001/*
002 * (C) Copyright 2006-2007 Nuxeo SAS (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a>
016 *
017 * $Id: URLServiceComponent.java 28924 2008-01-10 14:04:05Z sfermigier $
018 */
019
020package org.nuxeo.ecm.platform.ui.web.rest.services;
021
022import org.nuxeo.ecm.platform.ui.web.rest.api.URLPolicyService;
023import org.nuxeo.ecm.platform.ui.web.rest.descriptors.URLPatternDescriptor;
024import org.nuxeo.runtime.model.ComponentContext;
025import org.nuxeo.runtime.model.ComponentInstance;
026import org.nuxeo.runtime.model.DefaultComponent;
027
028/**
029 * Component registering url policies and document view codecs.
030 *
031 * @author <a href="mailto:at@nuxeo.com">Anahide Tchertchian</a>
032 */
033public class URLServiceComponent extends DefaultComponent {
034
035    public static final String NAME = URLServiceComponent.class.getName();
036
037    public static final String URL_PATTERNS_EXTENSION_POINT = "urlpatterns";
038
039    protected URLPolicyService urlPolicyService;
040
041    @Override
042    public void activate(ComponentContext context) {
043        urlPolicyService = new URLPolicyServiceImpl();
044    }
045
046    @Override
047    public void deactivate(ComponentContext context) {
048        urlPolicyService.clear();
049        urlPolicyService = null;
050    }
051
052    @Override
053    @SuppressWarnings("unchecked")
054    public <T> T getAdapter(Class<T> adapter) {
055        if (adapter.isAssignableFrom(URLPolicyService.class)) {
056            return (T) urlPolicyService;
057        }
058        return null;
059    }
060
061    @Override
062    public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) {
063        if (URL_PATTERNS_EXTENSION_POINT.equals(extensionPoint)) {
064            urlPolicyService.addPatternDescriptor((URLPatternDescriptor) contribution);
065        }
066    }
067
068    @Override
069    public void unregisterContribution(Object contribution, String extensionPoint, ComponentInstance contributor) {
070        if (URL_PATTERNS_EXTENSION_POINT.equals(extensionPoint)) {
071            urlPolicyService.removePatternDescriptor((URLPatternDescriptor) contribution);
072        }
073    }
074
075}