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package com.sun.enterprise.iiop;
import org.omg.CORBA.Any;
import org.omg.CORBA.ORB;
import org.omg.CORBA.INV_POLICY;
import org.omg.CORBA.INTERNAL;
import org.omg.IOP.Codec;
import org.omg.IOP.Encoding;
import org.omg.IOP.TaggedComponent;
import org.omg.PortableInterceptor.IORInfo;
import com.sun.corba.ee.impl.util.SUNVMCID;
import com.sun.corba.ee.spi.legacy.connection.ORBSocketFactory;
import com.sun.corba.ee.spi.legacy.interceptor.IORInfoExt;
import com.sun.corba.ee.impl.interceptors.IORInfoImpl;
import java.util.logging.*;
import com.sun.logging.*;
public class RequestDispatchInfoInterceptor extends org.omg.CORBA.LocalObject
implements org.omg.PortableInterceptor.IORInterceptor{
public static final int TAG_REQUEST_DISPATCH_INFO_ID = SUNVMCID.value + 30;
public static final String baseMsg = RequestDispatchInfoInterceptor.class.getName();
private static Logger _logger=null;
static {
_logger=LogDomains.getLogger(LogDomains.CORBA_LOGGER);
}
private Codec codec;
/** Creates a new instance of RequestDispatchInfoInterceptor */
public RequestDispatchInfoInterceptor(Codec c) {
codec = c;
}
/**
* Provides an opportunity to destroy this interceptor.
* The destroy method is called during <code>ORB.destroy</code>. When an
* application calls <code>ORB.destroy</code>, the ORB:
* <ol>
* <li>waits for all requests in progress to complete</li>
* <li>calls the <code>Interceptor.destroy</code> operation for each
* interceptor</li>
* <li>completes destruction of the ORB</li>
* </ol>
* Method invocations from within <code>Interceptor.destroy</code> on
* object references for objects implemented on the ORB being destroyed
* result in undefined behavior. However, method invocations on objects
* implemented on an ORB other than the one being destroyed are
* permitted. (This means that the ORB being destroyed is still capable
* of acting as a client, but not as a server.)
*/
public void destroy() {
}
/**
* A server side ORB calls the <code>establish_components</code>
* operation on all registered <code>IORInterceptor</code> instances
* when it is assembling the list of components that will be included
* in the profile or profiles of an object reference. This operation
* is not necessarily called for each individual object reference.
* For example, the POA specifies policies at POA granularity and
* therefore, this operation might be called once per POA rather than
* once per object. In any case, <code>establish_components</code> is
* guaranteed to be called at least once for each distinct set of
* server policies.
* <p>
* An implementation of <code>establish_components</code> must not
* throw exceptions. If it does, the ORB shall ignore the exception
* and proceed to call the next IOR Interceptor's
* <code>establish_components</code> operation.
*
* @param info The <code>IORInfo</code> instance used by the ORB
* service to query applicable policies and add components to be
* included in the generated IORs.
*/
public void establish_components(org.omg.PortableInterceptor.IORInfo iorInfo) {
try {
RequestDispatchPolicy rdPolicy = null;
try {
rdPolicy = (RequestDispatchPolicy)iorInfo.get_effective_policy(
POARemoteReferenceFactory.REQUEST_DISPATCH_POLICY_TYPE);
} catch ( INV_POLICY ex ) {return;}
if ( rdPolicy != null ) {
addDispatchInfoComponent(rdPolicy, iorInfo);
}
} catch (Exception e) {
_logger.log(Level.WARNING,"Exception in " + baseMsg, e);
}
}
/**
* Returns the name of the interceptor.
* <p>
* Each Interceptor may have a name that may be used administratively
* to order the lists of Interceptors. Only one Interceptor of a given
* name can be registered with the ORB for each Interceptor type. An
* Interceptor may be anonymous, i.e., have an empty string as the name
* attribute. Any number of anonymous Interceptors may be registered with
* the ORB.
*
* @return the name of the interceptor.
*/
public String name() {
return baseMsg;
}
private void addDispatchInfoComponent(RequestDispatchPolicy policy,
org.omg.PortableInterceptor.IORInfo iorInfo)
{
Any any = ORB.init().create_any();
any.insert_long(policy.getDispatchId());
byte[] dispatchValue = null;
try {
dispatchValue = codec.encode_value(any);
} catch (org.omg.IOP.CodecPackage.InvalidTypeForEncoding e) {
throw new INTERNAL("InvalidTypeForEncoding "+e.getMessage());
}
TaggedComponent taggedComponent = new TaggedComponent(
TAG_REQUEST_DISPATCH_INFO_ID,
dispatchValue);
iorInfo.add_ior_component(taggedComponent);
}
}
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