1 files changed, 112 insertions, 0 deletions
diff --git a/src/com/isode/stroke/parser/payloadparsers/RosterItemExchangeParser.java b/src/com/isode/stroke/parser/payloadparsers/RosterItemExchangeParser.java
new file mode 100644
index 0000000..7228fc3
--- /dev/null
+++ b/src/com/isode/stroke/parser/payloadparsers/RosterItemExchangeParser.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2011 Jan Kaluza
+ * Licensed under the Simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+/*
+ * Copyright (c) 2015 Isode Limited.
+ * All rights reserved.
+ * See the COPYING file for more information.
+ */
+/*
+ * Copyright (c) 2015 Tarun Gupta.
+ * Licensed under the simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+
+package com.isode.stroke.parser.payloadparsers;
+
+import com.isode.stroke.parser.GenericPayloadParser;
+import com.isode.stroke.parser.AttributeMap;
+import com.isode.stroke.elements.RosterItemExchangePayload;
+import com.isode.stroke.base.NotNull;
+import com.isode.stroke.jid.JID;
+
+public class RosterItemExchangeParser extends GenericPayloadParser<RosterItemExchangePayload> {
+
+	private final int TopLevel = 0;
+	private final int PayloadLevel = 1;
+	private final int ItemLevel = 2;
+	private int level_ = 0;
+	private boolean inItem_;
+	private RosterItemExchangePayload.Item currentItem_;
+	private String currentText_ = "";
+
+	public RosterItemExchangeParser() {
+		super(new RosterItemExchangePayload());
+		this.level_ = TopLevel;
+		this.inItem_ = false;
+	}
+
+	/**
+	* @param element, NotNull.
+	* @param ns.
+	* @param attributes, NotNull.
+	*/
+	@Override
+	public void handleStartElement(String element, String ns, AttributeMap attributes) {
+		NotNull.exceptIfNull(element, "element");
+		NotNull.exceptIfNull(attributes, "attributes");
+		if (level_ == PayloadLevel) {
+			if (element.equals("item")) {
+				inItem_ = true;
+
+				currentItem_ = new RosterItemExchangePayload.Item();
+
+				currentItem_.setJID(new JID(attributes.getAttribute("jid")));
+				currentItem_.setName(attributes.getAttribute("name"));
+
+				String action = attributes.getAttribute("action");
+				if (action.equals("add")) {
+					currentItem_.setAction(RosterItemExchangePayload.Item.Action.Add);
+				}
+				else if (action.equals("modify")) {
+					currentItem_.setAction(RosterItemExchangePayload.Item.Action.Modify);
+				}
+				else if (action.equals("delete")) {
+					currentItem_.setAction(RosterItemExchangePayload.Item.Action.Delete);
+				}
+				else {
+					// Add is default action according to XEP
+					currentItem_.setAction(RosterItemExchangePayload.Item.Action.Add);
+				}
+			}
+		}
+		else if (level_ == ItemLevel) {
+			if (element.equals("group")) {
+				currentText_ = "";
+			}
+		}
+		++level_;
+	}
+
+	/**
+	* @param element, NotNull.
+	* @param ns.
+	*/
+	@Override
+	public void handleEndElement(String element, String ns) {
+		NotNull.exceptIfNull(element, "element");
+		--level_;
+		if (level_ == PayloadLevel) {
+			if (inItem_) {
+				getPayloadInternal().addItem(currentItem_);
+				inItem_ = false;
+			}
+		}
+		else if (level_ == ItemLevel) {
+			if (element.equals("group")) {
+				currentItem_.addGroup(currentText_);
+			}
+		}
+	}
+
+	/**
+	* @param data, NotNull.
+	*/
+	@Override
+	public void handleCharacterData(String data) {
+		NotNull.exceptIfNull(data, "data");
+		currentText_ += data;
+	}
+}
+\ No newline at end of file