From 5d901b5e3f033e8b04e53420d68626cbd87431c8 Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期五, 06 五月 2022 10:12:34 +0800
Subject: [PATCH] 使用阿里代码规范。规范代码写法

---
 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/SIPRequestProcessorParent.java |   62 +++++++++++++++++++++++++++---
 1 files changed, 55 insertions(+), 7 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/SIPRequestProcessorParent.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/SIPRequestProcessorParent.java
index d4de725..56078f1 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/SIPRequestProcessorParent.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/SIPRequestProcessorParent.java
@@ -1,9 +1,11 @@
 package com.genersoft.iot.vmp.gb28181.transmit.event.request;
 
+import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
 import gov.nist.javax.sip.SipProviderImpl;
 import gov.nist.javax.sip.SipStackImpl;
 import gov.nist.javax.sip.message.SIPRequest;
 import gov.nist.javax.sip.stack.SIPServerTransaction;
+import org.apache.commons.lang3.ArrayUtils;
 import org.dom4j.Document;
 import org.dom4j.DocumentException;
 import org.dom4j.Element;
@@ -25,7 +27,12 @@
 import javax.sip.message.Request;
 import javax.sip.message.Response;
 import java.io.ByteArrayInputStream;
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
 import java.text.ParseException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
 /**    
  * @description:澶勭悊鎺ユ敹IPCamera鍙戞潵鐨凷IP鍗忚璇锋眰娑堟伅
@@ -132,7 +139,9 @@
 		serverTransaction.sendResponse(response);
 		if (statusCode >= 200 && !"NOTIFY".equals(evt.getRequest().getMethod())) {
 
-			if (serverTransaction.getDialog() != null) serverTransaction.getDialog().delete();
+			if (serverTransaction.getDialog() != null) {
+				serverTransaction.getDialog().delete();
+			}
 		}
 	}
 
@@ -142,7 +151,9 @@
 		ServerTransaction serverTransaction = getServerTransaction(evt);
 		serverTransaction.sendResponse(response);
 		if (statusCode >= 200 && !"NOTIFY".equals(evt.getRequest().getMethod())) {
-			if (serverTransaction.getDialog() != null) serverTransaction.getDialog().delete();
+			if (serverTransaction.getDialog() != null) {
+				serverTransaction.getDialog().delete();
+			}
 		}
 	}
 
@@ -154,13 +165,18 @@
 	 * @throws InvalidArgumentException
 	 * @throws ParseException
 	 */
-	public void responseSdpAck(RequestEvent evt, String sdp) throws SipException, InvalidArgumentException, ParseException {
+	public void responseSdpAck(RequestEvent evt, String sdp, ParentPlatform platform) throws SipException, InvalidArgumentException, ParseException {
 		Response response = getMessageFactory().createResponse(Response.OK, evt.getRequest());
 		SipFactory sipFactory = SipFactory.getInstance();
 		ContentTypeHeader contentTypeHeader = sipFactory.createHeaderFactory().createContentTypeHeader("APPLICATION", "SDP");
 		response.setContent(sdp, contentTypeHeader);
 
+		// 鍏煎鍥芥爣涓殑浣跨敤缂栫爜@鍩熷悕浣滀负RequestURI鐨勬儏鍐�
 		SipURI sipURI = (SipURI)evt.getRequest().getRequestURI();
+		if (sipURI.getPort() == -1) {
+			sipURI = sipFactory.createAddressFactory().createSipURI(platform.getServerGBId(),  platform.getServerIP()+":"+platform.getServerPort());
+		}
+		logger.debug("responseSdpAck SipURI: {}:{}", sipURI.getHost(), sipURI.getPort());
 
 		Address concatAddress = sipFactory.createAddressFactory().createAddress(
 				sipFactory.createAddressFactory().createSipURI(sipURI.getUser(),  sipURI.getHost()+":"+sipURI.getPort()
@@ -177,13 +193,18 @@
 	 * @throws InvalidArgumentException
 	 * @throws ParseException
 	 */
-	public Response responseXmlAck(RequestEvent evt, String xml) throws SipException, InvalidArgumentException, ParseException {
+	public Response responseXmlAck(RequestEvent evt, String xml, ParentPlatform platform) throws SipException, InvalidArgumentException, ParseException {
 		Response response = getMessageFactory().createResponse(Response.OK, evt.getRequest());
 		SipFactory sipFactory = SipFactory.getInstance();
-		ContentTypeHeader contentTypeHeader = sipFactory.createHeaderFactory().createContentTypeHeader("APPLICATION", "MANSCDP+xml");
+		ContentTypeHeader contentTypeHeader = sipFactory.createHeaderFactory().createContentTypeHeader("Application", "MANSCDP+xml");
 		response.setContent(xml, contentTypeHeader);
 
+		// 鍏煎鍥芥爣涓殑浣跨敤缂栫爜@鍩熷悕浣滀负RequestURI鐨勬儏鍐�
 		SipURI sipURI = (SipURI)evt.getRequest().getRequestURI();
+		if (sipURI.getPort() == -1) {
+			sipURI = sipFactory.createAddressFactory().createSipURI(platform.getServerGBId(),  platform.getServerIP()+":"+platform.getServerPort());
+		}
+		logger.debug("responseXmlAck SipURI: {}:{}", sipURI.getHost(), sipURI.getPort());
 
 		Address concatAddress = sipFactory.createAddressFactory().createAddress(
 				sipFactory.createAddressFactory().createSipURI(sipURI.getUser(),  sipURI.getHost()+":"+sipURI.getPort()
@@ -198,11 +219,38 @@
 		return getRootElement(evt, "gb2312");
 	}
 	public Element getRootElement(RequestEvent evt, String charset) throws DocumentException {
-		if (charset == null) charset = "gb2312";
+		if (charset == null) {
+			charset = "gb2312";
+		}
 		Request request = evt.getRequest();
 		SAXReader reader = new SAXReader();
 		reader.setEncoding(charset);
-		Document xml = reader.read(new ByteArrayInputStream(request.getRawContent()));
+		// 瀵规捣搴峰嚭鐜扮殑鏈浆涔夊瓧绗﹀仛澶勭悊銆�
+		String[] destStrArray = new String[]{"&lt;","&gt;","&amp;","&apos;","&quot;"};
+		char despChar = '&'; // 鎴栬鍙墿灞曞吋瀹瑰叾浠栧瓧绗�
+		byte destBye = (byte) despChar;
+		List<Byte> result = new ArrayList<>();
+		byte[] rawContent = request.getRawContent();
+		for (int i = 0; i < rawContent.length; i++) {
+			if (rawContent[i] == destBye) {
+				boolean resul = false;
+				for (String destStr : destStrArray) {
+					if (i + destStr.length() <= rawContent.length) {
+						byte[] bytes = Arrays.copyOfRange(rawContent, i, i + destStr.length());
+						resul = resul || (Arrays.equals(bytes,destStr.getBytes()));
+					}
+				}
+				if (resul) {
+					result.add(rawContent[i]);
+				}
+			}else {
+				result.add(rawContent[i]);
+			}
+		}
+		Byte[] bytes = new Byte[0];
+		byte[] bytesResult = ArrayUtils.toPrimitive(result.toArray(bytes));
+
+		Document xml = reader.read(new ByteArrayInputStream(bytesResult));
 		return xml.getRootElement();
 	}
 

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