818eb6a8db
Now PlugletEngine do not crache mozilla in case of missing jvm git-svn-id: svn://10.0.0.236/trunk@60166 18797224-902f-48f8-a5cc-f745e15eee43
136 lines
3.9 KiB
C++
136 lines
3.9 KiB
C++
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Sun Microsystems,
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* Inc. Portions created by Sun are
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* Copyright (C) 1999 Sun Microsystems, Inc. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "string.h"
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#include "PlugletEngine.h"
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#include "PlugletLoader.h"
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#include "PlugletLog.h"
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jclass PlugletLoader::clazz = NULL;
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jmethodID PlugletLoader::getMIMEDescriptionMID = NULL;
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jmethodID PlugletLoader::getPlugletMID = NULL;
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//nb for debug only
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static char *ToString(jobject obj,JNIEnv *env) {
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static jmethodID toStringID = NULL;
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if (!toStringID) {
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jclass clazz = env->FindClass("java/lang/Object");
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toStringID = env->GetMethodID(clazz,"toString","()Ljava/lang/String;");
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}
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jstring jstr = (jstring) env->CallObjectMethod(obj,toStringID);
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//nb check for jni exception
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const char * str = env->GetStringUTFChars(jstr,NULL);
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//nb check for jni exception
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char * res = new char[strlen(str)];
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strcpy(res,str);
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env->ReleaseStringUTFChars(jstr,str);
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return res;
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}
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void PlugletLoader::Initialize(void) {
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PR_LOG(PlugletLog::log, PR_LOG_DEBUG,
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("PlugletLoader::Initialize\n"));
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//nb erors handling
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JNIEnv * env = PlugletEngine::GetJNIEnv();
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if (!env) {
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return;
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}
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clazz = env->FindClass("org/mozilla/pluglet/PlugletLoader");
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if (env->ExceptionOccurred()) {
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env->ExceptionDescribe();
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clazz = NULL;
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return;
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}
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clazz = (jclass) env->NewGlobalRef(clazz);
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//nb check for jni exception
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getMIMEDescriptionMID = env->GetStaticMethodID(clazz,"getMIMEDescription","(Ljava/lang/String;)Ljava/lang/String;");
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if (env->ExceptionOccurred()) {
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env->ExceptionDescribe();
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clazz = NULL;
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return;
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}
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getPlugletMID = env->GetStaticMethodID(clazz,"getPluglet","(Ljava/lang/String;)Lorg/mozilla/pluglet/PlugletFactory;");
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if (env->ExceptionOccurred()) {
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env->ExceptionDescribe();
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clazz = NULL;
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return;
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}
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}
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void PlugletLoader::Destroy(void) {
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PR_LOG(PlugletLog::log, PR_LOG_DEBUG,
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("PlugletLoader::destroy\n"));
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JNIEnv * env = PlugletEngine::GetJNIEnv();
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if (env) {
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env->DeleteGlobalRef(clazz);
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}
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}
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char * PlugletLoader::GetMIMEDescription(const char * path) {
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PR_LOG(PlugletLog::log, PR_LOG_DEBUG,
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("PlugletLoader::GetMIMEDescription\n"));
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if (!clazz) {
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Initialize();
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if (!clazz) {
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return NULL;
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}
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}
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JNIEnv * env = PlugletEngine::GetJNIEnv();
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jstring jpath = env->NewStringUTF(path);
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//nb check for null
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jstring mimeDescription = (jstring)env->CallStaticObjectMethod(clazz,getMIMEDescriptionMID,jpath);
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if (env->ExceptionOccurred()) {
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env->ExceptionDescribe();
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return NULL;
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}
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if (!mimeDescription) {
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return NULL;
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}
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const char* str = env->GetStringUTFChars(mimeDescription,NULL);
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char *res = NULL;
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if(str) {
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res = new char[strlen(str)+1];
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strcpy(res,str);
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env->ReleaseStringUTFChars(mimeDescription,str);
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}
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return res;
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//nb possible memory leak - talk to Mozilla
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}
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jobject PlugletLoader::GetPluglet(const char * path) {
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PR_LOG(PlugletLog::log, PR_LOG_DEBUG,
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("PlugletLoader::GetPluglet\n"));
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if (!clazz) {
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Initialize();
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if (!clazz) {
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return NULL;
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}
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}
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JNIEnv * env = PlugletEngine::GetJNIEnv();
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jstring jpath = env->NewStringUTF(path);
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jobject jpluglet = env->CallStaticObjectMethod(clazz,getPlugletMID,jpath);
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//nb check for jni exc
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if (jpluglet) {
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jpluglet = env->NewGlobalRef(jpluglet);
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}
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return jpluglet;
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}
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