| /* |
| * 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.felix.tools.maven.plugin; |
| |
| import java.util.*; |
| |
| public class QuotedTokenizer { |
| String string; |
| int index = 0; |
| String separators; |
| boolean returnTokens; |
| boolean ignoreWhiteSpace = true; |
| String peek; |
| char separator; |
| |
| public QuotedTokenizer(String string, String separators, boolean returnTokens ) { |
| if ( string == null ) |
| throw new IllegalArgumentException("string argument must be not null"); |
| this.string = string; |
| this.separators = separators; |
| this.returnTokens = returnTokens; |
| } |
| public QuotedTokenizer(String string, String separators) { |
| this(string,separators,false); |
| } |
| |
| public String nextToken(String separators) { |
| separator = 0; |
| if ( peek != null ) { |
| String tmp = peek; |
| peek = null; |
| return tmp; |
| } |
| |
| if ( index == string.length()) |
| return null; |
| |
| StringBuffer sb = new StringBuffer(); |
| |
| while (index < string.length()) { |
| char c = string.charAt(index++); |
| |
| if ( Character.isWhitespace(c)) { |
| if ( index == string.length()) |
| break; |
| else |
| continue; |
| } |
| |
| if (separators.indexOf(c) >= 0) { |
| if (returnTokens) |
| peek = Character.toString(c); |
| else |
| separator = c; |
| break; |
| } |
| |
| switch (c) { |
| case '"' : |
| case '\'' : |
| quotedString(sb, c); |
| break; |
| |
| default : |
| sb.append(c); |
| } |
| } |
| String result = sb.toString().trim(); |
| if ( result.length()==0 && index==string.length()) |
| return null; |
| return result; |
| } |
| |
| public String nextToken() { |
| return nextToken(separators); |
| } |
| |
| private void quotedString(StringBuffer sb, char c) { |
| char quote = c; |
| while (index < string.length()) { |
| c = string.charAt(index++); |
| if (c == quote) |
| break; |
| if (c == '\\' && index < string.length() |
| && string.charAt(index + 1) == quote) |
| c = string.charAt(index++); |
| sb.append(c); |
| } |
| } |
| |
| public String[] getTokens() { |
| return getTokens(0); |
| } |
| |
| private String [] getTokens(int cnt){ |
| String token = nextToken(); |
| if ( token == null ) |
| return new String[cnt]; |
| |
| String result[] = getTokens(cnt+1); |
| result[cnt]=token; |
| return result; |
| } |
| |
| public char getSeparator() { return separator; } |
| |
| public List getTokenSet() { |
| List list = new ArrayList(); |
| String token = nextToken(); |
| while ( token != null ) { |
| list.add(token); |
| token = nextToken(); |
| } |
| return list; |
| } |
| } |