vtodo.java

Java p2p程序设计2002年版

/*
 * ToDo.java
 *
 * Created on November 26, 2001, 11:38 PM
 */

package com.sams.jxta.xcal;
import org.jdom.*;
import org.jdom.output.*;
import org.jdom.input.*;
import java.lang.reflect.*;

import java.util.Date;
import java.text.SimpleDateFormat;


import javax.xml.parsers.*;
import org.xml.sax.*;
import org.w3c.dom.*;
import org.xml.sax.SAXException;

import java.io.*;
import java.net.*;
import java.util.*;
import net.jxta.endpoint.Message;
import net.jxta.endpoint.MessageElement;

import net.jxta.peer.*;
import org.apache.log4j.Category;
import net.jxta.impl.id.UUID.UUIDFactory;

/**
 *
 * @author  Administrator
 */
public class VToDo {
    private static final Category LOG =  Category.getInstance(VToDo.class.getName());
    protected SimpleDateFormat format   = new SimpleDateFormat("yyyyMMdd'T'kkmmss'Z'");
    public static final String iCalTag = "iCalendar";
    public static final String vCalTag = "vCalendar";
    
    public static final String vtodoTag = "vtodo";
    public static final String dtstampTag = "dtstamp";
    public static final String dtstartTag = "dtstart";
    public static final String dueTag = "due";
    public static final String summaryTag = "summary";
    public static final String priorityTag = "priority";
    public static final String completedTag = "completed";
    public static final String statusTag = "status";
    public static final String commentTag = "comment";
    public static final String categoriesTag = "categories";
   
    // Custom tags
    public static final String idTag = "x-jxta-id";
    public static final String groupIDTag = "x-jxta-group-id";
    public static final String groupNameTag = "x-jxta-group-name";
    public static final String groupDescTag = "x-jxta-group-desc";
    public static final String peerNameTag = "x-jxta-peer-name";
    public static final String peerIDTag = "x-jxta-peer-id";
    
    
    public static final String statusTypes[] ={ "NEEDS-ACTION", "ACCEPTED","DECLINED", "TENTATIVE", "DELEGATED", "COMPLETED","IN-PROGRESS"};
    
    
    protected boolean changed = true;
    protected String valueOfXML = null;
    
    
    protected String dtstamp=format.format( new Date(System.currentTimeMillis()));// Date
    static final String supporedVersion="2.0";
    String method ="PUBLISH";
    protected String id=UUIDFactory.newUUID().toString();// Custom tag to specify ID of item
    protected String dtstart=dtstamp;// Date
    protected String completed = "";// Date
    protected String due="";
    protected String status="";
    protected String summary="test To-Do";
    protected String priority = "";
    protected String comment = "";
    protected String category[] = {""};
    protected String groupName = "";
    protected String groupID = "";
    protected String groupDesc = "";
    protected String peerID = "";
    protected String peerName = "";
    /** Creates new ToDo */
    public VToDo() {
    }
    /** Creates new ToDo */
    public VToDo(String message) {
        processMessage(message);
    }
    
    
    
    public String toXML(){
        if (changed){
            // Note that many compilers convert this into a series of appends
            // to a StringBuffer, thus making this effiecient when written this way.
            valueOfXML =  "<?xml version=\"1.0\" encoding=\"UTF-8\"?> \n"
            //+"<!DOCTYPE iCalendar PUBLIC \"-//IETF//DTD XCAL//iCalendar XML//EN\" \"http:////www.ietf.org//internet-drafts//draft-ietf-calsch-many-xcal-00.txt \" > \n"
            +"<icalendar> \n"
            +"<vcalendar method=\""+method+"\" version=\""+supporedVersion+"\" prodid=\"-//HandGen//NONSGML vGen v1.0//EN\"> \n"
            +"<vtodo> \n"
            +"  <"+dtstampTag+">"+dtstamp+"</"+dtstampTag+"> \n"
            +"  <"+peerIDTag+">"+peerID+"</"+peerIDTag+">\n"
            +"  <"+peerNameTag+">"+peerName+"</"+peerNameTag+">\n"
            +"  <"+idTag+">"+id+"</"+idTag+">\n"
            +"  <"+groupIDTag+">"+groupID+"</"+groupIDTag+">\n"
            +"  <"+groupNameTag+">"+groupName+"</"+groupNameTag+">\n"
            +"  <"+groupDescTag+">"+groupDesc+"</"+groupDescTag+">\n"
            +"  <summary>"+summary+"</summary> \n"
            +"  <comment>"+comment+"</comment> \n"
            +"  <dtstart>"+dtstart+"</dtstart> \n"
            +"  <due>"+due+"</due> \n"
            +"  <priority>"+priority+"</priority> \n"
            +"  <categories> \n"
            +"    <item>"+category[0]+"</item> \n"
            +"  </categories> \n"
            +"</vtodo> \n"
            +"</vcalendar> \n"
            +"</icalendar> \n";
        }
        return valueOfXML;
    }
    public org.jdom.Document toJDOM(){
        try{
            ByteArrayInputStream in = new ByteArrayInputStream(toXML().getBytes());
            SAXBuilder builder = new SAXBuilder();
            org.jdom.Document doc = builder.build(in);
            return doc;
        }catch(JDOMException je){
            je.printStackTrace();
            return null;
        }
    }
    public void processMessage(String msg) {
        try{
            id = "error";
            dtstamp = "error";
            ByteArrayInputStream in = new ByteArrayInputStream(msg.getBytes());
            org.jdom.input.SAXBuilder builder = new org.jdom.input.SAXBuilder();
            
            org.jdom.Document doc = builder.build(in);
            
            org.jdom.Element element = doc.getRootElement();
            if (element.getName().equals("icalendar")){
                element = element.getChild("vcalendar").getChild("vtodo");
            }else if (element.getName().equals("vcalendar")){
                element = element.getChild("vtodo");
            }
            processMessage(element);
            
        }catch(org.jdom.JDOMException ioe){
            LOG.error("Error parsing to do item",ioe);
        }
    }
    
    public void processMessage(org.jdom.Element   element) {
        org.jdom.Document doc = element.getDocument();
        XMLOutputter outputter = new XMLOutputter("   ",true);
        id  = getText(element.getChild(idTag));
        dtstamp = getText(element.getChild(dtstampTag));
        summary = getText(element.getChild(summaryTag));
        comment = getText(element.getChild(commentTag));
        due =  getText(element.getChild(dueTag));
        completed = getText(element.getChild(completedTag));
        dtstart =  getText(element.getChild(dtstartTag));
        status =  getText(element.getChild(statusTag));
        category[0] = getText(element.getChild(categoriesTag));
        groupID =  getText(element.getChild(groupIDTag));
        groupName =  getText(element.getChild(groupNameTag));
        groupDesc =  getText(element.getChild(groupDescTag));
        peerID =  getText(element.getChild(peerIDTag));
        peerName =  getText(element.getChild(peerNameTag));
        
    }// end of processMessage()
    public String toString(){
        return summary+" "+status+" due:"+due+" TimeStamp:"+dtstamp;
    }
    protected String getText(org.jdom.Element element) {
        if (element == null){
            return "";
        }else{
            return element.getText();
        }
    }
    
    /** Getter for property dtstamp.
     * @return Value of property dtstamp.
     */
    public String getDtstamp() {
        return dtstamp;
    }
    
    /** Setter for property dtstamp.
     * @param dtstamp New value of property dtstamp.
     */
    public void setDtstamp(String dtstamp) {
        this.dtstamp = dtstamp;
    }
    
    /** Getter for property dtstart.
     * @return Value of property dtstart.
     */
    public String getDtstart() {
        return dtstart;
    }
    
    /** Setter for property dtstart.
     * @param dtstart New value of property dtstart.
     */
    public void setDtstart(String dtstart) {
        this.dtstart = dtstart;
    }
    
    /** Getter for property completed.
     * @return Value of property completed.
     */
    public String getCompleted() {
        return completed;
    }
    
    /** Setter for property completed.
     * @param completed New value of property completed.
     */
    public void setCompleted(String completed) {
        this.completed = completed;
    }
    
    /** Getter for property due.
     * @return Value of property due.
     */
    public String getDue() {
        return due;
    }
    
    /** Setter for property due.
     * @param due New value of property due.
     */
    public void setDue(String due) {
        this.due = due;
    }
    
    /** Getter for property status.
     * @return Value of property status.
     */
    public String getStatus() {
        return status;
    }
    
    /** Setter for property status.
     * @param status New value of property status.
     */
    public void setStatus(String status) {
        this.status = status;
    }
    
    /** Getter for property summary.
     * @return Value of property summary.
     */
    public String getSummary() {
        return summary;
    }
    
    /** Setter for property summary.
     * @param summary New value of property summary.
     */
    public void setSummary(String summary) {
        this.summary = summary;
    }
    
    /** Getter for property priority.
     * @return Value of property priority.
     */
    public String getPriority() {
        return priority;
    }
    
    /** Setter for property priority.
     * @param priority New value of property priority.
     */
    public void setPriority(String priority) {
        this.priority = priority;
    }
    
    
    /** Getter for property changed.
     * @return Value of property changed.
     */
    public boolean isChanged() {
        return changed;
    }
    
    /** Setter for property changed.
     * @param changed New value of property changed.
     */
    public void setChanged(boolean changed) {
        this.changed = changed;
    }
    
    
    /** Getter for property comment.
     * @return Value of property comment.
     */
    public java.lang.String getComment() {
        return comment;
    }
    
    /** Setter for property comment.
     * @param comment New value of property comment.
     */
    public void setComment(java.lang.String comment) {
        this.comment = comment;
    }
    
    /** Getter for property groupName.
     * @return Value of property groupName.
     */
    public java.lang.String getGroupName() {
        return groupName;
    }
    
    /** Setter for property groupName.
     * @param groupName New value of property groupName.
     */
    public void setGroupName(java.lang.String groupName) {
        this.groupName = groupName;
    }
    
    /** Getter for property groupID.
     * @return Value of property groupID.
     */
    public java.lang.String getGroupID() {
        return groupID;
    }
    
    /** Setter for property groupID.
     * @param groupID New value of property groupID.
     */
    public void setGroupID(String groupID) {
        this.groupID = groupID;
    }
    
    /** Getter for property groupDesc.
     * @return Value of property groupDesc.
     */
    public java.lang.String getGroupDesc() {
        return groupDesc;
    }
    
    /** Setter for property groupDesc.
     * @param groupDesc New value of property groupDesc.
     */
    public void setGroupDesc(java.lang.String groupDesc) {
        this.groupDesc = groupDesc;
    }
    
    /** Getter for property peerID.
     * @return Value of property peerID.
     */
    public String getPeerID() {
        return peerID;
    }
    
    /** Setter for property peerID.
     * @param peerID New value of property peerID.
     */
    public void setPeerID(String peerID) {
        this.peerID = peerID;
    }
    
    /** Getter for property peerName.
     * @return Value of property peerName.
     */
    public String getPeerName() {
        return peerName;
    }
    
    /** Setter for property peerName.
     * @param peerName New value of property peerName.
     */
    public void setPeerName(String peerName) {
        this.peerName = peerName;
    }
    
    /** Getter for property id.
     * @return Value of property id.
     */
    public java.lang.String getID() {
        return id;
    }
    
    /** Setter for property id.
     * @param id New value of property id.
     */
    public void setID(java.lang.String id) {
        this.id = id;
    }
    
/*
   <!ELEMENT x-foo-cust-code (#PCDATA)>
<!ATTLIST x-foo-cust-code value NOTATION (X-NAME) #IMPLIED>
]>
 
<iCalendar>
<vcalendar method="PUBLISH"
            version="2.0"
            prodid="-//HandGen//NONSGML vGen v1.0//EN">
<vtodo>
<uid>[e-mail] </uid>
<dtstamp>19981104T125957Z</dtstamp>
<dtstart>19981105T133000Z</dtstart>
<due>19981106T133000Z</due>
<summary>Draft a test plan</summary>
<x-foo-cust-code>1998-ABC Corp-1234</x-foo-cust-code>
<priority>1</priority>
</vtodo>
</vcalendar>
</iCalendar>
 
 */
}