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/*
* Copyright 2006 Amazon Technologies, Inc. or its affiliates.
* Amazon, Amazon.com and Carbonado are trademarks or registered trademarks
* of Amazon Technologies, Inc. or its affiliates. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.amazon.carbonado.util;
import java.util.Stack;
import org.cojen.classfile.TypeDesc;
import org.cojen.classfile.attribute.Annotation;
/**
* Builds all Annotation properties to a Cojen Annotation definition.
*
* @author Brian S O'Neill
*/
public class AnnotationBuilder extends AnnotationVisitor<Object, Annotation> {
// Stack for building arrays of annotations.
private Stack<Annotation.MemberValue[]> mStack;
public AnnotationBuilder() {
super(false);
mStack = new Stack<Annotation.MemberValue[]>();
}
@Override
public Object visit(String name, int pos, java.lang.annotation.Annotation value,
Annotation ann)
{
if (name == null && mStack.size() == 0) {
// Root annotation.
super.visit(name, pos, value, ann);
} else {
// Nested annotation.
Annotation nested = ann.makeAnnotation();
nested.setType(TypeDesc.forClass(value.annotationType()));
super.visit(name, pos, value, nested);
put(ann, name, pos, ann.makeMemberValue(nested));
}
return null;
}
@Override
public Object visit(String name, int pos, int value, Annotation ann) {
put(ann, name, pos, ann.makeMemberValue(value));
return null;
}
@Override
public Object visit(String name, int pos, long value, Annotation ann) {
put(ann, name, pos, ann.makeMemberValue(value));
return null;
}
@Override
public Object visit(String name, int pos, float value, Annotation ann) {
put(ann, name, pos, ann.makeMemberValue(value));
return null;
}
@Override
public Object visit(String name, int pos, double value, Annotation ann) {
put(ann, name, pos, ann.makeMemberValue(value));
return null;
}
@Override
public Object visit(String name, int pos, boolean value, Annotation ann) {
put(ann, name, pos, ann.makeMemberValue(value));
return null;
}
@Override
public Object visit(String name, int pos, byte value, Annotation ann) {
put(ann, name, pos, ann.makeMemberValue(value));
return null;
}
@Override
public Object visit(String name, int pos, short value, Annotation ann) {
put(ann, name, pos, ann.makeMemberValue(value));
return null;
}
@Override
public Object visit(String name, int pos, char value, Annotation ann) {
put(ann, name, pos, ann.makeMemberValue(value));
return null;
}
@Override
public Object visit(String name, int pos, String value, Annotation ann) {
put(ann, name, pos, ann.makeMemberValue(value));
return null;
}
@Override
public Object visit(String name, int pos, Class value, Annotation ann) {
put(ann, name, pos, ann.makeMemberValue(TypeDesc.forClass(value)));
return null;
}
@Override
public Object visit(String name, int pos, Enum value, Annotation ann) {
put(ann, name, pos,
ann.makeMemberValue(TypeDesc.forClass(value.getDeclaringClass()), value.name()));
return null;
}
@Override
public Object visit(String name, int pos, java.lang.annotation.Annotation[] value,
Annotation ann)
{
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, int[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, long[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, float[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, double[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, boolean[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, byte[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, short[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, char[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, String[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, Class[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
@Override
public Object visit(String name, int pos, Enum[] value, Annotation ann) {
mStack.push(new Annotation.MemberValue[value.length]);
super.visit(name, pos, value, ann);
put(ann, name, pos, ann.makeMemberValue(mStack.pop()));
return null;
}
private void put(Annotation ann, String name, int pos, Annotation.MemberValue mv) {
if (name == null) {
mStack.peek()[pos] = mv;
} else {
ann.putMemberValue(name, mv);
}
}
}
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