001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.ecm.webengine.jaxrs.scan;
020
021import java.io.IOException;
022import java.util.Set;
023
024import javax.ws.rs.core.Application;
025
026import org.osgi.framework.Bundle;
027
028/**
029 * @author <a href="mailto:[email protected]">Bogdan Stefanescu</a>
030 */
031public abstract class DynamicApplication extends Application {
032
033    protected abstract Bundle getBundle();
034
035    protected String getPackageBase() {
036        String packageBase = getClass().getName();
037        int i = packageBase.lastIndexOf('.');
038        if (i > -1) {
039            packageBase = packageBase.substring(0, i);
040        }
041        return packageBase.replace('.', '/');
042    }
043
044    @Override
045    public Set<Class<?>> getClasses() {
046        try {
047            Scanner scanner = new Scanner(getBundle(), getPackageBase());
048            scanner.scan();
049            return scanner.getClasses();
050        } catch (ReflectiveOperationException | IOException e) {
051            throw new RuntimeException("Failed to scan classes", e);
052        }
053    }
054
055}