/*
* Sun Public License Notice
*
* The contents of this file are subject to the Sun Public License
* Version 1.0 (the "License"). You may not use this file except in
* compliance with the License. A copy of the License is available at
* http://www.sun.com/
*
* The Original Code is NetBeans. The Initial Developer of the Original
* Code is Sun Microsystems, Inc. Portions Copyright 1997-2001 Sun
* Microsystems, Inc. All Rights Reserved.
*/
package org.netbeans.lib.ddl.util;
import java.util.*;
import java.text.Format;
import java.text.FieldPosition;
import java.text.NumberFormat;
import java.text.DateFormat;
import java.text.ParsePosition;
import java.text.ParseException;
import org.openide.util.MapFormat;
/**
* The message formatter, It handles [] brackets as optional keys.
*
* @author Slavek Psenicka
*/
public class CommandFormatter
{
/** Parsed items */
Vector items;
/** Formats pattern using arguments map
* Returns formatted string.
* @param pattern String to be formatted
* @param arguments Argument map
*/
public static String format(String pattern, Map arguments)
throws ParseException, IllegalArgumentException
{
CommandFormatter temp = new CommandFormatter(pattern);
return temp.format(arguments);
}
/** Constructor
* @param pattern String to be formatted
*/
public CommandFormatter(String pattern)
throws ParseException
{
this(new StringTokenizer(pattern, "[]", true));
}
/** Constructor
* @param tok Used tokenizer
*/
private CommandFormatter(StringTokenizer tok)
throws ParseException
{
items = scan(tok);
}
/** Scans data for [] brackets and prepares data for formatting
* using MapFormat utility
*/
private Vector scan(StringTokenizer tok)
throws ParseException
{
Vector objvec = new Vector();
while (tok.hasMoreTokens()) {
String token = (String)tok.nextElement();
Object obj = token;
if (token.equals("[")) {
obj = (Object)scan(tok);
} else if (token.equals("]")) break;
objvec.add(obj);
}
return objvec;
}
/** Formats parsed string using given argument map
* @param arguments Argument map
*/
public String format(Map arguments)
throws IllegalArgumentException
{
return format(items, arguments);
}
/** Formats given string vector using given argument map.
* Used internally only.
* @param arguments Argument map
*/
private String format(Vector itemvec, Map arguments)
throws IllegalArgumentException
{
String retstr = "";
Enumeration items_e = itemvec.elements();
while (items_e.hasMoreElements()) {
Object e_item = items_e.nextElement();
if (e_item instanceof Vector) {
try {
e_item = format((Vector)e_item, arguments);
} catch (Exception e) {}
}
if (e_item instanceof String) {
MapFormat fmt = new MapFormat(arguments);
fmt.setThrowExceptionIfKeyWasNotFound(true);
String e_msg = fmt.format((String)e_item);
if (e_msg != null) retstr = retstr + e_msg;
else throw new IllegalArgumentException();
}
}
return retstr;
}
}
/*
* <<Log>>
* 4 Gandalf 1.3 10/22/99 Ian Formanek NO SEMANTIC CHANGE - Sun
* Microsystems Copyright in File Comment
* 3 Gandalf 1.2 6/8/99 Ian Formanek ---- Package Change To
* org.openide ----
* 2 Gandalf 1.1 4/23/99 Slavek Psenicka new version
* 1 Gandalf 1.0 4/6/99 Slavek Psenicka
* $
*/