FilterAnnotationCollector.java

/**
 * Copyright (C) 2010 Daniel Manzke <daniel.manzke@googlemail.com>
 *
 * 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 de.devsurf.injection.guice.scanner.sonatype;

import java.net.URL;

import org.objectweb.asm.ClassVisitor;
import org.sonatype.guice.bean.reflect.ClassSpace;
import org.sonatype.guice.bean.scanners.ClassSpaceVisitor;

import de.devsurf.injection.guice.scanner.asm.AnnotationCollector;

/**
 * Visitor implementation to collect field annotation information from class.
 * 
 * @author Daniel Manzke
 */
public abstract class FilterAnnotationCollector extends AnnotationCollector implements
		ClassSpaceVisitor {
	public FilterAnnotationCollector() {
		super();
	}

	@Override
	public void visit(int version, int access, String name, String signature, String superName,
			String[] interfaces) {
		_name = name.replace('/', '.');
		if (!matches(_name)) {
			_ignore = true;
			return;
		}
		for (String interf : interfaces) {
			if (interf.equals("java/lang/annotation/Annotation")) {
				_ignore = true;
				return;
			}
		}
	}

	public abstract boolean matches(String name);

	@Override
	public void visit(ClassSpace space) {
	}

	@Override
	public ClassVisitor visitClass(URL url) {
		return this;
	}
}