Implement read resource sequence

Implement resource sequence by reading configuration.

Change-Id: I239a239e1fdcbab273d00dc99c1d856699b203a5
Issue-ID: SO-422
Signed-off-by: subhash kumar singh <subhash.kumar.singh@huawei.com>

2 files changed, 91 insertions, 0 deletions

diff --git a/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/properties/BPMNProperties.java b/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/properties/BPMNProperties.java
new file mode 100644
index 0000000000..70572dc94a
--- /dev/null
+++ b/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/properties/BPMNProperties.java
@@ -0,0 +1,61 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Intellectual Property. 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.openecomp.mso.bpmn.infrastructure.properties;
+
+import org.openecomp.mso.logger.MessageEnum;
+import org.openecomp.mso.logger.MsoLogger;
+import org.openecomp.mso.properties.MsoPropertiesException;
+import org.openecomp.mso.properties.MsoPropertiesFactory;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class BPMNProperties {
+
+    public static String MSO_PROP_BPMN = "MSO_PROP_BPMN";
+
+    private static MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.RA);
+
+    public static String getProperty(String key, String defaultValue) {
+        String value;
+        try {
+            value =  new MsoPropertiesFactory().getMsoJavaProperties(MSO_PROP_BPMN).getProperty(key, defaultValue);
+        } catch (MsoPropertiesException e) {
+             msoLogger.error (MessageEnum.NO_PROPERTIES, "Unknown. Mso Properties ID not found in cache: "
+                     + MSO_PROP_BPMN, "BPMN", "", MsoLogger.ErrorCode.DataError,
+                     "Exception - Mso Properties ID not found in cache", e);
+            return null;
+        }
+        msoLogger.debug("Config read for " + MSO_PROP_BPMN + " - key:" + key + " value:" + value);
+        return value;
+    }
+
+    public static List<String> getResourceSequenceProp() {
+        String resource_sequence = getProperty("resource_sequence", null);
+        if (resource_sequence != null) {
+            String[] resourceSequence = resource_sequence.split(",");
+            return Arrays.asList(resource_sequence);
+        }
+        return Arrays.asList(ResourceSequence.RESOURCE_EPC,
+                ResourceSequence.RESOURCE_IMS,
+                ResourceSequence.RESOUCE_OVERLAY,
+                ResourceSequence.RESOURCE_UNDERLAY);
+    }
+}
diff --git a/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/properties/ResourceSequence.java b/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/properties/ResourceSequence.java
new file mode 100644
index 0000000000..86e5d30b11
--- /dev/null
+++ b/bpmn/MSOInfrastructureBPMN/src/main/java/org/openecomp/mso/bpmn/infrastructure/properties/ResourceSequence.java
@@ -0,0 +1,30 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 Huawei Intellectual Property. 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.openecomp.mso.bpmn.infrastructure.properties;
+
+public final class ResourceSequence {
+
+    public static final String RESOURCE_IMS = "ims";
+    public static final String RESOURCE_EPC = "epc";
+    public static final String RESOUCE_OVERLAY = "overlay";
+    public static final String RESOURCE_UNDERLAY = "underlay";
+
+    private ResourceSequence() {}
+}
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