/*
 * Copyright 2006 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.lang.text;

import java.text.Format;
import java.text.FieldPosition;
import java.text.ParsePosition;
import java.text.ParseException;

/**
 * Formats using one formatter and parses using a different formatter.
 * An example of use for this would be a webapp where data is taken in one way
 * and stored in a database another way.
 *
 * @author Archimedes Trajano
 */
public class CompositeFormat extends Format {

    private final Format parser;
    private final Format formatter;

    /**
     * Create a format that points its parseObject method to one implementation 
     * and its format method to another. 
     *
     * @param parser implementation
     * @param formatter implementation
     */
    public CompositeFormat(Format parser, Format formatter) {
        this.parser = parser;
        this.formatter = formatter;
    }

    /**
     * Uses the formatter Format instance. 
     *
     * @see Format#format(Object, StringBuffer, FieldPosition)
     */
    public StringBuffer format(Object obj, StringBuffer toAppendTo, FieldPosition pos) {
        return formatter.format(obj,toAppendTo,pos);
    }

    /**
     * Uses the parser Format instance. 
     *
     * @see Format#parseObject(String, ParsePosition)
     */
    public Object parseObject(String source, ParsePosition pos) {
        return parser.parseObject(source,pos);
    }

    /**
     * Provides access to the parser Format implementation. 
     *
     * @return parser Format implementation
     */
    public Format getParser() {
        return this.parser;
    }

    /**
     * Provides access to the parser Format implementation. 
     *
     * @return formatter Format implementation
     */
    public Format getFormatter() {
        return this.formatter;
    }

    /**
     * Utility method to parse and then reformat a String. 
     * 
     * @param input String to reformat
     * @return A reformatted String
     * @throws ParseException thrown by parseObject(String) call
     */
    public String reformat(String input) throws ParseException {
        return format(parseObject(input));
    }

}

@@ -655,33 +655,8 @@
 t;%0A%0A
-import java.text.Format;%0A
 impo
@@ -700,29 +700,22 @@
 va.text.
-ParsePosition
+Format
 ;%0Aimport
@@ -740,16 +740,48 @@
 ception;
+%0Aimport java.text.ParsePosition;
 %0A%0A/**%0A *
@@ -1002,16 +1002,35 @@
 Trajano%0A
+ * @version $Id: $%0A
  */%0Apubl
@@ -1080,36 +1080,203 @@
     
-private final Format parser;
+/** Serialization lock. */%0A    private static final long serialVersionUID = -4329119827877627683L;%0A%0A    /** The parser to use. */%0A    private final Format parser;%0A    /** The formatter to use. */
 %0A   

Add serialization version id and javadoc