[ONOS-4350] Inter Jar dependency implementation and code restructuring.
Change-Id: Iacac75e4187aed93ce1754c170a9c19707e5b8c3
diff --git a/plugin/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/AugmentListenerUtil.java b/plugin/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/AugmentListenerUtil.java
new file mode 100644
index 0000000..1b2009e
--- /dev/null
+++ b/plugin/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/AugmentListenerUtil.java
@@ -0,0 +1,309 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.yangutils.parser.impl.parserutils;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.onosproject.yangutils.datamodel.CollisionDetector;
+import org.onosproject.yangutils.datamodel.YangModule;
+import org.onosproject.yangutils.datamodel.YangNode;
+import org.onosproject.yangutils.datamodel.YangNodeIdentifier;
+import org.onosproject.yangutils.datamodel.YangSubModule;
+import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
+import org.onosproject.yangutils.datamodel.utils.Parsable;
+import org.onosproject.yangutils.parser.antlrgencode.GeneratedYangParser;
+import org.onosproject.yangutils.parser.exceptions.ParserException;
+import org.onosproject.yangutils.parser.impl.TreeWalkListener;
+
+import static org.onosproject.yangutils.datamodel.utils.YangConstructType.AUGMENT_DATA;
+import static org.onosproject.yangutils.translator.tojava.utils.JavaIdentifierSyntax.getCapitalCase;
+
+/**
+ * Represents a utility which provides listener utilities augment node.
+ */
+public final class AugmentListenerUtil {
+
+ /**
+ * Prefix to be added to generated java file for augment node.
+ */
+ private static final String AUGMENTED = "Augmented";
+
+ /**
+ * The number of time augment has updated the same target node in same module/submodule.
+ */
+ private static int occurrenceCount = 1;
+
+ /**
+ * List of names for augment's generated java file.
+ */
+ private static List<String> augmentJavaFileNameList = new ArrayList<>();
+
+ private static final int ONE = 1;
+ private static final int TWO = 2;
+ private static final int ZERO = 0;
+
+ /**
+ * Creates an instance of augment java file name generator utility.
+ */
+ private AugmentListenerUtil() {
+ }
+
+ /**
+ * Sets the augment java file name list.
+ *
+ * @param nameList name list
+ */
+ private static void setAugmentJavaFileNameList(List<String> nameList) {
+ augmentJavaFileNameList = nameList;
+ }
+
+ /**
+ * Returns augment java file name list.
+ *
+ * @return augment java file name list
+ */
+ public static List<String> getAugmentJavaFileNameList() {
+ return augmentJavaFileNameList;
+ }
+
+ /**
+ * Sets occurrence count.
+ *
+ * @param occurrence occurrence count
+ */
+ private static void setOccurrenceCount(int occurrence) {
+ occurrenceCount = occurrence;
+ }
+
+ /**
+ * Returns occurrence count.
+ *
+ * @return occurrence count
+ */
+ private static int getOccurrenceCount() {
+ return occurrenceCount;
+ }
+
+ /**
+ * Generates name for augment node also detects collision for java file generation of augment node when
+ * augment is updating the same target node in same parent multiple times.
+ *
+ * @param curData parsable data
+ * @param targetNodes list of target nodes
+ * @param listener tree walk listener
+ * @return name for augment node
+ */
+ public static String generateNameForAugmentNode(Parsable curData, List<YangNodeIdentifier> targetNodes,
+ TreeWalkListener listener) {
+
+ String curPrefix = getParentsPrefix((YangNode) curData);
+ YangNodeIdentifier nodeId = targetNodes.get(targetNodes.size() - 1);
+ boolean isPrefix = isPrefixPresent(nodeId, curPrefix);
+ String generateName = createValidNameForAugment(nodeId, isPrefix);
+
+ if (listener.getParsedDataStack().peek() instanceof CollisionDetector) {
+ try {
+ ((CollisionDetector) listener.getParsedDataStack().peek()).detectCollidingChild(generateName,
+ AUGMENT_DATA);
+ } catch (DataModelException e) {
+ return updateNameWhenHasMultipleOuccrrence(nodeId, isPrefix);
+ }
+ }
+
+ clearOccurrenceCount();
+ return generateName;
+ }
+
+ /**
+ * Creates a name identifier for augment.
+ *
+ * @param nodeId node identifier
+ * @param isPrefix if prefix is present or it is not equals to parent's prefix
+ * @return valid name for augment
+ */
+ public static String createValidNameForAugment(YangNodeIdentifier nodeId, boolean isPrefix) {
+ getAugmentJavaFileNameList().add(createName(nodeId, isPrefix));
+ setAugmentJavaFileNameList(getAugmentJavaFileNameList());
+ return getAugmentJavaFileNameList().get(getAugmentJavaFileNameList().size() - 1);
+ }
+
+ /**
+ * Creates name for the current augment file.
+ *
+ * @param nodeId node identifier
+ * @param isPrefix if prefix is present or it is not equals to parent's prefix
+ */
+ private static String createName(YangNodeIdentifier nodeId, boolean isPrefix) {
+ if (isPrefix) {
+ return AUGMENTED + getCapitalCase(nodeId.getPrefix()) + getCapitalCase(nodeId.getName());
+ } else {
+ return AUGMENTED + getCapitalCase(nodeId.getName());
+ }
+ }
+
+ /**
+ * Updates occurrence count of augment.
+ */
+ private static void updateOccurenceCount() {
+ int count = getOccurrenceCount();
+ count++;
+ setOccurrenceCount(count);
+ }
+
+ /**
+ * Updates the list of name when augment has occurred multiple times to update the same target node
+ * and returns a valid name for augment node's generated java file.
+ *
+ * @param nodeId YANG node identifier
+ * @param isPrefix true if a prefix is present and it is not equals to parents prefix
+ * @return valid name for augment node
+ */
+ public static String updateNameWhenHasMultipleOuccrrence(YangNodeIdentifier nodeId, boolean isPrefix) {
+ String name = "";
+ updateOccurenceCount();
+
+ if (getOccurrenceCount() == TWO) {
+ String previousAugmentsName = getAugmentJavaFileNameList().get(getAugmentJavaFileNameList().size() - ONE);
+ getAugmentJavaFileNameList().remove(ZERO);
+ getAugmentJavaFileNameList().add(previousAugmentsName + ONE);
+ //TODO: update when already contains the name.
+ name = createName(nodeId, isPrefix) + TWO;
+ } else {
+ name = createName(nodeId, isPrefix) + getOccurrenceCount();
+ }
+ getAugmentJavaFileNameList().add(name);
+ return name;
+ }
+
+ /**
+ * Resets occurrence count to one.
+ */
+ public static void clearOccurrenceCount() {
+ setOccurrenceCount(ONE);
+ }
+
+ /**
+ * Returns true if a prefix is present and it is not equals to parents prefix.
+ *
+ * @param nodeId YANG node identifier
+ * @param parentsPrefix parent's prefix
+ * @return true if a prefix is present and it is not equals to parents prefix
+ */
+ private static boolean isPrefixPresent(YangNodeIdentifier nodeId, String parentsPrefix) {
+ return nodeId.getPrefix() != null && nodeId.getPrefix() != parentsPrefix;
+ }
+
+ /**
+ * Validates whether current node in target path is valid or not.
+ *
+ * @param curNode current YANG node
+ * @param targetNodes list of target nodes
+ * @param ctx augment statement context
+ */
+ public static void validateNodeInTargetPath(YangNode curNode, List<YangNodeIdentifier> targetNodes,
+ GeneratedYangParser.AugmentStatementContext ctx) {
+
+ curNode = curNode.getChild();
+ YangNode tempNode = validateCurrentTargetNode(targetNodes, curNode);
+ if (tempNode != null) {
+ switch (tempNode.getNodeType()) {
+ case CONTAINER_NODE:
+ break;
+ case LIST_NODE:
+ break;
+ case CHOICE_NODE:
+ break;
+ case CASE_NODE:
+ break;
+ case INPUT_NODE:
+ break;
+ case OUTPUT_NODE:
+ break;
+ case NOTIFICATION_NODE:
+ break;
+ default:
+ throw parserException(ctx);
+ }
+ } else {
+ throw parserException(ctx);
+ }
+ }
+
+ /**
+ * Validates whether nodes in target node list are valid or not.
+ *
+ * @param targetNodes target node
+ * @param curNode YANG node
+ * @return true or false
+ */
+ private static YangNode validateCurrentTargetNode(List<YangNodeIdentifier> targetNodes, YangNode curNode) {
+ YangNode tempNode = null;
+ while (curNode != null) {
+ tempNode = curNode;
+ for (int i = 1; i < targetNodes.size(); i++) {
+ if (curNode.getName().equals(targetNodes.get(i).getName())) {
+ if (curNode.getChild() != null && targetNodes.size() - 1 != i) {
+ curNode = curNode.getChild();
+ } else if (curNode.getChild() != null && targetNodes.size() - 1 == i) {
+ return curNode;
+ } else if (curNode.getChild() == null && targetNodes.size() - 1 == i) {
+ return curNode;
+ } else {
+ break;
+ }
+ } else {
+ curNode = tempNode;
+ break;
+ }
+ }
+ curNode = curNode.getNextSibling();
+ }
+ return null;
+ }
+
+ /**
+ * Builds parser exception.
+ *
+ * @param ctx augment statement context
+ * @return parser exception
+ */
+ public static ParserException parserException(GeneratedYangParser.AugmentStatementContext ctx) {
+ int line = ctx.getStart().getLine();
+ int charPositionInLine = ctx.getStart().getCharPositionInLine();
+ ParserException exception = new ParserException("invalid target node path.");
+ exception.setLine(line);
+ exception.setCharPosition(charPositionInLine);
+ return exception;
+ }
+
+ /**
+ * Returns parent nodes prefix.
+ *
+ * @param curNode current YANG node
+ * @return parent nodes prefix
+ */
+ public static String getParentsPrefix(YangNode curNode) {
+ String curPrefix = null;
+ if (curNode instanceof YangModule) {
+ curPrefix = ((YangModule) curNode).getPrefix();
+ } else if (curNode instanceof YangSubModule) {
+ curPrefix = ((YangSubModule) curNode).getPrefix();
+ }
+ return curPrefix;
+ }
+}