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package com.sun.xml.ws.api.server;
import com.sun.istack.NotNull;
import com.sun.xml.ws.api.message.Packet;
import javax.xml.ws.Provider;
import javax.xml.ws.WebServiceContext;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Hides the detail of calling into application endpoint implementation.
*
*
* Typical host of the JAX-WS RI would want to use
* {@link InstanceResolver#createDefault(Class)} and then
* use {@link InstanceResolver#createInvoker()} to obtain
* the default invoker implementation.
*
*
* @author Jitendra Kotamraju
* @author Kohsuke Kawaguchi
*/
public abstract class Invoker extends com.sun.xml.ws.server.sei.Invoker {
/**
* Called by {@link WSEndpoint} when it's set up.
*
*
* This is an opportunity for {@link Invoker}
* to do a endpoint-specific initialization process.
*
* @param wsc
* The {@link WebServiceContext} instance that can be injected
* to the user instances.
* @param endpoint
*/
public void start(@NotNull WSWebServiceContext wsc, @NotNull WSEndpoint endpoint) {
// backward compatibility
start(wsc);
}
/**
* @deprecated
* Use {@link #start(WSWebServiceContext,WSEndpoint)}
*/
public void start(@NotNull WebServiceContext wsc) {
throw new IllegalStateException("deprecated version called");
}
/**
* Called by {@link WSEndpoint}
* when {@link WSEndpoint#dispose()} is called.
*
* This allows {@link InstanceResolver} to do final clean up.
*
*
* This method is guaranteed to be only called once by {@link WSEndpoint}.
*/
public void dispose() {}
/**
* Invokes {@link Provider#invoke(Object)}
*/
public T invokeProvider( @NotNull Packet p, T arg ) throws IllegalAccessException, InvocationTargetException {
// default slow implementation that delegates to the other invoke method.
return (T)invoke(p,invokeMethod,arg);
}
/**
* Invokes {@link AsyncProvider#invoke(Object, AsyncProviderCallback, WebServiceContext)}
*/
public void invokeAsyncProvider( @NotNull Packet p, T arg, AsyncProviderCallback cbak, WebServiceContext ctxt ) throws IllegalAccessException, InvocationTargetException {
// default slow implementation that delegates to the other invoke method.
invoke(p, asyncInvokeMethod, arg, cbak, ctxt);
}
private static final Method invokeMethod;
static {
try {
invokeMethod = Provider.class.getMethod("invoke",Object.class);
} catch (NoSuchMethodException e) {
throw new AssertionError(e);
}
}
private static final Method asyncInvokeMethod;
static {
try {
asyncInvokeMethod = AsyncProvider.class.getMethod("invoke",Object.class, AsyncProviderCallback.class, WebServiceContext.class);
} catch (NoSuchMethodException e) {
throw new AssertionError(e);
}
}
}