1.1 --- a/test/javatestfile.java Mon Oct 03 12:27:10 2022 +0200
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,176 +0,0 @@
1.4 -/*
1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 - *
1.7 - * Copyright 2014 Mike Becker. All rights reserved.
1.8 - *
1.9 - * Redistribution and use in source and binary forms, with or without
1.10 - * modification, are permitted provided that the following conditions are met:
1.11 - *
1.12 - * 1. Redistributions of source code must retain the above copyright
1.13 - * notice, this list of conditions and the following disclaimer.
1.14 - *
1.15 - * 2. Redistributions in binary form must reproduce the above copyright
1.16 - * notice, this list of conditions and the following disclaimer in the
1.17 - * documentation and/or other materials provided with the distribution.
1.18 - *
1.19 - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.20 - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.21 - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.22 - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
1.23 - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.24 - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.25 - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.26 - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.27 - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.28 - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.29 - * POSSIBILITY OF SUCH DAMAGE.
1.30 - *
1.31 - */
1.32 -
1.33 -package de.uapcore.sigred.doc.base;
1.34 -
1.35 -import de.uapcore.sigred.doc.Resources;
1.36 -import de.uapcore.sigrapi.impl.Digraph;
1.37 -import de.uapcore.sigrapi.impl.Graph;
1.38 -import de.uapcore.sigrapi.IGraph;
1.39 -import java.io.IOException;
1.40 -import java.io.InputStream;
1.41 -import java.io.OutputStream;
1.42 -import java.util.concurrent.atomic.AtomicBoolean;
1.43 -import java.util.concurrent.atomic.AtomicReference;
1.44 -import org.apache.xerces.impl.Constants;
1.45 -import org.dom4j.Document;
1.46 -import org.dom4j.DocumentException;
1.47 -import org.dom4j.DocumentHelper;
1.48 -import org.dom4j.Element;
1.49 -import org.dom4j.Namespace;
1.50 -import org.dom4j.QName;
1.51 -import org.dom4j.io.OutputFormat;
1.52 -import org.dom4j.io.SAXReader;
1.53 -import org.dom4j.io.XMLWriter;
1.54 -import org.xml.sax.ErrorHandler;
1.55 -import org.xml.sax.SAXException;
1.56 -import org.xml.sax.SAXParseException;
1.57 -
1.58 -public abstract class AbstractGraphDocument<T extends IGraph>
1.59 - extends FileBackedDocument {
1.60 -
1.61 - protected static final Namespace NAMESPACE = Namespace.get("sigred",
1.62 - "http://develop.uap-core.de/sigred/");
1.63 -
1.64 - private static final
1.65 - QName TAG_GRAPHDOC = QName.get("graph-document", NAMESPACE);
1.66 - private static final
1.67 - QName TAG_GRAPH = QName.get("graph", NAMESPACE);
1.68 - private static final
1.69 - QName TAG_DIGRAPH = QName.get("digraph", NAMESPACE);
1.70 - private static final
1.71 - QName TAG_METADATA = QName.get("metadata", NAMESPACE);
1.72 -
1.73 - protected final T graph;
1.74 -
1.75 - private final GraphDocumentMetadata metadata;
1.76 -
1.77 - public AbstractGraphDocument(Class<T> graphType) {
1.78 - T g;
1.79 - try {
1.80 - g = graphType.newInstance();
1.81 - } catch (ReflectiveOperationException e) {
1.82 - assert false;
1.83 - g = null; // for the compiler
1.84 - }
1.85 - graph = g;
1.86 - metadata = new GraphDocumentMetadata();
1.87 - }
1.88 -
1.89 - public T getGraph() {
1.90 - return graph;
1.91 - }
1.92 -
1.93 - public GraphDocumentMetadata getMetadata() {
1.94 - return metadata;
1.95 - }
1.96 -
1.97 - protected abstract void writeGraph(Element rootNode) throws IOException;
1.98 - protected abstract void readGraph(Element rootNode) throws IOException;
1.99 -
1.100 - @Override
1.101 - public void writeTo(OutputStream out) throws IOException {
1.102 - Document doc = DocumentHelper.createDocument();
1.103 -
1.104 - Element rootNode = doc.addElement(TAG_GRAPHDOC);
1.105 -
1.106 - Element metadataNode = rootNode.addElement(TAG_METADATA);
1.107 -
1.108 - metadata.write(metadataNode);
1.109 -
1.110 - if (graph instanceof Graph) {
1.111 - writeGraph(rootNode.addElement(TAG_GRAPH));
1.112 - } else if (graph instanceof Digraph) {
1.113 - writeGraph(rootNode.addElement(TAG_DIGRAPH));
1.114 - } else {
1.115 - throw new IOException("unsupported graph type");
1.116 - }
1.117 -
1.118 - XMLWriter writer = new XMLWriter(out, OutputFormat.createPrettyPrint());
1.119 - writer.write(doc);
1.120 - writer.flush();
1.121 - }
1.122 -
1.123 - @Override
1.124 - public void readFrom(InputStream in) throws IOException {
1.125 - try {
1.126 - SAXReader reader = new SAXReader(true);
1.127 - reader.setStripWhitespaceText(true);
1.128 -
1.129 - reader.setFeature(Constants.XERCES_FEATURE_PREFIX+
1.130 - Constants.SCHEMA_VALIDATION_FEATURE, true);
1.131 - reader.setProperty(Constants.XERCES_PROPERTY_PREFIX +
1.132 - Constants.SCHEMA_LOCATION, String.format("%s %s",
1.133 - NAMESPACE.getURI(), Resources.class.getResource(
1.134 - "graph-document.xsd").toExternalForm()));
1.135 -
1.136 - final AtomicBoolean passed = new AtomicBoolean(true);
1.137 - final AtomicReference<SAXParseException> xmlerror = new AtomicReference<>();
1.138 - // TODO: we should do more detailed error handling here
1.139 - reader.setErrorHandler(new ErrorHandler() {
1.140 - @Override
1.141 - public void warning(SAXParseException exception) throws SAXException {
1.142 - }
1.143 -
1.144 - @Override
1.145 - public void error(SAXParseException exception) throws SAXException {
1.146 - xmlerror.set(exception);
1.147 - passed.set(false);
1.148 - }
1.149 -
1.150 - @Override
1.151 - public void fatalError(SAXParseException exception) throws SAXException {
1.152 - xmlerror.set(exception);
1.153 - passed.set(false);
1.154 - }
1.155 -
1.156 - });
1.157 - Document doc = reader.read(in);
1.158 - if (!passed.get()) {
1.159 - // TODO: provide details (maybe via separate error object?)
1.160 - throw xmlerror.get();
1.161 - }
1.162 -
1.163 - doc.normalize();
1.164 -
1.165 - Element root = doc.getRootElement();
1.166 - metadata.read(root.element(TAG_METADATA));
1.167 -
1.168 - if (graph instanceof Graph) {
1.169 - readGraph(root.element(TAG_GRAPH));
1.170 - } else if (graph instanceof Digraph) {
1.171 - readGraph(root.element(TAG_DIGRAPH));
1.172 - } else {
1.173 - throw new IOException("unsupported graph type");
1.174 - }
1.175 - } catch (DocumentException | SAXException ex) {
1.176 - throw new IOException(ex);
1.177 - }
1.178 - }
1.179 -}
