... in ADO.NET, which represents a set of commands and a connection to a database. SqlDataAdapter is a class derived from DataAdaptor. SqlDataAdapter is used to populate a DataSet. ! To add and ... creating a typed DataSet is as follows: 1. Generate a SqlDataAdapter. 2. Create a typed DataSet using the data adaptor that you created in the previous step. The SqlDataAdapter is a class ... architecture. A DataSet is an in-memory cache of data obtained from many possible data sources such as databases or Extensible Markup Language (XML) documents. A DataSet reads and writes data and schema...
... c:\jakarta-tomcat\classes;c:\jakarta-tomcat\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➥bserver.jar;c:\jakarta-tomcat\lib\jasper.jar;c:\jakarta-➥tomcat\lib\xalanservlet.jar;c:\jakarta-tomcat\lib\xerces.jar;c:\jakarta-➥tomcat\lib\xalanj1compat.jar;c:\jakarta-tomcat\lib\aaxalan.jar;c:\jdk1.3\lib\too➥ls.jar2001-05-23 ... c:\jakarta-tomcat\classes;c:\jakarta-tomcat\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➥bserver.jar;c:\jakarta-tomcat\lib\jasper.jar;c:\jakarta-➥tomcat\lib\xalanservlet.jar;c:\jakarta-tomcat\lib\xerces.jar;c:\jakarta-➥tomcat\lib\xalanj1compat.jar;c:\jakarta-tomcat\lib\aaxalan.jar;c:\jdk1.3\lib\too➥ls.jar2001-05-23 ... this watermark. 54Chapter 3 Java Servlets and JavaServer Pages: Jakarta TomcatTake a look at this API page, and you will see the top-level logical design of Java servlets and JSPs.3.7.2 Learning...
... discussed and heralded in particular as a great benefit in connectinglegacy applications to modern Web- based applications.Within aWeb application, passing even one parameter that contains XML data ... database management systembecause handling chat data is an obvious job.We decided against that for several rea-sons. One is that we did not want to assume that all our readers are familiar with ... environments.5.4 XML Data Flows in Web ApplicationsWe believe that passing XML data within aWeb application will turn out to be asimportant as passing XML data between systems and applications.The latter...
... bonForumXML (a ForestHashtable) as a string.Now we decided to make it the input XML stream for the Xalan XSLT processor aspart of our TransformTagclass.Displaying the available chats would mean ... for a bonForum user to become a host by starting a chat andthen re-enter the same chat as a guest.The problem is that that user then loses thecapability to again be a host of that chat. Having ... remove this watermark. 1416.3 Displaying Chat Messagesdatabase grows. Our plan is to iterate only the message pointers that exist within a particular chat element in the XML data.We had to settle...
... logic, bymaking one more variable available to each JSP-produced page of a bonForuminstance.The incoming request parameters are validated and made available to the Web application in whatever ... the applet parameters right onthe _robot page? Using the same target parameter as we did in the last section as anexample, that would mean doing this:<jsp:param name=”target” value=”display”/>The ... destination in the Web app.The bonCommandoriginates on a JSP-generated form and is available to the service( )method as a requestparameter.08 1089-9 CH08 6/26/01 7:33 AM Page 197Please purchase...
... there are two such XSLT classes, one for Xalan -Java 1 and one for Xalan- Java 2.Simplifying greatly, here are the statements called by the TransformTagclass to getits XML database in a string:private ... database (now a ForestHashtable)nInitializes the XML database for use as a chat Web appnLoads XML files into a database using its methodsnDumps the content of the database as XML in a stringnProvides ... this watermark. 2798.2 The BonForumStore Classobject.That means that all the pathnames are available again but are sorted alphabeti-cally.The code on a JSP document likes it that way.The...
... will assume as it translates the tag thatthese variables are available as page attributes. Later, when we look at the translated Java code for a Tag Handler instance, you can see where the value ... bean from Tag Handler classes, and there are different ways to manage that. A bean can even be made into a tag handler itself, simply by implementing the Taginterface.We make our bean available ... capabilities are made available to the code in an applet.You can developone of those Web applets that make Java famous!We have used the paint()method to display a message to the user.That message...
... system_executes_command.jsp. Note that if you have Xalan -Java- 2,you can also set xalanVersionto Xalan Java 1, as long as the compatibility JAR fileis accessible, for example, as TOMCAT_HOME\lib\xalanj1compat.jar.Let’s ... twoclasses to encapsulate the steps required for either Xalan -Java 1or Xalan -Java 2.Theclasses are called Xalan1Transformerand Xalan2Transformer. Each has one methodcalled transform, which ... OutputPathNamesTagclass(stripped of its Javadoc comments, to save space):package de.tarent.forum;import java. util.*;import javax.servlet.jsp.*;import javax.servlet.jsp.tagext.*;/** Outputs pathNames...
... created by the followingstatement from the file ForestHashtable .java: public NodeNameHashtable nodeNameHashtable = new NodeNameHashtable();Notice that a class called NodeNameHashtablehas ... this watermark. 416Chapter 11 XML Data Storage Class: ForestHashtableattribute to a chat element.We will also try using it to allow a chat host to change therating of a guest in a chat.WarningThe ... Xalan -Java 1or Xalan -Java 2, passes the style-sheet parameter as an argument, like this:transformer.transform(inXML, inXSL, outDoc, param1)10.9.5 How the Style Sheet worksThe first template...
... de.tarent.forum;/*<Imports>*/import java. text.*;import java. io.*;import java. net.*;import java. util.*;import javax.servlet.jsp.*;import javax.servlet.jsp.tagext.*;// Imported TraX classesimport javax.xml.transform.TransformerFactory;import ... javax.xml.transform.TransformerFactory;import javax.xml.transform.Transformer;import javax.xml.transform.stream.StreamSource;import javax.xml.transform.stream.StreamResult;import javax.xml.transform.TransformerException;import ... select an XSLTprocessor.* Currently, three values: “Xalan Java 1”, “Xalan Java 2”, or“xalanVersion”.* If type is “xalanVersion”, the tag object looks for an application* attribute of the same...