| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.tools.ant.util; |
| |
| /** |
| * Implementation of FileNameMapper that does simple wildcard pattern |
| * replacements. |
| * |
| * <p>This does simple translations like *.foo -> *.bar where the |
| * prefix to .foo will be left unchanged. It only handles a single * |
| * character, use regular expressions for more complicated |
| * situations.</p> |
| * |
| * <p>This is one of the more useful Mappers, it is used by javac for |
| * example.</p> |
| * |
| * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> |
| */ |
| public class GlobPatternMapper implements FileNameMapper { |
| /** |
| * Part of "from" pattern before the *. |
| */ |
| protected String fromPrefix = null; |
| |
| /** |
| * Part of "from" pattern after the *. |
| */ |
| protected String fromPostfix = null; |
| |
| /** |
| * Length of the prefix ("from" pattern). |
| */ |
| protected int prefixLength; |
| |
| /** |
| * Length of the postfix ("from" pattern). |
| */ |
| protected int postfixLength; |
| |
| /** |
| * Part of "to" pattern before the *. |
| */ |
| protected String toPrefix = null; |
| |
| /** |
| * Part of "to" pattern after the *. |
| */ |
| protected String toPostfix = null; |
| |
| /** |
| * Sets the "from" pattern. Required. |
| */ |
| public void setFrom(String from) { |
| int index = from.lastIndexOf("*"); |
| if (index == -1) { |
| fromPrefix = from; |
| fromPostfix = ""; |
| } else { |
| fromPrefix = from.substring(0, index); |
| fromPostfix = from.substring(index+1); |
| } |
| prefixLength = fromPrefix.length(); |
| postfixLength = fromPostfix.length(); |
| } |
| |
| /** |
| * Sets the "to" pattern. Required. |
| */ |
| public void setTo(String to) { |
| int index = to.lastIndexOf("*"); |
| if (index == -1) { |
| toPrefix = to; |
| toPostfix = ""; |
| } else { |
| toPrefix = to.substring(0, index); |
| toPostfix = to.substring(index+1); |
| } |
| } |
| |
| /** |
| * Returns null if the source file name doesn't match the |
| * "from" pattern, an one-element array containing the |
| * translated file otherwise. |
| */ |
| public String[] mapFileName(String sourceFileName) { |
| if (fromPrefix == null |
| || !sourceFileName.startsWith(fromPrefix) |
| || !sourceFileName.endsWith(fromPostfix)) { |
| return null; |
| } |
| return new String[] {toPrefix |
| + extractVariablePart(sourceFileName) |
| + toPostfix}; |
| } |
| |
| /** |
| * Returns the part of the given string that matches the * in the |
| * "from" pattern. |
| */ |
| protected String extractVariablePart(String name) { |
| return name.substring(prefixLength, |
| name.length() - postfixLength); |
| } |
| } |