By Steven Douglas Olson

This useful advisor indicates you ways to make your Java internet purposes extra responsive and dynamic via incorporating new Ajaxian beneficial properties, together with recommendation lists, drag-and-drop, and extra. Java builders can make a choice from many alternative methods of incorporating Ajax, from development JavaScript into your functions "by hand" to utilizing the hot Google internet Toolkit (GWT). Ajax on Java begins with an advent to Ajax, exhibiting you ways to put in writing a few simple functions that use client-side JavaScript to request info from a Java servlet and show it with no doing a whole web page reload. It additionally offers numerous thoughts for speaking among the customer and the server, together with sending uncooked info, and utilizing XML or JSON (JavaScript item Notation) for sending extra advanced collections of knowledge. The booklet then branches out into assorted techniques for incorporating Ajax, which come with: The Prototype and script.aculo.us Javascript libraries, the Dojo and Rico libraries, and DWRIntegrating Ajax into Java ServerPages (JSP) purposes utilizing Ajax with Struts Integrating Ajax into Java ServerFaces (JSF) functions utilizing Google's GWT, which bargains a natural Java method of constructing internet purposes: your client-side parts are written in Java, and compiled into HTML and JavaScript Ajax offers internet builders the facility to construct purposes which are extra interactive, extra dynamic, extra interesting and relaxing on your clients. if you are a Java developer and have not attempted Ajax, yet want to start, this publication is vital. Your clients can be thankful.

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Example 4-4 shows how it works. Example 4-4. toString( ); } After calling startDocument( ) to begin the document, we must create the elements and add data to them. startElement(null,null,"binary",null) The third element is the only element needed to set up the XML tag, . The actual startElement( ) method declaration looks like this: public void startElement(String uri, String localName, String qName, Attributes atts) The uri parameter is used for the namespace, but since this example does not use a namespace, a null is passed in.

AddElement( ) puts a child element on the root element, and addText( ) puts the data in the elements. > 97 0x61 0141 &0x61 1100001B 32 33 This step can be skipped, because it only formats the document for readability by adding linefeeds and spaces. Since humans shouldn't need to read this document (unless you are debugging), you won't need the formatting. 3. SAX SAX, the Simple API for XML, provides another way to create an XML document for an Ajax application.

You will need this information when connecting to the database through JDBC. com/catalog/9780596101879. To load the data into your database, use the mysqlimport tool included with MySQL. You will need to be in MySQL's bin directory or have the bin directory of MySQL in your path. sql and stores it in the ZIPCODES table. The -d option deletes any rows that are already in the table. This won't have any effect the first time you import the file, but if for some reason the first attempt fails and you need to run the script again, -d will prevent duplicate rows by deleting the rows that were imported on the first run.

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