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package org.mule.transport.http.transformers; |
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import org.mule.RequestContext; |
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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.transformer.AbstractTransformer; |
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import org.mule.transformer.types.DataTypeFactory; |
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import org.mule.transport.http.HttpConstants; |
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import org.mule.transport.http.HttpResponse; |
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import org.mule.transport.http.ResponseWriter; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.io.UnsupportedEncodingException; |
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import java.util.Iterator; |
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import org.apache.commons.httpclient.ChunkedOutputStream; |
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import org.apache.commons.httpclient.Header; |
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import org.apache.commons.io.output.ByteArrayOutputStream; |
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public class HttpResponseToString extends AbstractTransformer |
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{ |
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public HttpResponseToString() |
39 | 0 | { |
40 | 0 | registerSourceType(DataTypeFactory.create(HttpResponse.class)); |
41 | 0 | setReturnDataType(DataTypeFactory.STRING); |
42 | 0 | } |
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@Override |
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protected Object doTransform(Object src, String encoding) throws TransformerException |
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{ |
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try |
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{ |
52 | 0 | HttpResponse response = (HttpResponse)src; |
53 | 0 | ByteArrayOutputStream bos = new ByteArrayOutputStream(8192); |
54 | 0 | OutputStream outstream = bos; |
55 | 0 | ResponseWriter writer = new ResponseWriter(outstream, encoding); |
56 | 0 | writer.println(response.getStatusLine()); |
57 | 0 | Iterator item = response.getHeaderIterator(); |
58 | 0 | while (item.hasNext()) |
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{ |
60 | 0 | Header header = (Header)item.next(); |
61 | 0 | writer.print(header.toExternalForm()); |
62 | 0 | } |
63 | 0 | writer.println(); |
64 | 0 | writer.flush(); |
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66 | 0 | if (response.hasBody()) |
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{ |
68 | 0 | OutputHandler handler = response.getBody(); |
69 | 0 | Header transferenc = response.getFirstHeader(HttpConstants.HEADER_TRANSFER_ENCODING); |
70 | 0 | if (transferenc != null) |
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{ |
72 | 0 | response.removeHeaders(HttpConstants.HEADER_CONTENT_LENGTH); |
73 | 0 | if (transferenc.getValue().indexOf(HttpConstants.TRANSFER_ENCODING_CHUNKED) != -1) |
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{ |
75 | 0 | outstream = new ChunkedOutputStream(outstream); |
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} |
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} |
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79 | 0 | handler.write(RequestContext.getEvent(), outstream); |
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81 | 0 | if (outstream instanceof ChunkedOutputStream) |
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{ |
83 | 0 | ((ChunkedOutputStream)outstream).finish(); |
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} |
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} |
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|
87 | 0 | outstream.flush(); |
88 | 0 | bos.flush(); |
89 | 0 | byte[] result = bos.toByteArray(); |
90 | 0 | outstream.close(); |
91 | 0 | writer.close(); |
92 | 0 | bos.close(); |
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94 | 0 | String output = null; |
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try |
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{ |
97 | 0 | output = new String(result, encoding); |
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} |
99 | 0 | catch (UnsupportedEncodingException uee) |
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{ |
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104 | 0 | output = new String(result); |
105 | 0 | } |
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107 | 0 | return output; |
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} |
109 | 0 | catch (IOException e) |
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{ |
111 | 0 | throw new TransformerException(this, e); |
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} |
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} |
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} |