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我的目標是在頁面加載訂閱聊天兩個用戶(教師和學生),他們可以將消息發送到每個人,所以這裏就是我所做的:PrimePush聊天不工作
1 BackingBean:
package com.myapp.beans;
import org.primefaces.context.RequestContext;
import org.primefaces.push.PushContext;
import org.primefaces.push.PushContextFactory;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import com.ocpsoft.pretty.faces.annotation.URLMapping;
import com.xeno.xenoTemplate.utils.constants.Pages;
@Component("chatBean")
@Scope("view")
@URLMapping(id = Pages.CHAT, pattern = "/chat", viewId = "/faces/pages/users/chat.xhtml")
public class ChatView {
private final PushContext pushContext = PushContextFactory.getDefault()
.getPushContext();
private String privateMessage;
private String privateUser;
private final static String CHANNEL = "/chat/";
private String student = "student";
private String teacher = "teacher";
private boolean pageLoaded;
private boolean studentLoggedIn;
private boolean teacherLoggedIn;
public void preRender() {
System.out.println("########### preRender CHAT BEAN #########");
if (!pageLoaded) { // invoked first time page loaded
System.out.println("########### Invoking PreRender Code #########");
if (!studentLoggedIn) {
System.out.println("########## STUDENT LOG IN ##########");
RequestContext.getCurrentInstance().execute(
"subscriber.connect('/" + student + "')");
studentLoggedIn = true;
}
if (!teacherLoggedIn) {
System.out.println("########## TEACHER LOG IN ##########");
RequestContext.getCurrentInstance().execute(
"subscriber.connect('/" + teacher + "')");
teacherLoggedIn = true;
}
pageLoaded = true;
}
}
public void sendPrivate() {
System.out.println("######### SEND PRIVATE ##########");
pushContext.push(CHANNEL + privateUser, "[PM] " + "PRIVATE" + ": "
+ privateMessage);
privateMessage = null;
}
public void setTeacher(String teacher) {
this.teacher = teacher;
}
public String getTeacher() {
return teacher;
}
public void setStudent(String student) {
this.student = student;
}
public String getStudent() {
return student;
}
public void setStudentLoggedIn(boolean studentLoggedIn) {
this.studentLoggedIn = studentLoggedIn;
}
public boolean isStudentLoggedIn() {
return studentLoggedIn;
}
public void setTeacherLoggedIn(boolean teacherLoggedIn) {
this.teacherLoggedIn = teacherLoggedIn;
}
public boolean isTeacherLoggedIn() {
return teacherLoggedIn;
}
public String getPrivateUser() {
return privateUser;
}
public void setPrivateUser(String privateUser) {
this.privateUser = privateUser;
}
public String getPrivateMessage() {
return privateMessage;
}
public void setPrivateMessage(String privateMessage) {
this.privateMessage = privateMessage;
}
}
,並在JSF頁面:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:ice="http://www.icesoft.com/icefaces/component"
xmlns:p="http://primefaces.org/ui"
xmlns:pretty="http://ocpsoft.com/prettyfaces"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:sec="http://www.springframework.org/security/tags"
xmlns:c="http://java.sun.com/jsp/jstl/core">
<h:head>
<title>Chat</title>
</h:head>
<h:body>
<ui:composition template="/pages/template/commonLayout.xhtml">
<ui:define name="content">
<f:event type="preRenderView" listener="#{chatBean.preRender}" />
<h:form id="form">
<p:fieldset id="container" legend="PrimeChat" toggleable="true">
<h:panelGroup>
<h:panelGrid columns="2" columnClasses="publicColumn,usersColumn"
style="width:400px;">
<p:outputPanel style="height: 100px;" id="public" layout="block"
styleClass="ui-corner-all ui-widget-content chatlogs" />
<h:panelGroup id="users" styleClass="usersList">
<p:commandButton id="private_send" title="Chat" icon="ui-icon-comment"
oncomplete="pChat.show()" update=":form:privateChatContainer">
<f:setPropertyActionListener value="#{chatBean.student}"
target="#{chatBean.privateUser}" />
</p:commandButton>
#{chatBean.student}
</h:panelGroup>
</h:panelGrid>
</h:panelGroup>
</p:fieldset>
<!-- Private Chat Dialog -->
<p:dialog widgetVar="pChat" header="Private Chat" modal="true"
showEffect="fade" hideEffect="fade">
<h:panelGrid id="privateChatContainer" columns="2"
columnClasses="vtop,vtop">
<p:outputLabel for="pChatInput"
value="To: #{chatBean.privateUser}" />
<p:inputTextarea id="pChatInput"
value="#{chatBean.privateMessage}" rows="5" cols="30" />
<p:spacer />
<p:commandButton value="Send"
actionListener="#{chatBean.sendPrivate}"
oncomplete="pChat.hide()" />
</h:panelGrid>
</p:dialog>
</h:form>
<p:socket onMessage="handleMessage" channel="/chat"
autoConnect="false" widgetVar="subscriber" />
<script type="text/javascript">
function handleMessage(data) {
alert('handleMessage');
var chatContent = $(PrimeFaces
.escapeClientId('form:public'));
chatContent.append(data + '<br />');
chatContent.scrollTop(chatContent.height());
}
</script>
</ui:define>
</ui:composition>
</h:body>
</html>
的web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<display-name>MyAPP</display-name>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<listener>
<listener-class>
org.springframework.web.context.request.RequestContextListener
</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
classpath:META-INF/spring/applicationContext.xml
classpath:META-INF/spring/applicationSecurity.xml
</param-value>
</context-param>
<context-param>
<param-name>javax.faces.FACELETS_LIBRARIES</param-name>
<param-value>
/WEB-INF/springsecurity.taglib.xml;/WEB-INF/utils.taglib.xml
</param-value>
</context-param>
<context-param>
<param-name>javax.faces.FACELETS_SKIP_COMMENTS</param-name>
<param-value>false</param-value>
</context-param>
<!-- -->
<context-param>
<param-name>javax.faces.PROJECT_STAGE</param-name>
<param-value>Development</param-value>
</context-param>
<welcome-file-list>
<welcome-file>/</welcome-file>
</welcome-file-list>
<context-param>
<description>State saving method: 'client' or 'server' (=default). See JSF Specification 2.5.2</description>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>server</param-value>
</context-param>
<context-param>
<param-name>javax.servlet.jsp.jstl.fmt.localizationContext</param-name>
<param-value>resources.application</param-value>
</context-param>
<filter>
<filter-name>hibernateFilter</filter-name>
<filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
<init-param>
<param-name>sessionFactoryBeanName</param-name>
<param-value>sessionFactory</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>hibernateFilter</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>FORWARD</dispatcher>
<dispatcher>REQUEST</dispatcher>
<dispatcher>ERROR</dispatcher>
</filter-mapping>
<!-- Spring Security -->
<filter>
<filter-name>springSecurityFilterChain</filter-name>
<filter-class>
org.springframework.web.filter.DelegatingFilterProxy
</filter-class>
</filter>
<filter-mapping>
<filter-name>springSecurityFilterChain</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>FORWARD</dispatcher>
<dispatcher>REQUEST</dispatcher>
<dispatcher>ERROR</dispatcher>
</filter-mapping>
<!--
<filter>
<filter-name>Pretty Filter</filter-name>
<filter-class>com.ocpsoft.pretty.PrettyFilter</filter-class>
<init-param>
<param-name>logLevel</param-name>
<param-value>ERROR</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>Pretty Filter</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>FORWARD</dispatcher>
<dispatcher>REQUEST</dispatcher>
<dispatcher>ERROR</dispatcher>
</filter-mapping>
-->
<session-config>
<session-timeout>30</session-timeout>
</session-config>
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>Faces Servlet</servlet-name>
<url-pattern>/faces/*</url-pattern>
</servlet-mapping>
<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/error</location>
</error-page>
<error-page>
<error-code>400</error-code>
<location>/error</location>
</error-page>
<error-page>
<error-code>404</error-code>
<location>/pageNotFound</location>
</error-page>
<!-- PrimePush Servlet -->
<servlet>
<servlet-name>Push Servlet</servlet-name>
<servlet-class>org.primefaces.push.PushServlet</servlet-class>
<load-on-startup>1</load-on-startup>
<init-param>
<param-name>org.atmosphere.cpr.broadcasterCacheClass</param-name>
<param-value>org.atmosphere.cache.HeaderBroadcasterCache</param-value>
</init-param>
<init-param>
<param-name>org.atmosphere.cpr.broadcasterClass</param-name>
<param-value>org.atmosphere.cpr.DefaultBroadcaster</param-value>
</init-param>
<init-param>
<param-name>org.atmosphere.cpr.broadcastFilterClasses</param-name>
<param-value>org.atmosphere.client.TrackMessageSizeFilter</param-value>
</init-param>
<init-param>
<param-name>org.atmosphere.cpr.sessionSupport</param-name>
<param-value>true</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>Push Servlet</servlet-name>
<url-pattern>/primepush/*</url-pattern>
</servlet-mapping>
</web-app>
我使用以下罐子:
- JSF 2.1.10
- PrimeFaces 4.0-SNAPSHOT
- 的Tomcat 7.0.32
- 氣氛-runtime 1.0.1
HEADERS
Request URL:http://localhost:8080/MyAPP/chat
Request Method:POST
Status Code:200 OK
Request Headersview source
Accept:application/xml, text/xml, */*; q=0.01
Accept-Charset:ISO-8859-1,utf-8;q=0.7,*;q=0.3
Accept-Encoding:gzip,deflate,sdch
Accept-Language:en-US,en;q=0.8
Connection:keep-alive
Content-Length:282
Content-Type:application/x-www-form-urlencoded; charset=UTF-8
Cookie:JSESSIONID=2BB4298A4E291CCCBB80EE3A4A5624BC
Faces-Request:partial/ajax
Host:localhost:8080
Origin:http://localhost:8080
Referer:http://localhost:8080/PrimeTemplate/chat
User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.11 (KHTML, like Gecko) Chrome/20.0.1132.47 Safari/536.11
X-Requested-With:XMLHttpRequest
Form Dataview URL encoded
javax.faces.partial.ajax:true
javax.faces.source:form:j_idt31
javax.faces.partial.execute:@all
form:j_idt31:form:j_idt31
form:form
form:j_idt24:
form:container_collapsed:false
form:pChatInput:aaaaaaaaaaaa
javax.faces.ViewState:5079906166114901626:-433970771510989466
Response Headersview source
Cache-Control:no-cache
Content-Length:190
Content-Type:text/xml;charset=UTF-8
Date:Thu, 18 Oct 2012 10:40:04 GMT
Server:Apache-Coyote/1.1
X-Powered-By:JSF/2.0
迴應:
<?xml version='1.0' encoding='UTF-8'?>
<partial-response><changes><update id="javax.faces.ViewState"><![CDATA[5079906166114901626:-433970771510989466]]></update></changes></partial-response>
問題:
我可以打開聊天窗口,爲學生和輸入聊天信息,然後按ENTER鍵,代碼獲取在豆的方法sendPrivate
,但JS handleMessage
函數不稱爲一個因此,私人消息不會顯示在JSF頁面中,我在瀏覽器控制檯中不會出現錯誤。
請告知如何解決這個問題。
downvote的原因是什麼? – perissf
爲什麼你使用這樣一個過時的PF版本?然後還有一個快照? – Thor
@Thor,它是primefaces的最新版本? –