examples/tv-app/android/java/ChannelManager.cpp - third_party/github/project-chip/connectedhomeip - Git at Google

 /**
  *
  *    Copyright (c) 2021 Project CHIP Authors
  *
  *    Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
  *
  *    Unless required by applicable law or agreed to in writing, software
  *    distributed under the License is distributed on an "AS IS" BASIS,
  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *    See the License for the specific language governing permissions and
  *    limitations under the License.
  */

 #include "ChannelManager.h"
 #include "TvApp-JNI.h"
 #include <app-common/zap-generated/attributes/Accessors.h>
 #include <app-common/zap-generated/ids/Clusters.h>
 #include <cstdlib>
 #include <jni.h>
 #include <lib/core/CHIPSafeCasts.h>
 #include <lib/support/CHIPJNIError.h>
 #include <lib/support/JniReferences.h>
 #include <lib/support/JniTypeWrappers.h>

 using namespace chip;
 using namespace chip::app;
 using namespace chip::app::Clusters::Channel;
 using namespace chip::Uint8;

 /** @brief Channel  Cluster Init
  *
  * This function is called when a specific cluster is initialized. It gives the
  * application an opportunity to take care of cluster initialization procedures.
  * It is called exactly once for each endpoint where cluster is present.
  *
  * @param endpoint   Ver.: always
  *
  */
 void emberAfChannelClusterInitCallback(EndpointId endpoint)
 {
     ChipLogProgress(Zcl, "TV Android App: Channel::PostClusterInit");
     TvAppJNIMgr().PostClusterInit(chip::app::Clusters::Channel::Id, endpoint);
 }

 void ChannelManager::NewManager(jint endpoint, jobject manager)
 {
     ChipLogProgress(Zcl, "TV Android App: Channel::SetDefaultDelegate");
     ChannelManager * mgr = new ChannelManager();
     mgr->InitializeWithObjects(manager);
     chip::app::Clusters::Channel::SetDefaultDelegate(static_cast<EndpointId>(endpoint), mgr);
 }

 CHIP_ERROR ChannelManager::HandleGetChannelList(AttributeValueEncoder & aEncoder)
 {
     CHIP_ERROR err = CHIP_NO_ERROR;
     JNIEnv * env   = JniReferences::GetInstance().GetEnvForCurrentThread();

     ChipLogProgress(Zcl, "Received ChannelManager::HandleGetChannelList");
     VerifyOrExit(mChannelManagerObject != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
     VerifyOrExit(mGetChannelListMethod != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
     VerifyOrExit(env != NULL, err = CHIP_JNI_ERROR_NO_ENV);

     return aEncoder.EncodeList([this, env](const auto & encoder) -> CHIP_ERROR {
         jobjectArray channelInfoList = (jobjectArray) env->CallObjectMethod(mChannelManagerObject, mGetChannelListMethod);
         if (env->ExceptionCheck())
         {
             ChipLogError(Zcl, "Java exception in ChannelManager::HandleGetChannelList");
             env->ExceptionDescribe();
             env->ExceptionClear();
             return CHIP_ERROR_INCORRECT_STATE;
         }

         jint length = env->GetArrayLength(channelInfoList);

         for (jint i = 0; i < length; i++)
         {
             chip::app::Clusters::Channel::Structs::ChannelInfo::Type channelInfo;
             jobject channelObject = env->GetObjectArrayElement(channelInfoList, i);
             jclass channelClass   = env->GetObjectClass(channelObject);

             jfieldID getCallSignField = env->GetFieldID(channelClass, "callSign", "Ljava/lang/String;");
             jstring jcallSign         = static_cast<jstring>(env->GetObjectField(channelObject, getCallSignField));
             JniUtfString callsign(env, jcallSign);
             if (jcallSign != nullptr)
             {
                 channelInfo.callSign = Optional<CharSpan>(callsign.charSpan());
             }

             jfieldID getNameField = env->GetFieldID(channelClass, "name", "Ljava/lang/String;");
             jstring jname         = static_cast<jstring>(env->GetObjectField(channelObject, getNameField));
             JniUtfString name(env, jname);
             if (jname != nullptr)
             {
                 channelInfo.name = Optional<CharSpan>(name.charSpan());
             }

             jfieldID getJaffiliateCallSignField = env->GetFieldID(channelClass, "affiliateCallSign", "Ljava/lang/String;");
             jstring jaffiliateCallSign = static_cast<jstring>(env->GetObjectField(channelObject, getJaffiliateCallSignField));
             JniUtfString affiliateCallSign(env, jaffiliateCallSign);
             if (jaffiliateCallSign != nullptr)
             {
                 channelInfo.affiliateCallSign = Optional<CharSpan>(affiliateCallSign.charSpan());
             }

             jfieldID majorNumField  = env->GetFieldID(channelClass, "majorNumber", "I");
             jint jmajorNum          = env->GetIntField(channelObject, majorNumField);
             channelInfo.majorNumber = static_cast<uint16_t>(jmajorNum);

             jfieldID minorNumField  = env->GetFieldID(channelClass, "minorNumber", "I");
             jint jminorNum          = env->GetIntField(channelObject, minorNumField);
             channelInfo.minorNumber = static_cast<uint16_t>(jminorNum);

             ReturnErrorOnFailure(encoder.Encode(channelInfo));
         }

         return CHIP_NO_ERROR;
     });

 exit:
     if (err != CHIP_NO_ERROR)
     {
         ChipLogError(Zcl, "ChannelManager::getChannelList status error: %s", err.AsString());
     }

     return err;
 }

 CHIP_ERROR ChannelManager::HandleGetLineup(AttributeValueEncoder & aEncoder)
 {
     chip::app::Clusters::Channel::Structs::LineupInfo::Type lineupInfo;
     CHIP_ERROR err = CHIP_NO_ERROR;
     JNIEnv * env   = JniReferences::GetInstance().GetEnvForCurrentThread();

     ChipLogProgress(Zcl, "Received ChannelManager::HandleGetLineup");
     VerifyOrExit(mChannelManagerObject != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
     VerifyOrExit(mGetLineupMethod != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
     VerifyOrExit(env != NULL, err = CHIP_JNI_ERROR_NO_ENV);

     {
         jobject channelLineupObject = env->CallObjectMethod(mChannelManagerObject, mGetLineupMethod);
         if (channelLineupObject != nullptr)
         {
             jclass channelLineupClazz = env->GetObjectClass(channelLineupObject);

             jfieldID operatorNameFild = env->GetFieldID(channelLineupClazz, "operatorName", "Ljava/lang/String;");
             jstring joperatorName     = static_cast<jstring>(env->GetObjectField(channelLineupObject, operatorNameFild));
             JniUtfString operatorName(env, joperatorName);
             if (joperatorName != nullptr)
             {
                 lineupInfo.operatorName = operatorName.charSpan();
             }

             jfieldID lineupNameFild = env->GetFieldID(channelLineupClazz, "lineupName", "Ljava/lang/String;");
             jstring jlineupName     = static_cast<jstring>(env->GetObjectField(channelLineupObject, lineupNameFild));
             JniUtfString lineupName(env, jlineupName);
             if (jlineupName != nullptr)
             {
                 lineupInfo.lineupName = Optional<CharSpan>(lineupName.charSpan());
             }

             jfieldID postalCodeFild = env->GetFieldID(channelLineupClazz, "postalCode", "Ljava/lang/String;");
             jstring jpostalCode     = static_cast<jstring>(env->GetObjectField(channelLineupObject, postalCodeFild));
             JniUtfString postalCode(env, jpostalCode);
             if (jpostalCode != nullptr)
             {
                 lineupInfo.postalCode = Optional<CharSpan>(postalCode.charSpan());
             }

             jfieldID lineupInfoTypeFild = env->GetFieldID(channelLineupClazz, "lineupInfoType", "I");
             jint jlineupInfoType        = (env->GetIntField(channelLineupObject, lineupInfoTypeFild));
             lineupInfo.lineupInfoType   = static_cast<app::Clusters::Channel::LineupInfoTypeEnum>(jlineupInfoType);

             err = aEncoder.Encode(lineupInfo);
         }
         else
         {
             err = aEncoder.EncodeNull();
         }
     }

 exit:
     if (err != CHIP_NO_ERROR)
     {
         ChipLogError(Zcl, "ChannelManager::getChannelLineup status error: %s", err.AsString());
     }

     return err;
 }

 CHIP_ERROR ChannelManager::HandleGetCurrentChannel(AttributeValueEncoder & aEncoder)
 {
     chip::app::Clusters::Channel::Structs::ChannelInfo::Type channelInfo;
     CHIP_ERROR err = CHIP_NO_ERROR;
     JNIEnv * env   = JniReferences::GetInstance().GetEnvForCurrentThread();
     ChipLogProgress(Zcl, "Received ChannelManager::HandleGetCurrentChannel");
     VerifyOrExit(mChannelManagerObject != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
     VerifyOrExit(mGetCurrentChannelMethod != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
     VerifyOrExit(env != NULL, err = CHIP_JNI_ERROR_NO_ENV);

     {
         jobject channelInfoObject = env->CallObjectMethod(mChannelManagerObject, mGetCurrentChannelMethod);
         if (channelInfoObject != nullptr)
         {
             jclass channelClass = env->GetObjectClass(channelInfoObject);

             jfieldID getCallSignField = env->GetFieldID(channelClass, "callSign", "Ljava/lang/String;");
             jstring jcallSign         = static_cast<jstring>(env->GetObjectField(channelInfoObject, getCallSignField));
             JniUtfString callsign(env, jcallSign);
             if (jcallSign != nullptr)
             {
                 channelInfo.callSign = Optional<CharSpan>(callsign.charSpan());
             }

             jfieldID getNameField = env->GetFieldID(channelClass, "name", "Ljava/lang/String;");
             jstring jname         = static_cast<jstring>(env->GetObjectField(channelInfoObject, getNameField));
             JniUtfString name(env, jname);
             if (jname != nullptr)
             {
                 channelInfo.name = Optional<CharSpan>(name.charSpan());
             }

             jfieldID getJaffiliateCallSignField = env->GetFieldID(channelClass, "affiliateCallSign", "Ljava/lang/String;");
             jstring jaffiliateCallSign = static_cast<jstring>(env->GetObjectField(channelInfoObject, getJaffiliateCallSignField));
             JniUtfString affiliateCallSign(env, jaffiliateCallSign);
             if (jaffiliateCallSign != nullptr)
             {
                 channelInfo.affiliateCallSign = Optional<CharSpan>(affiliateCallSign.charSpan());
             }

             jfieldID majorNumField  = env->GetFieldID(channelClass, "majorNumber", "I");
             jint jmajorNum          = env->GetIntField(channelInfoObject, majorNumField);
             channelInfo.majorNumber = static_cast<uint16_t>(jmajorNum);

             jfieldID minorNumField  = env->GetFieldID(channelClass, "minorNumber", "I");
             jint jminorNum          = env->GetIntField(channelInfoObject, minorNumField);
             channelInfo.minorNumber = static_cast<uint16_t>(jminorNum);

             err = aEncoder.Encode(channelInfo);
         }
         else
         {
             err = aEncoder.EncodeNull();
             return err;
         }
     }

 exit:
     if (err != CHIP_NO_ERROR)
     {
         ChipLogError(Zcl, "ChannelManager::HandleGetCurrentChannel status error: %s", err.AsString());
     }

     return err;
 }

 void ChannelManager::HandleChangeChannel(CommandResponseHelper<ChangeChannelResponseType> & helper, const CharSpan & match)
 {
     std::string name(match.data(), match.size());
     JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

     ChipLogProgress(Zcl, "Received ChannelManager::HandleChangeChannel name %s", name.c_str());
     VerifyOrExit(mChannelManagerObject != nullptr, ChipLogError(Zcl, "mChannelManagerObject null"));
     VerifyOrExit(mChangeChannelMethod != nullptr, ChipLogError(Zcl, "mChangeChannelMethod null"));
     VerifyOrExit(env != NULL, ChipLogError(Zcl, "env null"));

     {
         UtfString jniname(env, name.c_str());
         env->ExceptionClear();
         jobject channelObject = env->CallObjectMethod(mChannelManagerObject, mChangeChannelMethod, jniname.jniValue());
         if (env->ExceptionCheck())
         {
             ChipLogError(DeviceLayer, "Java exception in ChannelManager::HandleChangeChannel");
             env->ExceptionDescribe();
             env->ExceptionClear();
             goto exit;
         }

         jclass channelClass = env->GetObjectClass(channelObject);

         ChangeChannelResponseType response;

         jfieldID getStatusField = env->GetFieldID(channelClass, "status", "I");
         jint jstatus            = env->GetIntField(channelObject, getStatusField);
         response.status         = static_cast<app::Clusters::Channel::ChannelStatusEnum>(jstatus);

         jfieldID getNameField = env->GetFieldID(channelClass, "name", "Ljava/lang/String;");
         jstring jname         = static_cast<jstring>(env->GetObjectField(channelObject, getNameField));
         JniUtfString junitname(env, jname);
         if (jname != NULL)
         {
             response.data = MakeOptional(junitname.charSpan());
         }

         helper.Success(response);
     }

 exit:
     return;
 }

 bool ChannelManager::HandleChangeChannelByNumber(const uint16_t & majorNumber, const uint16_t & minorNumber)
 {
     jboolean ret = JNI_FALSE;
     JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

     ChipLogProgress(Zcl, "Received ChannelManager::HandleChangeChannelByNumber majorNumber %d, minorNumber %d", majorNumber,
                     minorNumber);
     VerifyOrExit(mChannelManagerObject != nullptr, ChipLogError(Zcl, "mChannelManagerObject null"));
     VerifyOrExit(mChangeChannelByNumberMethod != nullptr, ChipLogError(Zcl, "mChangeChannelByNumberMethod null"));
     VerifyOrExit(env != NULL, ChipLogError(Zcl, "env null"));

     env->ExceptionClear();

     ret = env->CallBooleanMethod(mChannelManagerObject, mChangeChannelByNumberMethod, static_cast<jint>(majorNumber),
                                  static_cast<jint>(minorNumber));
     if (env->ExceptionCheck())
     {
         ChipLogError(DeviceLayer, "Java exception in ChannelManager::changeChannelByNumber");
         env->ExceptionDescribe();
         env->ExceptionClear();
         return false;
     }

 exit:
     return static_cast<bool>(ret);
 }

 bool ChannelManager::HandleSkipChannel(const uint16_t & count)
 {
     jboolean ret = JNI_FALSE;
     JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

     ChipLogProgress(Zcl, "Received ChannelManager::HandleSkipChannel count %d", count);
     VerifyOrExit(mChannelManagerObject != nullptr, ChipLogError(Zcl, "mChannelManagerObject null"));
     VerifyOrExit(mSkipChannelMethod != nullptr, ChipLogError(Zcl, "mSkipChannelMethod null"));
     VerifyOrExit(env != NULL, ChipLogError(Zcl, "env null"));

     env->ExceptionClear();

     ret = env->CallBooleanMethod(mChannelManagerObject, mSkipChannelMethod, static_cast<jint>(count));
     if (env->ExceptionCheck())
     {
         ChipLogError(DeviceLayer, "Java exception in ChannelManager::HandleSkipChannel");
         env->ExceptionDescribe();
         env->ExceptionClear();
         return false;
     }

 exit:
     return static_cast<bool>(ret);
 }

 void ChannelManager::InitializeWithObjects(jobject managerObject)
 {
     JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
     VerifyOrReturn(env != nullptr, ChipLogError(Zcl, "Failed to GetEnvForCurrentThread for ChannelManager"));

     mChannelManagerObject = env->NewGlobalRef(managerObject);
     VerifyOrReturn(mChannelManagerObject != nullptr, ChipLogError(Zcl, "Failed to NewGlobalRef ChannelManager"));

     jclass managerClass = env->GetObjectClass(mChannelManagerObject);
     VerifyOrReturn(managerClass != nullptr, ChipLogError(Zcl, "Failed to get ChannelManager Java class"));

     mGetChannelListMethod = env->GetMethodID(managerClass, "getChannelList", "()[Lcom/matter/tv/server/tvapp/ChannelInfo;");
     if (mGetChannelListMethod == nullptr)
     {
         ChipLogError(Zcl, "Failed to access ChannelManager 'getChannelList' method");
         env->ExceptionClear();
     }

     mGetLineupMethod = env->GetMethodID(managerClass, "getLineup", "()Lcom/matter/tv/server/tvapp/ChannelLineupInfo;");
     if (mGetLineupMethod == nullptr)
     {
         ChipLogError(Zcl, "Failed to access ChannelManager 'getLineup' method");
         env->ExceptionClear();
     }

     mGetCurrentChannelMethod = env->GetMethodID(managerClass, "getCurrentChannel", "()Lcom/matter/tv/server/tvapp/ChannelInfo;");
     if (mGetCurrentChannelMethod == nullptr)
     {
         ChipLogError(Zcl, "Failed to access ChannelManager 'getCurrentChannel' method");
         env->ExceptionClear();
     }

     mChangeChannelMethod =
         env->GetMethodID(managerClass, "changeChannel", "(Ljava/lang/String;)Lcom/matter/tv/server/tvapp/ChannelInfo;");
     if (mChangeChannelMethod == nullptr)
     {
         ChipLogError(Zcl, "Failed to access ChannelManager 'changeChannel' method");
         env->ExceptionClear();
     }

     mChangeChannelByNumberMethod = env->GetMethodID(managerClass, "changeChannelByNumber", "(II)Z");
     if (mChangeChannelByNumberMethod == nullptr)
     {
         ChipLogError(Zcl, "Failed to access ChannelManager 'changeChannelByNumber' method");
         env->ExceptionClear();
     }

     mSkipChannelMethod = env->GetMethodID(managerClass, "skipChannel", "(I)Z");
     if (mSkipChannelMethod == nullptr)
     {
         ChipLogError(Zcl, "Failed to access ChannelManager 'skipChannel' method");
         env->ExceptionClear();
     }
 }

 uint32_t ChannelManager::GetFeatureMap(chip::EndpointId endpoint)
 {
     if (endpoint >= EMBER_AF_CONTENT_LAUNCHER_CLUSTER_SERVER_ENDPOINT_COUNT)
     {
         return mDynamicEndpointFeatureMap;
     }

     uint32_t featureMap = 0;
     Attributes::FeatureMap::Get(endpoint, &featureMap);
     return featureMap;
 }
	/**
	*
	* Copyright (c) 2021 Project CHIP Authors
	*
	* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include "ChannelManager.h"
	#include "TvApp-JNI.h"
	#include <app-common/zap-generated/attributes/Accessors.h>
	#include <app-common/zap-generated/ids/Clusters.h>
	#include <cstdlib>
	#include <jni.h>
	#include <lib/core/CHIPSafeCasts.h>
	#include <lib/support/CHIPJNIError.h>
	#include <lib/support/JniReferences.h>
	#include <lib/support/JniTypeWrappers.h>

	using namespace chip;
	using namespace chip::app;
	using namespace chip::app::Clusters::Channel;
	using namespace chip::Uint8;

	/** @brief Channel Cluster Init
	*
	* This function is called when a specific cluster is initialized. It gives the
	* application an opportunity to take care of cluster initialization procedures.
	* It is called exactly once for each endpoint where cluster is present.
	*
	* @param endpoint Ver.: always
	*
	*/
	void emberAfChannelClusterInitCallback(EndpointId endpoint)
	{
	ChipLogProgress(Zcl, "TV Android App: Channel::PostClusterInit");
	TvAppJNIMgr().PostClusterInit(chip::app::Clusters::Channel::Id, endpoint);
	}

	void ChannelManager::NewManager(jint endpoint, jobject manager)
	{
	ChipLogProgress(Zcl, "TV Android App: Channel::SetDefaultDelegate");
	ChannelManager * mgr = new ChannelManager();
	mgr->InitializeWithObjects(manager);
	chip::app::Clusters::Channel::SetDefaultDelegate(static_cast<EndpointId>(endpoint), mgr);
	}

	CHIP_ERROR ChannelManager::HandleGetChannelList(AttributeValueEncoder & aEncoder)
	{
	CHIP_ERROR err = CHIP_NO_ERROR;
	JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

	ChipLogProgress(Zcl, "Received ChannelManager::HandleGetChannelList");
	VerifyOrExit(mChannelManagerObject != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
	VerifyOrExit(mGetChannelListMethod != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
	VerifyOrExit(env != NULL, err = CHIP_JNI_ERROR_NO_ENV);

	return aEncoder.EncodeList([this, env](const auto & encoder) -> CHIP_ERROR {
	jobjectArray channelInfoList = (jobjectArray) env->CallObjectMethod(mChannelManagerObject, mGetChannelListMethod);
	if (env->ExceptionCheck())
	{
	ChipLogError(Zcl, "Java exception in ChannelManager::HandleGetChannelList");
	env->ExceptionDescribe();
	env->ExceptionClear();
	return CHIP_ERROR_INCORRECT_STATE;
	}

	jint length = env->GetArrayLength(channelInfoList);

	for (jint i = 0; i < length; i++)
	{
	chip::app::Clusters::Channel::Structs::ChannelInfo::Type channelInfo;
	jobject channelObject = env->GetObjectArrayElement(channelInfoList, i);
	jclass channelClass = env->GetObjectClass(channelObject);

	jfieldID getCallSignField = env->GetFieldID(channelClass, "callSign", "Ljava/lang/String;");
	jstring jcallSign = static_cast<jstring>(env->GetObjectField(channelObject, getCallSignField));
	JniUtfString callsign(env, jcallSign);
	if (jcallSign != nullptr)
	{
	channelInfo.callSign = Optional<CharSpan>(callsign.charSpan());
	}

	jfieldID getNameField = env->GetFieldID(channelClass, "name", "Ljava/lang/String;");
	jstring jname = static_cast<jstring>(env->GetObjectField(channelObject, getNameField));
	JniUtfString name(env, jname);
	if (jname != nullptr)
	{
	channelInfo.name = Optional<CharSpan>(name.charSpan());
	}

	jfieldID getJaffiliateCallSignField = env->GetFieldID(channelClass, "affiliateCallSign", "Ljava/lang/String;");
	jstring jaffiliateCallSign = static_cast<jstring>(env->GetObjectField(channelObject, getJaffiliateCallSignField));
	JniUtfString affiliateCallSign(env, jaffiliateCallSign);
	if (jaffiliateCallSign != nullptr)
	{
	channelInfo.affiliateCallSign = Optional<CharSpan>(affiliateCallSign.charSpan());
	}

	jfieldID majorNumField = env->GetFieldID(channelClass, "majorNumber", "I");
	jint jmajorNum = env->GetIntField(channelObject, majorNumField);
	channelInfo.majorNumber = static_cast<uint16_t>(jmajorNum);

	jfieldID minorNumField = env->GetFieldID(channelClass, "minorNumber", "I");
	jint jminorNum = env->GetIntField(channelObject, minorNumField);
	channelInfo.minorNumber = static_cast<uint16_t>(jminorNum);

	ReturnErrorOnFailure(encoder.Encode(channelInfo));
	}

	return CHIP_NO_ERROR;
	});

	exit:
	if (err != CHIP_NO_ERROR)
	{
	ChipLogError(Zcl, "ChannelManager::getChannelList status error: %s", err.AsString());
	}

	return err;
	}

	CHIP_ERROR ChannelManager::HandleGetLineup(AttributeValueEncoder & aEncoder)
	{
	chip::app::Clusters::Channel::Structs::LineupInfo::Type lineupInfo;
	CHIP_ERROR err = CHIP_NO_ERROR;
	JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

	ChipLogProgress(Zcl, "Received ChannelManager::HandleGetLineup");
	VerifyOrExit(mChannelManagerObject != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
	VerifyOrExit(mGetLineupMethod != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
	VerifyOrExit(env != NULL, err = CHIP_JNI_ERROR_NO_ENV);

	{
	jobject channelLineupObject = env->CallObjectMethod(mChannelManagerObject, mGetLineupMethod);
	if (channelLineupObject != nullptr)
	{
	jclass channelLineupClazz = env->GetObjectClass(channelLineupObject);

	jfieldID operatorNameFild = env->GetFieldID(channelLineupClazz, "operatorName", "Ljava/lang/String;");
	jstring joperatorName = static_cast<jstring>(env->GetObjectField(channelLineupObject, operatorNameFild));
	JniUtfString operatorName(env, joperatorName);
	if (joperatorName != nullptr)
	{
	lineupInfo.operatorName = operatorName.charSpan();
	}

	jfieldID lineupNameFild = env->GetFieldID(channelLineupClazz, "lineupName", "Ljava/lang/String;");
	jstring jlineupName = static_cast<jstring>(env->GetObjectField(channelLineupObject, lineupNameFild));
	JniUtfString lineupName(env, jlineupName);
	if (jlineupName != nullptr)
	{
	lineupInfo.lineupName = Optional<CharSpan>(lineupName.charSpan());
	}

	jfieldID postalCodeFild = env->GetFieldID(channelLineupClazz, "postalCode", "Ljava/lang/String;");
	jstring jpostalCode = static_cast<jstring>(env->GetObjectField(channelLineupObject, postalCodeFild));
	JniUtfString postalCode(env, jpostalCode);
	if (jpostalCode != nullptr)
	{
	lineupInfo.postalCode = Optional<CharSpan>(postalCode.charSpan());
	}

	jfieldID lineupInfoTypeFild = env->GetFieldID(channelLineupClazz, "lineupInfoType", "I");
	jint jlineupInfoType = (env->GetIntField(channelLineupObject, lineupInfoTypeFild));
	lineupInfo.lineupInfoType = static_cast<app::Clusters::Channel::LineupInfoTypeEnum>(jlineupInfoType);

	err = aEncoder.Encode(lineupInfo);
	}
	else
	{
	err = aEncoder.EncodeNull();
	}
	}

	exit:
	if (err != CHIP_NO_ERROR)
	{
	ChipLogError(Zcl, "ChannelManager::getChannelLineup status error: %s", err.AsString());
	}

	return err;
	}

	CHIP_ERROR ChannelManager::HandleGetCurrentChannel(AttributeValueEncoder & aEncoder)
	{
	chip::app::Clusters::Channel::Structs::ChannelInfo::Type channelInfo;
	CHIP_ERROR err = CHIP_NO_ERROR;
	JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
	ChipLogProgress(Zcl, "Received ChannelManager::HandleGetCurrentChannel");
	VerifyOrExit(mChannelManagerObject != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
	VerifyOrExit(mGetCurrentChannelMethod != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
	VerifyOrExit(env != NULL, err = CHIP_JNI_ERROR_NO_ENV);

	{
	jobject channelInfoObject = env->CallObjectMethod(mChannelManagerObject, mGetCurrentChannelMethod);
	if (channelInfoObject != nullptr)
	{
	jclass channelClass = env->GetObjectClass(channelInfoObject);

	jfieldID getCallSignField = env->GetFieldID(channelClass, "callSign", "Ljava/lang/String;");
	jstring jcallSign = static_cast<jstring>(env->GetObjectField(channelInfoObject, getCallSignField));
	JniUtfString callsign(env, jcallSign);
	if (jcallSign != nullptr)
	{
	channelInfo.callSign = Optional<CharSpan>(callsign.charSpan());
	}

	jfieldID getNameField = env->GetFieldID(channelClass, "name", "Ljava/lang/String;");
	jstring jname = static_cast<jstring>(env->GetObjectField(channelInfoObject, getNameField));
	JniUtfString name(env, jname);
	if (jname != nullptr)
	{
	channelInfo.name = Optional<CharSpan>(name.charSpan());
	}

	jfieldID getJaffiliateCallSignField = env->GetFieldID(channelClass, "affiliateCallSign", "Ljava/lang/String;");
	jstring jaffiliateCallSign = static_cast<jstring>(env->GetObjectField(channelInfoObject, getJaffiliateCallSignField));
	JniUtfString affiliateCallSign(env, jaffiliateCallSign);
	if (jaffiliateCallSign != nullptr)
	{
	channelInfo.affiliateCallSign = Optional<CharSpan>(affiliateCallSign.charSpan());
	}

	jfieldID majorNumField = env->GetFieldID(channelClass, "majorNumber", "I");
	jint jmajorNum = env->GetIntField(channelInfoObject, majorNumField);
	channelInfo.majorNumber = static_cast<uint16_t>(jmajorNum);

	jfieldID minorNumField = env->GetFieldID(channelClass, "minorNumber", "I");
	jint jminorNum = env->GetIntField(channelInfoObject, minorNumField);
	channelInfo.minorNumber = static_cast<uint16_t>(jminorNum);

	err = aEncoder.Encode(channelInfo);
	}
	else
	{
	err = aEncoder.EncodeNull();
	return err;
	}
	}

	exit:
	if (err != CHIP_NO_ERROR)
	{
	ChipLogError(Zcl, "ChannelManager::HandleGetCurrentChannel status error: %s", err.AsString());
	}

	return err;
	}

	void ChannelManager::HandleChangeChannel(CommandResponseHelper<ChangeChannelResponseType> & helper, const CharSpan & match)
	{
	std::string name(match.data(), match.size());
	JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

	ChipLogProgress(Zcl, "Received ChannelManager::HandleChangeChannel name %s", name.c_str());
	VerifyOrExit(mChannelManagerObject != nullptr, ChipLogError(Zcl, "mChannelManagerObject null"));
	VerifyOrExit(mChangeChannelMethod != nullptr, ChipLogError(Zcl, "mChangeChannelMethod null"));
	VerifyOrExit(env != NULL, ChipLogError(Zcl, "env null"));

	{
	UtfString jniname(env, name.c_str());
	env->ExceptionClear();
	jobject channelObject = env->CallObjectMethod(mChannelManagerObject, mChangeChannelMethod, jniname.jniValue());
	if (env->ExceptionCheck())
	{
	ChipLogError(DeviceLayer, "Java exception in ChannelManager::HandleChangeChannel");
	env->ExceptionDescribe();
	env->ExceptionClear();
	goto exit;
	}

	jclass channelClass = env->GetObjectClass(channelObject);

	ChangeChannelResponseType response;

	jfieldID getStatusField = env->GetFieldID(channelClass, "status", "I");
	jint jstatus = env->GetIntField(channelObject, getStatusField);
	response.status = static_cast<app::Clusters::Channel::ChannelStatusEnum>(jstatus);

	jfieldID getNameField = env->GetFieldID(channelClass, "name", "Ljava/lang/String;");
	jstring jname = static_cast<jstring>(env->GetObjectField(channelObject, getNameField));
	JniUtfString junitname(env, jname);
	if (jname != NULL)
	{
	response.data = MakeOptional(junitname.charSpan());
	}

	helper.Success(response);
	}

	exit:
	return;
	}

	bool ChannelManager::HandleChangeChannelByNumber(const uint16_t & majorNumber, const uint16_t & minorNumber)
	{
	jboolean ret = JNI_FALSE;
	JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

	ChipLogProgress(Zcl, "Received ChannelManager::HandleChangeChannelByNumber majorNumber %d, minorNumber %d", majorNumber,
	minorNumber);
	VerifyOrExit(mChannelManagerObject != nullptr, ChipLogError(Zcl, "mChannelManagerObject null"));
	VerifyOrExit(mChangeChannelByNumberMethod != nullptr, ChipLogError(Zcl, "mChangeChannelByNumberMethod null"));
	VerifyOrExit(env != NULL, ChipLogError(Zcl, "env null"));

	env->ExceptionClear();

	ret = env->CallBooleanMethod(mChannelManagerObject, mChangeChannelByNumberMethod, static_cast<jint>(majorNumber),
	static_cast<jint>(minorNumber));
	if (env->ExceptionCheck())
	{
	ChipLogError(DeviceLayer, "Java exception in ChannelManager::changeChannelByNumber");
	env->ExceptionDescribe();
	env->ExceptionClear();
	return false;
	}

	exit:
	return static_cast<bool>(ret);
	}

	bool ChannelManager::HandleSkipChannel(const uint16_t & count)
	{
	jboolean ret = JNI_FALSE;
	JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

	ChipLogProgress(Zcl, "Received ChannelManager::HandleSkipChannel count %d", count);
	VerifyOrExit(mChannelManagerObject != nullptr, ChipLogError(Zcl, "mChannelManagerObject null"));
	VerifyOrExit(mSkipChannelMethod != nullptr, ChipLogError(Zcl, "mSkipChannelMethod null"));
	VerifyOrExit(env != NULL, ChipLogError(Zcl, "env null"));

	env->ExceptionClear();

	ret = env->CallBooleanMethod(mChannelManagerObject, mSkipChannelMethod, static_cast<jint>(count));
	if (env->ExceptionCheck())
	{
	ChipLogError(DeviceLayer, "Java exception in ChannelManager::HandleSkipChannel");
	env->ExceptionDescribe();
	env->ExceptionClear();
	return false;
	}

	exit:
	return static_cast<bool>(ret);
	}

	void ChannelManager::InitializeWithObjects(jobject managerObject)
	{
	JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
	VerifyOrReturn(env != nullptr, ChipLogError(Zcl, "Failed to GetEnvForCurrentThread for ChannelManager"));

	mChannelManagerObject = env->NewGlobalRef(managerObject);
	VerifyOrReturn(mChannelManagerObject != nullptr, ChipLogError(Zcl, "Failed to NewGlobalRef ChannelManager"));

	jclass managerClass = env->GetObjectClass(mChannelManagerObject);
	VerifyOrReturn(managerClass != nullptr, ChipLogError(Zcl, "Failed to get ChannelManager Java class"));

	mGetChannelListMethod = env->GetMethodID(managerClass, "getChannelList", "()[Lcom/matter/tv/server/tvapp/ChannelInfo;");
	if (mGetChannelListMethod == nullptr)
	{
	ChipLogError(Zcl, "Failed to access ChannelManager 'getChannelList' method");
	env->ExceptionClear();
	}

	mGetLineupMethod = env->GetMethodID(managerClass, "getLineup", "()Lcom/matter/tv/server/tvapp/ChannelLineupInfo;");
	if (mGetLineupMethod == nullptr)
	{
	ChipLogError(Zcl, "Failed to access ChannelManager 'getLineup' method");
	env->ExceptionClear();
	}

	mGetCurrentChannelMethod = env->GetMethodID(managerClass, "getCurrentChannel", "()Lcom/matter/tv/server/tvapp/ChannelInfo;");
	if (mGetCurrentChannelMethod == nullptr)
	{
	ChipLogError(Zcl, "Failed to access ChannelManager 'getCurrentChannel' method");
	env->ExceptionClear();
	}

	mChangeChannelMethod =
	env->GetMethodID(managerClass, "changeChannel", "(Ljava/lang/String;)Lcom/matter/tv/server/tvapp/ChannelInfo;");
	if (mChangeChannelMethod == nullptr)
	{
	ChipLogError(Zcl, "Failed to access ChannelManager 'changeChannel' method");
	env->ExceptionClear();
	}

	mChangeChannelByNumberMethod = env->GetMethodID(managerClass, "changeChannelByNumber", "(II)Z");
	if (mChangeChannelByNumberMethod == nullptr)
	{
	ChipLogError(Zcl, "Failed to access ChannelManager 'changeChannelByNumber' method");
	env->ExceptionClear();
	}

	mSkipChannelMethod = env->GetMethodID(managerClass, "skipChannel", "(I)Z");
	if (mSkipChannelMethod == nullptr)
	{
	ChipLogError(Zcl, "Failed to access ChannelManager 'skipChannel' method");
	env->ExceptionClear();
	}
	}

	uint32_t ChannelManager::GetFeatureMap(chip::EndpointId endpoint)
	{
	if (endpoint >= EMBER_AF_CONTENT_LAUNCHER_CLUSTER_SERVER_ENDPOINT_COUNT)
	{
	return mDynamicEndpointFeatureMap;
	}

	uint32_t featureMap = 0;
	Attributes::FeatureMap::Get(endpoint, &featureMap);
	return featureMap;
	}