Coverage Report - org.mule.routing.filters.RegExFilter
 
Classes in this File Line Coverage Branch Coverage Complexity
RegExFilter
0%
0/41
0%
0/28
0
 
 1  
 /*
 2  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 3  
  * The software in this package is published under the terms of the CPAL v1.0
 4  
  * license, a copy of which has been included with this distribution in the
 5  
  * LICENSE.txt file.
 6  
  */
 7  
 package org.mule.routing.filters;
 8  
 
 9  
 import org.mule.api.MuleMessage;
 10  
 import org.mule.api.routing.filter.Filter;
 11  
 import org.mule.api.routing.filter.ObjectFilter;
 12  
 import org.mule.api.transformer.TransformerException;
 13  
 import org.mule.config.i18n.CoreMessages;
 14  
 import org.mule.transformer.simple.ByteArrayToObject;
 15  
 import org.mule.util.ClassUtils;
 16  
 
 17  
 import java.util.regex.Pattern;
 18  
 
 19  
 import org.apache.commons.logging.Log;
 20  
 import org.apache.commons.logging.LogFactory;
 21  
 
 22  
 import static org.mule.util.ClassUtils.hash;
 23  
 
 24  
 /**
 25  
  * <code>RegExFilter</code> is used to match a String argument against a regular expression.
 26  
  */
 27  
 public class RegExFilter implements Filter, ObjectFilter
 28  
 {
 29  
     private static final int NO_FLAGS = 0;
 30  0
     protected transient Log logger = LogFactory.getLog(getClass());
 31  
 
 32  
     private Pattern pattern;
 33  
 
 34  0
     private int flags = NO_FLAGS;
 35  
 
 36  
     public RegExFilter()
 37  
     {
 38  0
         super();
 39  0
     }
 40  
 
 41  
     public RegExFilter(String pattern)
 42  
     {
 43  0
         this(pattern, NO_FLAGS);
 44  0
     }
 45  
 
 46  
     public RegExFilter(String pattern, int flags)
 47  0
     {
 48  0
         this.pattern = Pattern.compile(pattern, flags);
 49  0
         this.flags = flags;
 50  0
     }
 51  
 
 52  
     public boolean accept(MuleMessage message)
 53  
     {
 54  
         try
 55  
         {
 56  0
             return accept(message.getPayloadAsString());
 57  
         }
 58  0
         catch (Exception e)
 59  
         {
 60  0
             throw new IllegalArgumentException(e);
 61  
         }
 62  
     }
 63  
 
 64  
     public boolean accept(Object object)
 65  
     {
 66  0
         if (object == null)
 67  
         {
 68  0
             return false;
 69  
         }
 70  
 
 71  0
         Object tempObject = object;
 72  
 
 73  
         // check whether the payload is a byte[] or a char[]. If it is, then it has
 74  
         // to be transformed otherwise the toString will not represent the true
 75  
         // contents
 76  
         // of the payload for the RegEx filter to use.
 77  0
         if (object instanceof byte[])
 78  
         {
 79  0
             ByteArrayToObject transformer = new ByteArrayToObject();
 80  
             try
 81  
             {
 82  0
                 object = transformer.transform(object);
 83  
             }
 84  0
             catch (TransformerException e)
 85  
             {
 86  0
                 logger.warn(CoreMessages.transformFailedBeforeFilter(), e);
 87  
                 // revert transformation
 88  0
                 object = tempObject;
 89  0
             }
 90  0
         }
 91  0
         else if (object instanceof char[])
 92  
         {
 93  0
             object = new String((char[]) object);
 94  
         }
 95  
 
 96  0
         return (pattern != null && pattern.matcher(object.toString()).find());
 97  
     }
 98  
 
 99  
     public String getPattern()
 100  
     {
 101  0
         return (pattern == null ? null : pattern.pattern());
 102  
     }
 103  
 
 104  
     public void setPattern(String pattern)
 105  
     {
 106  0
         this.pattern = (pattern != null ? Pattern.compile(pattern, flags) : null);
 107  0
     }
 108  
 
 109  
     public int getFlags()
 110  
     {
 111  0
         return flags;
 112  
     }
 113  
 
 114  
     public void setFlags(int flags)
 115  
     {
 116  0
         this.flags = flags;
 117  0
         this.pattern = (this.pattern != null ? Pattern.compile(pattern.pattern(), flags) : null);
 118  0
     }
 119  
 
 120  
     @Override
 121  
     public boolean equals(Object obj)
 122  
     {
 123  0
         if (this == obj) return true;
 124  0
         if (obj == null || getClass() != obj.getClass()) return false;
 125  
 
 126  0
         final RegExFilter other = (RegExFilter) obj;
 127  0
         boolean patternsAreEqual = ClassUtils.equal(pattern.pattern(), other.pattern.pattern());
 128  0
         boolean flagsAreEqual = (flags == other.flags);
 129  0
         return (patternsAreEqual && flagsAreEqual);
 130  
     }
 131  
 
 132  
     @Override
 133  
     public int hashCode()
 134  
     {
 135  0
         return hash(new Object[]{this.getClass(), pattern});
 136  
     }
 137  
 }