tcubaseitemstr.java

为公司做的质量考核接口源码,用spring,hibernate,XML实现,对XML接口编程很有帮助

package com.jr81.source.stream;
//package dataTransPackage;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import com.jr81.common.JrUtility;


public class TcuBaseItemSTR extends Object {
	private int NameLength=0;
	private int ValueLength=0;
	private int Size=0;
	private int ItemTag=0;
	protected byte[] Name=null ;
	protected byte[] Value=null;
	
	
	public void Clear() {
		Name = null ;
		Value = null;		
		Size=0;
	}
	/**
	 * @param value
	 */
	public void Assign(TcuBaseItemSTR value) {
		Clear();
		setName( value.getName());
		setValue ( value.getValue());
		setItemTag(value.getItemTag());
	}
	
	/**
	 * @return
	 * @throws IOException 
	 */
	private ByteArrayOutputStream toStream() throws IOException {
		try{
			ByteArrayOutputStream value=new ByteArrayOutputStream(12+NameLength+ValueLength);
			byte[] inLength = new byte[4];
			inLength = JrUtility.int2bytes(NameLength);
			value.write(inLength,0,4);
			
			inLength = JrUtility.int2bytes(ValueLength);
			value.write(inLength,0,4);
			
			inLength = JrUtility.int2bytes(ItemTag);
			value.write(inLength,0,4);
			
			value.write(Name,0,NameLength);
			value.write(Value,0,ValueLength);
			//value.write(Value,0,ValueLength);
			return value;
		}catch (Exception e){
			e.printStackTrace();
			return null;
		}	
	}
	
	public byte[] toByteArray() throws IOException{
		ByteArrayOutputStream ou=(ByteArrayOutputStream)toStream();
		try{
			return ou.toByteArray();
		}finally{
			ou.close();
			ou=null;
			//System.gc();
		}
		//return ((ByteArrayOutputStream)toStream()).toByteArray();
	}
	
	private boolean fromStream(InputStream value) throws IOException{
		Clear();
		
		byte[] inLength = new byte[4];
		value.read(inLength,0,4);
		NameLength = JrUtility.bytes2int(inLength);
		
		value.read(inLength,0,4);
		ValueLength = JrUtility.bytes2int(inLength);
		
		value.read(inLength,0,4);
		ItemTag = JrUtility.bytes2int(inLength);
		
		Name=new byte[NameLength];
		value.read(Name,0,NameLength);
		
		Value=new byte[ValueLength];
		value.read(Value,0,ValueLength);
		//System.out.println(new String(Value));		
		
		//写入Size
		Size=12+ValueLength+NameLength;		
		return true;			
	}
	
	public boolean fromByteArray(byte[] value) throws IOException{
		ByteArrayInputStream in=new ByteArrayInputStream(value);
		try{
			return fromStream(in);
		}finally{
			in.close();
			in=null;
			//System.gc();
		}		
	}
	/**
	 * @return 返回 name。
	 */
	public byte[] getName() {
		return Name;
	}
	/**
	 * @param name 要设置的 name。
	 */
	public void setName(byte[] name) {
		NameLength=name.length;
		Name=new byte[NameLength];
		Size=12+ValueLength+NameLength;
		//Name = name;
		System.arraycopy(name,0,Name,0,NameLength);
	}
	/**
	 * @return 返回 nameLength。
	 */
	public int getNameLength() {
		return NameLength;
	}
	/**
	 * @return 返回 value。
	 */
	public byte[] getValue() {
		return Value;
	}
	/**
	 * @param value 要设置的 value。
	 */
	public void setValue(byte[] value) {
		//Value = value;
		//ValueLength=value.length;
		ValueLength=value.length;
		Value=new byte[ValueLength];
		Size=12+ValueLength+NameLength;
		//Name = name;
		System.arraycopy(value,0,Value,0,ValueLength);
	}
	/**
	 * @return 返回 valueLength。
	 */
	public int getValueLength() {
		return ValueLength;
	}
	/**
	 * @param valueLength 要设置的 valueLength。
	 */
	public void setValueLength(int valueLength) {
		ValueLength = valueLength;
	}
	
	public static void main(String[] args) {
		// TODO 自动生成方法存根
		try{
		TcuBaseItemSTR Test=new TcuBaseItemSTR();
		Test.setName("Test".getBytes());
		String value="My name is Sanlen";
		Test.setValue(value.getBytes());
		//Test.setValueLength(value.length());
		
		ByteArrayOutputStream out;
		out=(ByteArrayOutputStream)	Test.toStream();
		//Test.toStream(out);
		OutputStream Out=new FileOutputStream("c:\\1.txt");
		Out.write(out.toByteArray());
		
		
		ByteArrayInputStream in=new ByteArrayInputStream(out.toByteArray());
		
		TcuBaseItemSTR Test2=new TcuBaseItemSTR();
		Test2.fromStream(in);
		String ddd = new String(Test2.getValue());
		System.out.println(ddd);
		
		TcuBaseItemSTR Test3=new TcuBaseItemSTR();
		Test3.Assign(Test);
		String ccc = new String(Test3.getValue());
		ccc+="YYY";
		System.out.println(ccc);
		System.out.print(Test3.getSize());
		
		}catch(Exception e){
			e.printStackTrace();			
		}
		
	}
	/**
	 * @param nameLength 要设置的 nameLength。
	 */
	public void setNameLength(int nameLength) {
		NameLength = nameLength;
	}
	/**
	 * @return 返回 size。
	 */
	public int getSize() {
		return Size;
	}
	/**
	 * @param size 要设置的 size。
	 */
	public void setSize(int size) {
		Size = size;
	}
	/**
	 * @return 返回 itemLevel。
	 */
	public int getItemTag() {
		return ItemTag;
	}
	/**
	 * @param itemLevel 要设置的 itemLevel。
	 */
	public void setItemTag(int itemTag) {
		ItemTag = itemTag;
	}
}