1 files changed, 80 insertions, 0 deletions
diff --git a/jtosca/src/main/java/org/openecomp/sdc/toscaparser/api/common/ExceptionCollector.java b/jtosca/src/main/java/org/openecomp/sdc/toscaparser/api/common/ExceptionCollector.java
new file mode 100644
index 0000000..9bef6bc
--- /dev/null
+++ b/jtosca/src/main/java/org/openecomp/sdc/toscaparser/api/common/ExceptionCollector.java
@@ -0,0 +1,80 @@
+package org.openecomp.sdc.toscaparser.api.common;
+
+import org.openecomp.sdc.toscaparser.api.elements.EntityType;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+
+// Perfectly good enough... 
+
+public class ExceptionCollector {
+
+	private static Logger log = LoggerFactory.getLogger(ExceptionCollector.class.getName());
+
+	private static boolean isCollecting = false;
+	private static ArrayList<String> exceptionStrings = null;
+	private static ArrayList<String> traceStrings = null;
+	private static boolean bWantTrace = true;
+
+	public static void start() {
+		if(exceptionStrings == null) {
+			exceptionStrings = new ArrayList<String>();
+			traceStrings = new ArrayList<String>();
+		}
+		isCollecting = true;
+	}
+
+	public static void stop() {
+		isCollecting = false;
+	}
+
+	public static void clear() {
+		exceptionStrings = null;
+		traceStrings = null;
+	}
+
+	public static void appendException(String strExc) { // throws Exception {
+
+		if(!isCollecting) {
+			// throw new Exception("Can't append exception " + strExc);
+			log.error("ExceptionCollector - appendException - Can't append exception {}", strExc);
+		}
+
+		if(!exceptionStrings.contains(strExc)) {
+			exceptionStrings.add(strExc);
+			// get stack trace
+			StackTraceElement[] ste =  Thread.currentThread().getStackTrace();
+			StringBuilder sb = new StringBuilder();
+			// skip the last 2 (getStackTrace and this)
+			for(int i=2; i<ste.length; i++) {
+				sb.append(String.format("  %s(%s:%d)%s",ste[i].getClassName(),ste[i].getFileName(),
+												ste[i].getLineNumber(),i==ste.length-1?" ":"\n"));
+			}
+			traceStrings.add(sb.toString());
+		}
+	}
+
+	public static ArrayList<String> getExceptionReport() {
+		if(exceptionStrings.size() > 0) {
+			ArrayList<String> report = new ArrayList<>();
+			for(int i=0; i<exceptionStrings.size(); i++) {
+				report.add(exceptionStrings.get(i));
+				if(bWantTrace) {
+					report.add(traceStrings.get(i));
+				}
+			}
+			return report;
+		}
+		return null;
+	}
+	
+	public static int errorsCaught() {
+		return exceptionStrings.size();
+	}
+	
+	public static void setWantTrace(boolean b) {
+		bWantTrace = b;
+	}
+
+}