Coverage Report - org.mule.transformer.encryption.AbstractEncryptionTransformer
 
Classes in this File Line Coverage Branch Coverage Complexity
AbstractEncryptionTransformer
0%
0/34
0%
0/12
0
 
 1  
 /*
 2  
  * $Id: AbstractEncryptionTransformer.java 20310 2010-11-24 10:40:35Z esteban.robles $
 3  
  * --------------------------------------------------------------------------------------
 4  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 5  
  *
 6  
  * The software in this package is published under the terms of the CPAL v1.0
 7  
  * license, a copy of which has been included with this distribution in the
 8  
  * LICENSE.txt file.
 9  
  */
 10  
 
 11  
 package org.mule.transformer.encryption;
 12  
 
 13  
 import org.mule.api.EncryptionStrategy;
 14  
 import org.mule.api.lifecycle.InitialisationException;
 15  
 import org.mule.api.security.CryptoFailureException;
 16  
 import org.mule.api.transformer.TransformerException;
 17  
 import org.mule.config.i18n.CoreMessages;
 18  
 import org.mule.transformer.AbstractTransformer;
 19  
 import org.mule.transformer.types.DataTypeFactory;
 20  
 import org.mule.util.IOUtils;
 21  
 
 22  
 import java.io.ByteArrayInputStream;
 23  
 import java.io.InputStream;
 24  
 
 25  
 /**
 26  
  * <code>EncryptionTransformer</code> will transform an array of bytes or string
 27  
  * into an encrypted array of bytes
 28  
  *
 29  
  */
 30  
 public abstract class AbstractEncryptionTransformer extends AbstractTransformer
 31  
 {
 32  0
     private EncryptionStrategy strategy = null;
 33  0
     private String strategyName = null;
 34  
 
 35  
     public AbstractEncryptionTransformer()
 36  0
     {
 37  0
         registerSourceType(DataTypeFactory.BYTE_ARRAY);
 38  0
         registerSourceType(DataTypeFactory.STRING);
 39  0
         registerSourceType(DataTypeFactory.INPUT_STREAM);
 40  0
         setReturnDataType(DataTypeFactory.INPUT_STREAM);
 41  0
     }
 42  
 
 43  
     @Override
 44  
     public Object clone() throws CloneNotSupportedException
 45  
     {
 46  0
         AbstractEncryptionTransformer clone = (AbstractEncryptionTransformer) super.clone();
 47  
         /*
 48  
          * The actual strategy is *shared* - not sure if this is right? both shallow
 49  
          * and deep copy make sense - think about security, passwords, required
 50  
          * external authentication dependencies etc. :(
 51  
          */
 52  0
         clone.setStrategy(strategy);
 53  0
         clone.setStrategyName(strategyName);
 54  0
         return clone;
 55  
     }
 56  
 
 57  
     @Override
 58  
     public Object doTransform(Object src, String outputEncoding) throws TransformerException
 59  
     {
 60  
         InputStream input;
 61  0
         if (src instanceof String)
 62  
         {
 63  0
             input = new ByteArrayInputStream(src.toString().getBytes());
 64  
         }
 65  0
         else if (src instanceof InputStream)
 66  
         {
 67  0
             input = (InputStream) src;
 68  
         }
 69  
         else
 70  
         {
 71  0
             input = new ByteArrayInputStream((byte[]) src);
 72  
         }
 73  
         try
 74  
         {
 75  0
             return this.primTransform(input);
 76  
         }
 77  0
         catch (CryptoFailureException e)
 78  
         {
 79  0
             throw new TransformerException(this, e);
 80  
         }
 81  
     }
 82  
 
 83  
     protected abstract InputStream primTransform(InputStream stream) throws CryptoFailureException;
 84  
 
 85  
     /**
 86  
      * Template method were deriving classes can do any initialisation after the
 87  
      * properties have been set on this transformer
 88  
      * 
 89  
      * @throws org.mule.api.lifecycle.InitialisationException
 90  
      */
 91  
     @Override
 92  
     public void initialise() throws InitialisationException
 93  
     {
 94  0
         if (strategyName != null)
 95  
         {
 96  0
             if (endpoint.getMuleContext().getSecurityManager() == null)
 97  
             {
 98  0
                 if (strategy == null)
 99  
                 {
 100  0
                     throw new InitialisationException(CoreMessages.authSecurityManagerNotSet(), this);
 101  
                 }
 102  
             }
 103  
             else
 104  
             {
 105  0
                 strategy = endpoint.getMuleContext().getSecurityManager().getEncryptionStrategy(strategyName);
 106  
             }
 107  
         }
 108  0
         if (strategy == null)
 109  
         {
 110  0
             throw new InitialisationException(CoreMessages.encryptionStrategyNotSet(), this);
 111  
         }
 112  0
     }
 113  
 
 114  
     public EncryptionStrategy getStrategy()
 115  
     {
 116  0
         return strategy;
 117  
     }
 118  
 
 119  
     public void setStrategy(EncryptionStrategy strategy)
 120  
     {
 121  0
         this.strategy = strategy;
 122  0
     }
 123  
 
 124  
     public String getStrategyName()
 125  
     {
 126  0
         return strategyName;
 127  
     }
 128  
 
 129  
     public void setStrategyName(String strategyName)
 130  
     {
 131  0
         this.strategyName = strategyName;
 132  0
     }
 133  
 
 134  
 }