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package org.mule.transformer.encryption; |
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import org.mule.api.EncryptionStrategy; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.api.security.CryptoFailureException; |
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import org.mule.api.transformer.TransformerException; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.transformer.AbstractTransformer; |
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import org.mule.transformer.types.DataTypeFactory; |
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import org.mule.util.IOUtils; |
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import java.io.InputStream; |
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import java.io.UnsupportedEncodingException; |
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public abstract class AbstractEncryptionTransformer extends AbstractTransformer |
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{ |
32 | 0 | private EncryptionStrategy strategy = null; |
33 | 0 | private String strategyName = null; |
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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.BYTE_ARRAY); |
41 | 0 | } |
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@Override |
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public Object clone() throws CloneNotSupportedException |
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{ |
46 | 0 | AbstractEncryptionTransformer clone = (AbstractEncryptionTransformer) super.clone(); |
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52 | 0 | clone.setStrategy(strategy); |
53 | 0 | clone.setStrategyName(strategyName); |
54 | 0 | return clone; |
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} |
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@Override |
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public Object doTransform(Object src, String outputEncoding) throws TransformerException |
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{ |
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byte[] buf; |
61 | 0 | if (src instanceof String) |
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{ |
63 | 0 | buf = src.toString().getBytes(); |
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} |
65 | 0 | else if (src instanceof InputStream) |
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{ |
67 | 0 | InputStream input = (InputStream) src; |
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try |
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{ |
70 | 0 | buf = IOUtils.toByteArray(input); |
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} |
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finally |
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{ |
74 | 0 | IOUtils.closeQuietly(input); |
75 | 0 | } |
76 | 0 | } |
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else |
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{ |
79 | 0 | buf = (byte[]) src; |
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} |
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try |
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{ |
83 | 0 | byte[] result = getTransformedBytes(buf); |
84 | 0 | if (getReturnDataType().equals(DataTypeFactory.STRING)) |
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{ |
86 | 0 | if (outputEncoding != null) |
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{ |
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try |
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{ |
90 | 0 | return new String(result, outputEncoding); |
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} |
92 | 0 | catch (UnsupportedEncodingException ex) |
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{ |
94 | 0 | return new String(result); |
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} |
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} |
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else |
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{ |
99 | 0 | return new String(result); |
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} |
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} |
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else |
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{ |
104 | 0 | return result; |
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} |
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} |
107 | 0 | catch (CryptoFailureException e) |
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{ |
109 | 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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@Override |
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public void initialise() throws InitialisationException |
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{ |
124 | 0 | if (strategyName != null) |
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{ |
126 | 0 | if (endpoint.getMuleContext().getSecurityManager() == null) |
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{ |
128 | 0 | if (strategy == null) |
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{ |
130 | 0 | throw new InitialisationException(CoreMessages.authSecurityManagerNotSet(), this); |
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} |
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} |
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else |
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{ |
135 | 0 | strategy = endpoint.getMuleContext().getSecurityManager().getEncryptionStrategy(strategyName); |
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} |
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} |
138 | 0 | if (strategy == null) |
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{ |
140 | 0 | throw new InitialisationException(CoreMessages.encryptionStrategyNotSet(), this); |
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} |
142 | 0 | } |
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public EncryptionStrategy getStrategy() |
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{ |
146 | 0 | return strategy; |
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} |
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public void setStrategy(EncryptionStrategy strategy) |
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{ |
151 | 0 | this.strategy = strategy; |
152 | 0 | } |
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public String getStrategyName() |
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{ |
156 | 0 | return strategyName; |
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} |
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public void setStrategyName(String strategyName) |
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{ |
161 | 0 | this.strategyName = strategyName; |
162 | 0 | } |
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} |