pi3httpservletrequest.cpp

mini http server,可以集成嵌入到程序中,实现简单的web功能

/*____________________________________________________________________________*\
 *

 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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 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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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/Pi3HttpServletRequest.cpp,v $
 * $Date: 2003/05/13 18:42:19 $
 *
 Description:
	Execute an servlet extension.

\*____________________________________________________________________________*/
//$SourceTop:$

#include <ctype.h>
#include <jni.h>                                         /* where everything is defined */
#include "org_pi3_servlet_core_Pi3HttpServletRequest.h" /* automatically created JNI header */
#include "PiAPI.h"
#include "Pi2API.h"
#include "Pi3API.h"
#include "ServletHandler.h"
#include "StrToken.h"

/*
 * Class:     org_pi3_servlet_core_Pi3HttpServletRequest
 * Method:    createSession
 * Signature: ()Ljavax/servlet/http/HttpSession;
 */
JNIEXPORT jobject JNICALL Java_org_pi3_servlet_core_Pi3HttpServletRequest_createSession
(JNIEnv *env, jobject request) {

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

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

	Servlet *sh = (Servlet *)SHandler;
	return sh->CreateSession( (PIHTTP *)PiHttp, env );
};


/*
 * Class:     org_pi3_servlet_core_Pi3HttpServletRequest
 * Method:    getCookies
 * Signature: ()[Ljavax/servlet/http/Cookie;
 */
JNIEXPORT jobjectArray JNICALL Java_org_pi3_servlet_core_Pi3HttpServletRequest_getCookies
(JNIEnv *env, jobject request) {

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

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

	Servlet *sh = (Servlet *)SHandler;
	const char *szCookie = sh->GetRequestVariable( (PIHTTP *)PiHttp, KEY_HTTP_COOKIE );
	if (!szCookie) { return NULL; };

	const char *tToken;
	StringTokenizer tTokens = StringTokenizer(szCookie, ";");
	jclass cookiecls = env->FindClass("javax/servlet/http/Cookie");
	if (!cookiecls) { return NULL; };

	jmethodID cookieMID = env->GetMethodID( cookiecls, "<init>",
		"(Ljava/lang/String;Ljava/lang/String;)V");
    if (!cookieMID) { return NULL; };

	jobjectArray cookies = env->NewObjectArray(tTokens.NumTokens(), cookiecls, NULL);

	for (int i = 0; i < tTokens.NumTokens(); i++ ) {
		tToken = tTokens.GetToken(i);

		/* --- skip leading whitespace --- */
		for( ; *tToken && (isspace(*tToken)); *tToken++ );

		PIString sValue = PIString(DeQuote(strrchr(tToken, '=') + 1));
		PIString sName = PIString(tToken, strrchr(tToken, '=') - tToken);
		jstring jName = env->NewStringUTF(sName);
		jstring jValue = env->NewStringUTF(sValue);
		jobject cookie = env->NewObject( cookiecls, cookieMID, jName, jValue);
		env->SetObjectArrayElement(cookies, i, cookie);
	};

	return cookies;
};


/*
 * Class:     org_pi3_servlet_core_Pi3HttpServletRequest
 * Method:    getRealPath
 * Signature: (Ljava/lang/String;)Ljava/lang/String;
 */
JNIEXPORT jstring JNICALL Java_org_pi3_servlet_core_Pi3HttpServletRequest_getRealPath
(JNIEnv *env, jobject request, jstring path) {

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

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

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

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

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

	const char *pPathTranslated = sh->GetPathTranslated( (PIHTTP *)PiHttp, pPath );
	env->ReleaseStringUTFChars(path, pPath);
	return pPathTranslated ? env->NewStringUTF( pPathTranslated ) : env->NewStringUTF("");
};