com.bstek.dorado.view.registry.DefaultComponentTypeRegistry.java Source code

Introduction

Here is the source code for com.bstek.dorado.view.registry.DefaultComponentTypeRegistry.java

Source

/*
 * This file is part of Dorado 7.x (http://dorado7.bsdn.org).
 * 
 * Copyright (c) 2002-2012 BSTEK Corp. All rights reserved.
 * 
 * This file is dual-licensed under the AGPLv3 (http://www.gnu.org/licenses/agpl-3.0.html) 
 * and BSDN commercial (http://www.bsdn.org/licenses) licenses.
 * 
 * If you are unsure which license is appropriate for your use, please contact the sales department
 * at http://www.bstek.com/contact.
 */

package com.bstek.dorado.view.registry;

import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;

import org.apache.commons.collections.set.UnmodifiableSet;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.bstek.dorado.util.clazz.ClassTypeRegistry;
import com.bstek.dorado.view.widget.Component;

/**
 * ??
 * 
 * @author Benny Bao (mailto:benny.bao@bstek.com)
 * @since Jan 21, 2008
 */
public class DefaultComponentTypeRegistry implements ComponentTypeRegistry {
    private static final Log logger = LogFactory.getLog(DefaultComponentTypeRegistry.class);

    private ClassTypeRegistry<ComponentTypeRegisterInfo> classTypeRegistry = new ClassTypeRegistry<ComponentTypeRegisterInfo>();
    private Map<String, ComponentTypeRegisterInfo> registerInfoMap = new HashMap<String, ComponentTypeRegisterInfo>();
    private Set<ComponentTypeRegisterInfo> registerInfoSet = new LinkedHashSet<ComponentTypeRegisterInfo>();

    public void registerType(ComponentTypeRegisterInfo registerInfo) {
        registerInfoMap.put(registerInfo.getName(), registerInfo);
        Class<? extends Component> classType = registerInfo.getClassType();
        if (classType != null) {
            classTypeRegistry.registerType(classType, registerInfo);
        }
        registerInfoSet.add(registerInfo);
    }

    private ComponentTypeRegisterInfo initializeRefisterInfo(ComponentTypeRegisterInfo registerInfo) {
        try {
            if (registerInfo instanceof LazyInitailizeComponentTypeRegistryInfo) {
                LazyInitailizeComponentTypeRegistryInfo lazyRegistryInfo = (LazyInitailizeComponentTypeRegistryInfo) registerInfo;
                if (!lazyRegistryInfo.isInitialized()) {
                    lazyRegistryInfo.initialize();
                }
            }
            return registerInfo;
        } catch (Exception e) {
            logger.error(e, e);
            return null;
        }
    }

    public ComponentTypeRegisterInfo getRegisterInfo(String componentName) {
        ComponentTypeRegisterInfo registerInfo = registerInfoMap.get(componentName);
        return initializeRefisterInfo(registerInfo);
    }

    public ComponentTypeRegisterInfo getRegisterInfo(Class<?> componentType) {
        ComponentTypeRegisterInfo registerInfo = classTypeRegistry.getMatchingValue(componentType);
        return initializeRefisterInfo(registerInfo);
    }

    @SuppressWarnings("unchecked")
    public Collection<ComponentTypeRegisterInfo> getRegisterInfos() {
        for (ComponentTypeRegisterInfo registerInfo : registerInfoSet) {
            initializeRefisterInfo(registerInfo);
        }
        return UnmodifiableSet.decorate(registerInfoSet);
    }
}