| /* |
| * 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.uima.internal.util; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| |
| /** |
| * An assorted collection of string utilities. |
| * |
| * |
| * @version $Id: StringUtils.java,v 1.3 2001/05/30 21:41:14 goetz Exp $ |
| */ |
| public class StringUtils { |
| |
| /** |
| * Print <code>n</code> spaces to <code>buf</code>. |
| * |
| * @param n |
| * Number of spaces to print. |
| * @param buf |
| * Buffer to print to. |
| */ |
| public static final void printSpaces(int n, StringBuffer buf) { |
| for (int i = 0; i < n; i++) { |
| buf.append(" "); |
| } |
| } |
| |
| /** |
| * Print <code>n</code> spaces to <code>writer</code>. |
| * |
| * @param n |
| * Number of spaces to print. |
| * @param writer |
| * Writer to print to. |
| */ |
| public static final void printSpaces(int n, Writer writer) throws IOException { |
| for (int i = 0; i < n; i++) { |
| writer.write(" "); |
| } |
| } |
| |
| public static final void write(Writer writer, String string) throws IOException { |
| writer.write(string, 0, string.length()); |
| } |
| |
| /** |
| * Converts occurance of patterns in a sourceString with provided replacement String. |
| * |
| * @param aSourceString - |
| * String to convert |
| * @param aPattern - |
| * pattern for matching |
| * @param aReplaceString - |
| * replacement String for aPattern |
| * @return - converted String |
| */ |
| public static String replaceAll(String aSourceString, String aPattern, String aReplaceString) { |
| int offset = 0; |
| int e = 0; |
| StringBuffer convertedString = new StringBuffer(); |
| // while pattern exists in the source String |
| // get a start position of pattern in String |
| while ((e = aSourceString.indexOf(aPattern, offset)) >= 0) { |
| // copy chars until the pattern |
| convertedString.append(aSourceString.substring(offset, e)); |
| // replace the pattern |
| convertedString.append(aReplaceString); |
| // Skip the lenght of the pattern |
| offset = e + aPattern.length(); |
| } |
| // copy remaining |
| convertedString.append(aSourceString.substring(offset)); |
| return convertedString.toString(); |
| } |
| |
| } |