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| package org.apache.xindice.webadmin.viewer.components; |
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| |
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| import java.io.IOException; |
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| import java.io.Writer; |
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| |
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| import javax.servlet.ServletException; |
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| import javax.servlet.http.HttpServletRequest; |
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| import javax.servlet.http.HttpServletResponse; |
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| |
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| import org.w3c.dom.Node; |
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| |
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| import org.apache.xindice.xml.NamespaceMap; |
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| import org.apache.xindice.core.Collection; |
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| import org.apache.xindice.core.DBException; |
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| import org.apache.xindice.core.data.NodeSet; |
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| import org.apache.xindice.webadmin.viewer.*; |
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| import org.apache.xindice.webadmin.viewer.HtmlViewerComponent; |
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| import org.apache.xindice.xml.Xml2HtmlWriter; |
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| import org.apache.commons.logging.Log; |
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| import org.apache.commons.logging.LogFactory; |
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| public class XPathSearchCollectionViewer extends HtmlViewerComponent implements HtmlCollectionViewer { |
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| private static final Log log = LogFactory.getLog(XPathSearchCollectionViewer.class); |
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| |
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| public void execute(HttpServletRequest req, HttpServletResponse res, Collection col)
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| throws ServletException, IOException { |
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| |
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| String query = req.getParameter("query");
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| if (query == null) {
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| query = "";
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| } |
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| |
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| String path = col.getCanonicalName();
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| String title = "XPATH Query for " + path;
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| Writer output = startViewer(title, path, res);
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| String[] ns = {"", ""};
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| int nsSize = 1;
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| String rawNsSize = req.getParameter("nssize");
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| if (rawNsSize != null) {
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| nsSize = Integer.parseInt(rawNsSize);
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| ns = new String[nsSize * 2];
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| int index = 0;
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| for (int i = 1; i <= nsSize; i++) {
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| String prefix = req.getParameter("prefix" + i);
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| String uri = req.getParameter("uri" + i);
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| if (prefix != null) {
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| ns[index] = prefix;
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| } else { |
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| ns[index] = "";
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| } |
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| index++;
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| if (uri != null) {
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| ns[index] = uri;
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| } else { |
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| ns[index] = "";
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| } |
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| index++;
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| } |
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| } |
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| printQueryForm(output, query, path, ns);
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| output.write("<br />\n");
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| output.flush();
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| |
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| if (query.length() > 0) {
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| NamespaceMap nsMap = new NamespaceMap();
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| int index = 0;
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| for (int i = 0; i < nsSize; i++) {
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| nsMap.setNamespace(ns[index++], ns[index++]);
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| } |
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| try {
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| NodeSet result = col.queryCollection("XPath", query, nsMap);
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| printQuery(result, output, query, path);
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| } catch (DBException e) { |
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| log.error(e);
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| printStartTable("Error while XPath Query", output);
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| printStartSingleTableBox(output);
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| output.write("<b>Error while XPath Query:</b><br />");
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| output.write(e.getMessage());
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| printEndSingleTableBox(output);
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| printEndTable(output);
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| } |
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| } |
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| |
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| finishViewer(output);
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| } |
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| |
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| protected String getName() {
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| return "xpath";
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| } |
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| |
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| private void printQuery(NodeSet result, Writer output, String query, String path)
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| throws IOException { |
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| |
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| String resultTitle = "Result for Query " + query;
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| printStartTable(resultTitle, output);
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| if (!result.hasMoreNodes()) {
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| printStartSingleTableBox(output);
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| output.write("No result for query " + query + "");
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| printEndSingleTableBox(output);
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| } |
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| while (result.hasMoreNodes()) {
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| Object node = result.getNextNode();
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| printStartSingleTableBox(output);
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| if (node instanceof Node) {
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| Xml2HtmlWriter.write((Node) node, output);
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| } else { |
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| output.write("Node is no Node");
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| } |
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| printEndSingleTableBox(output);
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| } |
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| printEndTable(output);
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| } |
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| |
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| private void printQueryForm(Writer output, String query, String path, String[] ns)
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| throws IOException { |
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| String formTitle = "XPath Query for Collection " + path;
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| printStartTable(formTitle, output);
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| printSearchFromRow("xpath", query, ns, output);
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| printEndTable(output);
|
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| } |
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| |
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| } |