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package org.apache.wink.common.internal.providers.entity;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;
import org.apache.wink.common.utils.ProviderUtils;
@Provider
@Consumes( {MediaType.WILDCARD, MediaType.APPLICATION_OCTET_STREAM})
@Produces( {MediaType.WILDCARD, MediaType.APPLICATION_OCTET_STREAM})
public class InputStreamProvider implements MessageBodyReader,
MessageBodyWriter {
public boolean isReadable(Class type,
Type genericType,
Annotation[] annotations,
MediaType mediaType) {
return type != null && type.isAssignableFrom(InputStream.class);
}
public InputStream readFrom(Class type,
Type genericType,
Annotation[] annotations,
MediaType mediaType,
MultivaluedMap httpHeaders,
InputStream entityStream) throws IOException,
WebApplicationException {
return entityStream;
}
public long getSize(InputStream t,
Class type,
Type genericType,
Annotation[] annotations,
MediaType mediaType) {
return -1;
}
public boolean isWriteable(Class type,
Type genericType,
Annotation[] annotations,
MediaType mediaType) {
return type != null && InputStream.class.isAssignableFrom(type);
}
public void writeTo(InputStream t,
Class type,
Type genericType,
Annotation[] annotations,
MediaType mediaType,
MultivaluedMap httpHeaders,
OutputStream entityStream) throws IOException, WebApplicationException {
try {
ProviderUtils.copyStream(t, entityStream);
} finally {
// be sure to close the input stream but not the entitystream
t.close();
}
}
}