/*
    * 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 org.seasar.tuigwaa.cms.core;
  
  import java.text.ParseException;
  import java.text.SimpleDateFormat;
  import java.util.Date;
  import java.util.Properties;
  import java.util.TimeZone;
  
  import com.isenshi.util.CharUtil;
  
  /***
   * @author nishioka
   */
  public class ResourceImpl implements Resource, Cloneable{
  	
  	private String path; //identifier
  
  	private String siteName;
  				
  	private String creationUser;
  		
  	private String creationDate;
  	
  	private String modificationUser;
  		
  	private String modificationDate;
  	
  	private int contentLength;
  	
  	private String contentType;
  	
  	private boolean folder = false;
  	
  	private boolean persistent = true;
  	
  	private volatile int hashCode = 0;
  	
  	private String version;
  	
  	private Properties properties;	
  
  	/***
  	 * From NodeRevisionDescriptor source, this format is copied. Because access
  	 * to "creationDateFormat" is restricted within protected scope. It is
  	 * exposed to the danger of change of format of slide itself.
  	 */
  	public static final SimpleDateFormat CREATIONDATE_FORMAT = new SimpleDateFormat(
  			"yyyy-MM-dd'T'HH:mm:ss'Z'");
  	static {
  		CREATIONDATE_FORMAT.setTimeZone(TimeZone.getTimeZone("GMT"));
  	}
  	
  	public ResourceImpl(String siteName, String path, String contentType){
  		this(siteName,path,contentType,false);
  	}
  		
  	public ResourceImpl(String siteName, String path, String contentType, boolean folder){
  		this.siteName = siteName;
  		this.path  = CharUtil.charpop(path, '/');
  		this.path = CharUtil.chartrim(this.path,'/');
  		this.contentType = contentType;
  		this.folder = folder;
  		if(folder){
  			this.path = this.path + "/";
  		}
  	}
  		
  	public String getContentType() {
  		return contentType;
  	}
  
  	public void setContentType(String contentType) {
  		this.contentType = contentType;
  	}
  
  	public String getCreationDate() {
  		Date date = getCreationDateAsDate();
  		return (date == null) ? creationDate: CmsConstants.DATEFORMAT.format(date);		
  	}
  	
  	public Date getCreationDateAsDate(){
  		Date date = null;
  		if(creationDate != null){
  			try {				
 				date = CREATIONDATE_FORMAT.parse(creationDate);
 				
 			} catch (ParseException pe) {
 				// do nothing
 			}catch(NumberFormatException e){
 				// do nothing
 			}
 		}
 		return date;		
 	}
 
 	public void setCreationDate(String creationDate) {
 		this.creationDate = creationDate;
 	}
 
 	public String getCreationUser() {
 		return creationUser;
 	}
 
 	public void setCreationUser(String creationUser) {
 		this.creationUser = creationUser;
 	}
 
 	public boolean isFolder() {
 		return folder;
 	}
 
 	public void setFolder(boolean folder) {
 		this.folder = folder;
 	}
 	
 	public boolean isFile(){
 		return !this.folder;
 	}
 
 	public String getModificationUser() {
 		return modificationUser;
 	}
 
 	public void setModificationUser(String modificationUser) {
 		this.modificationUser = modificationUser;
 	}
 
 	public String getModificationDate() {
 		Date date = getModificationDateAsDate();
 		return (date == null) ? modificationDate: CmsConstants.DATEFORMAT.format(date);
 	}
 	
 	public Date getModificationDateAsDate() {
 		Date date = null;
 		if(modificationDate != null){
 			try {
 				date = CREATIONDATE_FORMAT.parse(modificationDate);				
 			} catch (ParseException pe) {
 				// do nothing
 			}catch(NumberFormatException e){
 				
 			}
 		}		
 		return date;
 	}
 	
 	public void setModificationDate(String modificationDate) {
 		this.modificationDate = modificationDate;
 	}	
 		
 	public String getPath() {
 		return path;
 	}
 
 	public void setPath(String path) {
 		this.path = path;
 	}
 
 	public String getSiteName() {
 		return siteName;
 	}
 
 	public void setSiteName(String siteName) {
 		this.siteName = siteName;
 	}
 	
 	public String getParentPath(){
 		int idx = CharUtil.chartrim(path, '/').lastIndexOf('/');
 		return (idx != -1)? path.substring(0, idx): "" ;	
 	}
 	
 	public String getPageName(){
 		String[] names = path.split("/");
 		return names[names.length-1];		
 	}
 
 	public boolean isPersistent() {
 		return persistent;
 	}
 
 	public void setPersistent(boolean persistent) {
 		this.persistent = persistent;
 	}
 	
 	public void setVersion(String version) {
 		this.version = version;
 	}
 	
 	public String getVersion() {
 		return version;
 	}
 
 	public int getContentLength() {
 		return contentLength;
 	}
 	
 	public void setContentLength(int contentLength) {
 		this.contentLength = contentLength;
 	}
 	
 	public void setProperties(Properties properties) {
 		this.properties = properties;		
 	}
 
 	public Properties getProperties() {
 		return properties;
 	}
 	
 	public String getProperty(String key){
 		if(properties == null) return null;		
 		return properties.getProperty(key);
 	}
 			
 	public boolean equals(Object obj) {
 		if (obj == this)
 			return true;
 		if (!(obj instanceof ResourceImpl))
 			return false;
 
 		ResourceImpl o = (ResourceImpl)obj;				
 		return this.path.equals(o.path) && this.siteName.equals(o.siteName);
 	}
 
 	public int hashCode() {
 
 		int seed = 17;
 		int weight = 37;
 		
 		if (this.hashCode == 0) {
 			this.hashCode = seed;
 			this.hashCode += weight * this.path.hashCode();
 			this.hashCode += weight * this.siteName.hashCode();
 		}
 		return this.hashCode;
 	}
 	
 	public Resource getClone(){
 		try {
 			return (Resource) super.clone();
 		} catch (CloneNotSupportedException e) {
 			e.printStackTrace();
 			return null;
 		}
 	}
 }