Examples of org.exoplatform.common.http.client.HttpOutputStream

Package org.exoplatform.common.http.client

Examples of org.exoplatform.common.http.client.HttpOutputStream

org.exoplatform.common.http.client.HttpOutputStream
This class provides an output stream for requests. The stream must first be associated with a request before it may be used; this is done by passing it to one of the request methods in HTTPConnection. Example:
```
 OutputStream out = new HttpOutputStream(12345); rsp = con.Post("/cgi-bin/my_cgi", out); out.write(...); out.close(); if (rsp.getStatusCode() >= 300) ... 
```
There are two constructors for this class, one taking a length parameter, and one without any parameters. If the stream is created with a length then the request will be sent with the corresponding Content-length header and anything written to the stream will be written on the socket immediately. This is the preferred way. If the stream is created without a length then one of two things will happen: if, at the time of the request, the server is known to understand HTTP/1.1 then each write() will send the data immediately using the chunked encoding. If, however, either the server version is unknown (because this is first request to that server) or the server only understands HTTP/1.0 then all data will be written to a buffer first, and only when the stream is closed will the request be sent.
Another reason that using the HttpOutputStream(length) constructor is recommended over the HttpOutputStream() one is that some HTTP/1.1 servers do not allow the chunked transfer encoding to be used when POSTing to a cgi script. This is because the way the cgi API is defined the cgi script expects a Content-length environment variable. If the data is sent using the chunked transfer encoding however, then the server would have to buffer all the data before invoking the cgi so that this variable could be set correctly. Not all servers are willing to do this.
If you cannot use the HttpOutputStream(length) constructor and are having problems sending requests (usually a 411 response) then you can try setting the system property HTTPClient.dontChunkRequests to true (this needs to be done either on the command line or somewhere in the code before the HTTPConnection is first accessed). This will prevent the client from using the chunked encoding in this case and will cause the HttpOutputStream to buffer all the data instead, sending it only when close() is invoked.
The behaviour of a request sent with an output stream may differ from that of a request sent with a data parameter. The reason for this is that the various modules cannot resend a request which used an output stream. Therefore such things as authorization and retrying of requests won't be done by the HTTPClient for such requests. But see {@link HTTPResponse#retryRequest() HTTPResponse.retryRequest} for a partial solution. @version 0.3-3 06/05/2001 @author Ronald Tschal�r @since V0.3

            conn.addBasicAuthorization(null, credentials.getName(), credentials.getValue());
         }
         HTTPResponse resp = null;
         if (entity != null)
         {
            HttpOutputStream stream = new HttpOutputStream();
            resp = conn.Post(url.getFile(), stream, headerPairs);
            byte[] buf = new byte[1024];
            int r = -1;
            while ((r = entity.read(buf)) != -1)
            {
               stream.write(buf, 0, r);
            }
            stream.close();
         }
         else
         {
            resp = conn.Post(url.getFile(), (NVPair[])null, headerPairs);
         }

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            conn.addBasicAuthorization(null, credentials.getName(), credentials.getValue());
         }
         HTTPResponse resp = null;
         if (entity != null)
         {
            HttpOutputStream stream = new HttpOutputStream();
            resp = conn.Put(url.getFile(), stream, headerPairs);
            byte[] buf = new byte[1024];
            int r = -1;
            while ((r = entity.read(buf)) != -1)
            {
               stream.write(buf, 0, r);
            }
            stream.close();
         }
         else
         {
            resp = conn.Put(url.getFile(), new byte[0], headerPairs);
         }

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            conn.addBasicAuthorization(null, credentials.getName(), credentials.getValue());
         }
         HTTPResponse resp = null;
         if (entity != null)
         {
            HttpOutputStream stream = new HttpOutputStream();
            resp = conn.Post(url.getFile(), stream, headerPairs);
            byte[] buf = new byte[1024];
            int r = -1;
            while ((r = entity.read(buf)) != -1)
            {
               stream.write(buf, 0, r);
            }
            stream.close();
         }
         else
         {
            resp = conn.Post(url.getFile(), (NVPair[])null, headerPairs);
         }

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            conn.addBasicAuthorization(null, credentials.getName(), credentials.getValue());
         }
         HTTPResponse resp = null;
         if (entity != null)
         {
            HttpOutputStream stream = new HttpOutputStream();
            resp = conn.Put(url.getFile(), stream, headerPairs);
            byte[] buf = new byte[1024];
            int r = -1;
            while ((r = entity.read(buf)) != -1)
            {
               stream.write(buf, 0, r);
            }
            stream.close();
         }
         else
         {
            resp = conn.Put(url.getFile(), new byte[0], headerPairs);
         }

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      random.nextBytes(data);


      JCRWebdavConnection conn = getConnection();
      
      // add node with blob data
      HttpOutputStream stream = new HttpOutputStream();
      HTTPResponse response = conn.addNode(nodeName, stream);
      loadStream(stream, new ByteArrayInputStream(data));
      stream.close();
      response.getStatusCode();


      // check results
      for (JCRWebdavConnection connection : getConnections()) 
      {

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            conn.addBasicAuthorization(null, credentials.getName(), credentials.getValue());
         }
         HTTPResponse resp = null;
         if (entity != null)
         {
            HttpOutputStream stream = new HttpOutputStream();
            resp = conn.Post(url.getFile(), stream, headerPairs);
            byte[] buf = new byte[1024];
            int r = -1;
            while ((r = entity.read(buf)) != -1)
            {
               stream.write(buf, 0, r);
            }
            stream.close();
         }
         else
         {
            resp = conn.Post(url.getFile(), (NVPair[])null, headerPairs);
         }

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            conn.addBasicAuthorization(null, credentials.getName(), credentials.getValue());
         }
         HTTPResponse resp = null;
         if (entity != null)
         {
            HttpOutputStream stream = new HttpOutputStream();
            resp = conn.Put(url.getFile(), stream, headerPairs);
            byte[] buf = new byte[1024];
            int r = -1;
            while ((r = entity.read(buf)) != -1)
            {
               stream.write(buf, 0, r);
            }
            stream.close();
         }
         else
         {
            resp = conn.Put(url.getFile(), new byte[0], headerPairs);
         }

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