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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 Base64Encoder extends AbstractTransformer |
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{ |
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public Base64Encoder() |
30 | 0 | { |
31 | 0 | registerSourceType(DataTypeFactory.STRING); |
32 | 0 | registerSourceType(DataTypeFactory.BYTE_ARRAY); |
33 | 0 | registerSourceType(DataTypeFactory.INPUT_STREAM); |
34 | 0 | setReturnDataType(DataTypeFactory.TEXT_STRING); |
35 | 0 | } |
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@Override |
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public Object doTransform(Object src, String encoding) throws TransformerException |
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{ |
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try |
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{ |
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byte[] buf; |
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44 | 0 | if (src instanceof String) |
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{ |
46 | 0 | buf = ((String) src).getBytes(encoding); |
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} |
48 | 0 | else if (src instanceof InputStream) |
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{ |
50 | 0 | InputStream input = (InputStream) src; |
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try |
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{ |
53 | 0 | buf = IOUtils.toByteArray(input); |
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} |
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finally |
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{ |
57 | 0 | input.close(); |
58 | 0 | } |
59 | 0 | } |
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else |
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{ |
62 | 0 | buf = (byte[]) src; |
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} |
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65 | 0 | String result = Base64.encodeBytes(buf, Base64.DONT_BREAK_LINES); |
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67 | 0 | if (getReturnClass().equals(byte[].class)) |
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{ |
69 | 0 | return result.getBytes(encoding); |
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} |
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else |
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{ |
73 | 0 | return result; |
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} |
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} |
76 | 0 | catch (Exception ex) |
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{ |
78 | 0 | throw new TransformerException( |
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CoreMessages.transformFailed(src.getClass().getName(), "base64"), this, ex); |
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} |
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} |
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} |