2 * //******************************************************************
4 * // Copyright 2015 Intel Corporation.
6 * //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
8 * // Licensed under the Apache License, Version 2.0 (the "License");
9 * // you may not use this file except in compliance with the License.
10 * // You may obtain a copy of the License at
12 * // http://www.apache.org/licenses/LICENSE-2.0
14 * // Unless required by applicable law or agreed to in writing, software
15 * // distributed under the License is distributed on an "AS IS" BASIS,
16 * // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * // See the License for the specific language governing permissions and
18 * // limitations under the License.
20 * //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
22 #include "JniOnObserveListener.h"
23 #include "JniOcResource.h"
24 #include "JniOcRepresentation.h"
27 JniOnObserveListener::JniOnObserveListener(JNIEnv *env, jobject jListener, JniOcResource* owner)
28 : m_ownerResource(owner)
30 m_jwListener = env->NewWeakGlobalRef(jListener);
33 JniOnObserveListener::~JniOnObserveListener()
38 JNIEnv *env = GetJNIEnv(ret);
44 env->DeleteWeakGlobalRef(m_jwListener);
45 m_jwListener = nullptr;
47 if (JNI_EDETACHED == ret)
49 g_jvm->DetachCurrentThread();
54 void JniOnObserveListener::onObserveCallback(const HeaderOptions headerOptions,
55 const OCRepresentation& ocRepresentation, const int& eCode, const int& sequenceNumber)
57 jint envRet = JNI_ERR;
58 JNIEnv *env = GetJNIEnv(envRet);
64 jobject jListener = env->NewLocalRef(m_jwListener);
67 checkExAndRemoveListener(env);
68 if (JNI_EDETACHED == envRet)
70 g_jvm->DetachCurrentThread();
74 jclass clsL = env->GetObjectClass(jListener);
77 checkExAndRemoveListener(env);
78 if (JNI_EDETACHED == envRet)
80 g_jvm->DetachCurrentThread();
85 if (OC_STACK_OK != eCode && OC_STACK_RESOURCE_CREATED != eCode && OC_STACK_RESOURCE_DELETED != eCode)
87 jobject ex = GetOcException(eCode, "stack error in onObserveCallback");
90 checkExAndRemoveListener(env);
91 if (JNI_EDETACHED == envRet)
93 g_jvm->DetachCurrentThread();
97 jmethodID midL = env->GetMethodID(clsL, "onObserveFailed", "(Ljava/lang/Throwable;)V");
100 checkExAndRemoveListener(env);
101 if (JNI_EDETACHED == envRet)
103 g_jvm->DetachCurrentThread();
107 env->CallVoidMethod(jListener, midL, ex);
111 jobject jHeaderOptionList = JniUtils::convertHeaderOptionsVectorToJavaList(env, headerOptions);
112 if (!jHeaderOptionList)
114 checkExAndRemoveListener(env);
115 if (JNI_EDETACHED == envRet)
117 g_jvm->DetachCurrentThread();
122 OCRepresentation * rep = new OCRepresentation(ocRepresentation);
123 jlong handle = reinterpret_cast<jlong>(rep);
124 jobject jRepresentation = env->NewObject(g_cls_OcRepresentation,
125 g_mid_OcRepresentation_N_ctor_bool, handle, true);
126 if (!jRepresentation)
129 checkExAndRemoveListener(env);
130 if (JNI_EDETACHED == envRet)
132 g_jvm->DetachCurrentThread();
137 jmethodID midL = env->GetMethodID(clsL, "onObserveCompleted",
138 "(Ljava/util/List;Lorg/iotivity/base/OcRepresentation;I)V");
141 checkExAndRemoveListener(env);
142 if (JNI_EDETACHED == envRet)
144 g_jvm->DetachCurrentThread();
149 env->CallVoidMethod(jListener, midL, jHeaderOptionList, jRepresentation,
150 static_cast<jint>(sequenceNumber));
151 if (env->ExceptionCheck())
153 LOGE("Java exception is thrown");
155 jthrowable ex = env->ExceptionOccurred();
156 env->ExceptionClear();
157 m_ownerResource->removeOnObserveListener(env, m_jwListener);
158 env->Throw((jthrowable)ex);
161 if (OC_OBSERVE_DEREGISTER == sequenceNumber)
163 checkExAndRemoveListener(env);
167 if (JNI_EDETACHED == envRet)
169 g_jvm->DetachCurrentThread();
173 void JniOnObserveListener::checkExAndRemoveListener(JNIEnv* env)
175 if (env->ExceptionCheck())
177 jthrowable ex = env->ExceptionOccurred();
178 env->ExceptionClear();
179 m_ownerResource->removeOnObserveListener(env, m_jwListener);
180 env->Throw((jthrowable)ex);
184 m_ownerResource->removeOnObserveListener(env, m_jwListener);