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 #define CA_OBSERVE_MAX_SEQUENCE_NUMBER 0xFFFFFF
29 JniOnObserveListener::JniOnObserveListener(JNIEnv *env, jobject jListener, RemoveListenerCallback removeListener)
30 : m_removeListener(removeListener)
32 m_jwListener = env->NewWeakGlobalRef(jListener);
35 JniOnObserveListener::~JniOnObserveListener()
40 JNIEnv *env = GetJNIEnv(ret);
46 env->DeleteWeakGlobalRef(m_jwListener);
47 m_jwListener = nullptr;
49 if (JNI_EDETACHED == ret)
51 g_jvm->DetachCurrentThread();
56 void JniOnObserveListener::onObserveCallback(const HeaderOptions headerOptions,
57 const OCRepresentation& ocRepresentation, const int& eCode, const int& sequenceNumber)
59 jint envRet = JNI_ERR;
60 JNIEnv *env = GetJNIEnv(envRet);
66 if (nullptr == m_jwListener)
68 LOGE("listener is not available");
69 if (JNI_EDETACHED == envRet)
71 g_jvm->DetachCurrentThread();
76 jobject jListener = env->NewLocalRef(m_jwListener);
79 checkExAndRemoveListener(env);
80 if (JNI_EDETACHED == envRet)
82 g_jvm->DetachCurrentThread();
87 jclass clsL = env->GetObjectClass(jListener);
90 env->DeleteLocalRef(jListener);
91 checkExAndRemoveListener(env);
92 if (JNI_EDETACHED == envRet)
94 g_jvm->DetachCurrentThread();
99 if (OC_STACK_OK != eCode && OC_STACK_RESOURCE_CREATED != eCode &&
100 OC_STACK_RESOURCE_DELETED != eCode && OC_STACK_RESOURCE_CHANGED != eCode)
102 jobject ex = GetOcException(eCode, "stack error in onObserveCallback");
108 jmethodID midL = env->GetMethodID(clsL, "onObserveFailed", "(Ljava/lang/Throwable;)V");
111 env->DeleteLocalRef(ex);
114 env->CallVoidMethod(jListener, midL, ex);
118 jobject jHeaderOptionList = JniUtils::convertHeaderOptionsVectorToJavaList(env, headerOptions);
119 if (!jHeaderOptionList)
124 OCRepresentation * rep = new OCRepresentation(ocRepresentation);
125 jlong handle = reinterpret_cast<jlong>(rep);
126 jobject jRepresentation = env->NewObject(g_cls_OcRepresentation,
127 g_mid_OcRepresentation_N_ctor_bool, handle, true);
128 if (!jRepresentation)
131 env->DeleteLocalRef(jHeaderOptionList);
135 jmethodID midL = env->GetMethodID(clsL, "onObserveCompleted",
136 "(Ljava/util/List;Lorg/iotivity/base/OcRepresentation;I)V");
139 env->DeleteLocalRef(jRepresentation);
140 env->DeleteLocalRef(jHeaderOptionList);
144 env->CallVoidMethod(jListener, midL, jHeaderOptionList, jRepresentation,
145 static_cast<jint>(sequenceNumber));
146 if (env->ExceptionCheck())
148 LOGE("Java exception is thrown");
150 env->DeleteLocalRef(jRepresentation);
151 env->DeleteLocalRef(jHeaderOptionList);
152 jthrowable ex = env->ExceptionOccurred();
153 env->ExceptionClear();
154 m_removeListener(env, m_jwListener);
155 env->Throw((jthrowable)ex);
158 if (CA_OBSERVE_MAX_SEQUENCE_NUMBER + 1 == sequenceNumber)
160 LOGI("Observe De-registration action is successful");
165 env->DeleteLocalRef(clsL);
166 env->DeleteLocalRef(jListener);
167 if (JNI_EDETACHED == envRet)
169 g_jvm->DetachCurrentThread();
174 env->DeleteLocalRef(clsL);
175 env->DeleteLocalRef(jListener);
176 checkExAndRemoveListener(env);
177 if (JNI_EDETACHED == envRet)
179 g_jvm->DetachCurrentThread();
183 void JniOnObserveListener::checkExAndRemoveListener(JNIEnv* env)
185 LOGI("checkExAndRemoveListener");
186 if (env->ExceptionCheck())
188 jthrowable ex = env->ExceptionOccurred();
189 env->ExceptionClear();
190 m_removeListener(env, m_jwListener);
191 env->Throw((jthrowable)ex);
195 m_removeListener(env, m_jwListener);
199 jweak JniOnObserveListener::getJWListener()
201 return this->m_jwListener;