/*
    * Copyright 2013 smartics, Kronseder & Reiner GmbH
    *
    * 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 de.smartics.properties.jboss.extension.parser;
  
  import static de.smartics.properties.jboss.extension.resources.PropertiesConfigurationResourceDefinition.AN_NAME;
  import static de.smartics.properties.jboss.extension.resources.PropertiesConfigurationResourceDefinition.CONFIGS_ELEMENT_NAME;
  import static de.smartics.properties.jboss.extension.resources.PropertiesConfigurationResourceDefinition.CONFIG_ELEMENT_NAME;
  
  import javax.xml.stream.XMLStreamException;
  
  import org.jboss.as.controller.persistence.SubsystemMarshallingContext;
  import org.jboss.dmr.ModelNode;
  import org.jboss.staxmapper.XMLElementWriter;
  import org.jboss.staxmapper.XMLExtendedStreamWriter;
  
  import de.smartics.properties.jboss.extension.SubsystemExtension;
  import de.smartics.properties.jboss.extension.resources.PropertiesConfigurationResourceDefinition;
  
  /**
   * Writer for extension configurations.
   */
  class ConfigurationWriter implements
      XMLElementWriter<SubsystemMarshallingContext>
  {
    // ********************************* Fields *********************************
  
    // --- constants ------------------------------------------------------------
  
    // --- members --------------------------------------------------------------
  
    // ****************************** Initializer *******************************
  
    // ****************************** Constructors ******************************
  
    /**
     * Default constructor.
     */
    ConfigurationWriter()
    {
    }
  
    // ****************************** Inner Classes *****************************
  
    // ********************************* Methods ********************************
  
    // --- init -----------------------------------------------------------------
  
    // --- get&set --------------------------------------------------------------
  
    // --- business -------------------------------------------------------------
  
    @Override
    public void writeContent(final XMLExtendedStreamWriter writer,
        final SubsystemMarshallingContext context) throws XMLStreamException
    {
      context.startSubsystemElement(SubsystemExtension.NAMESPACE, false);
      final ModelNode node = context.getModelNode();
      final ModelNode configs = node.get(CONFIGS_ELEMENT_NAME);
      if (configs.isDefined())
      {
        writer.writeStartElement(CONFIGS_ELEMENT_NAME);
        for (final String configName : configs.keys())
        {
          final ModelNode config = configs.get(configName);
          writeConfiguration(writer, config);
        }
        writer.writeEndElement();
      }
      writer.writeEndElement();
    }
  
    private void writeConfiguration(final XMLExtendedStreamWriter writer,
        final ModelNode config) throws XMLStreamException
    {
      writer.writeStartElement(CONFIG_ELEMENT_NAME);
  
      final String name = config.get("name").asString();
      writer.writeAttribute(AN_NAME, name);
      PropertiesConfigurationResourceDefinition.INSTANCE
          .getDefinitionsComponent().write(writer, config);
      PropertiesConfigurationResourceDefinition.INSTANCE.getCacheComponent()
          .write(writer, config);
      PropertiesConfigurationResourceDefinition.INSTANCE.getDataSourceComponent()
          .write(writer, config);
      PropertiesConfigurationResourceDefinition.INSTANCE.getSecurityComponent()
          .write(writer, config);
     PropertiesConfigurationResourceDefinition.INSTANCE.getFactoriesComponent()
         .write(writer, config);
 
     writer.writeEndElement();
   }
 
   // --- object basics --------------------------------------------------------
 
 }