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/* |
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Copyright @ 1999-2003, The Institute for Genomic Research (TIGR). |
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All rights reserved. |
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*/ |
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/* |
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* $RCSfile: HttpTransport.java,v $ |
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* $Revision: 1.4 $ |
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* $Date: 2006/02/23 21:00:01 $ |
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* $Author: caliente $ |
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* $State: Exp $ |
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*/ |
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package org.tigr.remote.protocol.communication.http; |
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|
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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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|
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import org.tigr.remote.RemoteException; |
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import org.tigr.remote.protocol.communication.RequestMessage; |
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import org.tigr.remote.protocol.communication.ResponseMessage; |
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import org.tigr.remote.protocol.communication.Transport; |
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import org.tigr.util.ConfMap; |
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|
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class HttpTransport implements Transport { |
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|
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/** |
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* Construct a <code>HttpTransport</code> with specified configuration. |
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*/ |
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public HttpTransport( ConfMap config ) throws RemoteException { |
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m_config = config; |
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try { |
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m_communicator = new HttpCommunicator2( config ); |
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} catch (Exception ex) { |
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throw new RemoteException("HttpTransport: bad server URL ", ex); |
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} |
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} |
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|
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/** |
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* Send a request message to a server. |
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*/ |
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public RequestMessage sendRequest( RequestMessage msg ) throws RemoteException { |
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try { |
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OutputStream out = m_communicator.send( msg.getProperties() ); |
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msg.setStream( out ); |
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return msg; |
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} catch (IOException ex) { |
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throw new RemoteException("HttpTransport: cannot send request: " + ex.toString(), ex); |
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} |
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} |
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|
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/** |
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* Returns the response message from a server. |
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*/ |
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public ResponseMessage getResponse() throws RemoteException { |
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try { |
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InputStream in = m_communicator.receive(); |
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ResponseMessage msg = new ResponseMessage("Server", "TIGR-MEV", in); |
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return msg; |
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} catch (IOException ex) { |
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throw new RemoteException("HttpTransport: cannot receive response. " + ex.toString(), ex); |
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} |
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} |
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|
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/** |
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* Clean up used resources after data was sent. |
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*/ |
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public void finalizeSend() throws RemoteException { |
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try { |
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m_communicator.cleanupAfterSend(); |
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} catch (IOException ex) { |
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throw new RemoteException("HttpTransport: Server error. Cannot start job: " + ex.toString(), ex); |
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} |
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} |
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|
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/** |
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* Clean up resources after data was received. |
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*/ |
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public void finalizeReceive() throws RemoteException { |
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try { |
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m_communicator.cleanupAfterReceive(); |
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} catch (IOException ex) { |
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throw new RemoteException("HttpTransport: cannot finalize receiving: " + ex.toString(), ex); |
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} |
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} |
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|
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protected ConfMap m_config; |
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protected HttpCommunicator2 m_communicator; |
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} |