01: /*
02: * Copyright 2006 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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 arg);
24:
25: public String[] getDefaultArgs() {
26: return null;
27: }
28:
29: public final String getTag() {
30: return null;
31: }
32:
33: public int handle(String[] 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: }
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