/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.teeda.core.config.faces.assembler;

 import java.util.Collections;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Map;

 import javax.faces.application.Application;

 import org.seasar.framework.util.StringUtil;

 import org.seasar.teeda.core.application.ConfigurationSupport;

 import org.seasar.teeda.core.application.ConverterConfiguration;

 import org.seasar.teeda.core.config.faces.element.ConverterElement;

 import org.seasar.teeda.core.config.faces.element.PropertyElement;

 import org.seasar.teeda.core.util.ApplicationUtil;

 import org.seasar.teeda.core.util.IteratorUtil;

 public abstract class ConverterChildAssembler implements JsfAssembler {

     private Application application_;

     private Map targetCovnerters_ = Collections.EMPTY_MAP;

     public ConverterChildAssembler(Map targetConverters) {

         application_ = ApplicationUtil.getApplicationFromFactory();

         targetCovnerters_ = targetConverters;

     }

     public void assemble() {

         String converterKey = null;

         ConverterElement converterElement = null;

         for (Iterator itr = IteratorUtil.getEntryIterator(targetCovnerters_); itr

                 .hasNext();) {

             Map.Entry entry = (Map.Entry) itr.next();

             converterKey = (String) entry.getKey();

             converterElement = (ConverterElement) entry.getValue();

             if (!StringUtil.isEmpty(converterKey) && converterElement != null) {

                 setConverterConfiguration(converterKey, converterElement);

                 doAssemble(converterKey, converterElement);

             }

         }

     }

     protected void setConverterConfiguration(String converterKey,

             ConverterElement converterElement) {

         if (converterElement == null) {

             return;

         }

         Application app = getApplication();

         if (app instanceof ConfigurationSupport) {

             List properties = converterElement.getPropertyElements();

             ConfigurationSupport support = (ConfigurationSupport) app;

             for (Iterator itr = IteratorUtil.getIterator(properties); itr

                     .hasNext();) {

                 PropertyElement property = (PropertyElement) itr.next();

                 String propertyName = property.getPropertyName();

                 String propertyClass = property.getPropertyClass();

                 String defaultValue = property.getDefaultValue();

                 if (!StringUtil.isEmpty(propertyName)

                         && !StringUtil.isEmpty(propertyClass)) {

                     doAddConverterConfiguration(support, converterKey,

                             new ConverterConfiguration(propertyName,

                                     propertyClass, defaultValue));

                 }

             }

         }

     }

     protected final Application getApplication() {

         return application_;

     }

     protected abstract void doAssemble(String converterKey,

             ConverterElement converterElement);

     protected abstract void doAddConverterConfiguration(

             ConfigurationSupport support, String converterKey,

             ConverterConfiguration configuration);

 }