001/*
002 * (C) Copyright 2013 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 *     Arnaud Kervern
018 */
019
020package org.nuxeo.ecm.platform.web.common.requestcontroller.service;
021
022import java.util.HashMap;
023import java.util.Map;
024import java.util.regex.Pattern;
025
026import org.apache.commons.logging.Log;
027import org.apache.commons.logging.LogFactory;
028import org.nuxeo.runtime.model.ContributionFragmentRegistry;
029
030/**
031 * Nuxeo Cors filter description registry model.
032 *
033 * @author <a href="mailto:ak@nuxeo.com">Arnaud Kervern</a>
034 * @since 5.7.2
035 */
036public class NuxeoCorsFilterDescriptorRegistry extends ContributionFragmentRegistry<NuxeoCorsFilterDescriptor> {
037
038    protected Map<String, NuxeoCorsFilterDescriptor> descs = new HashMap<>();
039
040    @Override
041    public String getContributionId(NuxeoCorsFilterDescriptor contrib) {
042        return contrib.name;
043    }
044
045    @Override
046    public void contributionUpdated(String id, NuxeoCorsFilterDescriptor contrib,
047            NuxeoCorsFilterDescriptor newOrigContrib) {
048        if (descs.containsKey(id)) {
049            descs.remove(id);
050        }
051
052        if (contrib.enabled) {
053            descs.put(id, contrib);
054        }
055    }
056
057    @Override
058    public void contributionRemoved(String id, NuxeoCorsFilterDescriptor origContrib) {
059        if (descs.containsKey(id)) {
060            descs.remove(id);
061        }
062    }
063
064    @Override
065    public NuxeoCorsFilterDescriptor clone(NuxeoCorsFilterDescriptor orig) {
066        try {
067            return orig.clone();
068        } catch (CloneNotSupportedException e) {
069            // Should never happens...
070            return null;
071        }
072    }
073
074    @Override
075    public void merge(NuxeoCorsFilterDescriptor src, NuxeoCorsFilterDescriptor dst) {
076        dst.merge(src);
077    }
078
079    public NuxeoCorsFilterDescriptor getFirstMatchingDescriptor(String uri) {
080        for (NuxeoCorsFilterDescriptor filterDesc : descs.values()) {
081            Pattern pattern = Pattern.compile(filterDesc.pattern);
082            if (pattern.matcher(uri).matches()) {
083                return filterDesc;
084            }
085        }
086        return null;
087    }
088}