mmsdataoctettokenizer.java

用Java写的彩信的程序。包括wsp／mime／mms几部分。

/* 
 * JVending - J2ME MMS Client
 *
 * Distributed under Apache style software license included with the source code.
 */

package org.jvending.messaging.mms.tokens;

import java.io.InputStream;
import java.io.DataInputStream;
import java.io.IOException;

import java.util.Enumeration;
import java.util.NoSuchElementException;

import org.jvending.messaging.IDataOctetTokenizer;
import org.jvending.messaging.wsp.tokens.*;

import org.jvending.messaging.util.SimpleQueue;
import org.jvending.messaging.mms.MessageField;

/**
 * @author Shane Isbell
 * @version 1.0.0a
 * @created 04/03/27
 */

public class MmsDataOctetTokenizer implements IDataOctetTokenizer {

    private int state;

    private SimpleQueue simpleQueue;

    public SimpleQueue getTokenStateQueue(int startState, int nextState){
        simpleQueue = new SimpleQueue(4);
        switch(startState & 0x7f) {
            case MessageField.DATE:
            case MessageField.X_MMS_REPLY_CHARGING_SIZE: 
            case MessageField.X_MMS_MESSAGE_SIZE:
                simpleQueue.enqueue(Token.MULTI_OCTET_INTEGER);
                return simpleQueue;

            case MessageField.X_MMS_DELIVERY_TIME:
            case MessageField.X_MMS_EXPIRY:
            case MessageField.X_MMS_REPLY_CHARGING_DEADLINE: 
                simpleQueue.enqueue(Token.SHORT_INTEGER);
                simpleQueue.enqueue(Token.SHORT_LENGTH);
                simpleQueue.enqueue(Token.MULTI_OCTET_INTEGER);
                return simpleQueue;

            case MessageField.FROM:
                if(nextState == 0) { 
                    simpleQueue.enqueue(Token.SHORT_INTEGER);
                    simpleQueue.enqueue(Token.TEXT_STRING);
                } else if (nextState == 1) {
                      simpleQueue.enqueue(Token.SHORT_INTEGER);
                } else {

                }
                return simpleQueue;

            case MessageField.X_MMS_PREVIOUSLY_SENT_DATE:
                if(nextState > 127) {
                    simpleQueue.enqueue(Token.SHORT_INTEGER);
                } else if (nextState < 31) {
                    simpleQueue.enqueue(Token.SHORT_LENGTH);
                    simpleQueue.enqueue(Token.MULTI_OCTET_INTEGER);
                } else {
                    //exception condition
                }
                simpleQueue.enqueue(Token.SHORT_LENGTH);
                simpleQueue.enqueue(Token.MULTI_OCTET_INTEGER);
                return simpleQueue;

            case MessageField.X_MMS_PREVIOUSLY_SENT_BY:  

                if(nextState > 127) {
                    simpleQueue.enqueue(Token.SHORT_INTEGER);
                } else if (nextState < 31) {
                    simpleQueue.enqueue(Token.SHORT_LENGTH);
                    simpleQueue.enqueue(Token.MULTI_OCTET_INTEGER);
                } else {
                    //exception condition
                }
                simpleQueue.enqueue(Token.TEXT_STRING);
                return simpleQueue;
            case MessageField.CONTENT_TYPE:
        }
        return null;
        
    }


}