| package org.apache.maven.shared.utils.io; |
| |
| /* |
| * 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.io.File; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.StringTokenizer; |
| import java.util.regex.Pattern; |
| |
| import javax.annotation.Nonnull; |
| |
| /** |
| * Describes a match target for SelectorUtils. |
| * <p/> |
| * Significantly more efficient than using strings, since re-evaluation and re-tokenizing is avoided. |
| * |
| * @author Kristian Rosenvold |
| */ |
| public class MatchPattern |
| { |
| private final String source; |
| |
| private final String regexPattern; |
| |
| private final Pattern regexPatternRegex; |
| |
| private final String separator; |
| |
| private final String[] tokenized; |
| |
| private MatchPattern( @Nonnull String source, @Nonnull String separator ) |
| { |
| regexPattern = SelectorUtils.isRegexPrefixedPattern( source ) ? source.substring( |
| SelectorUtils.REGEX_HANDLER_PREFIX.length(), |
| source.length() - SelectorUtils.PATTERN_HANDLER_SUFFIX.length() ) : null; |
| regexPatternRegex = regexPattern != null ? Pattern.compile( regexPattern ) : null; |
| this.source = SelectorUtils.isAntPrefixedPattern( source ) ? source.substring( |
| SelectorUtils.ANT_HANDLER_PREFIX.length(), |
| source.length() - SelectorUtils.PATTERN_HANDLER_SUFFIX.length() ) : source; |
| this.separator = separator; |
| tokenized = tokenizePathToString( this.source, separator ); |
| } |
| |
| |
| /** |
| * @param str The string to match for. |
| * @param isCaseSensitive case sensitive true false otherwise. |
| * @return true if matches false otherwise. |
| */ |
| public boolean matchPath( String str, boolean isCaseSensitive ) |
| { |
| if ( regexPattern != null ) |
| { |
| return regexPatternRegex.matcher( str ).matches(); |
| } |
| else |
| { |
| return SelectorUtils.matchAntPathPattern( this, str, separator, isCaseSensitive ); |
| } |
| } |
| |
| boolean matchPath( String str, String[] strDirs, boolean isCaseSensitive ) |
| { |
| if ( regexPattern != null ) |
| { |
| return regexPatternRegex.matcher( str ).matches(); |
| } |
| else |
| { |
| return SelectorUtils.matchAntPathPattern( getTokenizedPathString(), strDirs, isCaseSensitive ); |
| } |
| } |
| |
| /** |
| * @param str The string to check. |
| * @param isCaseSensitive Check case sensitive or not. |
| * @return true in case of matching pattern. |
| */ |
| public boolean matchPatternStart( @Nonnull String str, boolean isCaseSensitive ) |
| { |
| if ( regexPattern != null ) |
| { |
| // FIXME: ICK! But we can't do partial matches for regex, so we have to reserve judgement until we have |
| // a file to deal with, or we can definitely say this is an exclusion... |
| return true; |
| } |
| else |
| { |
| String altStr = source.replace( '\\', '/' ); |
| |
| return SelectorUtils.matchAntPathPatternStart( this, str, File.separator, isCaseSensitive ) |
| || SelectorUtils.matchAntPathPatternStart( this, altStr, "/", isCaseSensitive ); |
| } |
| } |
| |
| /** |
| * @return Tokenized string. |
| */ |
| public String[] getTokenizedPathString() |
| { |
| return tokenized; |
| } |
| |
| |
| /** |
| * @param string The part which will be checked to start with. |
| * @return true in case of starting with the string false otherwise. |
| */ |
| public boolean startsWith( String string ) |
| { |
| return source.startsWith( string ); |
| } |
| |
| |
| static String[] tokenizePathToString( @Nonnull String path, @Nonnull String separator ) |
| { |
| List<String> ret = new ArrayList<String>(); |
| StringTokenizer st = new StringTokenizer( path, separator ); |
| while ( st.hasMoreTokens() ) |
| { |
| ret.add( st.nextToken() ); |
| } |
| return ret.toArray( new String[ret.size()] ); |
| } |
| |
| /** |
| * @param source The source. |
| * @return The match pattern. |
| */ |
| public static MatchPattern fromString( String source ) |
| { |
| return new MatchPattern( source, File.separator ); |
| } |
| |
| } |