how to implement single sign on in java web application

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Ask two PHP applications and a Java application how to implement single sign-on

How do two PHP applications and one Java application implement single Sign-on?

The basic implementation of Java Web User single sign-on scheme __web

that the successor account can log on normally. public class Sessionlistener implements httpsessionlistener{@Override public void sessioncreated (H Ttpsessionevent event) {} @Override public void sessiondestroyed (Httpsessionevent event) {//monitoring session Expiration and destruction HttpSession session=event.getsession (); ServletContext Application=session.getservletcontext (); try{string Username= (String) session.getattribute (webconstant.user_id); Long userlogicid= (Lon

Single Sign-on in Java Web site apps

. session;} Boolean Login (string userName, string password) { Access database, check user name password return is legal;} Boolean Sameuser (UserContext UC) { return uc.userName.equals (this. userName);}6. Modify Loginmanager.javaCollectionusers; PublicUserContext Login (UserContext user) { for(UserContext uc:users) {if(Uc.sameuser (user)) policy one:returnUser Policy two: {users.add (user); //these two rows in the loop manipulate the collection class to throw an exceptionUsers.remove

How to use a Web page to develop your own app, a button in a Web page that binds to your own Java code to implement a call that JavaScript code calls Java code, and Java code to invoke JavaScript code

(); Intent.setaction (Intent.action_call); Intent.setdata (Uri.parse ("Tel:" + "123123")); StartActivity (Intent); }}, "Demo"); String Url=new string (""); Loading Web pages into Web controls weB.loadurl (URL); } }3, the page inside the button to use the hyperlink, the method is as follows:Where the demo is the class name

Java network programming: Using Java to implement a Web server

establishes a connection to the Web server, and opens a virtual file called a socket (socket), which marks the successful connection establishment; Request, the Web browser submits the request to the Web server via the socket. HTTP requests are typically a GET or post command (post is used for a form parameter pass); Answer, the

The MVC pattern Design of Java Web Foundation (i)--using HttpServlet to implement MVC layered design, the DAO layer uses Dbutils to implement the link with the database.

Com.guodiantong.mvc.domain.Customer; Import Com.guodiantong.mvc.impl.CustomerDaoJdbcImpl; public class Customerservlet extends HttpServlet {Customerdao customerdao=new customerdaojdbcimpl (); @Override protected void doget (HttpServletRequest req, HttpServletResponse resp) throws Servletexception, IOException {DoPost (req, resp); } @Override protected void DoPost (HttpServletRequest req, HttpServletResponse resp) throws Servletexception, Ioexcep tion {String servletpath=req.getservletp

Using Java to implement a web App_java similar to comet style

. Implementing Comet-style WEB applications, while ensuring scalability on browsers and servers, is only possible in recent years. Later in this article, we'll look at how some popular Java WEB servers support Scalable Comet architectures, but first let's see why we're creating Comet applications and the common design patterns that we use to

IBM Java Toolbox for I implement WEB and smart mobile device invoke RPG

IBM Java Toolbox for I implement WEB and smart mobile device invoke RPG The mainstream language of IBM I platform is RPG, its operation efficiency is very high. And Java as the mainstream of today's programming language, applications in the global 3 billion devices. How to continue reusing RPG applications with IBM I

Use Java to implement web servers

Use Java to implement web serversI. Principle of the HTTP protocol The principle of HTTP protocol includes four steps: 1. connection: the Web browser establishes a connection with the Web server. 2. Request: the Web browser submit

How to implement effective task scheduling in Java Web applications

adding task scheduling to the report application, we can add a useful feature to the product and improve the user experience. Fortunately, there is a powerful open source solution that allows us to implement task scheduling in a standard way in a Web application (or any Java application). The following example shows how to use quartz to create a task scheduling

Use Java to implement comet Web Applications (1)

not simple. Implementing comet web applications and ensuring scalability on browsers and servers is only possible in recent years. Later in this article, we will look at how some popular Java Web servers support the Scalable comet architecture, but first let's look at why we need to create a comet application, and common design patterns used to

No need for Web Application Server Java to implement WebServices

Recently, I browsed some posts about Java to implement WebServives in the community, and found that more than 90% of them have such one operation: In fact, this method is correct, but it kills many advantages of WebServices. So let's take a look at what is WebServices from the beginning. Baidu encyclopedia wrote: Web Services are online application Services relea

Java for Web Learning Notes (90): Messages and Clusters (5) Implement subscriptions and publications with WebSocket (top) __HTML5

. Spring publishes the Contextrefreshedevent event after the context is initialized, and we can listen to the event as we listen to the previous set of Loginevent. @Service public class Clustermanager implements applicationlistener Context, including the root context, the web context, and the rest context, in the order of bootstrap, the root context completes initialization first, but at this point the app does not start properly. We can examine the

Java uses WebSocket + tail commands to implement real-time Web logs

Java uses WebSocket + tail commands to implement real-time Web logs In Linux, you often need to view the Real-Time Output content of log files.tail -fOrtaifCommand. To view Real-time logs, you may need to first connect to the Linux host through SSH. The steps are troublesome. If the server is in the production environment, various permissions may be controlled.

Use the spring-loaded open-source project to implement hot deployment of java programs and web applications

Use the spring-loaded open-source project to implement hot deployment of java programs and web applicationsJDK1.5 and later provide java. lang. instrument. Instrumentation, that is, the java agent mechanism can implement redefinit

Several ways to implement Java end RESTful Web services

method, by overriding these methods, we can implement restful Web services based on the HTTP servlet 3) Jax-rs Jax-rs (JSR 311,java API for xml-restful Web Services) is based on the annotation implementation, we annotation the way to a Java class labeled as RESTful

Use spring-loaded open source projects to implement hot deployment of Java programs and Web applications

, you can set it in run Confiuration Next we look at how to use spring-loaded in Tomcat to implement a hot deployment of a war package. Will beDownloadSpringloaded-1.2.0.release.jar into the%tomcat_home%/bin/directory, and then modify the Catalina.bat in that directory? 1 Set Java_opts=-javaagent:springloaded-1.2.0.release.jar-noverify This completes the installation of the spring-loaded, detects the webapp deployed

Java's HTML Parser jsoup and jquery are used to implement a web application that automatically crawls specified elements of any website page repeatedly.

processed. Help Users process submitted content and prevent XSS attacks Output clean html Basically, jsoup can help you deal with various HTML problems, verify invalid tags, and create a clean DOM tree.Implement a capture function Here we will implement a simple crawling function. You only need to specify the URL and the specific elements you need to capture, such as ID or class. In the background, we will use jsoup to capture the results, and the

Java uses URLRewrite to implement pseudo-static web pages (servlet filters) and urlrewriteservlet

Java uses URLRewrite to implement pseudo-static web pages (servlet filters) and urlrewriteservletStep 1: import the package urlrewrite 3.2.0.jar: (click to download)Step 2: configure the filter in the web. xml file. The Code is as follows: Step 3: Create the urlrewrite. xml file under the

Using Java-EE technology to implement web-mode soft-switching configuration management

container, supporting services and technologies such as EJB, JMS, JTA, Enterprise Information System layer (EIS Tier), It contains the traditional information system such as finance, CRM and so on, which is characterized by the support of database system. Currently, the application framework is mainly focused on the Web application layer. When developing the Java EE W

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