Initial pluglets checkin.

git-svn-id: svn://10.0.0.236/trunk@44978 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/java/plugins/src/PlugletLoader.cpp

@@ -0,0 +1,124 @@
+/* 
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Initial Developer of the Original Code is Sun Microsystems,
+ * Inc. Portions created by Sun are Copyright (C) 1999 Sun Microsystems,
+ * Inc. All Rights Reserved. 
+ */
+#include "PlugletLoader.h"
+#include "PlugletEngine.h"
+#include "string.h"
+
+jclass PlugletLoader::clazz = NULL;
+jmethodID PlugletLoader::getMIMEDescriptionMID = NULL;
+jmethodID PlugletLoader::getPlugletMID = NULL;
+
+//nb for debug only
+static char *ToString(jobject obj,JNIEnv *env) {
+	static jmethodID toStringID = NULL;
+	if (!toStringID) {
+	    jclass clazz = env->FindClass("java/lang/Object");
+	    toStringID = env->GetMethodID(clazz,"toString","()Ljava/lang/String;");
+	}
+	jstring jstr = (jstring) env->CallObjectMethod(obj,toStringID);
+	//nb check for jni exception
+	const char * str = env->GetStringUTFChars(jstr,NULL);
+	//nb check for jni exception
+	char * res = new char[strlen(str)];
+	strcpy(res,str);
+	env->ReleaseStringUTFChars(jstr,str);
+	return res;
+}
+
+void PlugletLoader::Initialize(void) {
+    //nb erors handling
+    JNIEnv * env = PlugletEngine::GetJNIEnv();
+    clazz = env->FindClass("org/mozilla/pluglet/PlugletLoader");
+    if (env->ExceptionOccurred()) {
+	env->ExceptionDescribe();
+        clazz = NULL;
+	return;
+    }
+    clazz = (jclass) env->NewGlobalRef(clazz);
+    //nb check for jni exception
+    getMIMEDescriptionMID = env->GetStaticMethodID(clazz,"getMIMEDescription","(Ljava/lang/String;)Ljava/lang/String;");
+    if (env->ExceptionOccurred()) {
+	env->ExceptionDescribe();
+        clazz = NULL;
+	return;
+    }
+    getPlugletMID = env->GetStaticMethodID(clazz,"getPluglet","(Ljava/lang/String;)Lorg/mozilla/pluglet/Pluglet;");
+    if (env->ExceptionOccurred()) {
+	env->ExceptionDescribe();
+        clazz = NULL;
+	return;
+    }
+}
+
+void PlugletLoader::Destroy(void) {
+    JNIEnv * env = PlugletEngine::GetJNIEnv();
+    env->DeleteGlobalRef(clazz);
+}
+
+char * PlugletLoader::GetMIMEDescription(const char * path) {
+    if (!clazz) {
+	Initialize();
+	if (!clazz) {
+	    return NULL;
+	}
+    }
+    JNIEnv * env = PlugletEngine::GetJNIEnv();
+    jstring jpath =  env->NewStringUTF(path);
+    //nb check for null
+    jstring mimeDescription = (jstring)env->CallStaticObjectMethod(clazz,getMIMEDescriptionMID,jpath);
+    if (env->ExceptionOccurred()) {
+        env->ExceptionDescribe();
+	return NULL;
+    }
+    if (!mimeDescription) {
+	return NULL;
+    }
+    
+    const char* str = env->GetStringUTFChars(mimeDescription,NULL);
+    char *res = NULL;
+    if(str) {
+	res = new char[strlen(str)+1];
+	strcpy(res,str);
+	env->ReleaseStringUTFChars(mimeDescription,str);
+    }
+    return res;
+    //nb possible memory leak - talk to Mozilla
+}
+
+jobject PlugletLoader::GetPluglet(const char * path) {
+    if (!clazz) {
+	Initialize();
+	if (!clazz) {
+	    return NULL;
+	}
+    }    
+    JNIEnv * env = PlugletEngine::GetJNIEnv();
+    jstring jpath =  env->NewStringUTF(path);
+    jobject jpluglet = env->CallStaticObjectMethod(clazz,getPlugletMID,jpath);
+    //nb check for jni exc
+    if (jpluglet) {
+	jpluglet = env->NewGlobalRef(jpluglet);
+    }
+    return jpluglet;
+}
+
+
+
+
+
+
+
+