Android Open Source - bitcoin-wallet Address Book

From Project

Back to project page bitcoin-wallet.

License

The source code is released under:

Copyright (C) 2011 by Caleb Anderson Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the ...

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Java Source Code

package net.dirtyfilthy.bitcoin.protocol;
/*from w  w  w  . j  a va 2  s.  c o m*/
import java.util.Calendar;
import java.util.Collections;
import java.util.Comparator;
import java.util.Vector;

import net.dirtyfilthy.bitcoin.core.Address;

public class AddressBook {
  private Vector<Address> addressList;
  
  public AddressBook(){
    this.addressList=new Vector<Address>();
    
  }
  
  public Vector<Address> getAddressConnectList(){
    Vector<Address> active=getActive();
    Collections.sort(active, new LastTryComparator());
    return active;
  }
  
  public Vector<Address> getActive(){
    Vector<Address> active=new Vector<Address>();
    Calendar c=Calendar.getInstance();
    c.add(Calendar.HOUR,-3);
    java.util.Date threeHoursAgo=c.getTime();
    for(Address a : this.addressList){
      if(a.getLastSeen().compareTo(threeHoursAgo)>0){
        active.add(a);
      }
    }
    return active;
  }
  
  public synchronized void justSeen(Address a){
    Address our=findOrCreateAddress(a);
    our.setLastSeen(new java.util.Date());
  }
  
  public synchronized void justTried(Address a){
    Address our=findOrCreateAddress(a);
    our.setLastTry(new java.util.Date());
  }
  
  public synchronized void justConnected(Address a){
    Address our=findOrCreateAddress(a);
    our.setLastConnected(new java.util.Date());
  }
  
  public synchronized void received(Address a){
    Address ourAddress=findOrCreateAddress(a);
    if(ourAddress.getLastSeen().compareTo(a.getLastSeen())<0){
      ourAddress.setLastSeen(a.getLastSeen());
    }
  }
  
  private Address findOrCreateAddress(Address a){
    Address result;
    int i=addressList.indexOf(a);
    if(i==-1){
      addressList.add(a);
      result=a;
    }
    else{
      result=addressList.get(i);
    }
    return result;
  }
  
  private class LastTryComparator implements Comparator<Address> {

    public int compare(Address a, Address b) {
      return a.getLastTry().compareTo(b.getLastTry())*-1;
    }
  }
  
  
  
  
  
}

Java Source Code List