/*
* Copyright (c) 2005, The Regents of the University of California, through
* Lawrence Berkeley National Laboratory (subject to receipt of any required
* approvals from the U.S. Dept. of Energy). All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* (1) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* (2) Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* (3) Neither the name of the University of California, Lawrence Berkeley
* National Laboratory, U.S. Dept. of Energy nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* You are under no obligation whatsoever to provide any bug fixes, patches, or
* upgrades to the features, functionality or performance of the source code
* ("Enhancements") to anyone; however, if you choose to make your Enhancements
* available either publicly, or directly to Lawrence Berkeley National
* Laboratory, without imposing a separate written license agreement for such
* Enhancements, then you hereby grant the following license: a non-exclusive,
* royalty-free perpetual license to install, use, modify, prepare derivative
* works, incorporate into other computer software, distribute, and sublicense
* such enhancements or derivative works thereof, in binary and source code
* form.
*/
package nux.xom.sandbox;
import java.io.File;
import nu.xom.Builder;
import nu.xom.Document;
import nu.xom.Nodes;
import nux.xom.pool.XOMUtil;
import nux.xom.pool.XQueryPool;
import nux.xom.xquery.XQuery;
/**
* Simple command line demo that runs a given XQuery against a file and
* prints the result sequence. A query can be read from a file or given inline
* between curly braces. This demo is for new users to get
* started, and not intended for production use.
* <p>
* Example usage (using Unix shell quoting with the ' character):
*
* <pre>
* export CLASSPATH=lib/nux.jar:lib/saxon8.jar:lib/xom.jar
*
* java nux.xom.sandbox.SimpleXQueryCommand '{doc("samples/data/periodic.xml")/PERIODIC_TABLE/ATOM[NAME = "Zinc"]}'
* java nux.xom.sandbox.SimpleXQueryCommand '{count(//*)}' samples/data/periodic.xml
* java nux.xom.sandbox.SimpleXQueryCommand samples/xmark/q03.xq samples/xmark/auction-0.01.xml
* </pre>
*
* @author whoschek.AT.lbl.DOT.gov
* @author $Author: hoschek3 $
* @version $Revision: 1.1 $, $Date: 2005/11/11 23:18:28 $
*/
public final class SimpleXQueryCommand {
private SimpleXQueryCommand() {}
public static void main(String[] args) throws Exception {
String query = args[0];
Document doc = null;
if (args.length > 1) doc = new Builder().build(new File(args[1]));
XQuery xquery;
if (query.startsWith("{") && query.endsWith("}")) {
// query is given inline between curly brackets, ala Saxon command line tool
String strippedQuery = query.substring(1, query.length()-1);
xquery = XQueryPool.GLOBAL_POOL.getXQuery(strippedQuery, null);
} else {
// otherwise it refers to a file containing the query string
xquery = XQueryPool.GLOBAL_POOL.getXQuery(new File(query));
}
Nodes results = xquery.execute(doc).toNodes();
for (int j=0; j < results.size(); j++) {
boolean prettyPrint = true;
if (prettyPrint)
System.out.println(XOMUtil.toPrettyXML(results.get(j)));
else
System.out.println(results.get(j).toXML());
}
}
}