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| package org.apache.xindice.tools.command; |
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| import org.apache.xindice.tools.XMLTools; |
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| import org.xmldb.api.DatabaseManager; |
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| import org.xmldb.api.base.Collection; |
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| import org.xmldb.api.base.ResourceIterator; |
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| import org.xmldb.api.base.ResourceSet; |
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| import org.xmldb.api.base.XMLDBException; |
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| import org.xmldb.api.modules.XMLResource; |
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| import org.xmldb.api.modules.XPathQueryService; |
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| import java.util.StringTokenizer; |
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| public class XPathQuery extends Command { |
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| public boolean execute(XMLTools.Config table) throws Exception {
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| if (table.getString(XMLTools.COLLECTION) == null) {
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| System.out.println("ERROR : Collection name and switch required");
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| return false;
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| } |
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| if ("".equals(table.getString(XMLTools.QUERY))) {
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| System.out.println("ERROR : Query and switch required");
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| return false;
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| } |
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| Collection col = null;
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| try {
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| String colstring = normalizeCollectionURI(table.getString(XMLTools.COLLECTION),
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| table.getBoolean(XMLTools.LOCAL)); |
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| String querystring = table.getString(XMLTools.QUERY);
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| col = DatabaseManager.getCollection(colstring);
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| if (col == null) {
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| System.out.println("ERROR : Collection not found!");
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| return false;
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| } |
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| XPathQueryService service = (XPathQueryService) col.getService("XPathQueryService", "1.0");
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| addNamespaces(service, table.getString(XMLTools.NAMESPACES));
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| ResourceSet resultSet = service.query(querystring);
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| ResourceIterator results = resultSet.getIterator();
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| while (results.hasMoreResources()) {
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| XMLResource resource = (XMLResource) results.nextResource();
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| String documentstr = (String) resource.getContent();
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| System.out.println(documentstr);
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| } |
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| } finally { |
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| if (col != null) {
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| col.close();
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| } |
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| } |
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| return true;
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| } |
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| private void addNamespaces(XPathQueryService service, String namespacesString) throws XMLDBException {
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| if (namespacesString != null && namespacesString.length() > 0) {
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| StringTokenizer st = new StringTokenizer(namespacesString, "=;");
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| if (st.countTokens() % 2 != 0) {
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| throw new XMLDBException(0, "mismatched namespace prefixes and uris in '" + namespacesString + "'");
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| } |
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| while (st.hasMoreTokens()) {
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| service.setNamespace(st.nextToken(), st.nextToken());
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| } |
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| } |
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| } |
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| public void usage() {
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| System.out.println("Format: xindice xpath -c <context> [-l [-d <path>]] [-v] [parameters...]");
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| System.out.println();
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| System.out.println("Searches collection for documents matching given XPath query");
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| System.out.println();
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| System.out.println("Command-specific switches:");
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| System.out.println(" -q|--query <query>");
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| System.out.println(" XPath query");
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| System.out.println(" -s|--namespaces <namespaces>");
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| System.out.println(" Semicolon delimited list of namespaces for query");
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| System.out.println(" in the form prefix=namespace-uri");
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| System.out.println();
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| System.out.println("Examples:");
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| System.out.println(" xindice xpath -c /db/test/ocs -q test");
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| System.out.println(" xindice xpath -c /db/test -s a=http://somedomain.com/schema.xsd -q /a:foo");
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| System.out.println();
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| } |
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| } |
