/**
* Copyright (c) 2012, The National Archives <pronom@nationalarchives.gsi.gov.uk>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * 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.
*
* * Neither the name of the The National Archives 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 HOLDER 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.
*/
package uk.gov.nationalarchives.droid.container.legacy;
import java.io.ByteArrayInputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.List;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import org.apache.xml.serialize.XMLSerializer;
import org.junit.Test;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import uk.gov.nationalarchives.droid.container.ContainerSignature;
import uk.gov.nationalarchives.droid.container.ContainerSignatureDefinitions;
import uk.gov.nationalarchives.droid.container.ContainerSignatureSaxParser;
import uk.gov.nationalarchives.droid.core.signature.droid6.InternalSignatureCollection;
import uk.gov.nationalarchives.droid.core.signature.droid6.InternalSignature;
import uk.gov.nationalarchives.droid.core.signature.xml.SAXModelBuilder;
/**
* @author rflitcroft
*
*/
public class Droid4BinarySignatureMatcherTest {
@Test
public void testParseBinarySignatureXmlToInternalSignature() throws Exception {
String xml =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+ "<ContainerSignatureMapping>"
+ " <ContainerSignatures>"
+ " <ContainerSignature Id=\"9\">"
+ " <Description>Open Office Text</Description>"
+ " <Files>"
+ " <File Required=\"true\">"
+ " <Path>META-INF/manifest.xml</Path>"
+ " <BinarySignatures>"
+ " <InternalSignatureCollection>"
+ " <InternalSignature ID=\"150\" Specificity=\"Specific\">"
+ " <ByteSequence Reference=\"BOFoffset\">"
+ " <SubSequence MinFragLength=\"6\" Position=\"1\""
+ " SubSeqMaxOffset=\"0\" SubSeqMinOffset=\"0\">"
+ " <Sequence>45786966000049492A00</Sequence>"
+ " <LeftFragment MaxOffset=\"2\" MinOffset=\"2\" "
+ " Position=\"1\">FFD8FFE1</LeftFragment>"
+ " </SubSequence>"
+ " <SubSequence MinFragLength=\"0\" Position=\"2\" SubSeqMinOffset=\"0\">"
+ " <Sequence>009007000400000030323130</Sequence>"
+ " </SubSequence>"
+ " </ByteSequence>"
+ " <ByteSequence Reference=\"EOFoffset\">"
+ " <SubSequence MinFragLength=\"0\" Position=\"1\" "
+ " SubSeqMaxOffset=\"0\" SubSeqMinOffset=\"0\">"
+ " <Sequence>FFD9</Sequence>"
+ " </SubSequence>"
+ " </ByteSequence>"
+ " </InternalSignature>"
+ " </InternalSignatureCollection>"
+ " </BinarySignatures>"
+ " </File>"
+ " </Files>"
+ " </ContainerSignature>"
+ " </ContainerSignatures>"
+ "</ContainerSignatureMapping>";
ContainerSignatureSaxParser parser = new ContainerSignatureSaxParser();
ContainerSignatureDefinitions sigDefs = parser.parse(new ByteArrayInputStream(xml.getBytes()));
final List<ContainerSignature> containerSignatures = sigDefs.getContainerSignatures();
assertEquals(1, containerSignatures.size());
final Element internalSigXml = containerSignatures.get(0).getFiles().get("META-INF/manifest.xml")
.getBinarySignature().getElement();
assertNotNull(internalSigXml);
final XMLSerializer serializer = new XMLSerializer();
StringWriter writer = new StringWriter();
SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser saxParser = factory.newSAXParser();
final XMLReader xmlReader = saxParser.getXMLReader();
SAXModelBuilder mb = new SAXModelBuilder();
xmlReader.setContentHandler(mb);
serializer.setOutputCharStream(writer);
serializer.serialize(internalSigXml);
xmlReader.parse(new InputSource(new StringReader(writer.getBuffer().toString())));
InternalSignatureCollection sigs = (InternalSignatureCollection) mb.getModel();
assertEquals(1, sigs.getInternalSignatures().size());
InternalSignature sig = sigs.getInternalSignatures().get(0);
assertEquals(2, sig.getByteSequences().size());
}
}