datatypehelper.java

来自「短信发送」· Java 代码 · 共 75 行

/**
 * Created at Nov 20, 2008
 */
package com.jdev.net.data;

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;

/**
 * <p>Title: DataTypeHelper</p>
 * <p>Description: </p>
 * @author Lawrence
 * @version 1.0
 */
public class DataTypeHelper {
	private final static String module = DataTypeHelper.class.getName();

	public static String getString(InputStream bin) throws Exception {
		StringBuffer sb = new StringBuffer();
		try {
			InputStreamReader in = new InputStreamReader(bin, "UTF-8");
			int buffer;
			while ((buffer = in.read()) != -1) {
				sb.append((char) buffer);
			}
			in.close();

		} catch (Exception ex) {
			throw new Exception(ex);
		}
		return sb.toString();
	}

	public static Object getObject(InputStream bin) throws Exception {
		try {
			ObjectInputStream is = new ObjectInputStream(bin);
			Object object = is.readObject();
			is.close();
			return object;
		} catch (Exception ex) {
			throw new Exception(ex);
		}
	}

	public static OutputStream writeObject(Object object) throws Exception {
		try {
			OutputStream outputStream = new ByteArrayOutputStream();
			//send the request query object to the server
			ObjectOutputStream oos = new ObjectOutputStream(outputStream);
			oos.writeObject(object);
			oos.close();
			return outputStream;
		} catch (Exception ex) {
			throw new Exception(ex);
		}
	}

	public static OutputStream writeString(String strs) throws Exception {
		try {
			OutputStream outputStream = new ByteArrayOutputStream();
			byte[] bytes = strs.getBytes("UTF-8");
			outputStream.write(bytes, 0, bytes.length);
			return outputStream;

		} catch (Exception ex) {
			throw new Exception(ex);
		}
	}

}