Coverage Report - org.apache.commons.betwixt.strategy.BadCharacterReplacingNMapper

Classes in this File Line Coverage Branch Coverage Complexity
BadCharacterReplacingNMapper
89% 
100% 
3

 1  
 /*
 2  
  * Copyright 2001-2004 The Apache Software Foundation.
 3  
  * 
 4  
  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  * 
 8  
  *      http://www.apache.org/licenses/LICENSE-2.0
 9  
  * 
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13  
  * See the License for the specific language governing permissions and
 14  
  * limitations under the License.
 15  
  */ 
 16  
 package org.apache.commons.betwixt.strategy;
 17  
 
 18  
 import org.apache.commons.betwixt.XMLUtils;
 19  
 
 20  
 /**
 21  
  * <code>NameMapper</code> implementation that processes a name by replacing or stripping
 22  
  * illegal characters before passing result down the chain.
 23  
  * 
 24  
  * @author Robert Burrell Donkin
 25  
  * @since 0.5
 26  
  */
 27  
 public class BadCharacterReplacingNMapper implements NameMapper {
 28  
     /** Next mapper in chain, possibly null */
 29  
     private NameMapper chainedMapper;
 30  
     /** Replacement character, possibly null */
 31  890
     private Character replacement = null;
 32  
     
 33  
     /**
 34  
       * Constructs a replacing mapper which delegates to given mapper.
 35  
       * @param chainedMapper next link in processing chain, possibly null
 36  
       */
 37  890
     public BadCharacterReplacingNMapper(NameMapper chainedMapper) {
 38  890
         this.chainedMapper = chainedMapper;
 39  890
     }        
 40  
 
 41  
     /**
 42  
       * Gets the character that should be used to replace bad characters
 43  
       * if null then bad characters will be deleted.
 44  
       * @return the replacement Character possibly null
 45  
       */
 46  
     public Character getReplacement() {
 47  0
         return replacement;
 48  
     }
 49  
     
 50  
     /**
 51  
       * Sets the character that should be used to replace bad characters.
 52  
       * @param replacement the Charcter to be used for replacement if not null.
 53  
       * Otherwise, indicates that illegal characters should be deleted.
 54  
       */
 55  
     public void setReplacement( Character replacement ) {
 56  52
         this.replacement = replacement;
 57  52
     } 
 58  
 
 59  
     /**
 60  
      * This implementation processes characters which are not allowed in xml
 61  
      * element names and then returns the result from the next link in the chain.
 62  
      * This processing consists of deleting them if no replacement character
 63  
      * has been set. 
 64  
      * Otherwise, the character will be replaced.
 65  
      *  
 66  
      * @param typeName the string to convert 
 67  
      * @return the processed input
 68  
      */
 69  
     public String mapTypeToElementName(String typeName) {
 70  
         
 71  15858
         StringBuffer buffer = new StringBuffer( typeName );
 72  135669
         for (int i=0, size = buffer.length(); i< size; i++) {
 73  119811
             char nextChar = buffer.charAt( i );
 74  119811
             boolean bad = false;
 75  119811
             if ( i==0 ) {
 76  15910
                 bad = !XMLUtils.isNameStartChar( nextChar );
 77  
             } else {
 78  103901
                 bad = !XMLUtils.isNameChar( nextChar );
 79  
             }
 80  
                 
 81  119811
             if (bad) {
 82  715
                 if ( replacement != null ) {
 83  247
                     buffer.setCharAt( i, replacement.charValue() );
 84  
                 } else {
 85  
                     // delete
 86  468
                     buffer.deleteCharAt( i );
 87  468
                     i--;
 88  468
                     size--;
 89  
                 }
 90  
             }
 91  
         }
 92  
         
 93  15858
         if ( buffer.length() == 0 ) {
 94  0
             throw new IllegalArgumentException(
 95  0
 "Element name contains no legal characters and no replacements have been set.");
 96  
         }
 97  
         
 98  15858
         typeName = buffer.toString();
 99  
         
 100  15858
         if ( chainedMapper == null ) {
 101  52
             return typeName;
 102  
         }
 103  15806
         return chainedMapper.mapTypeToElementName( typeName );
 104  
     }
 105  
 }