pi3requestdispatcher.cpp

来自「mini http server,可以集成嵌入到程序中,实现简单的web功能」· C++ 代码 · 共 148 行

/*____________________________________________________________________________*\
 *

 Copyright (c) 1997-2003 John Roy, Holger Zimmermann. All rights reserved.

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 FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
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    notice, this list of conditions and the following disclaimer. 

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    notice, this list of conditions and the following disclaimer in
    the documentation and/or other materials provided with the
    distribution.

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    derived from this software without specific prior written permission. 

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 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 IN NO EVENT SHALL THE AUTHORS OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 *____________________________________________________________________________*|
 *
 * $Source: /cvsroot/pi3web/Pi3Web_200/Source/Servlet/Pi3RequestDispatcher.cpp,v $
 * $Date: 2003/05/13 18:42:19 $
 *
 Description:
	Execute an servlet extension.

\*____________________________________________________________________________*/
//$SourceTop:$

#include <jni.h>                            /* where everything is defined */
#include "org_pi3_servlet_core_Pi3RequestDispatcher.h" /* automatically created JNI header */
#include "PiAPI.h"
#include "Pi3API.h"
#include "ServletHandler.h"

/*
 * Class:     org_pi3_servlet_core_Pi3RequestDispatcher
 * Method:    getServlet
 * Signature: (Ljava/lang/String;Ljavax/servlet/ServletRequest;)Ljavax/servlet/Servlet;
 */
JNIEXPORT jobject JNICALL Java_org_pi3_servlet_core_Pi3RequestDispatcher_getServlet
  (JNIEnv *env, jobject dsp, jstring path, jobject req) {
	jclass cls = env->GetObjectClass(req);
	jmethodID getServletHandler;
	getServletHandler = env->GetMethodID( cls, "getServletHandler", "()I");
	// Errorhandling!
	if (!getServletHandler) { return NULL; };
	env->ExceptionClear();

	int SHandler = env->CallIntMethod(req, getServletHandler);
	if ( env->ExceptionOccurred() )
		{
		env->ExceptionDescribe();
		env->ExceptionClear();
		// Errorhandling!
		return NULL;
		};

	jmethodID getPiHttp;
	getPiHttp = env->GetMethodID( cls, "getPiHttp", "()I");
	// Errorhandling!
	if (!getPiHttp) { return NULL; };
	env->ExceptionClear();

	int PiHttp = env->CallIntMethod(req, getPiHttp);
	if ( env->ExceptionOccurred() )
		{
		env->ExceptionDescribe();
		env->ExceptionClear();
		// Errorhandling!
		return NULL;
		};

	jboolean isCopy;
	const char *pPath = env->GetStringUTFChars(path, &isCopy);
	Servlet *sh = (Servlet *)SHandler;

	jobject obj = sh->GetServlet( (PIHTTP *)PiHttp, env, pPath );
	env->ReleaseStringUTFChars(path, pPath);
	return obj;
};


/*
 * Class:     org_pi3_servlet_core_Pi3RequestDispatcher
 * Method:    doHandle
 * Signature: (Ljava/lang/String;Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V
 */
JNIEXPORT void JNICALL Java_org_pi3_servlet_core_Pi3RequestDispatcher_doForward
(JNIEnv *env, jobject dsp, jstring path, jobject req, jobject res) {

	jclass cls = env->GetObjectClass(req);
	jmethodID getServletHandler;
	getServletHandler = env->GetMethodID( cls, "getServletHandler", "()I");
	// Errorhandling!
	if (!getServletHandler) { return; };
	env->ExceptionClear();

	int SHandler = env->CallIntMethod(req, getServletHandler);
	if ( env->ExceptionOccurred() )
		{
		env->ExceptionDescribe();
		env->ExceptionClear();
		// Errorhandling!
		return;
		};

	jmethodID getPiHttp;
	getPiHttp = env->GetMethodID( cls, "getPiHttp", "()I");
	// Errorhandling!
	if (!getPiHttp) { return; };
	env->ExceptionClear();

	int PiHttp = env->CallIntMethod(req, getPiHttp);
	if ( env->ExceptionOccurred() )
		{
		env->ExceptionDescribe();
		env->ExceptionClear();
		// Errorhandling!
		return;
		};

	jboolean isCopy;
	const char *pPath = env->GetStringUTFChars(path, &isCopy);
	Servlet *sh = (Servlet *)SHandler;

	sh->DoForward( (PIHTTP *)PiHttp, env, pPath, req, res );
	env->ReleaseStringUTFChars(path, pPath);
};