1 files changed, 76 insertions, 0 deletions
diff --git a/jtosca/src/main/java/org/openecomp/sdc/toscaparser/functions/Concat.java b/jtosca/src/main/java/org/openecomp/sdc/toscaparser/functions/Concat.java
new file mode 100644
index 0000000..af69f86
--- /dev/null
+++ b/jtosca/src/main/java/org/openecomp/sdc/toscaparser/functions/Concat.java
@@ -0,0 +1,76 @@
+package org.openecomp.sdc.toscaparser.functions;
+
+import java.util.ArrayList;
+
+import org.openecomp.sdc.toscaparser.TopologyTemplate;
+import org.openecomp.sdc.toscaparser.common.ExceptionCollector;
+
+public class Concat extends Function {
+    // Validate the function and provide an instance of the function
+
+    // Concatenation of values are supposed to be produced at runtime and
+    // therefore its the responsibility of the TOSCA engine to implement the
+    // evaluation of Concat functions.
+
+    // Arguments:
+
+    // * List of strings that needs to be concatenated
+
+    // Example:
+
+    //  [ 'http://',
+    //    get_attribute: [ server, public_address ],
+    //    ':' ,
+    //    get_attribute: [ server, port ] ]
+
+ 
+	public Concat(TopologyTemplate ttpl,Object context,String name,ArrayList<Object> args) {
+		super(ttpl,context,name,args);
+	}
+	
+	@Override
+	public Object result() {
+		return this;
+	}
+
+	@Override
+	void validate() {
+		if(args.size() < 1) {
+	        ExceptionCollector.appendException(
+	            "ValueError: Invalid arguments for function \"concat\". " +
+	            "Expected at least one argument");
+		}
+	}
+
+}
+
+/*python
+
+class Concat(Function):
+"""Validate the function and provide an instance of the function
+
+Concatenation of values are supposed to be produced at runtime and
+therefore its the responsibility of the TOSCA engine to implement the
+evaluation of Concat functions.
+
+Arguments:
+
+* List of strings that needs to be concatenated
+
+Example:
+
+  [ 'http://',
+    get_attribute: [ server, public_address ],
+    ':' ,
+    get_attribute: [ server, port ] ]
+"""
+
+def validate(self):
+    if len(self.args) < 1:
+        ExceptionCollector.appendException(
+            ValueError(_('Invalid arguments for function "{0}". Expected '
+                         'at least one arguments.').format(CONCAT)))
+
+def result(self):
+    return self
+*/
+\ No newline at end of file