package railo.commons.io.res.type.cache;

import java.io.Serializable;

/**
 * Core of a Ram Resource, holds the concrete data for a existing resource
 */
public final class CacheResourceCore implements Serializable {


	/**
	 * Directory Resource
	 */
	public static final int TYPE_DIRECTORY=1;

	/**
	 * Directory Resource
	 */
	public static final int TYPE_FILE=2;

	
	private int type;
	private String name;
	private byte[] data;
	private long lastModified=System.currentTimeMillis();

	private int mode=0777;
	private int attributes=0;

	private String path;
	
	/**
	 * Konstruktor
	 * @param parent
	 * @param type
	 * @param name
	 * @param caseSensitive 
	 */
	public CacheResourceCore(int type,String path,String name) {
		this.type=type;
		this.path=path;
		this.name=name;
	}


	/**
	 * Gibt den Feldnamen lastModified zurueck.
	 * @return lastModified
	 */
	public long getLastModified() {
		return this.lastModified;
	}

	/**
	 * Setzt den Feldnamen lastModified.
	 * @param lastModified lastModified 
	 */
	public void setLastModified(long lastModified) {
		this.lastModified = lastModified;
	}

	/**
	 * Gibt den Feldnamen data zurueck.
	 * @return data
	 */
	public byte[] getData() {
		return this.data;
	}

	/**
	 * Setzt den Feldnamen data.
	 * @param data data 
	 * @param append 
	 */
	public void setData(byte[] data,boolean append) {
		lastModified=System.currentTimeMillis();
		
		// set data
		if(append) {
			if(this.data!=null && data!=null) {
				byte[] newData=new byte[this.data.length+data.length];
				int i=0;
				for(;i<this.data.length;i++) {
					newData[i]=this.data[i];
				}
				for(;i<this.data.length+data.length;i++) {
					newData[i]=data[i-this.data.length];
				}
				this.data=newData;
			}
			else if(data!=null) {
				this.data=data;
			}
		}
		else {
			this.data=data;
		}
		
		// set type
		if(this.data!=null) this.type=TYPE_FILE;
		
	}

	/**
	 * Gibt den Feldnamen name zurueck.
	 * @return name
	 */
	public String getName() {
		return this.name;
	}

	/**
	 * Setzt den Feldnamen name.
	 * @param name name 
	 */
	public void setName(String name) {
		lastModified=System.currentTimeMillis();
		this.name = name;
	}
	

	/**
	 * @return the path
	 */
	public String getPath() {
		return path;
	}

	/**
	 * Gibt den Feldnamen type zurueck.
	 * @return type
	 */
	public int getType() {
		return this.type;
	}

	/**
	 * Setzt den Feldnamen type.
	 * @param type type 
	 */
	public void setType(int type) {
		lastModified=System.currentTimeMillis();
		this.type = type;
	}
	
	/**
	 * @return the mode
	 */
	public int getMode() {
		return mode;
	}

	/**
	 * @param mode the mode to set
	 */
	public void setMode(int mode) {
		this.mode=mode;
	}
	
	public int getAttributes() {
		return attributes;
	}
	
	public void setAttributes(int attributes) {
		this.attributes=attributes;
	}

	public void remove() {
		setType(0);
		setData(null,false);
	}

}