001/*
002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the Eclipse Public License v1.0
006 * which accompanies this distribution, and is available at
007 * http://www.eclipse.org/legal/epl-v10.html
008 *
009 * Contributors:
010 *     bstefanescu
011 */
012package org.nuxeo.ecm.webengine.jaxrs.scan;
013
014import java.io.IOException;
015import java.util.ArrayList;
016import java.util.List;
017import java.util.Set;
018
019import org.objectweb.asm.AnnotationVisitor;
020import org.objectweb.asm.ClassVisitor;
021import org.objectweb.asm.Opcodes;
022
023/**
024 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
025 */
026public class AnnotationReader extends ClassVisitor {
027
028    protected Set<String> annotations;
029
030    protected List<String> results;
031
032    protected String cname;
033
034    public AnnotationReader(Set<String> annotations) throws IOException {
035        super(Opcodes.ASM5);
036        results = new ArrayList<String>();
037        this.annotations = annotations;
038    }
039
040    public String getClassName() {
041        return cname.replace('/', '.');
042    }
043
044    public String getFileName() {
045        return cname;
046    }
047
048    public List<String> getResults() {
049        return results;
050    }
051
052    public boolean hasResults() {
053        return !results.isEmpty();
054    }
055
056    @Override
057    public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
058        cname = name;
059    }
060
061    @Override
062    public AnnotationVisitor visitAnnotation(String arg0, boolean arg1) {
063        if (annotations.contains(arg0)) {
064            results.add(arg0);
065        }
066        return null;
067    }
068
069}