[ONOS-3880, 3881] Yang Listener for Module and Sub-Module
Change-Id: Iee75c3e04af9b66ebc38acb3396aa4c54af5a268
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/NamespaceListener.java b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/NamespaceListener.java
index 6f694e1..8386788 100644
--- a/src/main/java/org/onosproject/yangutils/parser/impl/listeners/NamespaceListener.java
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/listeners/NamespaceListener.java
@@ -16,8 +16,19 @@
package org.onosproject.yangutils.parser.impl.listeners;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNameSpace;
+import org.onosproject.yangutils.parser.Parsable;
+import org.onosproject.yangutils.parser.ParsableDataType;
import org.onosproject.yangutils.parser.antlrgencode.GeneratedYangParser;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
import org.onosproject.yangutils.parser.impl.TreeWalkListener;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType;
+import org.onosproject.yangutils.parser.impl.parserutils.ListenerValidation;
+
+import java.net.URI;
/*
* Reference: RFC6020 and YANG ANTLR Grammar
@@ -63,6 +74,53 @@
*/
public static void processNamespaceEntry(TreeWalkListener listener,
GeneratedYangParser.NamespaceStatementContext ctx) {
- // TODO method implementation
+
+ // Check for stack to be non empty.
+ ListenerValidation.checkStackIsNotEmpty(listener, ListenerErrorType.MISSING_HOLDER,
+ ParsableDataType.NAMESPACE_DATA,
+ String.valueOf(ctx.string().getText()), ListenerErrorLocation.ENTRY);
+
+ if (!validateUriValue(String.valueOf(ctx.string().getText()))) {
+ ParserException parserException = new ParserException("Invalid namespace URI");
+ parserException.setLine(ctx.string().STRING(0).getSymbol().getLine());
+ parserException.setCharPosition(ctx.string().STRING(0).getSymbol().getCharPositionInLine());
+ throw parserException;
+ }
+
+ // Obtain the node of the stack.
+ Parsable tmpNode = listener.getParsedDataStack().peek();
+ switch (tmpNode.getParsableDataType()) {
+ case MODULE_DATA: {
+ YangModule module = (YangModule) tmpNode;
+ YangNameSpace uri = new YangNameSpace();
+ uri.setUri(String.valueOf(ctx.string().getText()));
+ module.setNameSpace(uri);
+ break;
+ }
+ default:
+ throw new ParserException(
+ ListenerErrorMessageConstruction
+ .constructListenerErrorMessage(ListenerErrorType.INVALID_HOLDER,
+ ParsableDataType.NAMESPACE_DATA,
+ String.valueOf(ctx.string().getText()),
+ ListenerErrorLocation.ENTRY));
+ }
}
-}
+
+ /**
+ * Validate input URI.
+ *
+ * @param uri input namespace URI
+ * @return validation result
+ */
+ private static boolean validateUriValue(String uri) {
+ uri = uri.replace("\"", "");
+ final URI tmpUri;
+ try {
+ tmpUri = URI.create(uri);
+ } catch (Exception e1) {
+ return false;
+ }
+ return true;
+ }
+}
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