| /* |
| * 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; |
| |
| /** |
| * 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> |
| * |
| */ |
| public class GlobPatternMapper implements FileNameMapper { |
| |
| // CheckStyle:VisibilityModifier OFF - bc |
| /** |
| * 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; |
| |
| // CheckStyle:VisibilityModifier ON |
| |
| private boolean handleDirSep = false; |
| private boolean caseSensitive = true; |
| |
| /** |
| * Attribute specifing whether to ignore the difference |
| * between / and \ (the two common directory characters). |
| * @param handleDirSep a boolean, default is false. |
| * @since Ant 1.6.3 |
| */ |
| public void setHandleDirSep(boolean handleDirSep) { |
| this.handleDirSep = handleDirSep; |
| } |
| |
| /** |
| * Attribute specifing whether to ignore the case difference |
| * in the names. |
| * |
| * @param caseSensitive a boolean, default is false. |
| * @since Ant 1.6.3 |
| */ |
| public void setCaseSensitive(boolean caseSensitive) { |
| this.caseSensitive = caseSensitive; |
| } |
| |
| /** |
| * Sets the "from" pattern. Required. |
| * @param from a string |
| */ |
| 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. |
| * @param to a string |
| */ |
| 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. |
| * @param sourceFileName the filename to map |
| * @return a list of converted filenames |
| */ |
| public String[] mapFileName(String sourceFileName) { |
| if (fromPrefix == null |
| || !modifyName(sourceFileName).startsWith(modifyName(fromPrefix)) |
| || !modifyName(sourceFileName).endsWith(modifyName(fromPostfix))) { |
| return null; |
| } |
| return new String[] {toPrefix |
| + extractVariablePart(sourceFileName) |
| + toPostfix}; |
| } |
| |
| /** |
| * Returns the part of the given string that matches the * in the |
| * "from" pattern. |
| * @param name the source file name |
| * @return the variable part of the name |
| */ |
| protected String extractVariablePart(String name) { |
| return name.substring(prefixLength, |
| name.length() - postfixLength); |
| } |
| |
| /** |
| * modify string based on dir char mapping and case sensitivity |
| * @param name the name to convert |
| * @return the converted name |
| */ |
| private String modifyName(String name) { |
| if (!caseSensitive) { |
| name = name.toLowerCase(); |
| } |
| if (handleDirSep) { |
| if (name.indexOf('\\') != -1) { |
| name = name.replace('\\', '/'); |
| } |
| } |
| return name; |
| } |
| } |