private IAnnotation getAnnotation(
final org.eclipse.jdt.internal.compiler.ast.Annotation annotation,
JavaElement parentElement) {
final int typeStart = annotation.type.sourceStart();
final int typeEnd = annotation.type.sourceEnd();
final int sourceStart = annotation.sourceStart();
final int sourceEnd = annotation.declarationSourceEnd;
class LocalVarAnnotation extends Annotation {
IMemberValuePair[] memberValuePairs;
public LocalVarAnnotation(JavaElement localVar, String elementName) {
super(localVar, elementName);
}
public IMemberValuePair[] getMemberValuePairs() throws JavaModelException {
return this.memberValuePairs;
}
public ISourceRange getNameRange() throws JavaModelException {
return new SourceRange(typeStart, typeEnd - typeStart + 1);
}
public ISourceRange getSourceRange() throws JavaModelException {
return new SourceRange(sourceStart, sourceEnd - sourceStart + 1);
}
public boolean exists() {
return this.parent.exists();
}
}
String annotationName =
new String(CharOperation.concatWith(annotation.type.getTypeName(), '.'));
LocalVarAnnotation localVarAnnotation = new LocalVarAnnotation(parentElement, annotationName);
org.eclipse.jdt.internal.compiler.ast.MemberValuePair[] astMemberValuePairs =
annotation.memberValuePairs();
int length;
IMemberValuePair[] memberValuePairs;
if (astMemberValuePairs == null || (length = astMemberValuePairs.length) == 0) {
memberValuePairs = Annotation.NO_MEMBER_VALUE_PAIRS;
} else {
memberValuePairs = new IMemberValuePair[length];
for (int i = 0; i < length; i++) {
org.eclipse.jdt.internal.compiler.ast.MemberValuePair astMemberValuePair =
astMemberValuePairs[i];
MemberValuePair memberValuePair = new MemberValuePair(new String(astMemberValuePair.name));
memberValuePair.value =
getAnnotationMemberValue(memberValuePair, astMemberValuePair.value, localVarAnnotation);
memberValuePairs[i] = memberValuePair;
}
}
localVarAnnotation.memberValuePairs = memberValuePairs;
return localVarAnnotation;
}
/*
* Creates the value wrapper from the given expression, and sets the valueKind on the given memberValuePair
*/
private Object getAnnotationMemberValue(
MemberValuePair memberValuePair, Expression expression, JavaElement parentElement) {
if (expression instanceof NullLiteral) {
return null;
} else if (expression instanceof Literal) {
((Literal) expression).computeConstant();
return Util.getAnnotationMemberValue(memberValuePair, expression.constant);
} else if (expression instanceof org.eclipse.jdt.internal.compiler.ast.Annotation) {
memberValuePair.valueKind = IMemberValuePair.K_ANNOTATION;
return getAnnotation(
(org.eclipse.jdt.internal.compiler.ast.Annotation) expression, parentElement);
} else if (expression instanceof ClassLiteralAccess) {
ClassLiteralAccess classLiteral = (ClassLiteralAccess) expression;
char[] typeName = CharOperation.concatWith(classLiteral.type.getTypeName(), '.');
memberValuePair.valueKind = IMemberValuePair.K_CLASS;
return new String(typeName);
} else if (expression instanceof QualifiedNameReference) {
char[] qualifiedName =
CharOperation.concatWith(((QualifiedNameReference) expression).tokens, '.');
memberValuePair.valueKind = IMemberValuePair.K_QUALIFIED_NAME;
return new String(qualifiedName);
} else if (expression instanceof SingleNameReference) {
char[] simpleName = ((SingleNameReference) expression).token;
if (simpleName == RecoveryScanner.FAKE_IDENTIFIER) {
memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
return null;
}
memberValuePair.valueKind = IMemberValuePair.K_SIMPLE_NAME;
return new String(simpleName);
} else if (expression instanceof ArrayInitializer) {
memberValuePair.valueKind = -1; // modified below by the first call to getMemberValue(...)
Expression[] expressions = ((ArrayInitializer) expression).expressions;
int length = expressions == null ? 0 : expressions.length;
Object[] values = new Object[length];
for (int i = 0; i < length; i++) {
int previousValueKind = memberValuePair.valueKind;
Object value = getAnnotationMemberValue(memberValuePair, expressions[i], parentElement);
if (previousValueKind != -1 && memberValuePair.valueKind != previousValueKind) {
// values are heterogeneous, value kind is thus unknown
memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
}
values[i] = value;
}
if (memberValuePair.valueKind == -1) memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
return values;
} else {
memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
return null;
}
}