"); out.println(title); out.println("

import java.io.*; import java.util.Enumeration; import java.util.Date; import javax.servlet.*; import javax.servlet.http.*; import org.xml.sax.SAXException; import org.xml.sax.SAXParseException; import org.w3c.dom.Document; import org.w3c.dom.DOMException; import org.apache.xerces.parsers.DOMParser; import org.apache.xerces.dom.DocumentImpl; import org.apache.xalan.xpath.xdom.XercesLiaison; import org.apache.xalan.xslt.*; //-------- /* * Linus Sphinx's Write Xml Servlet - attempts to modify xml file with contents of request parameters * Copyright Linus Sphinx 1999 (c) all rights reserved */ public class wxml extends HttpServlet { public String XDocRoot; // location of doc root in initArgs from zone.properties public String XDocDir; // directory added to XDocRoot where XDocName is public String XMap; // .map dir to be added to xdocroot public String XDad; // name of another file to touch upon successful edit of xdoc public String XAct; // delete node if equal "del" public String XDocName; // name on xml file to work on in XDocRoot public String XItem; // sub item to edit public String XPTag; // tag to match on public String XData; // contents matching above tag ie: XData matches it's time to build a form public String Title = "Linus' Xml Wizard"; // title of html pages public void doGet( HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { writeXml( request, response ); } public void doPost( HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { writeXml( request, response ); } public void writeXml (HttpServletRequest request, HttpServletResponse response) throws IOException { Document doc; int level = 0; String title = "Write XML Servlet"; String myArgs = "xdoc xitem xptag xdata xstyle xdad xact xdir xmap"; ServletContext context = this.getServletContext(); Enumeration e = request.getParameterNames(); PrintWriter out = response.getWriter(); response.setContentType("text/html"); XMap = request.getParameter( "xmap" ); XDocDir = request.getParameter( "xdir" ); XDocRoot = context.getInitParameter( "docroot" ); if ( XDocDir != null ) { XDocRoot = XDocRoot + XDocDir + "/"; } if ( XMap != null && !XMap.equals( "addamap" )) { if ( XDocDir != null ) XDocRoot = XDocRoot + XDocDir + "/" + XMap + ".map/"; else XDocRoot = XDocRoot + XMap + ".map/"; } XDocName = request.getParameter( "xdoc" ); XItem = request.getParameter( "xitem" ); XPTag = request.getParameter( "xptag" ); XData = request.getParameter( "xdata" ); XDad = request.getParameter( "xdad" ); XAct = request.getParameter( "xact" ); if ( XDocName == null ) { selectXDoc( request, out ); return; } out.println(""); out.println(title); out.println(""); out.println("

" + title + "

"); out.println("
Filename: " + XDocName ); /* out.println("

Home"); out.println(""); out.close(); return; */ // open and parse doc try { DOMParser parser = new DOMParser(); parser.parse(XDocRoot + XDocName + ".xml" ); doc = parser.getDocument(); doc.getDocumentElement().normalize(); // get a node list of xitems org.w3c.dom.NodeList nodeList = doc.getElementsByTagName( XItem ); // find which one is to be altered int x = findMyNode( nodeList ); if (!( XAct != null && XAct.compareTo((String)"del")== 0 )) { if ( x < 0 ) // add { x = 0; org.w3c.dom.Node refNode = nodeList.item(x); org.w3c.dom.Node newNode = doc.createElement( XItem ); org.w3c.dom.Node dadNode = doc.getDocumentElement(); dadNode.insertBefore( newNode, refNode ); out.println( "
Adding #" + x ); } else // update out.println("
Updating #" + x); org.w3c.dom.Node target = nodeList.item(x); while( e.hasMoreElements()) { String s = (String)e.nextElement(); if ( myArgs.indexOf( s ) < 0 ) // it's not one of ours { String v = (String)request.getParameter( s ); updateXItem( doc, target, s, v, out ); } } } else if ( x >= 0 ) // deleting { out.println( "
Deleting #" + x ); org.w3c.dom.Node target = nodeList.item(x); org.w3c.dom.Node dadNode = doc.getDocumentElement(); dadNode.removeChild( target ); } // write out our tree FileWriter xFile = new FileWriter( XDocRoot + XDocName + ".xml", false); PrintWriter newFile = new PrintWriter(xFile); printTree( doc.getDocumentElement(), newFile, level ); newFile.close(); if (XDad != null) { out.println("
Touching " + XDad ); RandomAccessFile xd = new RandomAccessFile( XDocRoot + XDad, "rw"); int z = xd.read(); xd.seek(0L); xd.write(z); xd.close(); } Date now = new Date(); out.println("
at " + now.toString()); out.println("

Home"); out.println(""); out.close(); } catch (SAXParseException spe) { // Error generated by the parser out.println ("\n** Parsing error" + ", line " + spe.getLineNumber () + ", uri " + spe.getSystemId ()); out.println(" " + spe.getMessage() ); // Use the contained exception, if any Exception x = spe; if (spe.getException() != null) x = spe.getException(); x.printStackTrace(); return; } catch (SAXException sxe) { // Error generated by this application // (or a parser-initialization error) Exception x = sxe; if (sxe.getException() != null) x = sxe.getException(); x.printStackTrace(); return; } catch (IOException ioe) { // I/O error ioe.printStackTrace(); return; } } // eo writeXml // ------------------ // update a node by creating new one from doc named str filled with val printed to out // swap if we can find it or add if not // ------------------ void updateXItem( Document doc, org.w3c.dom.Node node, String str, String val, PrintWriter out ) { boolean found = false; org.w3c.dom.Element newnode = null; org.w3c.dom.Element newdata = null; out.println("
" + str + " = " + val ); org.w3c.dom.NodeList kids = node.getChildNodes(); for (int i=0; i < kids.getLength(); i++ ) // for each child of our xitem { org.w3c.dom.Node kid = kids.item(i); int type = kid.getNodeType(); String name = kid.getNodeName(); if ( type == 1 && str.equals( name )) // match param so make new one, attach param value and switch { found = true; newnode = doc.createElement( str ); newnode.appendChild( doc.createTextNode( val )); node.replaceChild( newnode, kid ); } } if ( !found ) { newnode = doc.createElement( str ); newnode.appendChild( doc.createTextNode( val )); node.appendChild( newnode ); } } // eo updateXItem // ------------------ // find a node whose name equals xitem and content equals xptag // ------------------ int findMyNode( org.w3c.dom.NodeList nodeListi ) throws java.io.IOException, java.net.MalformedURLException, org.xml.sax.SAXException { int type; int x; String name; String val; org.w3c.dom.Node nodei; org.w3c.dom.Node nodej; for (int i=0; i < nodeListi.getLength(); i++ ) // for every xitem we are looking for { nodei = nodeListi.item(i); type = nodei.getNodeType(); name = nodei.getNodeName(); if ( type == 1 && name.equals( XItem ) && nodei.hasChildNodes() ) // check it's children { org.w3c.dom.NodeList childTagNodes = nodei.getChildNodes(); for (int j=0; j"); if ( type == 1 ) Out.println("<" + name + ">"); printBranches( rootNode, Out, level ); if ( type == 1 ) Out.println(""); } // ------------------ // print a branch in xml code // ------------------ void printBranches( org.w3c.dom.Node rootNode, PrintWriter Out, int level ) { int j; org.w3c.dom.NodeList nodes = rootNode.getChildNodes(); for (int i=0; i"); } if ( type == 3 ) { String s = node.getNodeValue(); if ( s.trim().compareTo( "" ) != 0 ) { Out.print( s ); } } if ( node.hasChildNodes() ) { printBranches( node, Out, level + 1 ); } if ( type == 1 ) { Out.println(""); } } } // eo printTree // ------------------ // create the top of a form // ------------------ void topOfForm( PrintWriter Out ) { Out.println(""); Out.println( Title ); Out.println("

"); Out.println(""); Out.println("

" + XItem + " Edit Wizard

"); Out.println("

"); } // eo endOfForm // ------------------ // xdoc param is empty present a form to fill it // ------------------ void selectXDoc( HttpServletRequest request, PrintWriter Out ) { File xmlPath = new File( XDocRoot ); ExtensionFilter xf = new ExtensionFilter( "xml" ); String[] xmlDirs = xmlPath.list( xf ); Enumeration e = request.getParameterNames(); topOfForm( Out ); Out.println( "Select a " + XItem + " to edit: " ); Out.println( "" ); Out.println("

"); while( e.hasMoreElements()) { String s = (String)e.nextElement(); String v = (String)request.getParameter( s ); Out.println(""); } endOfForm( Out ); } // ------------------ // ------------------ //-------------- // eo wxml //-------------- }