Coverage report

  %line %branch
org.apache.turbine.util.parser.ParserUtils
72% 
83% 

 1  
 package org.apache.turbine.util.parser;
 2  
 
 3  
 /*
 4  
  * Copyright 2001-2005 The Apache Software Foundation.
 5  
  *
 6  
  * Licensed under the Apache License, Version 2.0 (the "License")
 7  
  * you may not use this file except in compliance with the License.
 8  
  * You may obtain a copy of the License at
 9  
  *
 10  
  *     http://www.apache.org/licenses/LICENSE-2.0
 11  
  *
 12  
  * Unless required by applicable law or agreed to in writing, software
 13  
  * distributed under the License is distributed on an "AS IS" BASIS,
 14  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15  
  * See the License for the specific language governing permissions and
 16  
  * limitations under the License.
 17  
  */
 18  
 
 19  
 import org.apache.commons.configuration.Configuration;
 20  
 
 21  
 import org.apache.commons.logging.Log;
 22  
 import org.apache.commons.logging.LogFactory;
 23  
 
 24  
 import org.apache.commons.lang.StringUtils;
 25  
 
 26  
 import org.apache.turbine.services.TurbineServices;
 27  
 
 28  
 /**
 29  
  * Static helpers for folding fields to upper or lower case
 30  
  *
 31  
  * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
 32  
  * @version $Id: ParserUtils.java 279778 2005-09-09 14:04:11Z henning $
 33  
  */
 34  
 
 35  6
 public abstract class ParserUtils
 36  
 {
 37  
     /** Property for setting the URL folding value */
 38  
     public static final String URL_CASE_FOLDING_KEY = "url.case.folding";
 39  
 
 40  
     /** No folding */
 41  
     public static final String URL_CASE_FOLDING_NONE_VALUE  = "none";
 42  
 
 43  
     /** Fold to lower case */
 44  
     public static final String URL_CASE_FOLDING_LOWER_VALUE = "lower";
 45  
 
 46  
     /** Fold to upper case */
 47  
     public static final String URL_CASE_FOLDING_UPPER_VALUE = "upper";
 48  
 
 49  
     /** No folding set */
 50  
     private static final int URL_CASE_FOLDING_UNSET = 0;
 51  
 
 52  
     /** Folding set to "no folding" */
 53  
     public static final int URL_CASE_FOLDING_NONE  = 1;
 54  
 
 55  
     /** Folding set to "lowercase" */
 56  
     public static final int URL_CASE_FOLDING_LOWER = 2;
 57  
 
 58  
     /** Folding set to "uppercase" */
 59  
     public static final int URL_CASE_FOLDING_UPPER = 3;
 60  
 
 61  
     /** Logging */
 62  24
     private static Log log = LogFactory.getLog(ParserUtils.class);
 63  
 
 64  
     /** The folding from the properties */
 65  12
     private static int folding = URL_CASE_FOLDING_UNSET;
 66  
 
 67  
     /**
 68  
      * Convert a String value according to the url.case.folding property.
 69  
      *
 70  
      * @param value the String to convert
 71  
      *
 72  
      * @return a new String.
 73  
      *
 74  
      */
 75  
     public static String convertAndTrim(String value)
 76  
     {
 77  3794
         return convertAndTrim(value, getUrlFolding());
 78  
     }
 79  
 
 80  
     /**
 81  
      * A static version of the convert method, which
 82  
      * trims the string data and applies the conversion specified in
 83  
      * the property given by URL_CASE_FOLDING.  It returns a new
 84  
      * string so that it does not destroy the value data.
 85  
      *
 86  
      * @param value A String to be processed.
 87  
      * @return A new String converted to lowercase and trimmed.
 88  
      */
 89  
     public static String convertAndTrim(String value, int fold)
 90  
     {
 91  3794
         String tmp = null;
 92  
 
 93  3794
         if (value != null)
 94  
         {
 95  3572
             tmp = value.trim();
 96  
 
 97  3572
             switch (fold)
 98  
             {
 99  
             case URL_CASE_FOLDING_NONE:
 100  
                 {
 101  0
                     break;
 102  
                 }
 103  
             case URL_CASE_FOLDING_LOWER:
 104  
                 {
 105  3572
                     tmp = tmp.toLowerCase();
 106  3572
                     break;
 107  
                 }
 108  
             case URL_CASE_FOLDING_UPPER:
 109  
                 {
 110  0
                     tmp = tmp.toUpperCase();
 111  0
                     break;
 112  
                 }
 113  
             default:
 114  
                 {
 115  0
                     log.error("Passed " + fold + " as fold rule, which is illegal!");
 116  
                     break;
 117  
                 }
 118  
             }
 119  
         }
 120  3794
         return tmp;
 121  
     }
 122  
 
 123  
     /**
 124  
      * Gets the folding value from the properties
 125  
      *
 126  
      * @return The current Folding Value
 127  
      */
 128  
     public static int getUrlFolding()
 129  
     {
 130  3794
         if (folding == URL_CASE_FOLDING_UNSET)
 131  
         {
 132  12
             Configuration conf = TurbineServices.getInstance().getConfiguration();
 133  12
             String foldString = conf.getString(URL_CASE_FOLDING_KEY,
 134  
                                                URL_CASE_FOLDING_NONE_VALUE).toLowerCase();
 135  
 
 136  12
             folding = URL_CASE_FOLDING_NONE;
 137  
 
 138  12
             log.debug("Setting folding from " + foldString);
 139  12
             if (StringUtils.isNotEmpty(foldString))
 140  
             {
 141  12
                 if (foldString.equals(URL_CASE_FOLDING_NONE_VALUE))
 142  
                 {
 143  0
                     folding = URL_CASE_FOLDING_NONE;
 144  
                 }
 145  12
                 else if (foldString.equals(URL_CASE_FOLDING_LOWER_VALUE))
 146  
                 {
 147  12
                     folding = URL_CASE_FOLDING_LOWER;
 148  
                 }
 149  0
                 else if (foldString.equals(URL_CASE_FOLDING_UPPER_VALUE))
 150  
                 {
 151  0
                     folding = URL_CASE_FOLDING_UPPER;
 152  
                 }
 153  
                 else
 154  
                 {
 155  0
                     log.error("Got " + foldString + " from " + URL_CASE_FOLDING_KEY + " property, which is illegal!");
 156  
                 }
 157  
             }
 158  
         }
 159  3794
         return folding;
 160  
     }
 161  
 }

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