/*
    * Copyright 2004-2006 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 com.isenshi.util.extlib;
  
  import java.io.File;
  import java.io.OutputStream;
  import java.io.OutputStreamWriter;
  import java.io.PrintWriter;
  import java.io.UnsupportedEncodingException;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.LinkedHashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.seasar.framework.container.ComponentDef;
  import org.seasar.framework.container.S2Container;
  import org.seasar.framework.container.factory.S2ContainerFactory;
  import org.seasar.framework.container.factory.SingletonS2ContainerFactory;
  
  import com.isenshi.util.DiconStringBuffer;
  import com.isenshi.util.ResourceUtils;
  
  public class DiconResource {
  
  	private static final String ENCODING = "Windows-31J";
  
  	public static final String OPTION_NAME = "name";
  
  	public static final String OPTION_ASPECTS = "option.ascpects";
  
  	private Map componentMap_ = new LinkedHashMap();
  
  	private List refComponentList_ = new ArrayList();
  
  	private String path_;
  
  	private S2Container container;
  
  	private String namespace;
  
  	private Map propertiesMap = new HashMap();
  
  	public DiconResource() {
  	}
  
  	public boolean hasContainer() {
  		return container != null;
  	}
  
  	public void setPath(String path) {
  		this.path_ = path;
  	}
  
  	public void addComponent(Object component) {
  		addComponent(component, null);
  	}
  
  	public void addComponent(Object component, Map options) {
  		componentMap_.put(component, options);
  	}
  
  	public void addComponent(Object component, Map options, String[] properties) {
  		componentMap_.put(component, options);
  		propertiesMap.put(component, properties);
  	}
  
  	public void addComponentAll(Collection col) {
  		addComponentAll(col, null);
  	}
  
  	public void addComponentAll(Collection col, Map options) {
  		for (Iterator i = col.iterator(); i.hasNext();) {
  			addComponent(i.next(), options);
  		}
  	}
  
  	public void load() {
  		File file = ResourceUtils.getFile(path_);
  		if (!file.exists()) {
  			return;
  		}
  		container = S2ContainerFactory.create(path_);
  	}
 
 	public void bindRoot() {
 		if (SingletonS2ContainerFactory.hasContainer()) {
 			S2Container rootContainer = SingletonS2ContainerFactory
 					.getContainer();
 			container.setRoot(rootContainer);
 			rootContainer.include(container);
 		}
 	}
 
 	public S2Container getContainer() {
 		return container;
 	}
 	
 	public void include(String path) {
 		S2Container rootContainer = SingletonS2ContainerFactory.getContainer();
 		S2Container includeContainer = rootContainer.getDescendant(path);
 		container.include(includeContainer);
 	}
 
 	public Object[] findComponents(Object componentKey) {
 		return container.findComponents(componentKey);
 	}
 
 	public ComponentDef[] findComponentDefs(Object componentKey){
 		return container.findComponentDefs(componentKey);
 	}
 	
 	public Object getComponent(Object componentKey) {
 		return container.getComponent(componentKey);
 	}
 
 	public void save() {
 		OutputStream stream = ResourceUtils.getOutputStream(path_);
 		save(stream, null);
 	}
 
 	public void save(OutputStream stream) {
 		save(stream, null);
 	}
 
 	public void addRefComponent(Object refComponent) {
 		refComponentList_.add(refComponent);
 	}
 
 	public void setNamespace(String namespace) {
 		this.namespace = namespace;
 	}
 
 	public String getNamespace() {
 		if (hasContainer()) {
 			return container.getNamespace();
 		} else {
 			return namespace;
 		}
 	}
 
 	public void save(OutputStream stream, Map options) {
 		DiconStringBuffer buf = new DiconStringBuffer();
 		buf.appendStartComponentsTag();
 
 		if (namespace != null && namespace.length() > 0) {
 			buf.appendAttribute("namespace", namespace);
 		}
 
 		buf.setReferenceComponents(refComponentList_);
 
 		Iterator itr = componentMap_.keySet().iterator();
 		while (itr.hasNext()) {
 			Object component = itr.next();
 			Map componentOptions = (Map) componentMap_.get(component);
 			String[] properties = (String[]) propertiesMap.get(component);
 			if (properties != null) {
 				buf.appendComponent(component, componentOptions, properties);
 			} else {
 				buf.appendComponent(component, componentOptions);
 			}
 		}
 		buf.endComponentsTag();
 
 		PrintWriter writer = null;
 		try {
 			writer = new PrintWriter(new OutputStreamWriter(stream, ENCODING));
 		} catch (UnsupportedEncodingException e) {
 			e.printStackTrace();
 			throw new RuntimeException(e);
 		}
 		writer.write(buf.toString());
 		writer.close();
 	}
 }