connectasp.java

J2ME 无线通信技术应用开发源代码

//程序名ConnectASP.java，项目ConnectASP
//测试CLDC的基本连接框架：StreamConnection, ContentConnection
import javax.microedition.midlet.*;
import javax.microedition.io.*;
import java.io.*;

public class ConnectASP extends MIDlet {
	public void startApp() {
    try {
      testASP();//测试StreamConnection
    } catch (IOException e) {
      System.out.println("error.");
    }
		notifyDestroyed();//测试完毕后关闭应用程序
	}
  
  void testASP() throws IOException{
    try {
      String uri ="http://localhost:5439/asp/ConnectASP.asp?message=Hello+J2ME!";
      HttpConnection conn = (HttpConnection)Connector.open( uri );
      InputStream in = conn.openInputStream();
      int ch;
      while( ( ch = in.read() ) != -1 ){
        System.out.print( (char) ch );
      }
      in.close();
      conn.close();
    } catch( ConnectionNotFoundException e ){
      System.out.println( "Http could not be opened" );
    }
  }

	public void pauseApp() {
	}

	public void destroyApp( boolean unconditional ) {
	}
}