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copied!<p>I'm using <a href="http://kxml.sourceforge.net/" rel="noreferrer">kXML2</a> to create/chage/save/read xml. Using it with BlackBerry remember:<br> - for release you have to preverify it & build proj with ant<br> <a href="http://ahmadferdous.blogspot.com/2009/03/how-to-import-kxml-jar-file-to-your.html" rel="noreferrer">Ahmad Ferdous Bin Alam - How to Import kxml jar File to Your Project</a><br> <a href="http://www.slashdev.ca/2007/05/30/blackberry-development-with-ant-eclipse/" rel="noreferrer">Slashdev - BlackBerry Development with Ant & Eclipse</a><br> <strong>UPDATE:</strong> <a href="http://supportforums.blackberry.com/rim/board/message?board.id=java_dev&message.id=22441" rel="noreferrer">Tutorial: How To Use 3rd Party Libraries in your Applications</a><br> - for debug you have to add <a href="http://sourceforge.net/project/downloading.php?group_id=9157&filename=kxml2-src-2.3.0.zip&a=104174" rel="noreferrer">kXML sources</a> and <a href="http://www.xmlpull.org/v1/download/xmlpull_1_1_3_4c_src.zip" rel="noreferrer">org.xmlpull.v1 sources</a> to your BB project </p> <h2>Create XML</h2> <pre><code> Document d = new Document(); Element root = d.createElement("", "parent"); root.setName("catalog"); Element book = d.createElement("", "child"); book.setName("book"); book.setAttribute(null, "id", "1"); Element author = d.createElement("", "child"); author.setName("author"); author.addChild(0, Node.TEXT, "Colin Wilson"); book.addChild(0, Node.ELEMENT, author); Element title = d.createElement("", "child"); title.setName("title"); title.addChild(0, Node.TEXT, "The Mind Parasites"); book.addChild(1, Node.ELEMENT, title); Element genre = d.createElement("", "child"); genre.setName("genre"); genre.addChild(0, Node.TEXT, "Horror novel, Science fiction novel"); book.addChild(2, Node.ELEMENT, genre); Element publishDate = d.createElement("", "child"); publishDate.setName("publish-date"); publishDate.addChild(0, Node.TEXT, "1967"); book.addChild(3, Node.ELEMENT, publishDate); root.addChild(0, Node.ELEMENT, book); d.addChild(root.ELEMENT, root); </code></pre> <h2>Save XML on BlackBerry filesystem</h2> <ul> <li>If use emulator don't forget to emulate SD card (Tools->Change SD Card...) </li> <li><p>be sure you have access rights for read/write operation </p> <pre><code>String fileName = "file:///SDCard/books.xml"; DataOutputStream os = null; FileConnection fc = null; try { fc = (FileConnection) Connector.open(fileName, Connector.READ_WRITE); if (!fc.exists()) fc.create(); os = fconn.openDataOutputStream(); KXmlSerializer serializer = new KXmlSerializer(); serializer.setOutput(os, "UTF-8"); d.write(serializer); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } </code></pre> <p>See also:<br> <a href="http://www.blackberry.com/developers/docs/4.7.0api/javax/microedition/io/file/FileConnection.html" rel="noreferrer">RIM API - Interface FileConnection</a><br> <a href="http://developers.sun.com/mobility/apis/articles/fileconnection/index.html" rel="noreferrer">SUN Dev Network - Getting Started with the FileConnection APIs</a><br> <a href="http://www.blackberry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/800332/800620/How_To_-_Add_plain_text_or_binary_files_to_an_application.html?nodeid=800687&vernum=0" rel="noreferrer">RIM - How To - Add plain text or binary files to an application</a><br> <a href="http://supportforums.blackberry.com/rim/board/message?board.id=java_dev&message.id=26417" rel="noreferrer">BB Support Forum - Some questions about FileConnection/JSR 75</a><br> <a href="http://developer.sonyericsson.com/community/message/126441%3Bjsessionid=5E406A0EC79BB5AE926DBD85E3D65997" rel="noreferrer">Sony Ericsson Forum - Create XML file</a> </p></li> </ul> <h2>Read XML file</h2> <pre><code> Document d= new Document(); FileConnection fc = null; DataInputStream is = null; try { fc = (FileConnection) Connector.open(fileName, Connector.READ); is = fc.openDataInputStream(); KXmlParser parser = new KXmlParser(); parser.setInput(is, "UTF-8"); d.parse(parser); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (XmlPullParserException e) { // TODO Auto-generated catch block e.printStackTrace(); } </code></pre> <p>See also: <a href="http://www.roseindia.net/j2me/kxml/j2me-xml-parser.shtml" rel="noreferrer">RoseIndia.net - J2ME Kxml Example</a></p> <h2>Change XML document</h2> <p>All you have to do is get needed element and change it: </p> <pre><code> Element catalog = d.getElement("", "catalog"); Element book = catalog.getElement("", "book"); Element title = book.getElement("", "title"); title.removeChild(0); title.addChild(Element.TEXT, "Spider World: The Tower"); Element publish = book.getElement("", "publish-date"); publish.removeChild(0); publish.addChild(Element.TEXT, "1987"); </code></pre> <h2>Output XML document to BlackBerry screen (somewhere in Screen class)</h2> <p>Simply serialize xml doc to string and put it in RichTextField: </p> <pre><code> deleteAll(); ByteArrayOutputStream baos = new ByteArrayOutputStream(); KXmlSerializer serializer = new KXmlSerializer(); try { serializer.setOutput(baos, "UTF-8"); d.write(serializer); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } add(new RichTextField(baos.toString())); </code></pre>

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