Java tutorial
//$HeadURL: svn+ssh://lbuesching@svn.wald.intevation.de/deegree/base/trunk/resources/eclipse/files_template.xml $ /*---------------------------------------------------------------------------- This file is part of deegree, http://deegree.org/ Copyright (C) 2001-2012 by: - Department of Geography, University of Bonn - and - lat/lon GmbH - This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Contact information: lat/lon GmbH Aennchenstr. 19, 53177 Bonn Germany http://lat-lon.de/ Department of Geography, University of Bonn Prof. Dr. Klaus Greve Postfach 1147, 53001 Bonn Germany http://www.geographie.uni-bonn.de/deegree/ e-mail: info@deegree.org ----------------------------------------------------------------------------*/ package org.deegree.metadata.iso; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import java.io.ByteArrayOutputStream; import java.io.InputStream; import java.net.URL; import java.util.List; import javax.xml.stream.FactoryConfigurationError; import javax.xml.stream.XMLInputFactory; import javax.xml.stream.XMLOutputFactory; import javax.xml.stream.XMLStreamException; import javax.xml.stream.XMLStreamReader; import javax.xml.stream.XMLStreamWriter; import org.apache.axiom.om.OMElement; import org.apache.commons.io.IOUtils; import org.deegree.commons.tom.primitive.PrimitiveValue; import org.deegree.commons.xml.CommonNamespaces; import org.deegree.commons.xml.NamespaceBindings; import org.deegree.commons.xml.XMLAdapter; import org.deegree.commons.xml.XPath; import org.deegree.commons.xml.stax.FilteringXMLStreamWriter; import org.deegree.cs.CRSUtils; import org.deegree.filter.Filter; import org.deegree.filter.FilterEvaluationException; import org.deegree.filter.Operator; import org.deegree.filter.OperatorFilter; import org.deegree.filter.comparison.PropertyIsEqualTo; import org.deegree.filter.expression.Literal; import org.deegree.filter.expression.ValueReference; import org.deegree.filter.spatial.BBOX; import org.deegree.geometry.GeometryFactory; import org.junit.Assert; import org.junit.Ignore; import org.junit.Test; /** * Basic tests for creation (XML parsing) of {@link ISORecord} instances. * * @author <a href="mailto:goltz@lat-lon.de">Lyn Goltz</a> * @author last edited by: $Author: lyn $ * * @version $Revision: $, $Date: $ */ public class ISORecordTest { private final static NamespaceBindings nsContext = CommonNamespaces.getNamespaceContext(); private static final URL DATASET = ISORecordTest.class.getResource("full.xml"); @Ignore @Test public void testFull() throws Exception { XMLAdapter xml = new XMLAdapter(DATASET); OMElement filterEl = xml.getRootElement(); byte[] actual = writeOut(filterEl, null); byte[] expected = IOUtils.toByteArray(ISORecordTest.class.getResourceAsStream("full_expected.xml")); Assert.assertArrayEquals(expected, actual); } @Ignore @Test public void testBrief() throws Exception { XMLAdapter xml = new XMLAdapter(DATASET); OMElement filterEl = xml.getRootElement(); byte[] actual = writeOut(filterEl, ISORecord.briefFilterElementsXPath); byte[] expected = IOUtils.toByteArray(ISORecordTest.class.getResourceAsStream("brief.xml")); Assert.assertArrayEquals(expected, actual); } @Ignore @Test public void testSummary() throws Exception { XMLAdapter xml = new XMLAdapter(DATASET); OMElement filterEl = xml.getRootElement(); byte[] actual = writeOut(filterEl, ISORecord.summaryFilterElementsXPath); byte[] expected = IOUtils.toByteArray(ISORecordTest.class.getResourceAsStream("summary.xml")); Assert.assertArrayEquals(expected, actual); } private byte[] writeOut(OMElement filterEl, List<XPath> paths) throws Exception { ByteArrayOutputStream bos = new ByteArrayOutputStream(); XMLStreamWriter writer = XMLOutputFactory.newInstance().createXMLStreamWriter(bos); if (paths != null) { writer = new FilteringXMLStreamWriter(writer, paths); } filterEl.serialize(writer); writer.close(); return bos.toByteArray(); } @Test public void testInstantiationFromXMLStream() throws XMLStreamException, FactoryConfigurationError { InputStream is = ISORecordTest.class.getResourceAsStream("datasetRecord.xml"); XMLStreamReader xmlStream = XMLInputFactory.newInstance().createXMLStreamReader(is); ISORecord record = new ISORecord(xmlStream); assertEquals("5E50884F-5549-2A7A-99E3-334234A887C81", record.getIdentifier()); } @Test public void testInstantiationFromXMLStreamOfBrokenRecord() throws XMLStreamException, FactoryConfigurationError { InputStream is = ISORecordTest.class.getResourceAsStream("datasetRecord_invalidDate.invalid"); XMLStreamReader xmlStream = XMLInputFactory.newInstance().createXMLStreamReader(is); ISORecord record = new ISORecord(xmlStream); boolean exception = false; try { record.getIdentifier(); } catch (Exception e) { exception = true; } assertTrue(exception); } @Test public void testEvalFilterSubject() throws Exception { InputStream is = ISORecordTest.class.getResourceAsStream("datasetRecord.xml"); XMLStreamReader xmlStream = XMLInputFactory.newInstance().createXMLStreamReader(is); ISORecord record = new ISORecord(xmlStream); Literal<PrimitiveValue> literal = new Literal<PrimitiveValue>("Hydrography"); Operator operator = new PropertyIsEqualTo(new ValueReference("Subject", nsContext), literal, true, null); Filter filter = new OperatorFilter(operator); boolean isMatching = record.eval(filter); assertTrue(isMatching); } @Test public void testEvalFilterSubjectUnmatching() throws Exception { InputStream is = ISORecordTest.class.getResourceAsStream("datasetRecord.xml"); XMLStreamReader xmlStream = XMLInputFactory.newInstance().createXMLStreamReader(is); ISORecord record = new ISORecord(xmlStream); Literal<PrimitiveValue> literal = new Literal<PrimitiveValue>("NotAKeywordInRecord"); Operator operator = new PropertyIsEqualTo(new ValueReference("Subject", nsContext), literal, true, null); Filter filter = new OperatorFilter(operator); boolean isMatching = record.eval(filter); Assert.assertFalse(isMatching); } @Test public void testEvalFilterBbox() throws Exception { InputStream is = ISORecordTest.class.getResourceAsStream("datasetRecord.xml"); XMLStreamReader xmlStream = XMLInputFactory.newInstance().createXMLStreamReader(is); ISORecord record = new ISORecord(xmlStream); GeometryFactory geomFactory = new GeometryFactory(); ValueReference reference = new ValueReference("apiso:BoundingBox", nsContext); Operator operator = new BBOX(reference, geomFactory.createEnvelope(7.2, 49.30, 10.70, 53.70, CRSUtils.EPSG_4326)); Filter filter = new OperatorFilter(operator); boolean isMatching = record.eval(filter); assertTrue(isMatching); } @Test(expected = FilterEvaluationException.class) public void testEvalFilterUnknownPropertyName() throws Exception { InputStream is = ISORecordTest.class.getResourceAsStream("datasetRecord.xml"); XMLStreamReader xmlStream = XMLInputFactory.newInstance().createXMLStreamReader(is); ISORecord record = new ISORecord(xmlStream); Literal<PrimitiveValue> literal = new Literal<PrimitiveValue>("Hydrography"); Operator operator = new PropertyIsEqualTo(new ValueReference("Unknown", nsContext), literal, true, null); Filter filter = new OperatorFilter(operator); boolean isMatching = record.eval(filter); assertTrue(isMatching); } }