mmencoder.java

nokia彩信发送api和实例

/*
 * @(#)MMEncoder.java	1.1
 *
 * Copyright (c) Nokia Corporation 2002
 *
 */

package com.nokia.mms;

import java.util.Date;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.Vector;
import java.io.*;

/**
 * The MMEncoder class encodes Multimedia Message object (MMMessage)
 * into an array of bytes according to the specification WAP-209-MMSEncapsulation
 * (WAP Forum).
 *
 */


public class MMEncoder implements IMMConstants {

  private MMMessage m_Message;
  private boolean m_bMessageAvailable;
  private boolean m_bMultipartRelated;
  private boolean m_bMessageEcoded;
  private ByteArrayOutputStream m_Out;

  public MMEncoder() {
    super();
    reset();
  }

 /**
  * Resets the Decoder object.
  *
  */
  public void reset() {
    m_Message = null;
    m_bMultipartRelated = false;
    m_bMessageAvailable = false;
    m_bMessageEcoded = false;
    m_Out = null;
  }

 /**
  * Sets the Multimedia Message to be encoded.
  */
  public void setMessage(MMMessage msg) {
    m_Message = msg;
    m_bMessageAvailable = true;
  }

 /**
  * Retrieve the buffer of byte representing the encoded Multimedia Message.
  * This method has to be called after the calling to encodeMessasge()
  *
  * @return the array of bytes representing the Multmedia Message
  */
  public byte[] getMessage() {
    if (m_bMessageEcoded) {
      return m_Out.toByteArray();
    } else {
      return null;
    }
  }
 /**
  * Encode known content type assignments.
  * List of the content type assignments can be found from WAP-203-WSP, Table 40
  * This version is compliant with Approved version 4-May-2000
  *
  * @return assigned number
  */

  private byte encodeContentType(String sContentType) {
    if(sContentType.equalsIgnoreCase("*/*"))
        return 0x00;
    else
    if(sContentType.equalsIgnoreCase("text/*"))
        return 0x01;
    else
    if(sContentType.equalsIgnoreCase("text/html"))
        return 0x02;
    else
    if(sContentType.equalsIgnoreCase("text/plain"))
        return 0x03;
    else
    if(sContentType.equalsIgnoreCase("text/x-hdml"))
        return 0x04;
    else
    if(sContentType.equalsIgnoreCase("text/x-ttml"))
        return 0x05;
    else
    if(sContentType.equalsIgnoreCase("text/x-vCalendar"))
        return 0x06;
    else
    if(sContentType.equalsIgnoreCase("text/x-vCard"))
        return 0x07;
    else
    if(sContentType.equalsIgnoreCase("text/vnd.wap.wml"))
        return 0x08;
    else
    if(sContentType.equalsIgnoreCase("text/vnd.wap.wmlscript"))
        return 0x09;
    else
    if(sContentType.equalsIgnoreCase("text/vnd.wap.channel"))
        return 0x0A;
    else
    if(sContentType.equalsIgnoreCase("multipart/*"))
        return 0x0B;
    else
    if(sContentType.equalsIgnoreCase("multipart/mixed"))
        return 0x0C;
    else
    if(sContentType.equalsIgnoreCase("multipart/form-data"))
        return 0x0D;
    else
    if(sContentType.equalsIgnoreCase("multipart/byteranges"))
        return 0x0E;
    else
    if(sContentType.equalsIgnoreCase("multipart/alternative"))
        return 0x0F;
    else
    if(sContentType.equalsIgnoreCase("application/*"))
        return 0x10;
    else
    if(sContentType.equalsIgnoreCase("application/java-vm"))
        return 0x11;
    else
    if(sContentType.equalsIgnoreCase("application/x-www-form-urlencoded"))
        return 0x12;
    else
    if(sContentType.equalsIgnoreCase("application/x-hdmlc"))
        return 0x13;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.wmlc"))
        return 0x14;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.wmlscriptc"))
        return 0x15;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.channelc"))
        return 0x16;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.uaprof"))
        return 0x17;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.wtls-ca-certificate"))
        return 0x18;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.wtls-user-certificate"))
        return 0x19;
    else
    if(sContentType.equalsIgnoreCase("application/x-x509-ca-cert"))
        return 0x1A;
    else
    if(sContentType.equalsIgnoreCase("application/x-x509-user-cert"))
        return 0x1B;
    else
    if(sContentType.equalsIgnoreCase("image/*"))
        return 0x1C;
    else
    if(sContentType.equalsIgnoreCase("image/gif"))
        return 0x1D;
    else
    if(sContentType.equalsIgnoreCase("image/jpeg"))
        return 0x1E;
    else
    if(sContentType.equalsIgnoreCase("image/tiff"))
        return 0x1F;
    else
    if(sContentType.equalsIgnoreCase("image/png"))
        return 0x20;
    else
    if(sContentType.equalsIgnoreCase("image/vnd.wap.wbmp"))
        return 0x21;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.multipart.*"))
        return 0x22;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.multipart.mixed"))
        return 0x23;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.multipart.form-data"))
        return 0x24;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.multipart.byteranges"))
        return 0x25;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.multipart.alternative"))
        return 0x26;
    else
    if(sContentType.equalsIgnoreCase("application/xml"))
        return 0x27;
    else
    if(sContentType.equalsIgnoreCase("text/xml"))
        return 0x28;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.wbxml"))
        return 0x29;
    else
    if(sContentType.equalsIgnoreCase("application/x-x968-cross-cert"))
        return 0x2A;
    else
    if(sContentType.equalsIgnoreCase("application/x-x968-ca-cert"))
        return 0x2B;
    else
    if(sContentType.equalsIgnoreCase("application/x-x968-user-cert"))
        return 0x2C;
    else
    if(sContentType.equalsIgnoreCase("text/vnd.wap.si"))
        return 0x2D;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.sic"))
        return 0x2E;
    else
    if(sContentType.equalsIgnoreCase("text/vnd.wap.sl"))
        return 0x2F;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.slc"))
        return 0x30;
    else
    if(sContentType.equalsIgnoreCase("text/vnd.wap.co"))
        return 0x31;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.coc"))
        return 0x32;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.multipart.related"))
        return 0x33;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.sia"))
        return 0x34;
    else
    if(sContentType.equalsIgnoreCase("text/vnd.wap.connectivity-xml"))
        return 0x35;
    else
    if(sContentType.equalsIgnoreCase("application/vnd.wap.connectivity-wbxml"))
        return 0x36;
    else
        return 0;
  }

  private int unsignedByte(byte value) {
    if (value<0) {
      return (value+256);
    } else {
      return value;
    }
  }

  private void writeValueLength(long value) {

    if (value <=30)
      m_Out.write((int)value);
    else {
      m_Out.write(31);
      int data[] = EncodeUintvarNumber(value);
      int numValue;
      for(int i = 1; i <= data[0]; i++) {
        numValue = data[i];
        m_Out.write(numValue);
      }
    }
  }

  private void writeUintvar(long value) {
    int data[] = EncodeUintvarNumber(value);
    int numValue;
    for(int i = 1; i <= data[0]; i++) {
      numValue = data[i];
      m_Out.write(numValue);
    }
  }

  /**
   * Encodes the Multimedia Message set by calling setMessage(MMMessage msg)
   */
  public void encodeMessage() throws MMEncoderException {
    int numValue;
    String strValue;
    m_bMessageEcoded = false;
    m_bMultipartRelated = false;

    if(!m_bMessageAvailable)
        throw new MMEncoderException("No Multimedia Messages set in the encoder");

    try {
      m_Out = new ByteArrayOutputStream();

      if(!m_Message.isMessageTypeAvailable()) {
        m_Out.close();
        throw new MMEncoderException("Invalid Multimedia Message format.");
      }

      byte nMessageType = m_Message.getMessageType();

      switch(nMessageType) {
        default:
            {
            m_Out.close();
            throw new MMEncoderException("Invalid Multimedia Message format.");
            }

        case MESSAGE_TYPE_M_DELIVERY_IND: // ---------------------------- m-delivery-ind

            // ------------------- MESSAGE TYPE --------
            m_Out.write(FN_MESSAGE_TYPE + 0x80);
            m_Out.write(nMessageType);

            // ------------------- MESSAGE ID ------
            if(m_Message.isMessageIdAvailable()) {
              m_Out.write(FN_MESSAGE_ID + 0x80);
              m_Out.write(m_Message.getMessageId().getBytes());
              m_Out.write(0x00);
            } else {
              m_Out.close();
              throw new MMEncoderException ("The field Message-ID of the Multimedia Message is null");
            }

            // ------------------- VERSION -------------
            m_Out.write(FN_MMS_VERSION + 0x80);
            if(!m_Message.isVersionAvailable()) {
              numValue = MMS_VERSION_10;
            } else {
              numValue = m_Message.getVersion();
            }
            m_Out.write(numValue);

            // ------------------- DATE ----------------
            if(m_Message.isDateAvailable()) {
              long secs=(m_Message.getDate()).getTime() / 1000;
              int data[] = EncodeMultiByteNumber(secs);
              if(data == null) {
                m_Out.close();
                throw new MMEncoderException("An error occurred encoding the sending date of the Multimedia Message");
              }
              m_Out.write(FN_DATE + 0x80);
              int nCount = data[0];
              m_Out.write(nCount);
              for(int i = 1; i <= nCount; i++) {
                m_Out.write(data[i]);
              }
            }

            // ------------------- TO ------------------
            if(m_Message.isToAvailable()) {
              Vector sAddress = m_Message.getTo();
              int nAddressCount = sAddress.size();
              if(sAddress == null) {
                m_Out.close();
                throw new MMEncoderException("The field TO of the Multimedia Message is set to null.");
              }
              for(int i = 0; i < nAddressCount; i++) {
                strValue = ((MMAddress)sAddress.elementAt(i)).getFullAddress();
                if(strValue != null) {
                  m_Out.write(FN_TO + 0x80);
                  m_Out.write(strValue.getBytes());
                  m_Out.write(0x00);
                }
             }
            } else {
              m_Out.close();
              throw new MMEncoderException("No recipient specified in the Multimedia Message.");
            }

          // ------------------- MESSAGE-STATUS ----------------
            if(m_Message.isStatusAvailable()) {
              m_Out.write(FN_STATUS + 0x80);
              m_Out.write(m_Message.getMessageStatus());
            } else {
               m_Out.close();
               throw new MMEncoderException ("The field Message-ID of the Multimedia Message is null");
            }

            break;

        case MESSAGE_TYPE_M_SEND_REQ: // ---------------------------- m-send-req

            // ------------------- MESSAGE TYPE --------
            m_Out.write(FN_MESSAGE_TYPE + 0x80);
            m_Out.write(nMessageType);

            // ------------------- TRANSACTION ID ------
            if(m_Message.isTransactionIdAvailable()) {
              m_Out.write(FN_TRANSACTION_ID + 0x80);
              m_Out.write(m_Message.getTransactionId().getBytes());
              m_Out.write(0x00);
            }

            // ------------------- VERSION -------------
            m_Out.write(FN_MMS_VERSION + 0x80);
            if(!m_Message.isVersionAvailable()) {
              numValue = MMS_VERSION_10;
            } else {
              numValue = m_Message.getVersion();
            }
            m_Out.write(numValue);

            // ------------------- DATE ----------------
            if(m_Message.isDateAvailable()) {
              long secs=(m_Message.getDate()).getTime() / 1000;
              int data[] = EncodeMultiByteNumber(secs);
              if(data == null) {
                m_Out.close();
                throw new MMEncoderException("An error occurred encoding the sending date of the Multimedia Message");
              }
              m_Out.write(FN_DATE + 0x80);
              int nCount = data[0];
              m_Out.write(nCount);
              for(int i = 1; i <= nCount; i++) {
                m_Out.write(data[i]);
              }
            }


            // ------------------- FROM ----------------
            if(m_Message.isFromAvailable()) {
              m_Out.write(FN_FROM + 0x80);

              strValue = (m_Message.getFrom()).getFullAddress();
              if(strValue == null) {