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package org.mule.transformer.codec; |
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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.Base64; |
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import org.mule.util.IOUtils; |
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import java.io.InputStream; |
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public class Base64Decoder extends AbstractTransformer |
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{ |
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public Base64Decoder() |
25 | 0 | { |
26 | 0 | registerSourceType(DataTypeFactory.STRING); |
27 | 0 | registerSourceType(DataTypeFactory.BYTE_ARRAY); |
28 | 0 | registerSourceType(DataTypeFactory.INPUT_STREAM); |
29 | 0 | setReturnDataType(DataTypeFactory.BYTE_ARRAY); |
30 | 0 | } |
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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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try |
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{ |
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String data; |
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39 | 0 | if (src instanceof byte[]) |
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{ |
41 | 0 | data = new String((byte[]) src, outputEncoding); |
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} |
43 | 0 | else if (src instanceof InputStream) |
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{ |
45 | 0 | InputStream input = (InputStream) src; |
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try |
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{ |
48 | 0 | data = IOUtils.toString(input); |
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} |
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finally |
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{ |
52 | 0 | input.close(); |
53 | 0 | } |
54 | 0 | } |
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else |
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{ |
57 | 0 | data = (String) src; |
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} |
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60 | 0 | byte[] result = Base64.decode(data); |
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62 | 0 | if (DataTypeFactory.STRING.equals(getReturnDataType())) |
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{ |
64 | 0 | return new String(result, outputEncoding); |
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} |
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else |
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{ |
68 | 0 | return result; |
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} |
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} |
71 | 0 | catch (Exception ex) |
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{ |
73 | 0 | throw new TransformerException( |
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CoreMessages.transformFailed("base64", getReturnDataType()), this, ex); |
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} |
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} |
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} |