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Java > Open Source Codes > com > google > gwt > dev > jdt > Shared


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.dev.jdt;
17
18 import com.google.gwt.core.ext.typeinfo.JClassType;
19 import com.google.gwt.core.ext.typeinfo.JConstructor;
20 import com.google.gwt.core.ext.typeinfo.JField;
21 import com.google.gwt.core.ext.typeinfo.JMethod;
22 import com.google.gwt.core.ext.typeinfo.JPackage;
23 import com.google.gwt.core.ext.typeinfo.JParameter;
24 import com.google.gwt.core.ext.typeinfo.JType;
25
26 import org.eclipse.jdt.internal.compiler.lookup.FieldBinding;
27 import org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
28 import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
29
30 import java.util.ArrayList JavaDoc;
31 import java.util.List JavaDoc;
32
33 /**
34  * Utility methods and constants.
35  */
36 class Shared {
37   static final int MOD_ABSTRACT = 0x00000001;
38   static final int MOD_FINAL = 0x00000002;
39   static final int MOD_NATIVE = 0x00000004;
40   static final int MOD_PRIVATE = 0x00000008;
41   static final int MOD_PROTECTED = 0x00000010;
42   static final int MOD_PUBLIC = 0x00000020;
43   static final int MOD_STATIC = 0x00000040;
44   static final int MOD_TRANSIENT = 0x00000080;
45   static final int MOD_VOLATILE = 0x00000100;
46   static final JClassType[] NO_JCLASSES = new JClassType[0];
47   static final JConstructor[] NO_JCTORS = new JConstructor[0];
48   static final JField[] NO_JFIELDS = new JField[0];
49   static final JMethod[] NO_JMETHODS = new JMethod[0];
50   static final JPackage[] NO_JPACKAGES = new JPackage[0];
51   static final JParameter[] NO_JPARAMS = new JParameter[0];
52   static final JType[] NO_JTYPES = new JType[0];
53   static final String JavaDoc[][] NO_STRING_ARR_ARR = new String JavaDoc[0][];
54   static final String JavaDoc[] NO_STRINGS = new String JavaDoc[0];
55
56   public static int bindingToModifierBits(FieldBinding binding) {
57     int bits = 0;
58     bits |= (binding.isPublic() ? MOD_PUBLIC : 0);
59     bits |= (binding.isPrivate() ? MOD_PRIVATE : 0);
60     bits |= (binding.isProtected() ? MOD_PROTECTED : 0);
61     bits |= (binding.isStatic() ? MOD_STATIC : 0);
62     bits |= (binding.isTransient() ? MOD_TRANSIENT : 0);
63     bits |= (binding.isFinal() ? MOD_FINAL : 0);
64     bits |= (binding.isVolatile() ? MOD_VOLATILE : 0);
65     return bits;
66   }
67
68   public static int bindingToModifierBits(MethodBinding binding) {
69     int bits = 0;
70     bits |= (binding.isPublic() ? MOD_PUBLIC : 0);
71     bits |= (binding.isPrivate() ? MOD_PRIVATE : 0);
72     bits |= (binding.isProtected() ? MOD_PROTECTED : 0);
73     bits |= (binding.isStatic() ? MOD_STATIC : 0);
74     bits |= (binding.isFinal() ? MOD_FINAL : 0);
75     bits |= (binding.isNative() ? MOD_NATIVE : 0);
76     bits |= (binding.isAbstract() ? MOD_ABSTRACT : 0);
77     return bits;
78   }
79
80   public static int bindingToModifierBits(ReferenceBinding binding) {
81     int bits = 0;
82     bits |= (binding.isPublic() ? MOD_PUBLIC : 0);
83     bits |= (binding.isPrivate() ? MOD_PRIVATE : 0);
84     bits |= (binding.isProtected() ? MOD_PROTECTED : 0);
85     bits |= (binding.isStatic() ? MOD_STATIC : 0);
86     bits |= (binding.isFinal() ? MOD_FINAL : 0);
87     bits |= (binding.isAbstract() ? MOD_ABSTRACT : 0);
88     return bits;
89   }
90
91   static String JavaDoc[] modifierBitsToNames(int bits) {
92     List JavaDoc strings = new ArrayList JavaDoc();
93
94     // The order is based on the order in which we want them to appear.
95 //
96 if (0 != (bits & MOD_PUBLIC)) {
97       strings.add("public");
98     }
99
100     if (0 != (bits & MOD_PRIVATE)) {
101       strings.add("private");
102     }
103
104     if (0 != (bits & MOD_PROTECTED)) {
105       strings.add("protected");
106     }
107
108     if (0 != (bits & MOD_STATIC)) {
109       strings.add("static");
110     }
111
112     if (0 != (bits & MOD_ABSTRACT)) {
113       strings.add("abstract");
114     }
115
116     if (0 != (bits & MOD_FINAL)) {
117       strings.add("final");
118     }
119
120     if (0 != (bits & MOD_NATIVE)) {
121       strings.add("native");
122     }
123
124     if (0 != (bits & MOD_TRANSIENT)) {
125       strings.add("transient");
126     }
127
128     if (0 != (bits & MOD_VOLATILE)) {
129       strings.add("volatile");
130     }
131
132     return (String JavaDoc[]) strings.toArray(NO_STRINGS);
133   }
134
135 }
136
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