| package org.apache.maven.shared.filtering; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.regex.Pattern; |
| |
| import org.apache.maven.shared.utils.StringUtils; |
| |
| /** |
| * @author Olivier Lamy |
| * @author Dennis Lundberg |
| */ |
| public final class FilteringUtils |
| { |
| private static final String WINDOWS_PATH_PATTERN = "^(.*)[a-zA-Z]:\\\\(.*)"; |
| |
| private static final Pattern PATTERN = Pattern.compile( WINDOWS_PATH_PATTERN ); |
| |
| /** |
| * |
| */ |
| private FilteringUtils() |
| { |
| // nothing just an util class |
| } |
| |
| // TODO: Correct to handle relative windows paths. (http://jira.codehaus.org/browse/MSHARED-121) |
| // How do we distinguish a relative windows path from some other value that happens to contain backslashes?? |
| /** |
| * @param val The value to be escaped. |
| * @return Escaped value |
| */ |
| public static String escapeWindowsPath( String val ) |
| { |
| if ( !StringUtils.isEmpty( val ) && PATTERN.matcher( val ).matches() ) |
| { |
| // Adapted from StringUtils.replace in plexus-utils to accommodate pre-escaped backslashes. |
| StringBuilder buf = new StringBuilder( val.length() ); |
| int start = 0, end = 0; |
| while ( ( end = val.indexOf( '\\', start ) ) != -1 ) |
| { |
| buf.append( val.substring( start, end ) ).append( "\\\\" ); |
| start = end + 1; |
| |
| if ( val.indexOf( '\\', end + 1 ) == end + 1 ) |
| { |
| start++; |
| } |
| } |
| |
| buf.append( val.substring( start ) ); |
| |
| return buf.toString(); |
| } |
| return val; |
| } |
| |
| } |