eu.etaxonomy.taxeditor.cdmlib/src/main/java/eu/etaxonomy/taxeditor/service/CdmServiceRequestExecutor.java

   1 package eu.etaxonomy.taxeditor.service;
   2
   3 import java.io.IOException;
   4 import java.io.OutputStream;
   5
   6 import org.springframework.remoting.httpinvoker.HttpInvokerClientConfiguration;
   7 import org.springframework.remoting.support.RemoteInvocation;
   8 import org.springframework.remoting.support.RemoteInvocationResult;
   9
  10 public abstract class CdmServiceRequestExecutor extends CdmAuthenticatedHttpInvokerRequestExecutor {
  11
  12         private RemoteInvocation currentRemoteInvocation;
  13
  14         @Override
  15         protected void writeRemoteInvocation(RemoteInvocation invocation, OutputStream os) throws IOException {
  16                 currentRemoteInvocation = invocation;
  17                 super.writeRemoteInvocation(invocation, os);
  18         }
  19
  20         @Override
  21         protected RemoteInvocationResult doExecuteRequest(HttpInvokerClientConfiguration config,
  22                         java.io.ByteArrayOutputStream baos)
  23                                         throws java.io.IOException,
  24                                         java.lang.ClassNotFoundException {
  25                 RemoteInvocationResult rir = fromCache(currentRemoteInvocation);
  26
  27                 if(rir == null) {
  28                         rir = super.doExecuteRequest(config, baos);
  29                         cache(currentRemoteInvocation, rir);
  30                 }
  31
  32                 currentRemoteInvocation = null;
  33                 return rir;
  34         }
  35
  36         public abstract void cache(RemoteInvocation ri, RemoteInvocationResult rir);
  37
  38         public abstract RemoteInvocationResult fromCache(RemoteInvocation ri);
  39 }