/*
* Distributed as part of c3p0 0.9.5-pre10
*
* Copyright (C) 2014 Machinery For Change, Inc.
*
* Author: Steve Waldman <swaldman@mchange.com>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of EITHER:
*
* 1) The GNU Lesser General Public License (LGPL), version 2.1, as
* published by the Free Software Foundation
*
* OR
*
* 2) The Eclipse Public License (EPL), version 1.0
*
* You may choose which license to accept if you wish to redistribute
* or modify this work. You may offer derivatives of this work
* under the license you have chosen, or you may provide the same
* choice of license which you have been offered here.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received copies of both LGPL v2.1 and EPL v1.0
* along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
* If not, the text of these licenses are currently available at
*
* LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php
*
*/
package com.mchange.v2.c3p0.impl;
import java.io.*;
import com.mchange.v2.lang.ObjectUtils;
import com.mchange.v2.ser.UnsupportedVersionException;
public final class DbAuth implements Serializable
{
transient String username;
transient String password;
public DbAuth(String username, String password)
{
this.username = username;
this.password = password;
}
public String getUser()
{ return username; }
public String getPassword()
{ return password; }
public String getMaskedUserString()
{ return getMaskedUserString(2, 8); }
private String getMaskedUserString( int chars_to_reveal, int total_chars )
{
if ( username == null ) return "null";
else
{
StringBuffer sb = new StringBuffer(32);
if ( username.length() >= chars_to_reveal )
{
sb.append( username.substring(0, chars_to_reveal) );
for (int i = 0, len = total_chars - chars_to_reveal; i < len; ++i)
sb.append('*');
}
else
sb.append( username );
return sb.toString();
}
}
public boolean equals(Object o)
{
if (this == o)
return true;
else if (o != null && this.getClass() == o.getClass())
{
DbAuth other = (DbAuth) o;
return
ObjectUtils.eqOrBothNull(this.username, other.username) &&
ObjectUtils.eqOrBothNull(this.password, other.password);
}
else
return false;
}
public int hashCode()
{
return
ObjectUtils.hashOrZero(username) ^
ObjectUtils.hashOrZero(password);
}
//Serialization
static final long serialVersionUID = 1; //override to take control of versioning
private final static short VERSION = 0x0001;
private void writeObject(ObjectOutputStream out) throws IOException
{
out.writeShort(VERSION);
out.writeObject(username); //may be null
out.writeObject(password); //may be null
}
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
{
short version = in.readShort();
switch (version)
{
case 0x0001:
this.username = (String) in.readObject();
this.password = (String) in.readObject();
break;
default:
throw new UnsupportedVersionException(this, version);
}
}
}