/*
* Copyright (C) 2008-2015 by Holger Arndt
*
* This file is part of the Universal Java Matrix Package (UJMP).
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership and licensing.
*
* UJMP 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
* of the License, or (at your option) any later version.
*
* UJMP 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 UJMP; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
package org.ujmp.core.io;
public class ImportMatrixGRAPHML {
// private XMLEventReader eventReader = null;
//
// private XMLEvent currentEvent = null;
//
// private List keys = new ArrayList();
//
// private Map nodeMap = new HashMap();
//
// public ImportMatrixGRAPHML() {
// }
//
// public static final Matrix fromString(String string, Object...
// parameters)
// , XMLStreamException {
// StringReader sr = new StringReader(string);
// IntelligentFileReader r = new IntelligentFileReader(sr);
// Matrix m = fromReader(r, parameters);
// r.close();
// return m;
// }
//
// public static final Matrix fromStream(InputStream stream, Object...
// parameters)
// , IOException, XMLStreamException {
// InputStreamReader r = new InputStreamReader(stream);
// Matrix m = fromReader(r, parameters);
// r.close();
// return m;
// }
//
// public static final Matrix fromFile(File file, Object... parameters) ,
// IOException, XMLStreamException {
// FileReader lr = new FileReader(file);
// Matrix m = fromReader(lr, parameters);
// lr.close();
// return m;
// }
//
// private void skipCharacters() throws XMLStreamException {
// while (currentEvent.getEventType() == XMLEvent.CHARACTERS) {
// currentEvent = eventReader.nextEvent();
// // ignore
// }
// }
//
// private void skipStartDocument() throws XMLStreamException {
// if (currentEvent.getEventType() == XMLEvent.START_DOCUMENT) {
// currentEvent = eventReader.nextEvent();
// // ignore
// }
// }
//
// private void skipStartTag() throws XMLStreamException {
// if (currentEvent.getEventType() == XMLEvent.START_ELEMENT) {
// currentEvent = eventReader.nextEvent();
// // ignore
// }
// }
//
// private void skipEndTag() throws XMLStreamException {
// if (currentEvent.getEventType() == XMLEvent.END_ELEMENT) {
// currentEvent = eventReader.nextEvent();
// // ignore
// }
// }
//
// private void addKey() throws XMLStreamException {
// if ("key".equals(currentEvent.asStartElement().getName().getLocalPart()))
// {
// StartElement element = currentEvent.asStartElement();
// Key key = new Key();
// key.id = element.getAttributeByName(new QName("id")).getValue();
// key._for = element.getAttributeByName(new QName("for")).getValue();
// key.attr_name = element.getAttributeByName(new
// QName("attr.name")).getValue();
// key.attr_type = element.getAttributeByName(new
// QName("attr.type")).getValue();
// currentEvent = eventReader.nextEvent();
// skipCharacters();
// if (currentEvent.getEventType() == XMLEvent.START_ELEMENT
// &&
// "default".equals(currentEvent.asStartElement().getName().getLocalPart()))
// {
// // skip default
// currentEvent = eventReader.nextEvent();
// skipCharacters();
// if
// (!"default".equals(currentEvent.asEndElement().getName().getLocalPart()))
// {
// throw new RuntimeException("xml does not have excected format: " +
// currentEvent);
// }
// currentEvent = eventReader.nextEvent();
// }
// if (!"key".equals(currentEvent.asEndElement().getName().getLocalPart()))
// {
// throw new RuntimeException("xml does not have excected format: " +
// currentEvent);
// }
// currentEvent = eventReader.nextEvent();
// keys.add(key);
// }
// }
//
// private void addNode(GraphMatrix matrix) throws XMLStreamException {
// if
// ("node".equals(currentEvent.asStartElement().getName().getLocalPart())) {
// StartElement element = currentEvent.asStartElement();
// String id = element.getAttributeByName(new QName("id")).getValue();
//
// currentEvent = eventReader.nextEvent();
// skipCharacters();
//
// MapMatrix node = new DefaultMapMatrix();
// node.setLabel(id);
//
// while (currentEvent.getEventType() == XMLEvent.START_ELEMENT
// && "data".equals(currentEvent.asStartElement().getName().getLocalPart()))
// {
// String key = currentEvent.asStartElement().getAttributeByName(new
// QName("key"))
// .getValue();
// currentEvent = eventReader.nextEvent();
// String data = currentEvent.asCharacters().getData();
// currentEvent = eventReader.nextEvent();
// if (!"data".equals(currentEvent.asEndElement().getName().getLocalPart()))
// {
// throw new RuntimeException("xml does not have excected format: " +
// currentEvent);
// }
// currentEvent = eventReader.nextEvent();
// skipCharacters();
//
// node.put(key, data);
// }
// if (!"node".equals(currentEvent.asEndElement().getName().getLocalPart()))
// {
// throw new RuntimeException("xml does not have excected format: " +
// currentEvent);
// }
// currentEvent = eventReader.nextEvent();
//
// nodeMap.put(id, matrix.getRowCount());
// matrix.addNode(node);
// }
// }
//
// private void addEdge(GraphMatrix matrix) throws XMLStreamException {
// if
// ("edge".equals(currentEvent.asStartElement().getName().getLocalPart())) {
// StartElement element = currentEvent.asStartElement();
// String id = element.getAttributeByName(new QName("id")).getValue();
// String source = element.getAttributeByName(new
// QName("source")).getValue();
// String target = element.getAttributeByName(new
// QName("target")).getValue();
//
// currentEvent = eventReader.nextEvent();
// skipCharacters();
//
// MapMatrix edge = new DefaultMapMatrix();
// edge.setLabel(id);
//
// while (currentEvent.getEventType() == XMLEvent.START_ELEMENT
// && "data".equals(currentEvent.asStartElement().getName().getLocalPart()))
// {
// String key = currentEvent.asStartElement().getAttributeByName(new
// QName("key"))
// .getValue();
// currentEvent = eventReader.nextEvent();
// String data = currentEvent.asCharacters().getData();
// currentEvent = eventReader.nextEvent();
// if (!"data".equals(currentEvent.asEndElement().getName().getLocalPart()))
// {
// throw new RuntimeException("xml does not have excected format: " +
// currentEvent);
// }
// currentEvent = eventReader.nextEvent();
// skipCharacters();
//
// edge.put(key, data);
// }
// if (!"edge".equals(currentEvent.asEndElement().getName().getLocalPart()))
// {
// throw new RuntimeException("xml does not have excected format: " +
// currentEvent);
// }
// currentEvent = eventReader.nextEvent();
//
// long sourceId = nodeMap.get(source);
// long targetId = nodeMap.get(target);
//
// matrix.setEdge(edge, sourceId, targetId);
// }
// }
//
// private List parseGraphML() throws XMLStreamException {
// List result = new ArrayList();
// if
// ("graphml".equals(currentEvent.asStartElement().getName().getLocalPart()))
// {
//
// currentEvent = eventReader.nextEvent();
// skipCharacters();
//
// while (currentEvent.getEventType() == XMLEvent.START_ELEMENT
// && "key".equals(currentEvent.asStartElement().getName().getLocalPart()))
// {
// addKey();
// skipCharacters();
// }
//
// while (currentEvent.getEventType() == XMLEvent.START_ELEMENT
// &&
// "graph".equals(currentEvent.asStartElement().getName().getLocalPart())) {
// Matrix m = parseGraph();
// result.add(m);
// skipCharacters();
// }
//
// } else {
// throw new RuntimeException("xml does not have excected format: " +
// currentEvent);
// }
// return result;
// }
//
// private GraphMatrix parseGraph() throws XMLStreamException {
// GraphMatrix matrix = new DefaultGraphMatrix();
// if
// ("graph".equals(currentEvent.asStartElement().getName().getLocalPart()))
// {
//
// StartElement element = currentEvent.asStartElement();
// String id = element.getAttributeByName(new QName("id")).getValue();
// String edgedefault = element.getAttributeByName(new
// QName("edgedefault")).getValue();
//
// currentEvent = eventReader.nextEvent();
// skipCharacters();
//
// while (currentEvent.getEventType() == XMLEvent.START_ELEMENT
// && "node".equals(currentEvent.asStartElement().getName().getLocalPart()))
// {
// addNode(matrix);
// skipCharacters();
// }
//
// while (currentEvent.getEventType() == XMLEvent.START_ELEMENT
// && "edge".equals(currentEvent.asStartElement().getName().getLocalPart()))
// {
// addEdge(matrix);
// skipCharacters();
// }
//
// } else {
// throw new RuntimeException("xml does not have excected format: " +
// currentEvent);
// }
// return matrix;
// }
//
// public Matrix read(Reader reader) , XMLStreamException {
// XMLInputFactory inputFactory = XMLInputFactory.newInstance();
// eventReader = inputFactory.createXMLEventReader(reader);
// currentEvent = eventReader.nextEvent();
//
// skipCharacters();
// skipStartDocument();
// skipCharacters();
// Matrix graph = parseGraphML().get(0);
//
// eventReader.close();
//
// return graph;
// }
//
// public static final Matrix fromReader(Reader reader, Object...
// parameters)
// , XMLStreamException {
// return new ImportMatrixGRAPHML().read(reader);
//
// }
//
// class Key {
// public String id;
//
// public String _for;
//
// public String attr_name;
//
// public String attr_type;
//
// }
}
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