facebook user authentication in a web application
Tài liệu Maintaining State in a Web Application pptx
... cart in the database Using a DataGrid Control to Access a Database A DataGrid allows you to access rows in a database table In the following sections, you'll learn how to create an ASP.NET Web ... I'll also discuss storing information about a Web application in the database Storing Information Using a Session Object A Session object allows you to store separate information for each user ... in Chapter 1, "Introduction to Database Programming with ADO.NET." Look up "Cache class" in the index of the online documentation Storing Information using the Database If you have a large amount...
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Localizing Client-Side Data in a Web Forms Application
... cultureNativeNameLabel.Text = CultureInfo.CurrentCulture.NativeName; } // Sample data that might come from a database // displayed according to culture set by user dateLabel.Text = DateTime.Now.ToString("D"); ... These classes are useful in writing globalized applications Within this namespace, the CultureInfo class represents information about a specific culture and is used in culture-specific operations ... culture-specific operations Fortunately, NET provides a collection of classes which makes this relatively easy The System.Globalization namespace contains classes that specify culture-related information These...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P1 doc
... ➥de/tarent/forum/OutputDebugInfoTag.java javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” -d /classes ➥de/tarent/forum/NoCacheHeaderTag.java javac -classpath “.;c:\xalan-j_1_2_2\xalan.jar;c:\xalan➥j_1_2_2\xerces.jar;c:\jakarta-tomcat\lib\servlet.jar;” ... “.;c:\jakarta-tomcat\lib\servlet.jar;c:\xalan➥j_2_0_1\bin\xalan.jar;c:\xalan-j_2_0_1\bin\xerces.jar;” ➥de/tarent/forum/Xalan2Transformer.java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;c:\xalan➥j_2_0_1\bin\xalanj1compat.jar;c:\xalan-j_2_0_1\bin\xalan.jar;c:\xalan➥j_2_0_1\bin\xerces.jar;” ... “.;c:\xalan-j_1_2_2\xalan.jar;c:\xalan➥j_1_2_2\xerces.jar;c:\jakarta-tomcat\lib\servlet.jar;” ➥de/tarent/forum/Xalan1Transformer.java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;c:\xalan➥j_2_0_1\bin\xalan.jar;c:\xalan-j_2_0_1\bin\xerces.jar;”...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P2 ppt
... following lines: Including all jars in c:\jakarta-tomcat\lib in your CLASSPATH Using CLASSPATH: c:\jakarta-tomcat\classes;c:\jakartatomcat\lib\ant.jar;c:\jakarta-tomcat\lib\jaxp.jar;c:\jakarta➥tomcat\lib\servlet.jar;c:\jakarta-tomcat\lib\parser.jar;c:\jakarta-tomcat\lib\we ... java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:297) at java.lang.ClassLoader.loadClass(ClassLoader.java:253) at ... java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:120) at org.xml.sax.helpers.ParserFactory.makeParser(ParserFactory.java:124...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P3 ppt
... OutputDebugInfoTag.java NoCacheHeaderTag.java Xalan1Transformer.java Xalan2Transformer.java TransformTag.java NodeKey.java BonNode.java ForestHashtable.java BonForumStore.java BonForumEngine.java These ... in connecting legacy applications to modern Web- based applications Within a Web application, passing even one parameter that contains XML data can be a simple yet powerful way to pass a lot of ... a data-driven application process In that sense, our goal has been to make the data active By expressing the application requirements as XML data and then developing an application implementation...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P4 docx
... action=”/bonForum/servlet/BonForumEngine”> Apache Xalan Version? Xalan-Java
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P5 pptx
... output, actually) Here is how we make that Web app global information available: Logging all To access ... Topic Performing thread synchronization Synchronizing the XML database Finding the chat and actor status in Chat Rejoining existing chats Starting a chat Adding a host actor Adding a chat element ... to a chat Handling “guest executes chat” Getting chat item Synchronizing the XML database Finding chat and actor status in chat Rejoining a chat Joining a chat I I I I I I I Adding a guest actor...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P6 ppt
... transformation of a visitor into a chat guest Joining a Chat Many parallels exist between the code that implements starting a chat and the code that implements joining a chat After reading about ... take a look at how a host can rate a chat guest After that, we discuss a variety of ways to call bean methods from JSP The changeChatActorRating( ) Method A command available to chat hosts (and ... classes, one for Xalan-Java and one for XalanJava Simplifying greatly, here are the statements called by the TransformTag class to get its XML database in a string: private static BonForumStore...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P7 pptx
... class at translation or compilation time to get information about variables that are used in the Web application It will assume as it translates the tag that these variables are available as page ... there are others that give the JSP container information at JSP translation time about tags and the variables they use.These classes are TagAttributeInfo, TagData, TagExtraInfo, TagInfo, TagLibraryInfo, ... different ways to manage that A bean can even be made into a tag handler itself, simply by implementing the Tag interface.We make our bean available to the tags by setting a reference to it in an attribute...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P8 pdf
... XML data.That is what it’s for, after all! Certainly, it would have been easier to keep all the data in an SQL database and use JDBC connections and SQL queries (tag library are already available) ... the Tag Handler object looks for an attribute in application scope, also named xalanVersion, and uses its value to select the processor At present, only Xalan Java and Xalan Java are valid values ... required for either Xalan-Java or Xalan-Java 2.The classes are called Xalan1Transformer and Xalan2Transformer Each has one method called transform, which returns a string containing the results of...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P9 pptx
... NodeNameHashtable class, you can see that this cache is an instance of a class (PathNameHashtable) that has been defined to extend java.util.Hashtable, but it adds nothing else to that class Again, ... immediately put into the pathNameHashtable (as an element this time) with a key that is a string containing the pathName that was just given as an example pathNames Mapping User Choices to PathName ... has been done only to make the pathNameHashtable variable available from JSP tags BonForumEngine Uses pathNameHashtable The ForestHashtable class contains only a definition of the pathNameHashtable...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P10 ppt
... Projects\bonForum\src\bonMakeIt.bat 481 parameter rem java -classpath “c:\jakarta-tomcat\lib\xalanj1compat.jar;c:\jakartatomcat\lib\xerces.jar;c:\jakarta-tomcat\lib\xalan.jar” org.apache.xalan.xslt.Process -IN bonForumIdentityTransform.xml ... de/tarent/forum/OutputDebugInfoTag.java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” de/tarent/forum/NoCacheHeaderTag.java -d /classes javac -classpath “.;c:\xalan-j_1_2_2\xalan.jar;c:\xalanj_1_2_2\xerces.jar;c:\jakarta-tomcat\lib\servlet.jar;” ... “.;c:\jakarta-tomcat\lib\servlet.jar;c:\xalanj_2_0_1\bin\xalan.jar;c:\xalan-j_2_0_1\bin\xerces.jar;” de/tarent/forum/Xalan2Transformer.java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;c:\xalanj_2_0_1\bin\xalanj1compat.jar;c:\xalan-j_2_0_1\bin\xalan.jar;c:\xalanj_2_0_1\bin\xerces.jar;”...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P11 ppt
... exists // always warn user and ask again for new subject and/or new topic // if actor was in it, always join with previous status, else warn and ask again // if actor was in it, always join as guest, ... Web Application * (See chapter “Java Servlet and Java Bean - BonForumEngine and BonForumStore” * in the book: XML, XSLT, Java and JSP - A Case Study in Developing a Web Application) * * @param ... cannot parse maxInactiveInterval app attr as int: “ + sessMax); minutes = -1; } session.setMaxInactiveInterval(minutes); // default to forever //session.setMaxInactiveInterval(30); // chats last...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P12 pdf
... * @param parentNodeKeyKey String * @param nameAndAttributes String * @param content String * @param forestHashtableName String * @param nodeKeyHashtableName String * @param sessionId String * ... @param pathName String * @param pathNameHashtable PathNameHashtable * @return NodeKey for the pathName */ protected NodeKey subjectNodeKeyFromPathName(String pathName, PathNameHashtable pathNameHashtable) ... hosts in chat actorKeys = getHostKeysInChat(chatNodeKeyKey); } // chatActor strings contain actorNickname, age:actorAge and rating:actorRating // Here is an example: // John Doe age:12 rating:5...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P13 pptx
... Creates a ForestHashtable of a given capacity * * @param capacity initialCapacity of parent java.util.Hashtable */ public ForestHashtable(int capacity) { super(capacity); nodeNameHashtable = new ... NodeNameHashtable getNodeNameHashtable() { return nodeNameHashtable; } /** Gets pathNameHashtable * @return PathNameHashtable pathNameHashtable */ protected PathNameHashtable getPathNameHashtable() ... rootNodeAttributes String containing all attributes concatenated (name=value name=value ) * @param rootNodeContent String containing text content of node * @param nodeKeyHashtableName String naming...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P14 pptx
... (String)session.getAttribute(“actorNicknameNotAvailable”); if(!actorNicknameNotAvailable.equals(“”)) { actorNicknameNotAvailable = “Please try another nickname “ + actorNicknameNotAvailable + “ is not available! “ ... bonForum Web Application (String)session.getAttribute( “chatMessagesNavigator”); if(!(chatMessagesNavigator.equals(“first”)) && !(chatMessagesNavigator.equals(“previous”)) && !(chatMessagesNavigator.equals(“next”))) ... !(chatMessagesNavigator.equals(“next”))) { chatMessagesNavigator = “last”; } if(chatMessagesNavigator.equals(“first”)) { chatNavigatorFirst = “FIRST”; } else if(chatMessagesNavigator.equals(“previous”))...
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Tài liệu XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application- P16 docx
... development (Java SDK), 19 J Jakarta Project Web site, 36 Jakarta Tomcat, 13-14, 36 adding to Web applications, 49-53 Apache licenses, 37 comparing to Apache Server, 36-37 developing Web applications, ... Tomcat, 44-45 watchdogs, 154 Web applications See applications ,Web servers Jakarta Tomcat, 13-14 selecting, Tomcat Server availability, 78-79 testing, 79 XML applications Actors, Actions, and Things, ... JSP-based Web applications, 157-160 debugging, 85 initalization parameters, 192 Jakarta Tomcat, 13-14 Java, 53-54 JSPs, forwarding, 129-130 methods, calling, 126-127 Tomcat adding to Web applications,...
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XML, XSLT, Java, and JSP: A Case Study in Developing a Web Application docx
... ➥de/tarent/forum/Xalan1Transformer.java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;c:\xalan➥j_2_0_1\bin\xalan.jar;c:\xalan-j_2_0_1\bin\xerces.jar;” ➥de/tarent/forum/Xalan2Transformer.java -d /classes javac ... -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;c:\xalan➥j_2_0_1\bin\xalanj1compat.jar;c:\xalan-j_2_0_1\bin\xalan.jar;c:\xalan➥j_2_0_1\bin\xerces.jar;” de/tarent/forum/TransformTag.java -d /classes ... ➥de/tarent/forum/OutputChatMessagesTag.java -d /classes javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” -d /classes ➥de/tarent/forum/OutputDebugInfoTag.java javac -classpath “.;c:\jakarta-tomcat\lib\servlet.jar;” -d...
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Displaying an Image from a Database in a Web Forms Control
... containing the image from the database Create a SQL statement to retrieve the required image from the database and retrieve the image using a DataReader A DataTable or DataSet filled using a DataAdapter ... image from the database and serves it to the Image control on the web page that the client sees The following steps outline the required tasks: Create a web page that outputs a binary stream ... the image as a binary stream The BinaryWrite( ) method of the HttpResponse object writes a stream of binary characters to the HTTP output stream rather than a textual stream Response.BinaryWrite((byte[])dr["Photo"]);...
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