001/**
002 *   GRANITE DATA SERVICES
003 *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 *   This file is part of the Granite Data Services Platform.
006 *
007 *   Granite Data Services is free software; you can redistribute it and/or
008 *   modify it under the terms of the GNU Lesser General Public
009 *   License as published by the Free Software Foundation; either
010 *   version 2.1 of the License, or (at your option) any later version.
011 *
012 *   Granite Data Services is distributed in the hope that it will be useful,
013 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 *   General Public License for more details.
016 *
017 *   You should have received a copy of the GNU Lesser General Public
018 *   License along with this library; if not, write to the Free Software
019 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 *   USA, or see <http://www.gnu.org/licenses/>.
021 */
022package org.granite.config;
023
024import java.util.List;
025import java.util.Map;
026import java.util.Set;
027
028import org.granite.messaging.service.tide.TideComponentAnnotatedWithMatcher;
029import org.granite.messaging.service.tide.TideComponentInstanceOfMatcher;
030import org.granite.messaging.service.tide.TideComponentMatcher;
031import org.granite.messaging.service.tide.TideComponentNameMatcher;
032import org.granite.messaging.service.tide.TideComponentTypeMatcher;
033
034/**
035 * @author Franck WOLFF
036 */
037public class TideComponentMatcherFactory {
038
039    public TideComponentMatcher getTypeMatcher(String type, boolean disabled) throws GraniteConfigException {
040        try {
041            return new TideComponentTypeMatcher(type, disabled);
042        } catch (Exception e) {
043            throw new GraniteConfigException("Could not instantiate Tide component matcher for type: " + type, e);
044        }
045    }
046    
047    public TideComponentMatcher getNameMatcher(String name, boolean disabled) throws GraniteConfigException {
048        try {
049            return new TideComponentNameMatcher(name, disabled);
050        } catch (Exception e) {
051            throw new GraniteConfigException("Could not instantiate Tide component matcher for name: " + name, e);
052        }
053    }
054    
055    public TideComponentMatcher getInstanceOfMatcher(String type, boolean disabled) throws GraniteConfigException {
056        try {
057            return new TideComponentInstanceOfMatcher(type, disabled);
058        } catch (Exception e) {
059            throw new GraniteConfigException("Could not instantiate Tide component matcher for instance of: " + type, e);
060        }
061    }
062    
063    public TideComponentMatcher getAnnotatedWithMatcher(String type, boolean disabled) throws GraniteConfigException {
064        try {
065            return new TideComponentAnnotatedWithMatcher(type, disabled);
066        } catch (Exception e) {
067            throw new GraniteConfigException("Could not instantiate Tide component matcher for annotated with: " + type, e);
068        }
069    }
070
071    
072    public static boolean isComponentTideEnabled(
073        Map<String, Object[]> tideComponentsByName,
074        List<TideComponentMatcher> tideComponentMatchers,
075        String componentName, Set<Class<?>> componentClasses, Object componentInstance) throws GraniteConfigException {
076        
077        String key = componentName != null ? componentName : componentClasses.toString();
078        if (tideComponentsByName.containsKey(key)) {
079                if ((Integer)tideComponentsByName.get(key)[1] == componentClasses.hashCode())
080                        return (Boolean)tideComponentsByName.get(key)[0];
081        }
082
083        boolean enabled = false;
084        for (TideComponentMatcher matcher : tideComponentMatchers) {
085            if (matcher.matches(componentName, componentClasses, componentInstance, false)) {
086                enabled = true;
087                break;
088            }
089        }
090        
091        tideComponentsByName.put(key, new Object[] { enabled, componentClasses.hashCode()});
092        return enabled;
093    }
094    
095    public static boolean isComponentTideDisabled(
096        Map<String, Object[]> tideComponentsByName,
097        List<TideComponentMatcher> tideComponentMatchers,
098        String componentName, Set<Class<?>> componentClasses, Object componentInstance) throws GraniteConfigException {
099        
100        String key = componentName != null ? componentName : componentClasses.toString();
101        if (tideComponentsByName.containsKey(key)) {
102                if ((Integer)tideComponentsByName.get(key)[1] == componentClasses.hashCode())
103                        return (Boolean)tideComponentsByName.get(key)[0];
104        }
105
106        boolean disabled = false;
107        for (TideComponentMatcher matcher : tideComponentMatchers) {
108            if (matcher.matches(componentName, componentClasses, componentInstance, true)) {
109                disabled = true;
110                break;
111            }
112        }
113        
114        tideComponentsByName.put(key, new Object[] { disabled, componentClasses.hashCode()});
115        return disabled;
116    }
117}