| /******************************************************************************* |
| * Copyright (c) 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.jsdt.ui.tests.utils; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| |
| /** |
| * @see org.eclipse.wst.xml.core.tests.util.StringCompareUtil |
| * @see org.eclipse.wst.sse.core.utils.StringUtils |
| * @see org.eclipse.wst.jsdt.web.ui.tests.StringUtils |
| */ |
| public class StringUtils { |
| |
| /** |
| * Replace matching literal portions of a string with another string |
| */ |
| public static String replace(String aString, String source, String target) { |
| if (aString == null) { |
| return null; |
| } |
| String normalString = ""; //$NON-NLS-1$ |
| int length = aString.length(); |
| int position = 0; |
| int previous = 0; |
| int spacer = source.length(); |
| StringBuffer sb = new StringBuffer(normalString); |
| while(position + spacer - 1 < length && aString.indexOf(source, position) > -1) { |
| position = aString.indexOf(source, previous); |
| sb.append(normalString); |
| sb.append(aString.substring(previous, position)); |
| sb.append(target); |
| position += spacer; |
| previous = position; |
| } |
| sb.append(aString.substring(position, aString.length())); |
| normalString = sb.toString(); |
| |
| return normalString; |
| } |
| |
| public static boolean equalsIgnoreLineSeperator(String string1, String string2) { |
| |
| if (string1 == null) { |
| return false; |
| } |
| if (string2 == null) { |
| return false; |
| } |
| |
| StringReader s1Reader = new StringReader(string1); |
| StringReader s2Reader = new StringReader(string2); |
| |
| // assume true unless find evidence to the contrary |
| boolean result = true; |
| int s1Char = -1; |
| int s2Char = -1; |
| do { |
| |
| s1Char = getNextChar(s1Reader); |
| |
| s2Char = getNextChar(s2Reader); |
| |
| if(s1Char != s2Char) { |
| result = false; |
| break; |
| } |
| } while(s1Char != -1 && s2Char != -1); |
| |
| return result; |
| } |
| |
| /** |
| * Method getNextChar. |
| * |
| * @param s1Reader |
| * @return char |
| */ |
| private static int getNextChar(StringReader reader) { |
| int nextChar = -1; |
| try { |
| nextChar = reader.read(); |
| while(isEOL(nextChar)) { |
| nextChar = reader.read(); |
| } |
| } catch(IOException e) { |
| e.printStackTrace(); |
| } |
| return nextChar; |
| } |
| |
| private static boolean isEOL(int aChar) { |
| return (aChar == '\n' || aChar == '\r'); |
| } |
| |
| } |