[kaffe] CVS kaffe (robilad): resynced with gnu classpath: messageformat fix

Kaffe CVS cvs-commits at kaffe.org
Thu May 26 05:05:09 PDT 2005


PatchSet 6575 
Date: 2005/05/26 12:00:00
Author: robilad
Branch: HEAD
Tag: (none) 
Log:
resynced with gnu classpath: messageformat fix

Members: 
	ChangeLog:1.4102->1.4103 
	libraries/javalib/java/text/MessageFormat.java:INITIAL->1.37 

Index: kaffe/ChangeLog
diff -u kaffe/ChangeLog:1.4102 kaffe/ChangeLog:1.4103
--- kaffe/ChangeLog:1.4102	Thu May 26 11:10:36 2005
+++ kaffe/ChangeLog	Thu May 26 12:00:00 2005
@@ -2,6 +2,15 @@
 
         Resynced with GNU Classpath.
 
+	2005-05-24  Gary Benson  <gbenson at redhat.com>
+
+	* java/text/MessageFormat.java (MessageFormatElement.setLocale):
+	Handle DateFormat.DEFAULT case correctly.
+
+2005-05-26  Dalibor Topic  <robilad at kaffe.org>
+
+        Resynced with GNU Classpath.
+
 	2005-05-25  Roman Kennke  <roman at kennke.org>
 
 	* javax/swing/AbstractButton.java:
===================================================================
Checking out kaffe/libraries/javalib/java/text/MessageFormat.java
RCS:  /home/cvs/kaffe/kaffe/libraries/javalib/java/text/MessageFormat.java,v
VERS: 1.37
***************
--- /dev/null	Sun Aug  4 19:57:58 2002
+++ kaffe/libraries/javalib/java/text/MessageFormat.java	Thu May 26 12:05:08 2005
@@ -0,0 +1,828 @@
+/* MessageFormat.java - Localized message formatting.
+   Copyright (C) 1999, 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath 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.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.text;
+
+import gnu.java.text.FormatCharacterIterator;
+
+import java.io.InvalidObjectException;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Vector;
+
+public class MessageFormat extends Format
+{
+  /**
+   * @author Tom Tromey (tromey at cygnus.com)
+   * @author Jorge Aliss (jaliss at hotmail.com)
+   * @date March 3, 1999
+   */
+  /* Written using "Java Class Libraries", 2nd edition, plus online
+   * API docs for JDK 1.2 from http://www.javasoft.com.
+   * Status:  Believed complete and correct to 1.2, except serialization.
+   *          and parsing.
+   */
+  private static final class MessageFormatElement
+  {
+    // Argument number.
+    int argNumber;
+    // Formatter to be used.  This is the format set by setFormat.
+    Format setFormat;
+    // Formatter to be used based on the type.
+    Format format;
+
+    // Argument will be checked to make sure it is an instance of this
+    // class.
+    Class formatClass;
+
+    // Formatter type.
+    String type;
+    // Formatter style.
+    String style;
+
+    // Text to follow this element.
+    String trailer;
+
+    // Recompute the locale-based formatter.
+    void setLocale (Locale loc)
+    {
+      if (type == null)
+        ;
+      else if (type.equals("number"))
+        {
+	  formatClass = java.lang.Number.class;
+
+	  if (style == null)
+	    format = NumberFormat.getInstance(loc);
+	  else if (style.equals("currency"))
+	    format = NumberFormat.getCurrencyInstance(loc);
+	  else if (style.equals("percent"))
+	    format = NumberFormat.getPercentInstance(loc);
+	  else if (style.equals("integer"))
+	    {
+	      NumberFormat nf = NumberFormat.getNumberInstance(loc);
+	      nf.setMaximumFractionDigits(0);
+	      nf.setGroupingUsed(false);
+	      format = nf;
+	    }
+	  else
+	    {
+	      format = NumberFormat.getNumberInstance(loc);
+	      DecimalFormat df = (DecimalFormat) format;
+	      df.applyPattern(style);
+	    }
+        }
+      else if (type.equals("time") || type.equals("date"))
+        {
+	  formatClass = java.util.Date.class;
+
+	  int val = DateFormat.DEFAULT;
+	  boolean styleIsPattern = false;
+	  if (style == null)
+	    ;
+	  else if (style.equals("short"))
+	    val = DateFormat.SHORT;
+	  else if (style.equals("medium"))
+	    val = DateFormat.MEDIUM;
+	  else if (style.equals("long"))
+	    val = DateFormat.LONG;
+	  else if (style.equals("full"))
+	    val = DateFormat.FULL;
+	  else
+	    styleIsPattern = true;
+
+	  if (type.equals("time"))
+	    format = DateFormat.getTimeInstance(val, loc);
+	  else
+	    format = DateFormat.getDateInstance(val, loc);
+
+	  if (styleIsPattern)
+	    {
+	      SimpleDateFormat sdf = (SimpleDateFormat) format;
+	      sdf.applyPattern(style);
+	    }
+        }
+      else if (type.equals("choice"))
+        {
+	  formatClass = java.lang.Number.class;
+
+	  if (style == null)
+	    throw new
+	      IllegalArgumentException ("style required for choice format");
+	  format = new ChoiceFormat (style);
+        }
+    }
+  }
+
+  private static final long serialVersionUID = 6479157306784022952L;
+
+  public static class Field extends Format.Field
+  {
+    static final long serialVersionUID = 7899943957617360810L;
+
+    /**
+     * This is the attribute set for all characters produced
+     * by MessageFormat during a formatting.
+     */
+    public static final MessageFormat.Field ARGUMENT = new MessageFormat.Field("argument");
+
+    // For deserialization
+    private Field()
+    {
+      super("");
+    }
+    
+    protected Field(String s)
+    {
+      super(s);
+    }
+
+    /**
+     * invoked to resolve the true static constant by
+     * comparing the deserialized object to know name.
+     *
+     * @return object constant
+     */
+    protected Object readResolve() throws InvalidObjectException
+    {
+      if (getName().equals(ARGUMENT.getName()))
+	return ARGUMENT;
+
+      throw new InvalidObjectException("no such MessageFormat field called " + getName());
+    }
+
+  }
+
+  // Helper that returns the text up to the next format opener.  The
+  // text is put into BUFFER.  Returns index of character after end of
+  // string.  Throws IllegalArgumentException on error.
+  private static int scanString(String pat, int index, StringBuffer buffer)
+  {
+    int max = pat.length();
+    buffer.setLength(0);
+    boolean quoted = false;
+    for (; index < max; ++index)
+      {
+	char c = pat.charAt(index);
+	if (quoted)
+	  {
+	    // In a quoted context, a single quote ends the quoting.
+	    if (c == '\'')
+	      quoted = false;
+	    else
+	      buffer.append(c);
+	  }
+	// Check for '', which is a single quote.
+	else if (c == '\'' && index + 1 < max && pat.charAt(index + 1) == '\'')
+	  {
+	    buffer.append(c);
+	    ++index;
+	  }
+	else if (c == '\'')
+	  {
+	    // Start quoting.
+	    quoted = true;
+	  }
+	else if (c == '{')
+	  break;
+	else
+	  buffer.append(c);
+      }
+    // Note that we explicitly allow an unterminated quote.  This is
+    // done for compatibility.
+    return index;
+  }
+
+  // This helper retrieves a single part of a format element.  Returns
+  // the index of the terminating character.
+  private static int scanFormatElement(String pat, int index,
+                                       StringBuffer buffer, char term)
+  {
+    int max = pat.length();
+    buffer.setLength(0);
+    int brace_depth = 1;
+    boolean quoted = false;
+
+    for (; index < max; ++index)
+      {
+	char c = pat.charAt(index);
+	// First see if we should turn off quoting.
+	if (quoted)
+	  {
+	    if (c == '\'')
+	      quoted = false;
+	    // In both cases we fall through to inserting the
+	    // character here.
+	  }
+	// See if we have just a plain quote to insert.
+	else if (c == '\'' && index + 1 < max
+		 && pat.charAt(index + 1) == '\'')
+	  {
+	    buffer.append(c);
+	    ++index;
+	  }
+	// See if quoting should turn on.
+	else if (c == '\'')
+	  quoted = true;
+	else if (c == '{')
+	  ++brace_depth;
+	else if (c == '}')
+	  {
+	    if (--brace_depth == 0)
+	      break;
+	  }
+	// Check for TERM after braces, because TERM might be `}'.
+	else if (c == term)
+	  break;
+	// All characters, including opening and closing quotes, are
+	// inserted here.
+	buffer.append(c);
+      }
+    return index;
+  }
+
+  // This is used to parse a format element and whatever non-format
+  // text might trail it.
+  private static int scanFormat(String pat, int index, StringBuffer buffer,
+                                Vector elts, Locale locale)
+  {
+    MessageFormatElement mfe = new MessageFormatElement ();
+    elts.addElement(mfe);
+
+    int max = pat.length();
+
+    // Skip the opening `{'.
+    ++index;
+
+    // Fetch the argument number.
+    index = scanFormatElement (pat, index, buffer, ',');
+    try
+      {
+	mfe.argNumber = Integer.parseInt(buffer.toString());
+      }
+    catch (NumberFormatException nfx)
+      {
+	IllegalArgumentException iae = new IllegalArgumentException(pat);
+	iae.initCause(nfx);
+	throw iae;
+      }
+
+    // Extract the element format.
+    if (index < max && pat.charAt(index) == ',')
+      {
+	index = scanFormatElement (pat, index + 1, buffer, ',');
+	mfe.type = buffer.toString();
+
+	// Extract the style.
+	if (index < max && pat.charAt(index) == ',')
+	  {
+	    index = scanFormatElement (pat, index + 1, buffer, '}');
+	    mfe.style = buffer.toString ();
+	  }
+      }
+
+    // Advance past the last terminator.
+    if (index >= max || pat.charAt(index) != '}')
+      throw new IllegalArgumentException("Missing '}' at end of message format");
+    ++index;
+
+    // Now fetch trailing string.
+    index = scanString (pat, index, buffer);
+    mfe.trailer = buffer.toString ();
+
+    mfe.setLocale(locale);
+
+    return index;
+  }
+
+  /**
+   * Applies the specified pattern to this MessageFormat.
+   *
+   * @param aPattern The Pattern
+   */
+  public void applyPattern (String newPattern)
+  {
+    pattern = newPattern;
+
+    StringBuffer tempBuffer = new StringBuffer ();
+
+    int index = scanString (newPattern, 0, tempBuffer);
+    leader = tempBuffer.toString();
+
+    Vector elts = new Vector ();
+    while (index < newPattern.length())
+      index = scanFormat (newPattern, index, tempBuffer, elts, locale);
+
+    elements = new MessageFormatElement[elts.size()];
+    elts.copyInto(elements);
+  }
+
+  /**
+   * Overrides Format.clone()
+   */
+  public Object clone ()
+  {
+    MessageFormat c = (MessageFormat) super.clone ();
+    c.elements = (MessageFormatElement[]) elements.clone ();
+    return c;
+  }
+
+  /**
+   * Overrides Format.equals(Object obj)
+   */
+  public boolean equals (Object obj)
+  {
+    if (! (obj instanceof MessageFormat))
+      return false;
+    MessageFormat mf = (MessageFormat) obj;
+    return (pattern.equals(mf.pattern)
+	    && locale.equals(mf.locale));
+  }
+
+  /**
+   * A convinience method to format patterns.
+   *
+   * @param aPattern The pattern used when formatting.
+   * @param arguments The array containing the objects to be formatted.
+   */
+  public AttributedCharacterIterator formatToCharacterIterator (Object arguments)
+  {
+    Object[] arguments_array = (Object[])arguments;
+    FormatCharacterIterator iterator = new FormatCharacterIterator();
+    
+    formatInternal(arguments_array, new StringBuffer(), null, iterator);
+  
+    return iterator;
+  }
+
+  /**
+   * A convinience method to format patterns.
+   *
+   * @param aPattern The pattern used when formatting.
+   * @param arguments The array containing the objects to be formatted.
+   */
+  public static String format (String pattern, Object arguments[])
+  {
+    MessageFormat mf = new MessageFormat (pattern);
+    StringBuffer sb = new StringBuffer ();
+    FieldPosition fp = new FieldPosition (NumberFormat.INTEGER_FIELD);
+    return mf.formatInternal(arguments, sb, fp, null).toString();
+  }
+
+  /**
+   * Returns the pattern with the formatted objects.
+   *
+   * @param source The array containing the objects to be formatted.
+   * @param result The StringBuffer where the text is appened.
+   * @param fp A FieldPosition object (it is ignored).
+   */
+  public final StringBuffer format (Object arguments[], StringBuffer appendBuf,
+				    FieldPosition fp)
+  {
+    return formatInternal(arguments, appendBuf, fp, null);
+  }
+
+  private StringBuffer formatInternal (Object arguments[],
+                                       StringBuffer appendBuf,
+				       FieldPosition fp,
+				       FormatCharacterIterator output_iterator)
+  {
+    appendBuf.append(leader);
+    if (output_iterator != null)
+      output_iterator.append(leader);
+
+    for (int i = 0; i < elements.length; ++i)
+      {
+	Object thisArg = null;
+	boolean unavailable = false;
+	if (arguments == null || elements[i].argNumber >= arguments.length)
+	  unavailable = true;
+	else
+	  thisArg = arguments[elements[i].argNumber];
+
+	AttributedCharacterIterator iterator = null;
+
+	Format formatter = null;
+
+	if (fp != null && i == fp.getField() && fp.getFieldAttribute() == Field.ARGUMENT)
+	  fp.setBeginIndex(appendBuf.length());
+
+	if (unavailable)
+	  appendBuf.append("{" + elements[i].argNumber + "}");
+	else
+	  {
+	    if (elements[i].setFormat != null)
+	      formatter = elements[i].setFormat;
+	    else if (elements[i].format != null)
+	      {
+	        if (elements[i].formatClass != null
+		    && ! elements[i].formatClass.isInstance(thisArg))
+	          throw new IllegalArgumentException("Wrong format class");
+	    
+	        formatter = elements[i].format;
+	      }
+	    else if (thisArg instanceof Number)
+	      formatter = NumberFormat.getInstance(locale);
+	    else if (thisArg instanceof Date)
+	      formatter = DateFormat.getTimeInstance(DateFormat.DEFAULT, locale);
+	    else
+	      appendBuf.append(thisArg);
+	  }
+
+	if (fp != null && fp.getField() == i && fp.getFieldAttribute() == Field.ARGUMENT)
+	  fp.setEndIndex(appendBuf.length());
+
+	if (formatter != null)
+	  {
+	    // Special-case ChoiceFormat.
+	    if (formatter instanceof ChoiceFormat)
+	      {
+		StringBuffer buf = new StringBuffer ();
+		formatter.format(thisArg, buf, fp);
+		MessageFormat mf = new MessageFormat ();
+		mf.setLocale(locale);
+		mf.applyPattern(buf.toString());
+		mf.format(arguments, appendBuf, fp);
+	      }
+	    else
+	      {
+		if (output_iterator != null)
+		  iterator = formatter.formatToCharacterIterator(thisArg);
+		else
+		  formatter.format(thisArg, appendBuf, fp);
+	      }
+
+	    elements[i].format = formatter;
+	  }
+
+	if (output_iterator != null)
+	  {
+	    HashMap hash_argument = new HashMap();
+	    int position = output_iterator.getEndIndex();
+	    
+	    hash_argument.put (MessageFormat.Field.ARGUMENT,
+			       new Integer(elements[i].argNumber));
+
+	    
+	    if (iterator != null)
+	      {
+		output_iterator.append(iterator);
+		output_iterator.addAttributes(hash_argument, position, 
+					      output_iterator.getEndIndex());
+	      }	
+	    else
+	      output_iterator.append(thisArg.toString(), hash_argument);
+	    
+	    output_iterator.append(elements[i].trailer);
+	  }
+	
+	appendBuf.append(elements[i].trailer);
+      }
+    
+    return appendBuf;
+  }
+
+  /**
+   * Returns the pattern with the formatted objects.  The first argument
+   * must be a array of Objects.
+   * This is equivalent to format((Object[]) objectArray, appendBuf, fpos)
+   *
+   * @param objectArray The object array to be formatted.
+   * @param appendBuf The StringBuffer where the text is appened.
+   * @param fpos A FieldPosition object (it is ignored).
+   */
+  public final StringBuffer format (Object objectArray, StringBuffer appendBuf,
+				    FieldPosition fpos)
+  {
+    return format ((Object[])objectArray, appendBuf, fpos);
+  }
+
+  /**
+   * Returns an array with the Formats for
+   * the arguments.
+   */
+  public Format[] getFormats ()
+  {
+    Format[] f = new Format[elements.length];
+    for (int i = elements.length - 1; i >= 0; --i)
+      f[i] = elements[i].setFormat;
+    return f;
+  }
+
+  /**
+   * Returns the locale.
+   */
+  public Locale getLocale ()
+  {
+    return locale;
+  }
+
+  /**
+   * Overrides Format.hashCode()
+   */
+  public int hashCode ()
+  {
+    // FIXME: not a very good hash.
+    return pattern.hashCode() + locale.hashCode();
+  }
+
+  private MessageFormat ()
+  {
+  }
+
+  /**
+   * Creates a new MessageFormat object with
+   * the specified pattern
+   *
+   * @param pattern The Pattern
+   */
+  public MessageFormat(String pattern)
+  {
+    this(pattern, Locale.getDefault());
+  }
+
+  /**
+   * Creates a new MessageFormat object with
+   * the specified pattern
+   *
+   * @param pattern The Pattern
+   * @param locale The Locale to use
+   *
+   * @since 1.4
+   */
+  public MessageFormat(String pattern, Locale locale)
+  {
+    this.locale = locale;
+    applyPattern (pattern);
+  }
+
+  /**
+   * Parse a string <code>sourceStr</code> against the pattern specified
+   * to the MessageFormat constructor.
+   *
+   * @param sourceStr the string to be parsed.
+   * @param pos the current parse position (and eventually the error position).
+   * @return the array of parsed objects sorted according to their argument number
+   * in the pattern.
+   */ 
+  public Object[] parse (String sourceStr, ParsePosition pos)
+  {
+    // Check initial text.
+    int index = pos.getIndex();
+    if (! sourceStr.startsWith(leader, index))
+      {
+	pos.setErrorIndex(index);
+	return null;
+      }
+    index += leader.length();
+
+    Vector results = new Vector (elements.length, 1);
+    // Now check each format.
+    for (int i = 0; i < elements.length; ++i)
+      {
+	Format formatter = null;
+	if (elements[i].setFormat != null)
+	  formatter = elements[i].setFormat;
+	else if (elements[i].format != null)
+	  formatter = elements[i].format;
+
+	Object value = null;
+	if (formatter instanceof ChoiceFormat)
+	  {
+	    // We must special-case a ChoiceFormat because it might
+	    // have recursive formatting.
+	    ChoiceFormat cf = (ChoiceFormat) formatter;
+	    String[] formats = (String[]) cf.getFormats();
+	    double[] limits = (double[]) cf.getLimits();
+	    MessageFormat subfmt = new MessageFormat ();
+	    subfmt.setLocale(locale);
+	    ParsePosition subpos = new ParsePosition (index);
+
+	    int j;
+	    for (j = 0; value == null && j < limits.length; ++j)
+	      {
+		subfmt.applyPattern(formats[j]);
+		subpos.setIndex(index);
+		value = subfmt.parse(sourceStr, subpos);
+	      }
+	    if (value != null)
+	      {
+		index = subpos.getIndex();
+		value = new Double (limits[j]);
+	      }
+	  }
+	else if (formatter != null)
+	  {
+	    pos.setIndex(index);
+	    value = formatter.parseObject(sourceStr, pos);
+	    if (value != null)
+	      index = pos.getIndex();
+	  }
+	else
+	  {
+	    // We have a String format.  This can lose in a number
+	    // of ways, but we give it a shot.
+	    int next_index = sourceStr.indexOf(elements[i].trailer, index);
+	    if (next_index == -1)
+	      {
+		pos.setErrorIndex(index);
+		return null;
+	      }
+	    value = sourceStr.substring(index, next_index);
+	    index = next_index;
+	  }
+
+	if (value == null
+	    || ! sourceStr.startsWith(elements[i].trailer, index))
+	  {
+	    pos.setErrorIndex(index);
+	    return null;
+	  }
+
+	if (elements[i].argNumber >= results.size())
+	  results.setSize(elements[i].argNumber + 1);
+	results.setElementAt(value, elements[i].argNumber);
+
+	index += elements[i].trailer.length();
+      }
+
+    Object[] r = new Object[results.size()];
+    results.copyInto(r);
+    return r;
+  }
+
+  public Object[] parse (String sourceStr) throws ParseException
+  {
+    ParsePosition pp = new ParsePosition (0);
+    Object[] r = parse (sourceStr, pp);
+    if (r == null)
+      throw new ParseException ("couldn't parse string", pp.getErrorIndex());
+    return r;
+  }
+
+  public Object parseObject (String sourceStr, ParsePosition pos)
+  {
+    return parse (sourceStr, pos);
+  }
+
+  /**
+   * Sets the format for the argument at an specified
+   * index.
+   *
+   * @param index The index.
+   * @format The Format object.
+   */
+  public void setFormat (int variableNum, Format newFormat)
+  {
+    elements[variableNum].setFormat = newFormat;
+  }
+
+  /**
+   * Sets the formats for the arguments.
+   *
+   * @param formats An array of Format objects.
+   */
+  public void setFormats (Format[] newFormats)
+  {
+    if (newFormats.length < elements.length)
+      throw new IllegalArgumentException("Not enough format objects");
+
+    int len = Math.min(newFormats.length, elements.length);
+    for (int i = 0; i < len; ++i)
+      elements[i].setFormat = newFormats[i];
+  }
+
+  /**
+   * Sets the locale.
+   *
+   * @param locale A Locale
+   */
+  public void setLocale (Locale loc)
+  {
+    locale = loc;
+    if (elements != null)
+      {
+	for (int i = 0; i < elements.length; ++i)
+	  elements[i].setLocale(loc);
+      }
+  }
+
+  /**
+   * Returns the pattern.
+   */
+  public String toPattern ()
+  {
+    return pattern;
+  }
+
+  /**
+   * Return the formatters used sorted by argument index. It uses the
+   * internal table to fill in this array: if a format has been
+   * set using <code>setFormat</code> or <code>setFormatByArgumentIndex</code>
+   * then it returns it at the right index. If not it uses the detected
+   * formatters during a <code>format</code> call. If nothing is known
+   * about that argument index it just puts null at that position.
+   * To get useful informations you may have to call <code>format</code>
+   * at least once.
+   *
+   * @return an array of formatters sorted by argument index.
+   */
+  public Format[] getFormatsByArgumentIndex()
+  {
+    int argNumMax = 0;
+    // First, find the greatest argument number.
+    for (int i=0;i<elements.length;i++)
+      if (elements[i].argNumber > argNumMax)
+	argNumMax = elements[i].argNumber;
+
+    Format[] formats = new Format[argNumMax];
+    for (int i=0;i<elements.length;i++)
+      {
+	if (elements[i].setFormat != null)
+	  formats[elements[i].argNumber] = elements[i].setFormat;
+	else if (elements[i].format != null)
+	  formats[elements[i].argNumber] = elements[i].format;
+      }
+    return formats;
+  }
+
+  /**
+   * Set the format to used using the argument index number.
+   *
+   * @param argumentIndex the argument index.
+   * @param newFormat the format to use for this argument.
+   */
+  public void setFormatByArgumentIndex(int argumentIndex,
+				       Format newFormat)
+  {
+    for (int i=0;i<elements.length;i++)
+      {
+	if (elements[i].argNumber == argumentIndex)
+	  elements[i].setFormat = newFormat;
+      }
+  }
+
+  /**
+   * Set the format for argument using a specified array of formatters
+   * which is sorted according to the argument index. If the number of
+   * elements in the array is fewer than the number of arguments only
+   * the arguments specified by the array are touched.
+   *
+   * @param newFormats array containing the new formats to set.
+   *
+   * @throws NullPointerException if newFormats is null
+   */
+  public void setFormatsByArgumentIndex(Format[] newFormats)
+  {
+    for (int i=0;i<newFormats.length;i++)
+      {
+	// Nothing better than that can exist here.
+	setFormatByArgumentIndex(i, newFormats[i]);
+      }
+  }
+
+  // The pattern string.
+  private String pattern;
+  // The locale.
+  private Locale locale;
+  // Variables.
+  private MessageFormatElement[] elements;
+  // Leader text.
+  private String leader;
+}




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