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.dev.cfg;
17:
18: import com.google.gwt.core.ext.GeneratorContext;
19: import com.google.gwt.core.ext.TreeLogger;
20:
21: /**
22: * A deferred binding condition to determine whether the type being rebound is
23: * exactly a particular type.
24: */
25: public class ConditionWhenTypeIs extends Condition {
26:
27: private final String exactTypeName;
28:
29: public ConditionWhenTypeIs(String exactTypeName) {
30: this .exactTypeName = exactTypeName;
31: }
32:
33: public String toString() {
34: return "<when-type-is class='" + exactTypeName + "'/>";
35: }
36:
37: protected boolean doEval(TreeLogger logger,
38: GeneratorContext context, String testType) {
39: return exactTypeName.equals(testType);
40: }
41:
42: protected String getEvalAfterMessage(String testType, boolean result) {
43: if (result) {
44: return "Yes, the requested type was an exact match";
45: } else {
46: return "Not an exact match";
47: }
48: }
49:
50: protected String getEvalBeforeMessage(String testType) {
51: return toString();
52: }
53: }
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