How to encode...

Could any one please tell me how to encode
sql = "select * from all_tables" to "select%20*%20from%20all_tables"
I want to use URLEncoder.encode(String sql, String method). But I don't know the name of the method. Thank you in advance.
-myaol

As the API documentation says: "The recommended encoding scheme to use is UTF-8." So:URLEncoder.encode(sql, "UTF-8");

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I'm have the problem about it how to encoder pcm to alaw?
I find some code about it, but not work in jmf.
A friend in forum tell me write it by myself , because jmf not support for alaw.
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code like this:
capture.java
* support : locator, datasource
public class Capture extends MainFrame {
    private static final long serialVersionUID = 1L;
    private Processor cp = null;
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    private Boolean isUlaw = false;
    private MainFrame mf = null;
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        this.isMix = useVideo;
        this.mf = mf;
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        this.mf = mf;
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        this.isMix = false;
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    public MediaLocator getVideoLocator() {
        MediaLocator VideoLocator = null;
        Vector VideoCaptureList = null;
        CaptureDeviceInfo VideoCaptureDeviceInfo = null;
        VideoFormat videoFormat = new VideoFormat(VideoFormat.YUV);
        VideoCaptureList = CaptureDeviceManager.getDeviceList(videoFormat);
        if (VideoCaptureList.size() > 0) {
            VideoCaptureDeviceInfo = (CaptureDeviceInfo) VideoCaptureList.elementAt(0);
            VideoLocator = VideoCaptureDeviceInfo.getLocator();
        } else {
//--- Search video device
            VideoCaptureList = (Vector) CaptureDeviceManager.getDeviceList(null).clone();
            Enumeration getEnum = VideoCaptureList.elements();
            while (getEnum.hasMoreElements()) {
                VideoCaptureDeviceInfo = (CaptureDeviceInfo) getEnum.nextElement();
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                if (name.startsWith("vfw:")) {
                    CaptureDeviceManager.removeDevice(VideoCaptureDeviceInfo);
            int nDevices = 0;
            for (int i = 0; i < 10; i++) {
                String name = com.sun.media.protocol.vfw.VFWCapture.capGetDriverDescriptionName(i);
                if (name != null && name.length() > 1) {
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                    System.err.println("Querying device.Please wait....");
                    com.sun.media.protocol.vfw.VFWSourceStream.autoDetect(i);
                    nDevices++;
            VideoCaptureDeviceInfo = (CaptureDeviceInfo) CaptureDeviceManager.getDeviceList(videoFormat).elementAt(0);
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    public MediaLocator getAudioLocator() {
        MediaLocator AudioLocator = null;
        Vector AudioCaptureList = null;
        CaptureDeviceInfo AudioCaptureDeviceInfo = null;
        AudioFormat audioFormat = new AudioFormat(AudioFormat.LINEAR);
        AudioCaptureList = CaptureDeviceManager.getDeviceList(audioFormat);
        if (AudioCaptureList.size() > 0) {
            AudioCaptureDeviceInfo = (CaptureDeviceInfo) AudioCaptureList.elementAt(0);
            AudioLocator = AudioCaptureDeviceInfo.getLocator();
            System.out.println("get audio locator");
        } else {
            System.out.println("empty");
            AudioLocator = null;
        return AudioLocator;
    public DataSource getDataSource() {
        try {
            DataSource[] source = new DataSource[2];    //audio 0; video 1;
            source[0] = Manager.createDataSource(getAudioLocator());
            if (isMix) {
                DataSource MixDataSource = null;
                source[1] = Manager.createDataSource(getVideoLocator());
                MixDataSource = Manager.createMergingDataSource(source);
                return MixDataSource;
            } else {
                return source[0];
        } catch (Exception ex) {
            System.out.println("---error0---" + ex);
            return null;
    public DataSource getDataSourceByProcessor() {
        StateHelper sh = null;
        DataSource OutDataSource = null;
        DataSource InputSource = null;
        InputSource = getDataSource();
        try {
            cp = Manager.createProcessor(InputSource);
        } catch (IOException ex) {
            System.out.println("---error1---" + ex);
        } catch (NoProcessorException ex) {
            System.out.println("---error2---" + ex);
        sh = new StateHelper(cp);
        if (!sh.configure(10000)) {
            System.out.println("Processor Configured Error!");
            System.exit(-1);
        ContentDescriptor cd = new ContentDescriptor(ContentDescriptor.RAW_RTP);
        cp.setContentDescriptor(cd);
        AudioFormat ulawFormat = new AudioFormat(AudioFormat.ULAW_RTP, 8000.0, 8, 1);
       // change encode to alaw here?
        TrackControl[] tracks = cp.getTrackControls();
        boolean encodingState = false;
        for (int i = 0; i < tracks.length; i++) {
            if (!encodingState && tracks[i] instanceof FormatControl) {
                if (tracks.setFormat(ulawFormat) == null) {
tracks[i].setEnabled(false);
} else {
encodingState = true;
//---- ptime set
               if (isUlaw) {
     try {
     System.out.println("Cambiando la lista de codecs...");
     Codec[] codec = new Codec[3];
     codec[0] = new com.ibm.media.codec.audio.rc.RCModule();
     codec[1] = new com.ibm.media.codec.audio.ulaw.JavaEncoder();
     //codec[2] = new com.ibm.media.codec.audio.ulaw.Packetizer();
     codec[2] = new com.sun.media.codec.audio.ulaw.Packetizer();
     ((com.sun.media.codec.audio.ulaw.Packetizer) codec[2]).setPacketSize(160);
     (tracks[i]).setCodecChain(codec);
     } catch (UnsupportedPlugInException ex) {
     } catch (NotConfiguredError ex) {
} else {
tracks[i].setEnabled(false);
if (!encodingState) {
System.out.println("Encode error");
System.exit(-1);
if (!sh.realize(10000)) {
System.out.println("Processor Realized Error!");
System.exit(-1);
OutDataSource = cp.getDataOutput();
return OutDataSource;
//run
public void start() {
cp.start();
//stop
public void close() {
cp.close();

test.java (get outputDatasource form capture.java)
package siphone.test;
import java.io.IOException;
import java.net.InetAddress;
import javax.media.Format;
import javax.media.Manager;
import javax.media.Player;
import javax.media.PlugInManager;
import javax.media.control.BufferControl;
import javax.media.format.UnsupportedFormatException;
import javax.media.protocol.DataSource;
import javax.media.protocol.PushBufferDataSource;
import javax.media.protocol.PushBufferStream;
import javax.media.rtp.InvalidSessionAddressException;
import javax.media.rtp.Participant;
import javax.media.rtp.RTPControl;
import javax.media.rtp.RTPManager;
import javax.media.rtp.ReceiveStream;
import javax.media.rtp.ReceiveStreamListener;
import javax.media.rtp.SendStream;
import javax.media.rtp.SendStreamListener;
import javax.media.rtp.SessionAddress;
import javax.media.rtp.SessionListener;
import javax.media.rtp.event.ByeEvent;
import javax.media.rtp.event.NewParticipantEvent;
import javax.media.rtp.event.NewReceiveStreamEvent;
import javax.media.rtp.event.NewSendStreamEvent;
import javax.media.rtp.event.ReceiveStreamEvent;
import javax.media.rtp.event.RemotePayloadChangeEvent;
import javax.media.rtp.event.SendStreamEvent;
import javax.media.rtp.event.SessionEvent;
import javax.media.rtp.rtcp.SourceDescription;
import siphone.decode.AlawRtpDecoder;
import siphone.device.Capture;
import siphone.gui.MainFrame;
* @author kaiser
public class Dial implements SessionListener, ReceiveStreamListener, SendStreamListener {
    private String ip = null;
    private int TargetPort;
    private int LocalPort;
    private MainFrame mf = null;
    private Capture capture = null;
    private DataSource oDataSource = null;
    private RTPManager rtp = null;
    private SendStream stream = null;
    private Player play = null;
    private Boolean LogStatu = false;
    static private Format AlawRtpFormat;
    public Dial(String ip, String rport, int lport, MainFrame mf) {
        this.ip = ip;
        this.TargetPort = Integer.parseInt(rport);
        this.LocalPort = lport;
        this.mf = mf;
        capture = new Capture(false);
        oDataSource = capture.getDataSourceByProcessor();
    public static void main(String[] args) throws IOException {
        Dial dial = new Dial("192.168.200.40", "40000", 10000, null);
        dial.Init();
        System.in.read();
        dial.stop();
    public synchronized void Init() {
        PushBufferDataSource pushDataSource = (PushBufferDataSource) oDataSource;
        PushBufferStream pushStream[] = pushDataSource.getStreams();
        SessionAddress localAddress, targetAddress;
        try {
            rtp = RTPManager.newInstance();
            rtp.addReceiveStreamListener(this);
            rtp.addSendStreamListener(this);
            rtp.addSessionListener(this);
            //port: TargetPort or LocalPort;
            localAddress = new SessionAddress(InetAddress.getLocalHost(), TargetPort);
            targetAddress = new SessionAddress(InetAddress.getByName(ip), TargetPort);
            rtp.initialize(localAddress);
            rtp.addTarget(targetAddress);
            BufferControl bc = (BufferControl) rtp.getControl("javax.media.control.BufferControl");
            if (bc != null) {
                bc.setBufferLength(100);
            stream = rtp.createSendStream(oDataSource, 0);
            stream.start();
            capture.start();
            System.out.println("voice starting...........\n");
        } catch (UnsupportedFormatException ex) {
            System.err.println("error0:\n" + ex);
        } catch (InvalidSessionAddressException ex) {
            System.err.println("error1:\n" + ex);
        } catch (IOException ex) {
            System.err.println("error2:\n" + ex);
    //stop
    public void stop() {
        capture.close();
        if (rtp != null) {
            rtp.removeTargets("close session");
            rtp.dispose();
            rtp = null;
        System.out.println("close session...........\n");
    public void update(SessionEvent evt) {
        if (evt instanceof NewParticipantEvent) {
            Participant sPart = ((NewParticipantEvent) evt).getParticipant();
            System.out.print(" - join: " + sPart.getCNAME());
    public void update(ReceiveStreamEvent rex) {
        ReceiveStream rStream = rex.getReceiveStream();
        Participant rPart = rex.getParticipant();
        if (rex instanceof NewReceiveStreamEvent) {
            try {
                DataSource rData = rStream.getDataSource();
                RTPControl rcl = (RTPControl) rData.getControl("javax.media.rtp.RTPControl");
                if (rcl != null) {
                    System.out.print(" - receive RTPControl info | the AudioFormat: " + rcl.getFormat());
                } else {
                    System.out.print(" - receive RTPControl info");
                if (rPart == null) {
                    System.out.print(" UNKNOWN");
                } else {
                    System.out.print("data form " + rPart.getCNAME());
                play = Manager.createRealizedPlayer(rData);
                if (play != null) {
                    play.start();
            } catch (Exception ex) {
                System.out.print("NewReceiveStreamEvent Exception " + ex.getMessage());
                return;
        } else if (rex instanceof ByeEvent) {
            System.out.print(" - receive bye message: " + rPart.getCNAME() + "   exit");
            stop();
            return;
}Anyone can tell me how to do?
Thank you very much!

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Lanlani wrote:
But still the output returns a question mark instead of the é and a square instead of the é respectively.And how are you determining that? Bear in mind that the tool you use for looking at the output may also have charset encoding problems.

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