1 files changed, 135 insertions, 0 deletions
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/parser/MetadataParser.java b/csarvalidation/src/main/java/org/onap/cvc/csar/parser/MetadataParser.java
new file mode 100644
index 0000000..b0c06ee
--- /dev/null
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/parser/MetadataParser.java
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2019 Nokia
+ * <p>
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.onap.cvc.csar.parser;
+
+import com.google.common.collect.Lists;
+import org.apache.commons.lang3.tuple.Pair;
+import org.onap.cvc.csar.CSARArchive;
+import org.onap.cvc.csar.PnfCSARError;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.onap.cvc.csar.parser.ManifestConsts.*;
+
+public class MetadataParser {
+
+    private final String fileName;
+
+    public MetadataParser(String fileName) {
+        this.fileName = fileName;
+    }
+
+    public Pair<CSARArchive.Manifest.Metadata, List<CSARArchive.CSARError>> parse(List<String> lines) {
+        CSARArchive.Manifest.Metadata metadata = new CSARArchive.Manifest.Metadata();
+        List<CSARArchive.CSARError> errors = new ArrayList<>();
+
+        boolean isMetadataSectionAvailable = false;
+
+        for (int lineNumber = 0; lineNumber < lines.size(); lineNumber++) {
+            String line = lines.get(lineNumber);
+            ManifestLine manifestLine = ManifestLine.of(line);
+            Pair<String, String> data = manifestLine.parse();
+
+            if (data.getKey().equalsIgnoreCase(METADATA_SECTION_TAG_SECTION)) {
+                isMetadataSectionAvailable = true;
+            } else if (isMetadataSectionAvailable && !isLineExcluded(manifestLine)) {
+
+                if (shouldStopProcessing(data, errors, lineNumber)) {
+                    break;
+                }
+
+                handleMetadataLine(metadata, errors, lineNumber, data);
+            }
+        }
+
+        if (!isMetadataSectionAvailable) {
+            errors.add(new PnfCSARError.PnfCSARErrorEntryMissing(METADATA_SECTION_TAG_SECTION, this.fileName, -1));
+        }
+
+        return Pair.of(metadata, errors);
+
+    }
+
+    private boolean isLineExcluded(ManifestLine line) {
+        return line.isEmpty()
+                || line.startsWith("#")
+                || line.startsWith(SOURCE_TAG_SECTION);
+    }
+
+    private boolean shouldStopProcessing(Pair<String, String> data, List<CSARArchive.CSARError> errors, int lineNumber) {
+        if (isNewSection(data) || isSourceSection(data)) {
+            if (!isSectionSupported(data.getKey())) {
+                errors.add(new PnfCSARError.PnfCSARErrorWarning(data.getKey(), this.fileName, lineNumber));
+            }
+            return true;
+        }
+        return false;
+    }
+
+    private boolean isNewSection(Pair<String, String> data) {
+        String key = data.getKey().trim();
+        String value = data.getValue().trim();
+        return key.matches("[a-zA-z_0-9]+") && (value.isEmpty() || ManifestLine.of(value).startsWith("#"));
+    }
+
+    private boolean isSourceSection(Pair<String, String> data) {
+        return data.getKey().equalsIgnoreCase(SOURCE_TAG_SECTION)
+                || data.getKey().equalsIgnoreCase(ALGORITHM)
+                || data.getKey().equalsIgnoreCase(HASH);
+    }
+
+    private boolean isSectionSupported(String key) {
+        return Lists.newArrayList(
+                METADATA_SECTION_TAG_SECTION,
+                SOURCE_TAG_SECTION, ALGORITHM, HASH,
+                NON_MANO_ARTIFACT_SETS_TAG_SECTION).contains(key.toLowerCase());
+    }
+
+    private void handleMetadataLine(
+            CSARArchive.Manifest.Metadata metadata,
+            List<CSARArchive.CSARError> errors,
+            int lineNumber,
+            Pair<String, String> data) {
+
+        String paramName = data.getKey();
+        String value = data.getValue();
+
+        switch (paramName) {
+            case PRODUCT_NAME:
+                metadata.setProductName(value);
+                break;
+            case PROVIDER_ID:
+                metadata.setProviderId(value);
+                break;
+            case VERSION:
+                metadata.setPackageVersion(value);
+                break;
+            case RELEASE_DATE_TIME:
+                metadata.setReleaseDateTime(value);
+                break;
+            default:
+                errors.add(new PnfCSARError.PnfCSARErrorInvalidEntry(
+                        paramName,
+                        this.fileName,
+                        lineNumber));
+                break;
+        }
+    }
+
+}