com.github.trohovsky.just.visitor.AnnotationDependenciesVisitor.java Source code

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/*
 * Copyright 2014 Tomas Rohovsky
 *
 * 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.github.trohovsky.just.visitor;

import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;

import com.github.trohovsky.just.model.Dependencies;

/**
 * Visitor for collecting of annotation dependencies.
 * 
 * @author Tomas Rohovsky
 */
public class AnnotationDependenciesVisitor extends AnnotationVisitor {

    private final Dependencies dependencies;

    public AnnotationDependenciesVisitor(final Dependencies dependencies) {
        super(Opcodes.ASM5);
        this.dependencies = dependencies;
    }

    @Override
    public void visit(String name, Object value) {
        if (value instanceof Type) {
            dependencies.addType((Type) value); // @Annotation(String.class)
        }
    }

    @Override
    public void visitEnum(String name, String desc, String value) {
        dependencies.addDesc(desc);
    }

    @Override
    public AnnotationVisitor visitAnnotation(String name, String desc) {
        dependencies.addDesc(desc);
        return this;
    }

    @Override
    public AnnotationVisitor visitArray(String name) {
        return this;
    }

}