Requirement and capabilities feature

1. Enhance Service/VF/PNF to support Req & Cap
2. Added Type fetch APIs to fetch types from global types

Change-Id: I2b749ec9da34e488421b8ebe311ccf03c4b7c0fd
Issue-ID: SDC-2142
Signed-off-by: mojahidi <mojahidul.islam@amdocs.com>

7 files changed, 530 insertions, 0 deletions

diff --git a/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/api/Urls.java b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/api/Urls.java
index ba35ac3d33..1f1c90764b 100644
--- a/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/api/Urls.java
+++ b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/api/Urls.java
@@ -408,4 +408,16 @@ public interface Urls {
 	final String UPDATE_INTERFACE_OPERATIONS = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/interfaceOperations";
 	final String GET_INTERFACE_OPERATIONS = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/interfaces/%s/operations/%s";
 	final String DELETE_INTERFACE_OPERATIONS = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/interfaces/%s/operations/%s";
+
+	//Requirements
+	String CREATE_REQUIREMENT = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/requirements";
+	String UPDATE_REQUIREMENT = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/requirements";
+	String DELETE_REQUIREMENT = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/requirements/%s";
+	String GET_REQUIREMENT = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/requirements/%s";
+	//Capabilities
+	String CREATE_CAPABILITY = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/capabilities";
+	String UPDATE_CAPABILITY = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/capabilities";
+	String DELETE_CAPABILITY = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/capabilities/%s";
+	String GET_CAPABILITY = SDC_HTTP_METHOD + "://%s:%s/sdc2/rest/v1/catalog/%s/%s/capabilities/%s";
+
 }
diff --git a/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/capability/CapabilitiesTest.java b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/capability/CapabilitiesTest.java
new file mode 100644
index 0000000000..ecdb48619b
--- /dev/null
+++ b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/capability/CapabilitiesTest.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * 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.
+ */
+
+package org.openecomp.sdc.ci.tests.capability;
+
+import org.junit.Rule;
+import org.junit.rules.TestName;
+import org.openecomp.sdc.be.model.Service;
+import org.openecomp.sdc.be.model.User;
+import org.openecomp.sdc.ci.tests.api.ComponentBaseTest;
+import org.openecomp.sdc.ci.tests.datatypes.CapabilityDetails;
+import org.openecomp.sdc.ci.tests.datatypes.ServiceReqDetails;
+import org.openecomp.sdc.ci.tests.datatypes.enums.UserRoleEnum;
+import org.openecomp.sdc.ci.tests.datatypes.http.RestResponse;
+import org.openecomp.sdc.ci.tests.utils.general.ElementFactory;
+import org.openecomp.sdc.ci.tests.utils.rest.BaseRestUtils;
+import org.openecomp.sdc.ci.tests.utils.rest.CapabilityRestUtils;
+import org.openecomp.sdc.ci.tests.utils.rest.ServiceRestUtils;
+import org.testng.Assert;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.Test;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static org.openecomp.sdc.ci.tests.utils.general.AtomicOperationUtils.getServiceObject;
+
+public class CapabilitiesTest extends ComponentBaseTest {
+    @Rule
+    public static final TestName name = new TestName();
+
+    private  ServiceReqDetails component;
+    private  User user = null;
+
+    public CapabilitiesTest() {
+        super(name, CapabilitiesTest.class.getName());
+    }
+
+    @BeforeTest
+    public void init() throws Exception {
+        user = ElementFactory.getDefaultUser(UserRoleEnum.DESIGNER);
+        component = ElementFactory.getDefaultService();
+        component.setName("comp_cap" + Math.random());
+        ServiceRestUtils.createService(component, user);
+    }
+
+    @Test
+    public void createCapabilityTest() throws Exception {
+
+        CapabilityDetails capability = createCapability();
+        RestResponse restResponse = CapabilityRestUtils.createCapability(component.getUniqueId(),
+                Collections.singletonList(capability), user);
+        logger.info("createCapability Response Code:" + restResponse.getErrorCode());
+        Assert.assertEquals((int) restResponse.getErrorCode(), BaseRestUtils.STATUS_CODE_SUCCESS);
+    }
+
+
+
+    @Test(dependsOnMethods = "createCapabilityTest")
+    public void updateCapabilityTest() throws Exception {
+
+        CapabilityDetails capability = createCapability();
+        capability.setMaxOccurrences("10");
+        capability.setMinOccurrences("4");
+        RestResponse restResponse = CapabilityRestUtils.updateCapability(component.getUniqueId(),
+                Collections.singletonList(capability), user);
+        logger.info("updateCapability Response Code:" + restResponse.getErrorCode());
+        Assert.assertEquals((int) restResponse.getErrorCode(), BaseRestUtils.STATUS_CODE_SUCCESS);
+    }
+
+    @Test(dependsOnMethods = "updateCapabilityTest")
+    public void getCapabilityTest() throws Exception {
+        Service service = getServiceObject(component.getUniqueId());
+
+        List<org.openecomp.sdc.be.model.CapabilityDefinition> capabilityDefinitionList = service.getCapabilities().values()
+                .stream().flatMap(Collection::stream).collect(Collectors.toList());
+
+        RestResponse restResponse = CapabilityRestUtils.getCapability(component.getUniqueId(),
+                capabilityDefinitionList.get(0).getUniqueId(),  user);
+        logger.info("getCapabilityTest Response Code:" + restResponse.getErrorCode());
+        Assert.assertEquals((int) restResponse.getErrorCode(), BaseRestUtils.STATUS_CODE_SUCCESS);
+    }
+
+    @Test(dependsOnMethods = "getCapabilityTest")
+    public void deleteCapabilityTest() throws Exception {
+        Service service = getServiceObject(component.getUniqueId());
+
+        List<org.openecomp.sdc.be.model.CapabilityDefinition> capabilityDefinitionList = service.getCapabilities().values()
+                .stream().flatMap(Collection::stream).collect(Collectors.toList());
+
+        RestResponse restResponse = CapabilityRestUtils.deleteCapability(component.getUniqueId(),
+                capabilityDefinitionList.get(0).getUniqueId(),  user);
+        logger.info("deleteCapabilityTest Response Code:" + restResponse.getErrorCode());
+        Assert.assertEquals((int) restResponse.getErrorCode(), BaseRestUtils.STATUS_CODE_SUCCESS);
+    }
+
+    private  CapabilityDetails createCapability() {
+        CapabilityDetails  capabilityDetails = new CapabilityDetails();
+        capabilityDetails.setName("cap" + Math.random());
+        capabilityDetails.setType("tosca.capabilities.network.Bindable");
+
+        return capabilityDetails;
+    }
+}
diff --git a/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/datatypes/CapabilityDetails.java b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/datatypes/CapabilityDetails.java
new file mode 100644
index 0000000000..954a16a63d
--- /dev/null
+++ b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/datatypes/CapabilityDetails.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * 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.
+ */
+
+package org.openecomp.sdc.ci.tests.datatypes;
+
+public class CapabilityDetails {
+    private String name;
+    private String type;
+    private String maxOccurrences;
+    private String minOccurrences;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public String getMaxOccurrences() {
+        return maxOccurrences;
+    }
+
+    public void setMaxOccurrences(String maxOccurrences) {
+        this.maxOccurrences = maxOccurrences;
+    }
+
+    public String getMinOccurrences() {
+        return minOccurrences;
+    }
+
+    public void setMinOccurrences(String minOccurrences) {
+        this.minOccurrences = minOccurrences;
+    }
+}
diff --git a/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/datatypes/RequirementDetails.java b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/datatypes/RequirementDetails.java
new file mode 100644
index 0000000000..a720786d83
--- /dev/null
+++ b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/datatypes/RequirementDetails.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * 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.
+ */
+
+package org.openecomp.sdc.ci.tests.datatypes;
+
+public class RequirementDetails {
+    private String capability;
+    private String name;
+    private String node;
+    private String relationship;
+    private String maxOccurrences;
+    private String minOccurrences;
+
+    public String getCapability() {
+        return capability;
+    }
+
+    public void setCapability(String capability) {
+        this.capability = capability;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getNode() {
+        return node;
+    }
+
+    public void setNode(String node) {
+        this.node = node;
+    }
+
+    public String getRelationship() {
+        return relationship;
+    }
+
+    public void setRelationship(String relationship) {
+        this.relationship = relationship;
+    }
+
+    public String getMaxOccurrences() {
+        return maxOccurrences;
+    }
+
+    public void setMaxOccurrences(String maxOccurrences) {
+        this.maxOccurrences = maxOccurrences;
+    }
+
+    public String getMinOccurrences() {
+        return minOccurrences;
+    }
+
+    public void setMinOccurrences(String minOccurrences) {
+        this.minOccurrences = minOccurrences;
+    }
+}
diff --git a/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/requirements/RequirementsTest.java b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/requirements/RequirementsTest.java
new file mode 100644
index 0000000000..51894e7ec1
--- /dev/null
+++ b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/requirements/RequirementsTest.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * 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.
+ */
+
+package org.openecomp.sdc.ci.tests.requirements;
+
+import org.junit.Assert;
+import org.junit.Rule;
+import org.junit.rules.TestName;
+import org.openecomp.sdc.be.model.RequirementDefinition;
+import org.openecomp.sdc.be.model.Service;
+import org.openecomp.sdc.be.model.User;
+import org.openecomp.sdc.ci.tests.api.ComponentBaseTest;
+import org.openecomp.sdc.ci.tests.datatypes.RequirementDetails;
+import org.openecomp.sdc.ci.tests.datatypes.ServiceReqDetails;
+import org.openecomp.sdc.ci.tests.datatypes.enums.UserRoleEnum;
+import org.openecomp.sdc.ci.tests.datatypes.http.RestResponse;
+import org.openecomp.sdc.ci.tests.utils.general.ElementFactory;
+import org.openecomp.sdc.ci.tests.utils.rest.BaseRestUtils;
+import org.openecomp.sdc.ci.tests.utils.rest.RequirementsUtils;
+import org.openecomp.sdc.ci.tests.utils.rest.ServiceRestUtils;
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.Test;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static org.openecomp.sdc.ci.tests.utils.general.AtomicOperationUtils.getServiceObject;
+
+public class RequirementsTest extends ComponentBaseTest {
+    @Rule
+    public static final TestName name = new TestName();
+
+    private  ServiceReqDetails component;
+    private  User user = null;
+
+    public RequirementsTest() {
+        super(name, RequirementsTest.class.getName());
+    }
+
+    @BeforeTest
+    public void init() throws Exception {
+        user = ElementFactory.getDefaultUser(UserRoleEnum.DESIGNER);
+        component = ElementFactory.getDefaultService();
+        component.setName("comp_req" + Math.random());
+        ServiceRestUtils.createService(component, user);
+    }
+
+    @Test
+    public void createRequirementTest() throws Exception {
+
+        RequirementDetails requirement = createRequirement();
+        RestResponse restResponse = RequirementsUtils.createRequirement(component.getUniqueId(),
+                Collections.singletonList(requirement), user);
+        logger.info("createRequirement Response Code:" + restResponse.getErrorCode());
+        Assert.assertEquals((int) restResponse.getErrorCode(), BaseRestUtils.STATUS_CODE_SUCCESS);
+    }
+
+    @Test(dependsOnMethods = "createRequirementTest")
+    public void updateRequirementTest() throws Exception {
+
+        RequirementDetails requirement = createRequirement();
+        requirement.setMaxOccurrences("10");
+        requirement.setMinOccurrences("4");
+        RestResponse restResponse = RequirementsUtils.updateRequirement(component.getUniqueId(),
+                Collections.singletonList(requirement), user);
+        logger.info("updateRequirement Response Code:" + restResponse.getErrorCode());
+        Assert.assertEquals((int) restResponse.getErrorCode(), BaseRestUtils.STATUS_CODE_SUCCESS);
+    }
+
+    @Test(dependsOnMethods = "updateRequirementTest")
+    public void getRequirementTest() throws Exception {
+        Service service = getServiceObject(component.getUniqueId());
+
+        List<RequirementDefinition> requirementDefinitionList = service.getRequirements().values()
+                .stream().flatMap(Collection::stream).collect(Collectors.toList());
+
+        RestResponse restResponse = RequirementsUtils.getRequirement(component.getUniqueId(),
+                requirementDefinitionList.get(0).getUniqueId(),  user);
+        logger.info("getRequirementTest Response Code:" + restResponse.getErrorCode());
+        Assert.assertEquals((int) restResponse.getErrorCode(), BaseRestUtils.STATUS_CODE_SUCCESS);
+    }
+
+    @Test(dependsOnMethods = "getRequirementTest")
+    public void deleteRequirementTest() throws Exception {
+        Service service = getServiceObject(component.getUniqueId());
+
+        List<RequirementDefinition> requirementDefinitionList = service.getRequirements().values()
+                .stream().flatMap(Collection::stream).collect(Collectors.toList());
+
+        RestResponse restResponse = RequirementsUtils.deleteRequirement(component.getUniqueId(),
+                requirementDefinitionList.get(0).getUniqueId(),  user);
+        logger.info("deleteRequirementTest Response Code:" + restResponse.getErrorCode());
+        Assert.assertEquals((int) restResponse.getErrorCode(), BaseRestUtils.STATUS_CODE_SUCCESS);
+    }
+
+    private  RequirementDetails createRequirement() {
+        RequirementDetails  requirementDetails = new RequirementDetails();
+        requirementDetails.setName("req" + Math.random());
+        requirementDetails.setCapability("tosca.capabilities.network.Bindable");
+
+        return requirementDetails;
+    }
+}
diff --git a/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/utils/rest/CapabilityRestUtils.java b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/utils/rest/CapabilityRestUtils.java
new file mode 100644
index 0000000000..1959aa8b9a
--- /dev/null
+++ b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/utils/rest/CapabilityRestUtils.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * 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.
+ */
+
+package org.openecomp.sdc.ci.tests.utils.rest;
+
+import com.google.gson.Gson;
+import org.openecomp.sdc.be.model.User;
+import org.openecomp.sdc.ci.tests.api.Urls;
+import org.openecomp.sdc.ci.tests.config.Config;
+import org.openecomp.sdc.ci.tests.datatypes.CapabilityDetails;
+import org.openecomp.sdc.ci.tests.datatypes.http.RestResponse;
+
+import java.util.List;
+
+public class CapabilityRestUtils extends BaseRestUtils {
+    private static Gson gson = new Gson();
+    private static final String COMPONENT_TYPE = "services";
+
+    public static RestResponse createCapability(String componentId,
+                                                 List<CapabilityDetails> capabilityDetailsList,
+                                                 User user) throws Exception{
+        Config config = Config.instance();
+        String url = String.format(Urls.CREATE_CAPABILITY, config.getCatalogBeHost(), config.getCatalogBePort(),
+                COMPONENT_TYPE, componentId);
+
+        String data = "{ \"capabilities\" : {" + "\"" +capabilityDetailsList.get(0).getType()+ "\"" +" : "
+                + gson.toJson(capabilityDetailsList) + "  } }";
+
+        return sendPost(url, data , user.getUserId(), acceptHeaderData);
+    }
+
+    public static RestResponse updateCapability(String componentId,
+                                                 List<CapabilityDetails> capabilityDetailsList,
+                                                 User user) throws Exception{
+        Config config = Config.instance();
+        String url = String.format(Urls.UPDATE_CAPABILITY, config.getCatalogBeHost(), config.getCatalogBePort(),
+                COMPONENT_TYPE, componentId);
+
+        String data = "{ \"capabilities\" : {" + "\"" +capabilityDetailsList.get(0).getType()+ "\"" +" : "
+                + gson.toJson(capabilityDetailsList) + "  } }";
+
+        return sendPost(url, data , user.getUserId(), acceptHeaderData);
+    }
+
+    public static RestResponse deleteCapability(String componentId,
+                                                 String requirementId,
+                                                 User user) throws Exception{
+        Config config = Config.instance();
+        String url = String.format(Urls.DELETE_CAPABILITY, config.getCatalogBeHost(), config.getCatalogBePort(),
+                COMPONENT_TYPE, componentId, requirementId);
+        return sendDelete(url, user.getUserId());
+    }
+
+    public static RestResponse getCapability(String componentId,
+                                              String requirementId,
+                                              User user) throws Exception{
+        Config config = Config.instance();
+        String url = String.format(Urls.GET_CAPABILITY, config.getCatalogBeHost(), config.getCatalogBePort(),
+                COMPONENT_TYPE, componentId, requirementId);
+        return sendDelete(url, user.getUserId());
+    }
+
+}
diff --git a/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/utils/rest/RequirementsUtils.java b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/utils/rest/RequirementsUtils.java
new file mode 100644
index 0000000000..4be1d941ce
--- /dev/null
+++ b/test-apis-ci/src/main/java/org/openecomp/sdc/ci/tests/utils/rest/RequirementsUtils.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * 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.
+ */
+
+package org.openecomp.sdc.ci.tests.utils.rest;
+
+import com.google.gson.Gson;
+import org.openecomp.sdc.be.model.User;
+import org.openecomp.sdc.ci.tests.api.Urls;
+import org.openecomp.sdc.ci.tests.config.Config;
+import org.openecomp.sdc.ci.tests.datatypes.RequirementDetails;
+import org.openecomp.sdc.ci.tests.datatypes.http.RestResponse;
+
+import java.util.List;
+
+public class RequirementsUtils extends BaseRestUtils {
+    private static Gson gson = new Gson();
+    private static final String COMPONENT_TYPE = "services";
+
+    public static RestResponse createRequirement(String componentId,
+                                                 List<RequirementDetails> requirementDefinitionList,
+                                                 User user) throws Exception{
+        Config config = Config.instance();
+        String url = String.format(Urls.CREATE_REQUIREMENT, config.getCatalogBeHost(), config.getCatalogBePort(),
+                COMPONENT_TYPE, componentId);
+
+        String data = "{ \"requirements\" : {" + "\"" +requirementDefinitionList.get(0).getCapability()+ "\"" +" : "
+                + gson.toJson(requirementDefinitionList) + "  } }";
+
+        return sendPost(url, data , user.getUserId(), acceptHeaderData);
+    }
+
+    public static RestResponse updateRequirement(String componentId,
+                                                 List<RequirementDetails> requirementDefinitionList,
+                                                 User user) throws Exception{
+        Config config = Config.instance();
+        String url = String.format(Urls.UPDATE_REQUIREMENT, config.getCatalogBeHost(), config.getCatalogBePort(),
+                COMPONENT_TYPE, componentId);
+
+        String data = "{ \"requirements\" : {" + "\"" +requirementDefinitionList.get(0).getCapability()+ "\"" +" : "
+                + gson.toJson(requirementDefinitionList) + "  } }";
+
+        return sendPost(url, data , user.getUserId(), acceptHeaderData);
+    }
+
+    public static RestResponse deleteRequirement(String componentId,
+                                                 String requirementId,
+                                                 User user) throws Exception{
+        Config config = Config.instance();
+        String url = String.format(Urls.DELETE_REQUIREMENT, config.getCatalogBeHost(), config.getCatalogBePort(),
+                COMPONENT_TYPE, componentId, requirementId);
+        return sendDelete(url, user.getUserId());
+    }
+
+    public static RestResponse getRequirement(String componentId,
+                                                 String requirementId,
+                                                 User user) throws Exception{
+        Config config = Config.instance();
+        String url = String.format(Urls.GET_REQUIREMENT, config.getCatalogBeHost(), config.getCatalogBePort(),
+                COMPONENT_TYPE, componentId, requirementId);
+        return sendDelete(url, user.getUserId());
+    }
+}