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21 package org.apache.hadoop.hbase.rest.provider.producer;
22
23 import java.io.IOException;
24 import java.io.OutputStream;
25 import java.lang.annotation.Annotation;
26 import java.lang.reflect.Type;
27
28 import javax.ws.rs.Produces;
29 import javax.ws.rs.WebApplicationException;
30 import javax.ws.rs.core.MediaType;
31 import javax.ws.rs.core.MultivaluedMap;
32 import javax.ws.rs.ext.MessageBodyWriter;
33 import javax.ws.rs.ext.Provider;
34
35 import org.apache.hadoop.hbase.rest.Constants;
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43 @Provider
44 @Produces(Constants.MIMETYPE_TEXT)
45 public class PlainTextMessageBodyProducer
46 implements MessageBodyWriter<Object> {
47
48 private ThreadLocal<byte[]> buffer = new ThreadLocal<byte[]>();
49
50 @Override
51 public boolean isWriteable(Class<?> arg0, Type arg1, Annotation[] arg2,
52 MediaType arg3) {
53 return true;
54 }
55
56 @Override
57 public long getSize(Object object, Class<?> type, Type genericType,
58 Annotation[] annotations, MediaType mediaType) {
59 byte[] bytes = object.toString().getBytes();
60 buffer.set(bytes);
61 return bytes.length;
62 }
63
64 @Override
65 public void writeTo(Object object, Class<?> type, Type genericType,
66 Annotation[] annotations, MediaType mediaType,
67 MultivaluedMap<String, Object> httpHeaders, OutputStream outStream)
68 throws IOException, WebApplicationException {
69 byte[] bytes = buffer.get();
70 outStream.write(bytes);
71 buffer.remove();
72 }
73 }