1 files changed, 82 insertions, 0 deletions
diff --git a/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcToscaParserFactory.java b/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcToscaParserFactory.java
new file mode 100644
index 0000000..2ddde1f
--- /dev/null
+++ b/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcToscaParserFactory.java
@@ -0,0 +1,82 @@
+package org.openecomp.sdc.tosca.parser.impl;
+
+import org.openecomp.sdc.tosca.parser.api.ConformanceLevel;
+import org.openecomp.sdc.tosca.parser.api.ISdcCsarHelper;
+import org.openecomp.sdc.tosca.parser.config.*;
+import org.openecomp.sdc.tosca.parser.exceptions.SdcToscaParserException;
+import org.openecomp.sdc.tosca.parser.utils.GeneralUtility;
+import org.openecomp.sdc.toscaparser.api.ToscaTemplate;
+import org.openecomp.sdc.toscaparser.api.common.JToscaException;
+import org.openecomp.sdc.toscaparser.api.utils.JToscaErrorCodes;
+
+public class SdcToscaParserFactory {
+
+    private static volatile SdcToscaParserFactory instance;
+    private static Configuration configuration;
+    private static ErrorConfiguration errorConfiguration;
+
+    private SdcToscaParserFactory() {
+
+    }
+
+    /**
+     * Get an SdcToscaParserFactory instance.
+     * @return SdcToscaParserFactory instance.
+     */
+    public static SdcToscaParserFactory getInstance() {
+        if (instance == null) {
+            synchronized (SdcToscaParserFactory.class) {
+                if (instance == null) {
+                    instance = new SdcToscaParserFactory();
+                    configuration = ConfigurationManager.getInstance().getConfiguration();
+                    errorConfiguration = ConfigurationManager.getInstance().getErrorConfiguration();
+                }
+            }
+        }
+        return instance;
+    }
+
+    /**
+     * Get an ISdcCsarHelper object for this CSAR file.
+     *
+     * @param csarPath - the absolute path to CSAR file.
+     * @return ISdcCsarHelper object.
+     * @throws SdcToscaParserException - in case the path or CSAR are invalid.
+     */
+    public ISdcCsarHelper getSdcCsarHelper(String csarPath) throws SdcToscaParserException {
+        synchronized (SdcToscaParserFactory.class) {
+            ToscaTemplate tosca = null;
+            try {
+                tosca = new ToscaTemplate(csarPath, null, true, null);
+            } catch (JToscaException e) {
+                throwSdcToscaParserException(e);
+            }
+            SdcCsarHelperImpl sdcCsarHelperImpl = new SdcCsarHelperImpl(tosca);
+            validateCsarVersion(sdcCsarHelperImpl.getConformanceLevel());
+            return sdcCsarHelperImpl;
+        }
+    }
+
+    private void validateCsarVersion(String cSarVersion) throws SdcToscaParserException {
+        ConformanceLevel level = configuration.getConformanceLevel();
+        String minVersion = level.getMinVersion();
+        String maxVersion = level.getMaxVersion();
+        if (cSarVersion != null) {
+            if ((GeneralUtility.conformanceLevelCompare(cSarVersion, minVersion) < 0) || (GeneralUtility.conformanceLevelCompare(cSarVersion, maxVersion) > 0)) {
+                throwConformanceLevelException(minVersion, maxVersion);
+            }
+        } else {
+            throwConformanceLevelException(minVersion, maxVersion);
+        }
+    }
+
+    private void throwConformanceLevelException(String minVersion, String maxVersion) throws SdcToscaParserException {
+        ErrorInfo errorInfo = errorConfiguration.getErrorInfo(SdcToscaParserErrors.CONFORMANCE_LEVEL_ERROR.toString());
+        throw new SdcToscaParserException(String.format(errorInfo.getMessage(), minVersion, maxVersion), errorInfo.getCode());
+    }
+
+    private void throwSdcToscaParserException(JToscaException e) throws SdcToscaParserException {
+        ErrorInfo errorInfo = errorConfiguration.getErrorInfo(SdcToscaParserErrors.getSdcErrorByJToscaError(JToscaErrorCodes.getByCode(e.getCode())).toString());
+        throw new SdcToscaParserException(errorInfo.getMessage(), errorInfo.getCode());
+    }
+}
+\ No newline at end of file