Create pnf scar archive module

Change-Id: Iad552af5d4e9f446de9abecdded317ee2065edc4
Issue-ID: VNFSDK-377
Signed-off-by: Zebek Bogumil <bogumil.zebek@nokia.com>

3 files changed, 272 insertions, 4 deletions

diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java b/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java
index cfea2b4..fdc8713 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java
@@ -783,7 +783,7 @@ public class CSARArchive {
 
         private Manifest.Metadata metadata = new Metadata();
 
-        private Map<String, Map<String, String>> nonMano = new HashMap<>();
+        private Map<String, Map<String, List<String>>> nonMano = new HashMap<>();
 
         public Manifest.Metadata getMetadata() {
             return metadata;
@@ -793,11 +793,11 @@ public class CSARArchive {
             this.metadata = metadata;
         }
 
-        public Map<String, Map<String, String>> getNonMano() {
+        public Map<String, Map<String, List<String>>> getNonMano() {
             return nonMano;
         }
 
-        public void setNonMano(Map<String, Map<String, String>> nonMano) {
+        public void setNonMano(Map<String, Map<String, List<String>>> nonMano) {
             this.nonMano = nonMano;
         }
     }
@@ -923,7 +923,7 @@ public class CSARArchive {
         }
     }
 
-    private void parseManifest() throws IOException {
+    void parseManifest() throws IOException {
         //manifest is optional, so check for it
         if (this.manifestMfFile == null) {
             return;
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/PnfCSARArchive.java b/csarvalidation/src/main/java/org/onap/cvc/csar/PnfCSARArchive.java
new file mode 100644
index 0000000..bb0a723
--- /dev/null
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/PnfCSARArchive.java
@@ -0,0 +1,48 @@
+/**
+ * Copyright 2019 Nokia
+ *
+ * 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.onap.cvc.csar;
+
+import org.apache.commons.lang3.tuple.Pair;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+
+public class PnfCSARArchive extends CSARArchive {
+
+    @Override
+    void parseManifest() throws IOException {
+
+        //manifest is optional, so check for it
+        if (this.getManifestMfFile() == null) {
+            return;
+        }
+
+        PnfManifestParser pnfManifestParser = PnfManifestParser.getInstance(
+                this.getManifestMfFile().getAbsolutePath()
+        );
+
+        Pair<Manifest.Metadata, List<CSARError>> metadataData = pnfManifestParser.fetchMetadata();
+        Pair<Map<String, Map<String, List<String>>>, List<CSARError>> nonManoArtifactsData = pnfManifestParser.fetchNonManoArtifacts();
+
+        Manifest manifest = this.getManifest();
+        manifest.setMetadata(metadataData.getKey());
+        manifest.setNonMano(nonManoArtifactsData.getKey());
+        this.getErrors().addAll(metadataData.getValue());
+        this.getErrors().addAll(nonManoArtifactsData.getValue());
+    }
+
+}
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/PnfManifestParser.java b/csarvalidation/src/main/java/org/onap/cvc/csar/PnfManifestParser.java
new file mode 100644
index 0000000..a92ebd4
--- /dev/null
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/PnfManifestParser.java
@@ -0,0 +1,220 @@
+/**
+ * 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;
+
+import com.google.common.collect.Lists;
+import org.apache.commons.lang3.tuple.Pair;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class PnfManifestParser {
+
+
+    public static final String METADATA_SECTION = "metadata";
+    public static final String NON_MANO_ARTIFACT_SETS_SECTION = "non_mano_artifact_sets";
+
+    private final List<String> lines;
+    private final String fileName;
+
+    PnfManifestParser(List<String> lines, String fileName) {
+        this.lines = lines;
+        this.fileName = fileName;
+    }
+
+    public static PnfManifestParser getInstance(String fileName) throws IOException {
+        try (Stream<String> stream = Files.lines(Paths.get(fileName))) {
+            List<String> lines = stream
+                    .map(String::trim)
+                    .collect(Collectors.toList());
+
+            return new PnfManifestParser(lines, fileName);
+        }
+    }
+
+    public Pair<CSARArchive.Manifest.Metadata, List<CSARArchive.CSARError>> fetchMetadata() {
+        CSARArchive.Manifest.Metadata metadata = new CSARArchive.Manifest.Metadata();
+        List<CSARArchive.CSARError> errors = new ArrayList<>();
+
+        boolean isMetadataSectionAvailable = false;
+        int lineNumber = 0;
+        for (String line : lines) {
+            lineNumber++;
+            if (line.trim().isEmpty()){
+                continue;
+            } else if (line.startsWith(METADATA_SECTION)) {
+                isMetadataSectionAvailable = true;
+                continue;
+            }else if (isMetadataSectionAvailable) {
+                Pair<String, String> data = parseLine(line);
+
+                if (isNewSection(data)) {
+                    if(!isSectionSupported(data.getKey())) {
+                        errors.add(new PnfCSARErrorWarning(data.getKey(), this.fileName, lineNumber));
+                    }
+                    break;
+                }
+
+                handleMetadataLine(metadata, errors, lineNumber, data);
+            }
+        }
+
+        if (!isMetadataSectionAvailable) {
+            errors.add(new PnfCSARErrorEntryMissing(METADATA_SECTION, this.fileName, -1));
+        }
+
+        return Pair.of(metadata, errors);
+
+    }
+
+    public Pair<Map<String, Map<String, List<String>>>, List<CSARArchive.CSARError>> fetchNonManoArtifacts() {
+        Map<String, Map<String, List<String>>> nonManoArtifacts = new HashMap<>();
+        List<CSARArchive.CSARError> errors = new ArrayList<>();
+
+        boolean isNonManoArtifactsSectionAvailable = false;
+        String attributeName = null;
+
+        for (String line : lines) {
+
+            if (line.trim().isEmpty()) {
+                continue;
+            } else if (line.startsWith(NON_MANO_ARTIFACT_SETS_SECTION)) {
+                isNonManoArtifactsSectionAvailable = true;
+                continue;
+            } else if (isNonManoArtifactsSectionAvailable) {
+                Pair<String, String> data = parseLine(line);
+
+                if (isNewSection(data)) {
+                    attributeName = data.getKey();
+                    continue;
+                }
+
+                handleNonManoArtifactLine(nonManoArtifacts, attributeName, data);
+            }
+        }
+
+        if (!isNonManoArtifactsSectionAvailable) {
+            errors.add(new PnfCSARErrorEntryMissing(NON_MANO_ARTIFACT_SETS_SECTION, this.fileName, -1));
+        }
+
+        return Pair.of(nonManoArtifacts, errors);
+    }
+
+    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 "pnf_product_name":
+                metadata.setProductName(value);
+                break;
+            case "pnf_provider_id":
+                metadata.setProviderId(value);
+                break;
+            case "pnf_package_version":
+                metadata.setPackageVersion(value);
+                break;
+            case "pnf_release_date_time":
+                metadata.setReleaseDateTime(value);
+                break;
+            default:
+                errors.add(new PnfCSARErrorInvalidEntry(
+                        paramName,
+                        this.fileName,
+                        lineNumber));
+                break;
+        }
+    }
+
+    private void handleNonManoArtifactLine(
+            Map<String, Map<String, List<String>>> nonManoArtifacts,
+            String attributeName,
+            Pair<String, String> data) {
+
+        String key = data.getKey();
+        String value = data.getValue();
+
+        Map<String, List<String>> attributeWithValues = nonManoArtifacts.getOrDefault(attributeName, new HashMap<>());
+        List<String> values = attributeWithValues.getOrDefault(key, new ArrayList<>());
+        values.add(value);
+        attributeWithValues.put(key, values);
+        nonManoArtifacts.put(attributeName, attributeWithValues);
+    }
+
+    private boolean isSectionSupported(String key) {
+        return Lists.newArrayList(METADATA_SECTION, NON_MANO_ARTIFACT_SETS_SECTION).contains(key);
+    }
+
+
+    private boolean isNewSection(Pair<String, String> data) {
+        String value = data.getValue().trim();
+        return value.isEmpty() || value.startsWith("#");
+    }
+
+
+    private Pair<String, String> parseLine(String line) {
+        String[] elements = line.split(": ");
+        if (elements.length == 2)
+            return Pair.of(elements[0], elements[1]);
+
+        if (line.endsWith(":"))
+            return Pair.of(line.substring(0, line.length() - 1), "");
+        else
+            return Pair.of(line, "");
+
+
+    }
+
+    private static class PnfCSARError extends CSARArchive.CSARError {
+        public PnfCSARError(String errorCode, String message,  int lineNumber, String file) {
+            super(errorCode);
+            this.message = message;
+            this.file = file;
+            this.lineNumber = lineNumber;
+        }
+    }
+
+    public static class PnfCSARErrorInvalidEntry extends PnfCSARError {
+        public PnfCSARErrorInvalidEntry(String entry, String file, int lineNumber) {
+            super("0x2000", "Invalid. Entry [" + entry + "]", lineNumber, file);
+        }
+    }
+
+    private static class PnfCSARErrorWarning extends PnfCSARError {
+        public PnfCSARErrorWarning(String entry, String file, int lineNumber) {
+            super("0x2001", "Warning. Entry [" + entry + "]", lineNumber, file);
+        }
+    }
+
+    private static class PnfCSARErrorEntryMissing extends PnfCSARError {
+        public PnfCSARErrorEntryMissing(String entry, String file, int lineNumber) {
+            super("0x2002", "Missing. Entry [" + entry + "]", lineNumber, file);
+        }
+    }
+
+}