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The NetCDF-Java Library is a Java interface to NetCDF files,
as well as to many other types of scientific data formats.
// $Id: DqcConvert2.java 48 2006-07-12 16:15:40Z caron $
/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
* supporting documentation. Further, UCAR requests that the user credit
* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
* any support, consulting, training or assistance of any kind with regard
* to the use, operation and performance of this software nor to provide
* the user with any updates, revisions, new versions or "bug fixes."
*
* THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package thredds.catalog.parser.jdom;
import thredds.catalog.query.*;
import org.jdom.*;
import org.jdom.output.*;
import java.io.*;
import java.net.*;
import java.util.*;
/**
* DQC Converter of DOM to object model.
* Reads DQC.xml files, constructs object representation.
*
* @author John Caron
*/
public class DqcConvert2 implements DqcConvertIF {
public static boolean debugURL = false, debugXML = false, debugDBurl = false;
public static boolean debugXMLopen = false, showParsedXML = false, showXMLoutput = false;
protected static final Namespace defNS = Namespace.getNamespace(thredds.catalog.XMLEntityResolver.DQC_NAMESPACE_02);
protected static final Namespace xlinkNS = Namespace.getNamespace("xlink", thredds.catalog.XMLEntityResolver.XLINK_NAMESPACE);
// private DOMBuilder builder = new DOMBuilder();
/************************************************************************/
// Create Java objects from XML
/**
* Create an QueryCapability from an XML document at a named URL.
*
* @param uri : the URI that the XML doc is at.
* @return an QueryCapability object
*/
public QueryCapability parseXML( DqcFactory fac, org.jdom.Document jdomDoc, URI uri) throws IOException {
// convert to JDOM document
//Document doc = builder.build(domDoc);
if (showParsedXML) {
XMLOutputter xmlOut = new XMLOutputter();
System.out.println ("*** queryFactory/showParsedXML = \n"+xmlOut.outputString(jdomDoc)+"\n*******");
}
QueryCapability qc = readQC( jdomDoc.getRootElement(), uri);
if (showXMLoutput) {
System.out.println ("*** queryFactory/showXMLoutput");
writeXML(qc, System.out);
}
return qc;
}
/////////////////////////////////////////////////////////////////////////////
private QueryCapability readQC( Element qcElem, URI uri) {
// read attributes
String name = qcElem.getAttributeValue("name");
String version = qcElem.getAttributeValue("version");
QueryCapability qc = new QueryCapability( uri.toString(), name, version);
// read elements
qc.setQuery( readQuery( qcElem.getChild("query", defNS), uri));
// look for selectors
Element selections = qcElem.getChild("selections", defNS);
java.util.List list = selections.getChildren();
for (int j=0; j< list.size(); j++) {
Element child = (Element) list.get(j);
String childName = child.getName();
if (childName.equals("selectList"))
qc.addSelector( readSelectList( qc, child));
if (childName.equals("selectStation"))
qc.addSelector( readSelectStation( qc, child));
}
return qc;
}
public Document makeQC(QueryCapability qc) {
Element rootElem = new Element("queryCapability", defNS);
Document doc = new Document(rootElem);
// attributes
if (null != qc.getName())
rootElem.setAttribute("name", qc.getName());
rootElem.setAttribute("version", qc.getVersion());
// content
rootElem.addContent( makeQuery( qc.getQuery()));
Element elem = new Element("selections", defNS);
List selectors = qc.getSelectors();
for (int i=0; i