1 files changed, 70 insertions, 0 deletions
diff --git a/so-etsi-nfvo/so-etsi-nfvo-ns-lcm/so-etsi-nfvo-ns-lcm-bpmn-flows/src/main/java/org/onap/so/etsi/nfvo/ns/lcm/bpmn/flows/nsd/parser/ToscaMetadataParser.java b/so-etsi-nfvo/so-etsi-nfvo-ns-lcm/so-etsi-nfvo-ns-lcm-bpmn-flows/src/main/java/org/onap/so/etsi/nfvo/ns/lcm/bpmn/flows/nsd/parser/ToscaMetadataParser.java
new file mode 100644
index 0000000000..746416c8e4
--- /dev/null
+++ b/so-etsi-nfvo/so-etsi-nfvo-ns-lcm/so-etsi-nfvo-ns-lcm-bpmn-flows/src/main/java/org/onap/so/etsi/nfvo/ns/lcm/bpmn/flows/nsd/parser/ToscaMetadataParser.java
@@ -0,0 +1,70 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2020 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.nsd.parser;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.apache.commons.lang3.StringUtils.isNotBlank;
+import java.util.List;
+import java.util.Optional;
+import org.apache.commons.io.IOUtils;
+import org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.nsd.FileEntry;
+import org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.nsd.ToscaMetadata;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+
+/**
+ * @author Waqas Ikram (waqas.ikram@est.tech)
+ *
+ */
+@Service
+public class ToscaMetadataParser {
+    private static final String ATTRIBUTE_VALUE_SEPARATOR = ":";
+    private static final Logger logger = LoggerFactory.getLogger(ToscaMetadataParser.class);
+
+    public Optional<ToscaMetadata> parse(final FileEntry toscaMetaFile) {
+        try {
+            final ToscaMetadata toscaMetadata = new ToscaMetadata();
+            final List<String> lines = IOUtils.readLines(toscaMetaFile.getFileContentAsStream(), UTF_8);
+            for (final String line : lines) {
+                final String trimmedLine = line.trim();
+                if (!trimmedLine.isEmpty() && trimmedLine.contains(ATTRIBUTE_VALUE_SEPARATOR)) {
+                    final String[] entry = trimmedLine.split(ATTRIBUTE_VALUE_SEPARATOR);
+                    if (entry.length >= 2 && isNotBlank(entry[0]) && isNotBlank(entry[1])) {
+                        toscaMetadata.addEntry(entry[0].trim(), entry[1].trim());
+                    } else {
+                        logger.warn("Unexpected line in metadata file: {}", line);
+                    }
+                } else {
+                    logger.warn("Unexpected line does not contain valid separator {} in metadata file: {}",
+                            ATTRIBUTE_VALUE_SEPARATOR, line);
+                }
+
+            }
+            return Optional.of(toscaMetadata);
+
+        } catch (final Exception exception) {
+            logger.error("Unable to parser metadata file content", exception);
+        }
+        return Optional.empty();
+    }
+
+
+}