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11 package org.eclipse.jdt.internal.compiler.lookup;
12
13 public class AnnotationHolder {
14 AnnotationBinding[] annotations;
15
16 static AnnotationHolder storeAnnotations(AnnotationBinding[] annotations, AnnotationBinding[][] parameterAnnotations, Object  defaultValue) {
17 if (parameterAnnotations != null) {
18 boolean isEmpty = true;
19 for (int i = parameterAnnotations.length; isEmpty && --i >= 0;)
20 if (parameterAnnotations[i] != null && parameterAnnotations[i].length > 0)
21 isEmpty = false;
22 if (isEmpty)
23 parameterAnnotations = null; }
25
26 if (defaultValue != null)
27 return new AnnotationMethodHolder(annotations, parameterAnnotations, defaultValue);
28 if (parameterAnnotations != null)
29 return new MethodHolder(annotations, parameterAnnotations);
30 return new AnnotationHolder().setAnnotations(annotations);
31 }
32
33 AnnotationBinding[] getAnnotations() {
34 return this.annotations;
35 }
36 Object getDefaultValue() {
37 return null;
38 }
39 public AnnotationBinding[][] getParameterAnnotations() {
40 return null;
41 }
42 AnnotationBinding[] getParameterAnnotations(int paramIndex) {
43 return Binding.NO_ANNOTATIONS;
44 }
45 AnnotationHolder setAnnotations(AnnotationBinding[] annotations) {
46 if (annotations == null || annotations.length == 0)
47 return null;
49 this.annotations = annotations;
50 return this;
51 }
52
53 static class MethodHolder extends AnnotationHolder {
54 AnnotationBinding[][] parameterAnnotations;
56 MethodHolder(AnnotationBinding[] annotations, AnnotationBinding[][] parameterAnnotations) {
57 super();
58 setAnnotations(annotations);
59 this.parameterAnnotations = parameterAnnotations;
60 }
61 public AnnotationBinding[][] getParameterAnnotations() {
62 return this.parameterAnnotations;
63 }
64 AnnotationBinding[] getParameterAnnotations(int paramIndex) {
65 AnnotationBinding[] result = this.parameterAnnotations == null ? null : this.parameterAnnotations[paramIndex];
66 return result == null ? Binding.NO_ANNOTATIONS : result;
67 }
68 AnnotationHolder setAnnotations(AnnotationBinding[] annotations) {
69 this.annotations = annotations == null || annotations.length == 0 ? Binding.NO_ANNOTATIONS : annotations;
70 return this;
71 }
72 }
73
74 static class AnnotationMethodHolder extends MethodHolder {
75 Object defaultValue;
76
77 AnnotationMethodHolder(AnnotationBinding[] annotations, AnnotationBinding[][] parameterAnnotations, Object defaultValue) {
78 super(annotations, parameterAnnotations);
79 this.defaultValue = defaultValue;
80 }
81 Object getDefaultValue() {
82 return this.defaultValue;
83 }
84 }
85 }
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