From e4216e7eabcb99c585909a262a1cf8d626b97ca6 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 17 Dec 2019 01:10:53 -0800
Subject: Send correct XML response

---
 .../protocol/GlobalstarProtocolDecoder.java        | 46 +++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

(limited to 'src/main/java/org/traccar/protocol/GlobalstarProtocolDecoder.java')

diff --git a/src/main/java/org/traccar/protocol/GlobalstarProtocolDecoder.java b/src/main/java/org/traccar/protocol/GlobalstarProtocolDecoder.java
index 5739a1224..26af8d5af 100644
--- a/src/main/java/org/traccar/protocol/GlobalstarProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/GlobalstarProtocolDecoder.java
@@ -17,28 +17,40 @@ package org.traccar.protocol;
 
 import com.fasterxml.jackson.databind.util.ByteBufferBackedInputStream;
 import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufOutputStream;
 import io.netty.buffer.Unpooled;
 import io.netty.channel.Channel;
+import io.netty.handler.codec.http.DefaultFullHttpResponse;
 import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.FullHttpResponse;
 import io.netty.handler.codec.http.HttpResponseStatus;
+import io.netty.handler.codec.http.HttpVersion;
 import org.traccar.BaseHttpProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.Protocol;
 import org.traccar.helper.DataConverter;
 import org.traccar.model.Position;
 import org.w3c.dom.Document;
+import org.w3c.dom.Element;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
 import javax.xml.xpath.XPath;
 import javax.xml.xpath.XPathConstants;
 import javax.xml.xpath.XPathExpression;
 import javax.xml.xpath.XPathExpressionException;
 import javax.xml.xpath.XPathFactory;
 import java.net.SocketAddress;
+import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.LinkedList;
 import java.util.List;
@@ -67,6 +79,38 @@ public class GlobalstarProtocolDecoder extends BaseHttpProtocolDecoder {
         }
     }
 
+    private void sendResponse(Channel channel, String messageId) throws TransformerException {
+
+        Document document = documentBuilder.newDocument();
+        Element rootElement = document.createElement("stuResponseMsg");
+        rootElement.setAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
+        rootElement.setAttribute(
+                "xsi:noNamespaceSchemaLocation", "http://cody.glpconnect.com/XSD/StuResponse_Rev1_0.xsd");
+        rootElement.setAttribute("deliveryTimeStamp", new SimpleDateFormat("dd/MM/yyyy hh:mm:ss z").format(new Date()));
+        rootElement.setAttribute("messageID", "00000000000000000000000000000000");
+        rootElement.setAttribute("correlationID", messageId);
+        document.appendChild(rootElement);
+
+        Element state = document.createElement("state");
+        state.appendChild(document.createTextNode("pass"));
+        rootElement.appendChild(state);
+
+        Element stateMessage = document.createElement("stateMessage");
+        stateMessage.appendChild(document.createTextNode("Messages received and stored successfully"));
+        rootElement.appendChild(stateMessage);
+
+        Transformer transformer = TransformerFactory.newInstance().newTransformer();
+        ByteBuf content = Unpooled.buffer();
+        transformer.transform(new DOMSource(document), new StreamResult(new ByteBufOutputStream(content)));
+
+        FullHttpResponse response = new DefaultFullHttpResponse(
+                HttpVersion.HTTP_1_1, HttpResponseStatus.OK, content);
+        if (channel != null) {
+            channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
+        }
+    }
+
+
     @Override
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -112,7 +156,7 @@ public class GlobalstarProtocolDecoder extends BaseHttpProtocolDecoder {
             }
         }
 
-        sendResponse(channel, HttpResponseStatus.OK);
+        sendResponse(channel, document.getFirstChild().getAttributes().getNamedItem("messageID").getNodeValue());
         return positions;
     }
 
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