01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: */
18:
19: package org.apache.jmeter.util;
20:
21: public final class StringUtilities {
22:
23: /**
24: * Private constructor to prevent instantiation.
25: */
26: private StringUtilities() {
27: }
28:
29: /**
30: * Replace all patterns in a String
31: *
32: * @see String#replaceAll(String,String)
33: * - JDK1.4 only
34: *
35: * @param input - string to be transformed
36: * @param pattern - pattern to replace
37: * @param sub - replacement
38: * @return the updated string
39: */
40: public static String substitute(final String input,
41: final String pattern, final String sub) {
42: StringBuffer ret = new StringBuffer(input.length());
43: int start = 0;
44: int index = -1;
45: final int length = pattern.length();
46: while ((index = input.indexOf(pattern, start)) >= start) {
47: ret.append(input.substring(start, index));
48: ret.append(sub);
49: start = index + length;
50: }
51: ret.append(input.substring(start));
52: return ret.toString();
53: }
54: }
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