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package org.postgresql.util;
import java.sql.*;
import java.text.*;
import java.util.*;
/**
* This class extends SQLException, and provides our internationalisation handling
*/
public class PSQLException extends SQLException
{
private String message;
// Cache for future errors
static ResourceBundle bundle;
/**
* This provides the same functionality to SQLException
* @param error Error string
*/
public PSQLException(String error) {
super();
translate(error,null);
}
/**
* A more generic entry point.
* @param error Error string or standard message id
* @param args Array of arguments
*/
public PSQLException(String error,Object[] args)
{
//super();
translate(error,args);
}
/**
* Helper version for 1 arg
*/
public PSQLException(String error,Object arg)
{
super();
Object[] argv = new Object[1];
argv[0] = arg;
translate(error,argv);
}
/**
* Helper version for 2 args
*/
public PSQLException(String error,Object arg1,Object arg2)
{
super();
Object[] argv = new Object[2];
argv[0] = arg1;
argv[1] = arg2;
translate(error,argv);
}
/**
* This does the actual translation
*/
private void translate(String id,Object[] args)
{
if(bundle == null) {
try {
bundle = ResourceBundle.getBundle("org.postgresql.errors");
} catch(MissingResourceException e) {
// translation files have not been installed.
message = id;
}
}
if (bundle != null) {
// Now look up a localized message. If one is not found, then use
// the supplied message instead.
message = null;
try {
message = bundle.getString(id);
} catch(MissingResourceException e) {
message = id;
}
}
// Expand any arguments
if(args!=null && message != null)
message = MessageFormat.format(message,args);
}
/**
* Overides Throwable
*/
public String getLocalizedMessage()
{
return message;
}
/**
* Overides Throwable
*/
public String getMessage()
{
return message;
}
/**
* Overides Object
*/
public String toString()
{
return message;
}
}
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