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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.util;
/**
* Contains one helper method to create a backslash u escape
*
* @since Ant 1.8.3
*/
public class UnicodeUtil {
private UnicodeUtil() {
}
/**
* returns the unicode representation of a char without the leading backslash
* @param ch
* @return unicode representation of a char for property files
*/
public static StringBuffer EscapeUnicode(char ch) {
StringBuffer unicodeBuf = new StringBuffer("u0000");
String s = Integer.toHexString(ch);
//replace the last 0s by the chars contained in s
for (int i = 0; i < s.length(); i++) {
unicodeBuf.setCharAt(unicodeBuf.length()
- s.length() + i,
s.charAt(i));
}
return unicodeBuf;
}
}
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