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Java > Open Source Codes > com > google > gwt > util > tools > ArgHandlerExtra


1 /*
2  * Copyright 2006 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 package com.google.gwt.util.tools;
17
18 /**
19  * Argument handler that handles arguments that do not have preceeding flags.
20  */
21 public abstract class ArgHandlerExtra extends ArgHandler {
22
23   public abstract boolean addExtraArg(String JavaDoc arg);
24
25   public String JavaDoc[] getDefaultArgs() {
26     return null;
27   }
28
29   public final String JavaDoc getTag() {
30     return null;
31   }
32
33   public int handle(String JavaDoc[] args, int startIndex) {
34     if (addExtraArg(args[startIndex])) {
35       return 0;
36     } else {
37       return -1;
38     }
39   }
40
41   public boolean isRequired() {
42     return false;
43   }
44
45 }
46
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