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Diffstat (limited to 'java/jni/ZT1_jnicache.cpp')
| -rw-r--r-- | java/jni/ZT1_jnicache.cpp | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/java/jni/ZT1_jnicache.cpp b/java/jni/ZT1_jnicache.cpp deleted file mode 100644 index 8d6305cb..00000000 --- a/java/jni/ZT1_jnicache.cpp +++ /dev/null @@ -1,242 +0,0 @@ -/* - * ZeroTier One - Network Virtualization Everywhere - * Copyright (C) 2011-2015 ZeroTier, Inc. - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - * -- - * - * ZeroTier may be used and distributed under the terms of the GPLv3, which - * are available at: http://www.gnu.org/licenses/gpl-3.0.html - * - * If you would like to embed ZeroTier into a commercial application or - * redistribute it in a modified binary form, please contact ZeroTier Networks - * LLC. Start here: http://www.zerotier.com/ - */ - -#include "ZT1_jnicache.h" -#include "ZT1_jniutils.h" - -JniCache::JniCache() - : m_jvm(NULL) - , m_classes() - , m_fields() - , m_staticFields() - , m_methods() - , m_staticMethods() -{ - LOGV("JNI Cache Created"); -} - -JniCache::JniCache(JavaVM *jvm) - : m_jvm(jvm) - , m_classes() - , m_fields() - , m_staticFields() - , m_methods() - , m_staticMethods() -{ - LOGV("JNI Cache Created"); -} - -JniCache::~JniCache() -{ - LOGV("JNI Cache Destroyed"); - clearCache(); -} - -void JniCache::clearCache() -{ - if(m_jvm) - { - JNIEnv *env = NULL; - if(m_jvm->GetEnv((void**)&env, JNI_VERSION_1_6) != JNI_OK) - return; - - for(ClassMap::iterator iter = m_classes.begin(), end = m_classes.end(); - iter != end; ++iter) - { - env->DeleteGlobalRef(iter->second); - } - } - - m_classes.clear(); - m_fields.clear(); - m_staticFields.clear(); - m_methods.clear(); - m_staticMethods.clear(); -} - -void JniCache::setJavaVM(JavaVM *jvm) -{ - LOGV("Assigned JVM to object"); - m_jvm = jvm; -} - - -jclass JniCache::findClass(const std::string &name) -{ - if(!m_jvm) - return NULL; - - ClassMap::iterator found = m_classes.find(name); - - if(found == m_classes.end()) - { - // get the class from the JVM - JNIEnv *env = NULL; - if(m_jvm->GetEnv((void**)&env, JNI_VERSION_1_6) != JNI_OK) - { - LOGE("Error retreiving JNI Environment"); - return NULL; - } - - jclass localCls = env->FindClass(name.c_str()); - if(env->ExceptionCheck()) - { - LOGE("Error finding class: %s", name.c_str()); - return NULL; - } - - jclass cls = (jclass)env->NewGlobalRef(localCls); - - m_classes.insert(std::make_pair(name, cls)); - - return cls; - } - - LOGV("Returning cached %s", name.c_str()); - return found->second; -} - - -jmethodID JniCache::findMethod(jclass cls, const std::string &methodName, const std::string &methodSig) -{ - if(!m_jvm) - return NULL; - - std::string id = methodName + methodSig; - - MethodMap::iterator found = m_methods.find(id); - if(found == m_methods.end()) - { - JNIEnv *env = NULL; - if(m_jvm->GetEnv((void**)&env, JNI_VERSION_1_6) != JNI_OK) - { - return NULL; - } - - jmethodID mid = env->GetMethodID(cls, methodName.c_str(), methodSig.c_str()); - if(env->ExceptionCheck()) - { - return NULL; - } - - m_methods.insert(std::make_pair(id, mid)); - - return mid; - } - - return found->second; -} - -jmethodID JniCache::findStaticMethod(jclass cls, const std::string &methodName, const std::string &methodSig) -{ - if(!m_jvm) - return NULL; - - std::string id = methodName + methodSig; - - MethodMap::iterator found = m_staticMethods.find(id); - if(found == m_staticMethods.end()) - { - JNIEnv *env = NULL; - if(m_jvm->GetEnv((void**)&env, JNI_VERSION_1_6) != JNI_OK) - { - return NULL; - } - - jmethodID mid = env->GetStaticMethodID(cls, methodName.c_str(), methodSig.c_str()); - if(env->ExceptionCheck()) - { - return NULL; - } - - m_staticMethods.insert(std::make_pair(id, mid)); - - return mid; - } - - return found->second; -} - -jfieldID JniCache::findField(jclass cls, const std::string &fieldName, const std::string &typeStr) -{ - if(!m_jvm) - return NULL; - - std::string id = fieldName + typeStr; - - FieldMap::iterator found = m_fields.find(id); - if(found == m_fields.end()) - { - JNIEnv *env = NULL; - if(m_jvm->GetEnv((void**)&env, JNI_VERSION_1_6) != JNI_OK) - { - return NULL; - } - - jfieldID fid = env->GetFieldID(cls, fieldName.c_str(), typeStr.c_str()); - if(env->ExceptionCheck()) - { - return NULL; - } - - m_fields.insert(std::make_pair(id, fid)); - - return fid; - } - - return found->second; -} - -jfieldID JniCache::findStaticField(jclass cls, const std::string &fieldName, const std::string &typeStr) -{ - if(!m_jvm) - return NULL; - - std::string id = fieldName + typeStr; - - FieldMap::iterator found = m_staticFields.find(id); - if(found == m_staticFields.end()) - { - JNIEnv *env = NULL; - if(m_jvm->GetEnv((void**)&env, JNI_VERSION_1_6) != JNI_OK) - { - return NULL; - } - - jfieldID fid = env->GetStaticFieldID(cls, fieldName.c_str(), typeStr.c_str()); - if(env->ExceptionCheck()) - { - return NULL; - } - - m_staticFields.insert(std::make_pair(id, fid)); - - return fid; - } - - return found->second; -}
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