14 files changed, 770 insertions, 0 deletions
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/Application.java b/msasimulator/src/main/java/org/onap/msasimulator/Application.java
new file mode 100644
index 0000000..01a593d
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/Application.java
@@ -0,0 +1,36 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator;
+
+import java.util.Arrays;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ApplicationContext;
+
+@SpringBootApplication
+public class Application {
+    
+    public static void main(String[] args) {
+         SpringApplication.run(Application.class, args);
+    }
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/controller/MsaController.java b/msasimulator/src/main/java/org/onap/msasimulator/controller/MsaController.java
new file mode 100644
index 0000000..dab79a9
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/controller/MsaController.java
@@ -0,0 +1,71 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.controller;
+
+import javax.validation.Valid;
+
+import org.onap.msasimulator.model.MsaServiceCreateRequest;
+import org.onap.msasimulator.model.MsaServiceDeleteRequest;
+import org.onap.msasimulator.model.MsaServiceResponse;
+import org.onap.msasimulator.service.MsaService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class MsaController {
+
+    @Autowired
+    MsaService msaService;
+
+    @RequestMapping("/")
+    public String index() {
+        return "Test successful";
+    }
+
+    @PostMapping("/cxf/openroadm/openroadm-services/create")
+    public ResponseEntity<?> createService(@Valid @RequestBody MsaServiceCreateRequest request) {
+
+        MsaServiceResponse response = msaService.processMsaService(request);
+        return new ResponseEntity<>(response, HttpStatus.OK);
+
+    }
+
+    @DeleteMapping("/cxf/openroadm/openroadm-services/delete")
+    public ResponseEntity<?> deleteService(@Valid @RequestBody MsaServiceDeleteRequest request) {
+        MsaServiceResponse response = msaService.processMsaServiceDelete(request);
+        return new ResponseEntity<>(response, HttpStatus.OK);
+
+    }
+
+    @GetMapping("/cxf/openroadm/v2/networks/otn-topology")
+    public String getMsaTopology() {
+
+        return msaService.getTopology();
+
+    }
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/model/ConfigurationResponseCommon.java b/msasimulator/src/main/java/org/onap/msasimulator/model/ConfigurationResponseCommon.java
new file mode 100644
index 0000000..377a51f
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/model/ConfigurationResponseCommon.java
@@ -0,0 +1,51 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.model;
+
+import javax.validation.constraints.NotNull;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ConfigurationResponseCommon {
+    @NotNull
+    @JsonProperty(value = "response-code")
+    private String responseCode;
+
+    @NotNull
+    @JsonProperty(value = "ack-final-indicator")
+    private String ackFinalIndicator;
+
+    @NotNull
+    @JsonProperty(value = "response-message")
+    private String responseMessage;
+
+    @NotNull
+    @JsonProperty(value = "request-id")
+    private String requestId;
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/model/DirectionDetails.java b/msasimulator/src/main/java/org/onap/msasimulator/model/DirectionDetails.java
new file mode 100644
index 0000000..847a344
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/model/DirectionDetails.java
@@ -0,0 +1,38 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.msasimulator.model;
+
+import javax.validation.constraints.NotNull;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class DirectionDetails {	
+	@NotNull
+	@JsonProperty(value = "port")
+	private Port port;
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/model/Link.java b/msasimulator/src/main/java/org/onap/msasimulator/model/Link.java
new file mode 100644
index 0000000..9644228
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/model/Link.java
@@ -0,0 +1,36 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class Link {
+
+    private String aend;
+
+    private String zend;
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/model/MsaServiceCreateRequest.java b/msasimulator/src/main/java/org/onap/msasimulator/model/MsaServiceCreateRequest.java
new file mode 100644
index 0000000..63bd552
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/model/MsaServiceCreateRequest.java
@@ -0,0 +1,64 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.model;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import javax.validation.constraints.NotNull;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class MsaServiceCreateRequest {
+
+    @NotNull
+    @JsonProperty(value = "service-layer")
+    private String serviceLayer;
+
+    @NotNull
+    @JsonProperty(value = "service-name")
+    private String serviceName;
+
+    @NotNull
+    @JsonProperty(value = "service-a-end")
+    private ServiceEndPoint serviceAEend;
+
+    @NotNull
+    @JsonProperty(value = "common-id")
+    private String commonId;
+
+    @NotNull
+    @JsonProperty(value = "sdnc-request-header")
+    private SdncRequestHeader sdncRequestHeader;
+
+    @NotNull
+    @JsonProperty(value = "service-z-end")
+    private ServiceEndPoint serviceZEnd;
+
+    @NotNull
+    @JsonProperty(value = "connection-type")
+    private String connectionType;
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/model/MsaServiceDeleteRequest.java b/msasimulator/src/main/java/org/onap/msasimulator/model/MsaServiceDeleteRequest.java
new file mode 100644
index 0000000..e295c81
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/model/MsaServiceDeleteRequest.java
@@ -0,0 +1,44 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.model;
+
+import javax.validation.constraints.NotNull;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class MsaServiceDeleteRequest {
+
+    @NotNull
+    @JsonProperty(value = "sdnc-request-header")
+    private SdncRequestHeader sdncRequestHeader;
+
+    @NotNull
+    @JsonProperty(value = "service-delete-req-info")
+    private ServiceDeleteInfo serviceDeletReqInfo;
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/model/MsaServiceResponse.java b/msasimulator/src/main/java/org/onap/msasimulator/model/MsaServiceResponse.java
new file mode 100644
index 0000000..83549fc
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/model/MsaServiceResponse.java
@@ -0,0 +1,40 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.model;
+
+import javax.validation.constraints.NotNull;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class MsaServiceResponse {
+
+    @NotNull
+    @JsonProperty(value = "configuration-response-common")
+    private ConfigurationResponseCommon configurationResponseCommon;
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/model/Port.java b/msasimulator/src/main/java/org/onap/msasimulator/model/Port.java
new file mode 100644
index 0000000..041835b
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/model/Port.java
@@ -0,0 +1,44 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.model;
+
+import javax.validation.constraints.NotNull;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class Port {
+
+    @NotNull
+    @JsonProperty(value = "port-device-name")
+    private String portDeviceName;
+
+    @NotNull
+    @JsonProperty(value = "port-name")
+    private String portName;
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/model/SdncRequestHeader.java b/msasimulator/src/main/java/org/onap/msasimulator/model/SdncRequestHeader.java
new file mode 100644
index 0000000..bddfded
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/model/SdncRequestHeader.java
@@ -0,0 +1,51 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.model;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import javax.validation.constraints.NotNull;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class SdncRequestHeader {
+    @NotNull
+    @JsonProperty(value = "notification-url")
+    private String notificationUrl;
+
+    @NotNull
+    @JsonProperty(value = "request-system-id")
+    private String requestSystemId;
+
+    @NotNull
+    @JsonProperty(value = "request-id")
+    private String requestId;
+
+    @NotNull
+    @JsonProperty(value = "rpc-action")
+    private String rpcAction;
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/model/ServiceDeleteInfo.java b/msasimulator/src/main/java/org/onap/msasimulator/model/ServiceDeleteInfo.java
new file mode 100644
index 0000000..7da5af2
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/model/ServiceDeleteInfo.java
@@ -0,0 +1,44 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.model;
+
+import javax.validation.constraints.NotNull;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ServiceDeleteInfo {
+
+    @NotNull
+    @JsonProperty(value = "service-name")
+    private String serviceName;
+
+    @NotNull
+    @JsonProperty(value = "tail-retention")
+    private String tailRetention;
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/model/ServiceEndPoint.java b/msasimulator/src/main/java/org/onap/msasimulator/model/ServiceEndPoint.java
new file mode 100644
index 0000000..ab05f99
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/model/ServiceEndPoint.java
@@ -0,0 +1,71 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.model;
+
+import javax.validation.constraints.NotNull;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ServiceEndPoint {
+    @NotNull
+    @JsonProperty(value = "rx-direction")
+    private DirectionDetails rxDirection;
+
+    @NotNull
+    @JsonProperty(value = "service-format")
+    private String serviceFormat;
+
+    @NotNull
+    @JsonProperty(value = "node-id")
+    private String nodeId;
+
+    @NotNull
+    @JsonProperty(value = "mapping-mode")
+    private String mappingMode;
+
+    @NotNull
+    @JsonProperty(value = "optic-type")
+    private String opticType;
+
+    @NotNull
+    @JsonProperty(value = "clli")
+    private String clli;
+
+    @NotNull
+    @JsonProperty(value = "service-rate")
+    private String serviceRate;
+
+    @NotNull
+    @JsonProperty(value = "tx-direction")
+    private DirectionDetails txDirection;
+
+    @NotNull
+    @JsonProperty(value = "ethernet-encoding")
+    private String ethernetEncoding;
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/service/MsaService.java b/msasimulator/src/main/java/org/onap/msasimulator/service/MsaService.java
new file mode 100644
index 0000000..2091d61
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/service/MsaService.java
@@ -0,0 +1,117 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.service;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.annotation.PostConstruct;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.onap.msasimulator.model.ConfigurationResponseCommon;
+import org.onap.msasimulator.model.Link;
+import org.onap.msasimulator.model.MsaServiceCreateRequest;
+import org.onap.msasimulator.model.MsaServiceDeleteRequest;
+import org.onap.msasimulator.model.MsaServiceResponse;
+import org.onap.msasimulator.utils.Utils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import lombok.Getter;
+
+@Service
+public class MsaService {
+
+    private static Logger log = LoggerFactory.getLogger(MsaService.class);
+
+    @Getter
+    private String topology = "";
+
+    private List<Link> linkList = new ArrayList<>();
+
+    private List<String> serviceIdList = new ArrayList<>();
+
+    @Autowired
+    Utils utils;
+
+    @PostConstruct
+    public void init() throws IOException {
+        topology = utils.readFromFile("/opt/onap/msasimulator/templates/msa-topology.json");
+        log.debug("Inside init method of MsaService classc {}", topology);
+        JSONObject topo = new JSONObject(topology);
+        JSONArray topolinks = topo.getJSONArray("ietf-network-topology:link");
+        for (Object topolink : topolinks) {
+            if (topolink instanceof JSONObject) {
+                JSONObject obj = (JSONObject) topolink;
+                Link link = new Link(obj.getJSONObject("source").getString("source-node").split("-")[0],
+                        obj.getJSONObject("destination").getString("dest-node").split("-")[0]);
+                linkList.add(link);
+
+            }
+
+        }
+        log.debug("Link list {}", linkList);
+
+    }
+
+    public MsaServiceResponse processMsaService(MsaServiceCreateRequest request) {
+        String aend = request.getServiceAEend().getNodeId();
+        String zend = request.getServiceZEnd().getNodeId();
+        String requestId = request.getSdncRequestHeader().getRequestId();
+        Link link = new Link(aend, zend);
+        if (linkList.contains(link)) {
+            serviceIdList.add(requestId);
+            return formServiceResponse(requestId, "200", "Service creation was successful");
+        } else {
+            return formServiceResponse(requestId, "410", "Link not available , Service creation failed");
+
+        }
+
+    }
+
+    private MsaServiceResponse formServiceResponse(String requestId, String responseCode, String responseMessage) {
+        MsaServiceResponse response = new MsaServiceResponse();
+        ConfigurationResponseCommon configuration = new ConfigurationResponseCommon();
+        configuration.setRequestId(requestId);
+        configuration.setResponseCode(responseCode);
+        configuration.setResponseMessage(responseMessage);
+        configuration.setAckFinalIndicator("Y");
+        response.setConfigurationResponseCommon(configuration);
+        return response;
+
+    }
+
+    public MsaServiceResponse processMsaServiceDelete(MsaServiceDeleteRequest request) {
+        String requestId = request.getSdncRequestHeader().getRequestId();
+        if (serviceIdList.contains(requestId)) {
+            serviceIdList.remove(requestId);
+            return formServiceResponse(requestId, "200", "Service deletion success");
+        } else {
+            return formServiceResponse(requestId, "410", "Service does not exist");
+        }
+
+    }
+
+}
diff --git a/msasimulator/src/main/java/org/onap/msasimulator/utils/Utils.java b/msasimulator/src/main/java/org/onap/msasimulator/utils/Utils.java
new file mode 100644
index 0000000..2f0d924
--- /dev/null
+++ b/msasimulator/src/main/java/org/onap/msasimulator/utils/Utils.java
@@ -0,0 +1,63 @@
+/*
+ * ============LICENSE_START=======================================================
+ * MSA-SIMULATOR
+ * ================================================================================
+ * Copyright (C) 2020 Fujitsu Limited. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.msasimulator.utils;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.nio.file.Files;
+import org.springframework.stereotype.Component;
+import org.springframework.util.ResourceUtils;
+
+@Component
+public class Utils {
+
+    public void readFileclasspath() throws IOException {
+        File file = ResourceUtils.getFile("classpath:config/sample.txt");
+
+        // File is found
+        System.out.println("File Found : " + file.exists());
+
+        // Read File Content
+        String content = new String(Files.readAllBytes(file.toPath()));
+        System.out.println(content);
+    }
+
+    public String readFromFile(String file) {
+        String content = "";
+        try {
+
+            BufferedReader bufferedReader = new BufferedReader(new FileReader(file));
+            content = bufferedReader.readLine();
+            String temp;
+            while ((temp = bufferedReader.readLine()) != null) {
+                content = content.concat(temp);
+            }
+            content = content.trim();
+            bufferedReader.close();
+        } catch (Exception e) {
+            content = null;
+        }
+        return content;
+    }
+
+}