Coverage Report - org.apache.commons.lang3.text.CompositeFormat
 
Classes in this File Line Coverage Branch Coverage Complexity
CompositeFormat
100%
9/9
N/A
1
 
 1  
 /*
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  * 
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  * 
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.apache.commons.lang3.text;
 18  
 
 19  
 import java.text.FieldPosition;
 20  
 import java.text.Format;
 21  
 import java.text.ParseException;
 22  
 import java.text.ParsePosition;
 23  
 
 24  
 /**
 25  
  * Formats using one formatter and parses using a different formatter. An
 26  
  * example of use for this would be a webapp where data is taken in one way and
 27  
  * stored in a database another way.
 28  
  * 
 29  
  * @version $Id: CompositeFormat.java 1436768 2013-01-22 07:07:42Z ggregory $
 30  
  */
 31  
 public class CompositeFormat extends Format {
 32  
 
 33  
     /**
 34  
      * Required for serialization support.
 35  
      * 
 36  
      * @see java.io.Serializable
 37  
      */
 38  
     private static final long serialVersionUID = -4329119827877627683L;
 39  
 
 40  
     /** The parser to use. */
 41  
     private final Format parser;
 42  
     /** The formatter to use. */
 43  
     private final Format formatter;
 44  
 
 45  
     /**
 46  
      * Create a format that points its parseObject method to one implementation
 47  
      * and its format method to another.
 48  
      * 
 49  
      * @param parser implementation
 50  
      * @param formatter implementation
 51  
      */
 52  2
     public CompositeFormat(final Format parser, final Format formatter) {
 53  2
         this.parser = parser;
 54  2
         this.formatter = formatter;
 55  2
     }
 56  
 
 57  
     /**
 58  
      * Uses the formatter Format instance.
 59  
      * 
 60  
      * @param obj the object to format
 61  
      * @param toAppendTo the {@link StringBuffer} to append to
 62  
      * @param pos the FieldPosition to use (or ignore).
 63  
      * @return <code>toAppendTo</code>
 64  
      * @see Format#format(Object, StringBuffer, FieldPosition)
 65  
      */
 66  
     @Override // Therefore has to use StringBuffer
 67  
     public StringBuffer format(final Object obj, final StringBuffer toAppendTo,
 68  
             final FieldPosition pos) {
 69  3
         return formatter.format(obj, toAppendTo, pos);
 70  
     }
 71  
 
 72  
     /**
 73  
      * Uses the parser Format instance.
 74  
      * 
 75  
      * @param source the String source
 76  
      * @param pos the ParsePosition containing the position to parse from, will
 77  
      *            be updated according to parsing success (index) or failure
 78  
      *            (error index)
 79  
      * @return the parsed Object
 80  
      * @see Format#parseObject(String, ParsePosition)
 81  
      */
 82  
     @Override
 83  
     public Object parseObject(final String source, final ParsePosition pos) {
 84  3
         return parser.parseObject(source, pos);
 85  
     }
 86  
 
 87  
     /**
 88  
      * Provides access to the parser Format implementation.
 89  
      * 
 90  
      * @return parser Format implementation
 91  
      */
 92  
     public Format getParser() {
 93  1
         return this.parser;
 94  
     }
 95  
 
 96  
     /**
 97  
      * Provides access to the parser Format implementation.
 98  
      * 
 99  
      * @return formatter Format implementation
 100  
      */
 101  
     public Format getFormatter() {
 102  1
         return this.formatter;
 103  
     }
 104  
 
 105  
     /**
 106  
      * Utility method to parse and then reformat a String.
 107  
      * 
 108  
      * @param input String to reformat
 109  
      * @return A reformatted String
 110  
      * @throws ParseException thrown by parseObject(String) call
 111  
      */
 112  
     public String reformat(final String input) throws ParseException {
 113  1
         return format(parseObject(input));
 114  
     }
 115  
 
 116  
 }