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package org.mule.transformer.simple; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.transformer.DiscoverableTransformer; |
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import org.mule.api.transformer.TransformerException; |
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import org.mule.api.transport.OutputHandler; |
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import org.mule.config.i18n.MessageFactory; |
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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.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.io.Serializable; |
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import org.apache.commons.lang.SerializationUtils; |
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public class ObjectToOutputHandler extends AbstractTransformer implements DiscoverableTransformer |
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{ |
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34 | 0 | private int priorityWeighting = DiscoverableTransformer.DEFAULT_PRIORITY_WEIGHTING + 1; |
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public ObjectToOutputHandler() |
37 | 0 | { |
38 | 0 | registerSourceType(DataTypeFactory.BYTE_ARRAY); |
39 | 0 | registerSourceType(DataTypeFactory.STRING); |
40 | 0 | registerSourceType(DataTypeFactory.INPUT_STREAM); |
41 | 0 | registerSourceType(DataTypeFactory.create(Serializable.class)); |
42 | 0 | setReturnDataType(DataTypeFactory.create(OutputHandler.class)); |
43 | 0 | } |
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@Override |
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public Object doTransform(final Object src, final String encoding) throws TransformerException |
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{ |
48 | 0 | if (src instanceof String) |
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{ |
50 | 0 | return new OutputHandler() |
51 | 0 | { |
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public void write(MuleEvent event, OutputStream out) throws IOException |
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{ |
54 | 0 | out.write(((String) src).getBytes(encoding)); |
55 | 0 | } |
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}; |
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} |
58 | 0 | else if (src instanceof byte[]) |
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{ |
60 | 0 | return new OutputHandler() |
61 | 0 | { |
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public void write(MuleEvent event, OutputStream out) throws IOException |
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{ |
64 | 0 | out.write((byte[]) src); |
65 | 0 | } |
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}; |
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} |
68 | 0 | else if (src instanceof InputStream) |
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{ |
70 | 0 | return new OutputHandler() |
71 | 0 | { |
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public void write(MuleEvent event, OutputStream out) throws IOException |
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{ |
74 | 0 | InputStream is = (InputStream) src; |
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try |
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{ |
77 | 0 | IOUtils.copyLarge(is, out); |
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} |
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finally |
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{ |
81 | 0 | is.close(); |
82 | 0 | } |
83 | 0 | } |
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}; |
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} |
86 | 0 | else if (src instanceof Serializable) |
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{ |
88 | 0 | return new OutputHandler() |
89 | 0 | { |
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public void write(MuleEvent event, OutputStream out) throws IOException |
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{ |
92 | 0 | SerializationUtils.serialize((Serializable) src, out); |
93 | 0 | } |
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}; |
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} |
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else |
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{ |
98 | 0 | throw new TransformerException(MessageFactory |
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.createStaticMessage("Unable to convert " + src.getClass() + " to OutputHandler.")); |
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} |
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} |
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public int getPriorityWeighting() |
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{ |
105 | 0 | return priorityWeighting; |
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} |
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public void setPriorityWeighting(int priorityWeighting) |
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{ |
110 | 0 | this.priorityWeighting = priorityWeighting; |
111 | 0 | } |
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} |