messager.java

JTREE的例子

package util3;

import java.io.*;
import util2.*;
import util4.*;
import Tree.*;
import dragTree.TransferableImpl;

public class Messager extends TransferableImpl implements Serializable
{
  private String name="",content="";
  private boolean hasXML_predef_entity;
  private String att; //message show in attArea in BtnPan

  public Messager(String name){
    this.name=name.trim();
    try{
      if(Handle.Checker.hasEntity(name)) this.hasXML_predef_entity=true;
    }catch(NullPointerException ex){}
    //Tree.Handle.Checker.
  }

  public Messager(Messager mesg){
    this.name=mesg.name;
    this.content=mesg.content;
    try{if(Handle.Checker.hasEntity(name) || Handle.Checker.hasEntity(content))
      this.hasXML_predef_entity=true;
    }catch(NullPointerException ex){}
  }

  public Messager(String name,String content){
    this.name=name.trim();
    this.content=content;
    try{if(Handle.Checker.hasEntity(name) || Handle.Checker.hasEntity(content))
      this.hasXML_predef_entity=true;
    }catch(NullPointerException ex){}
  }

  public Messager(){ this(""); }

  public String getName(){return this.name==null ? "" : name;}

  public void setName(String name){
    this.name=name.trim();
    try{if(Handle.Checker.hasEntity(name)) this.hasXML_predef_entity=true;}
    catch(NullPointerException ex){}
  }

  public String getContent(){return  this.content==null ? "" : content;}

  public void setContent(String cont){
    content=cont;
    try{if(Handle.Checker.hasEntity(content)) this.hasXML_predef_entity=true;}
    catch(NullPointerException ex){}
  }

  public boolean hasEntity(){
    return this.hasXML_predef_entity;
  }

  public boolean hasContent(){
    if(this.content!=null && this.content.length()!=0) return true;
    else return false;
  }

  public void makeContent(){
    content="<"+name+">"+"</"+name+">";
  }

  public static String makeContent(String str){
    return "<"+str+">"+"</"+str+">";
  }

  public void setAttMsg(String att){
    this.att=att;
  }

  public String getAttMsg(){
    return att==null ? "" : att;
  }

  // 0:equal  1:the former larger  -1:the latter larger
  public static int compare(Messager one,Messager two){
    /*int shorter = (one.name.length()>=two.name.length())
         ? two.name.length() : one.name.length();
    int i=0;
    for(;i<shorter;i++){
      char a=one.name.charAt(i);
      char b=two.name.charAt(i);
      if(a>b) return 1;
      if(a<b) return -1;
      if(a==b) continue;
    }
    if(one.name.length()!=two.name.length()){
      return one.name.length()>two.name.length() ? 1 : -1;
    }
    else return 0;*/
    return one.name.compareTo(two.name);
  }

  //overwrite from TransferableImp,
  public TransferableImpl copy(){
    Messager m = new Messager(name);
    m.content = content;
    m.hasXML_predef_entity = this.hasXML_predef_entity;
    return m;
  }

  public String toString(){
    return this.name;
  }
}