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package org.mule.transformers.encryption; |
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import org.mule.MuleManager; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.transformers.AbstractTransformer; |
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import org.mule.umo.UMOEncryptionStrategy; |
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import org.mule.umo.lifecycle.InitialisationException; |
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import org.mule.umo.security.CryptoFailureException; |
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import org.mule.umo.transformer.TransformerException; |
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import java.io.UnsupportedEncodingException; |
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public abstract class AbstractEncryptionTransformer extends AbstractTransformer |
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{ |
29 | 0 | private UMOEncryptionStrategy strategy = null; |
30 | 0 | private String strategyName = null; |
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public AbstractEncryptionTransformer() |
33 | 0 | { |
34 | 0 | registerSourceType(byte[].class); |
35 | 0 | registerSourceType(String.class); |
36 | 0 | setReturnClass(byte[].class); |
37 | 0 | } |
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public Object clone() throws CloneNotSupportedException |
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{ |
42 | 0 | AbstractEncryptionTransformer clone = (AbstractEncryptionTransformer) super.clone(); |
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48 | 0 | clone.setStrategy(strategy); |
49 | 0 | clone.setStrategyName(strategyName); |
50 | 0 | return clone; |
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} |
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public Object doTransform(Object src, String encoding) throws TransformerException |
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{ |
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byte[] buf; |
56 | 0 | if (src instanceof String) |
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{ |
58 | 0 | buf = src.toString().getBytes(); |
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} |
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else |
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{ |
62 | 0 | buf = (byte[]) src; |
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} |
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try |
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{ |
66 | 0 | byte[] result = getTransformedBytes(buf); |
67 | 0 | if (getReturnClass().equals(String.class)) |
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{ |
69 | 0 | if (encoding != null) |
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{ |
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try |
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{ |
73 | 0 | return new String(result, encoding); |
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} |
75 | 0 | catch (UnsupportedEncodingException ex) |
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{ |
77 | 0 | return new String(result); |
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} |
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} |
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else |
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{ |
82 | 0 | return new String(result); |
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} |
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} |
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else |
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{ |
87 | 0 | return result; |
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} |
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} |
90 | 0 | catch (CryptoFailureException e) |
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{ |
92 | 0 | throw new TransformerException(this, e); |
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} |
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} |
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protected abstract byte[] getTransformedBytes(byte[] buffer) throws CryptoFailureException; |
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public void initialise() throws InitialisationException |
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{ |
106 | 0 | if (strategyName != null) |
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{ |
108 | 0 | if (MuleManager.getInstance().getSecurityManager() == null) |
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{ |
110 | 0 | if (strategy == null) |
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{ |
112 | 0 | throw new InitialisationException(CoreMessages.authSecurityManagerNotSet(), this); |
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} |
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} |
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else |
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{ |
117 | 0 | strategy = MuleManager.getInstance().getSecurityManager().getEncryptionStrategy(strategyName); |
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} |
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} |
120 | 0 | if (strategy == null) |
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{ |
122 | 0 | throw new InitialisationException(CoreMessages.encryptionStrategyNotSet(), this); |
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} |
124 | 0 | } |
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public UMOEncryptionStrategy getStrategy() |
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{ |
128 | 0 | return strategy; |
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} |
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public void setStrategy(UMOEncryptionStrategy strategy) |
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{ |
133 | 0 | this.strategy = strategy; |
134 | 0 | } |
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public String getStrategyName() |
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{ |
138 | 0 | return strategyName; |
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} |
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public void setStrategyName(String strategyName) |
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{ |
143 | 0 | this.strategyName = strategyName; |
144 | 0 | } |
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} |