1 files changed, 69 insertions, 0 deletions
diff --git a/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcToscaParserFactory.java b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcToscaParserFactory.java
new file mode 100644
index 0000000..6be293e
--- /dev/null
+++ b/sdc-tosca-parser/src/main/java/org/openecomp/sdc/tosca/parser/impl/SdcToscaParserFactory.java
@@ -0,0 +1,69 @@
+package org.openecomp.sdc.tosca.parser.impl;
+
+import java.io.IOException;
+
+import org.openecomp.sdc.tosca.parser.api.ISdcCsarHelper;
+import org.openecomp.sdc.tosca.parser.exceptions.SdcToscaParserException;
+import org.openecomp.sdc.toscaparser.ToscaParserFactory;
+
+public class SdcToscaParserFactory implements AutoCloseable{
+
+	private static SdcToscaParserFactory instance;
+	private static ToscaParserFactory toscaParserFactory; 
+	
+	private SdcToscaParserFactory(){}
+
+	/**
+	 * Get an SdcToscaParserFactory instance.
+	 * After parsing work is done, it must be closed using the close() method.
+	 */
+	public static SdcToscaParserFactory getInstance() {
+		if (instance == null) {
+			synchronized (SdcToscaParserFactory.class) {
+				if (instance == null) {
+					instance = new SdcToscaParserFactory();
+					toscaParserFactory = new ToscaParserFactory();
+				}
+			}
+		}
+		return instance;
+	}
+
+	/**
+	 * Get an ISdcCsarHelper object for this CSAR file.
+	 * @param csarPath - the path to CSAR file.
+	 * @return ISdcCsarHelper object.
+	 * @throws SdcToscaParserException - in case the path or CSAR are invalid.
+	 */
+	public ISdcCsarHelper getSdcCsarHelper(String csarPath) throws SdcToscaParserException{
+		//TODO add logic to check if legal file and csar
+		synchronized (SdcToscaParserFactory.class) {
+			if (toscaParserFactory == null){
+				throw new SdcToscaParserException("The factory is closed. It was probably closed too soon.");
+			}
+			try {
+				return new SdcCsarHelperImpl(toscaParserFactory.create().parse(csarPath));
+			} catch (IOException e) {
+				throw new SdcToscaParserException("Exception when creating the parser: "+e.getMessage());
+			}
+		}
+	}
+
+	/**
+	 * Close the SdcToscaParserFactory.
+	 */
+	public void close() {
+		if (toscaParserFactory != null){
+			synchronized (SdcToscaParserFactory.class) {
+				if (toscaParserFactory != null) {
+					try {
+						toscaParserFactory.close();
+						toscaParserFactory = null;
+					} catch (IOException e) {
+						//TODO add logging
+					}
+				}
+			}
+		}
+	}
+}
+\ No newline at end of file