001/* 002 * Copyright 2006 - 2013 003 * Stefan Balev <stefan.balev@graphstream-project.org> 004 * Julien Baudry <julien.baudry@graphstream-project.org> 005 * Antoine Dutot <antoine.dutot@graphstream-project.org> 006 * Yoann Pigné <yoann.pigne@graphstream-project.org> 007 * Guilhelm Savin <guilhelm.savin@graphstream-project.org> 008 * 009 * GraphStream is a library whose purpose is to handle static or dynamic 010 * graph, create them from scratch, file or any source and display them. 011 * 012 * This program is free software distributed under the terms of two licenses, the 013 * CeCILL-C license that fits European law, and the GNU Lesser General Public 014 * License. You can use, modify and/ or redistribute the software under the terms 015 * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following 016 * URL <http://www.cecill.info> or under the terms of the GNU LGPL as published by 017 * the Free Software Foundation, either version 3 of the License, or (at your 018 * option) any later version. 019 * 020 * This program is distributed in the hope that it will be useful, but WITHOUT ANY 021 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 022 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 023 * 024 * You should have received a copy of the GNU Lesser General Public License 025 * along with this program. If not, see <http://www.gnu.org/licenses/>. 026 * 027 * The fact that you are presently reading this means that you have had 028 * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms. 029 */ 030package org.graphstream.stream.file.gexf; 031 032import javax.xml.stream.XMLStreamException; 033 034public class GEXFNode implements GEXFElement { 035 GEXF root; 036 037 String id; 038 String label; 039 040 GEXFAttValues attvalues; 041 GEXFSpells spells; 042 043 // 044 // VIZ Extension 045 float x; 046 float y; 047 float z; 048 boolean position; 049 050 // 051 052 public GEXFNode(GEXF root, String id) { 053 this.root = root; 054 055 this.id = id; 056 this.label = id; 057 058 spells = new GEXFSpells(root); 059 attvalues = new GEXFAttValues(root); 060 position = false; 061 } 062 063 /* 064 * (non-Javadoc) 065 * 066 * @see 067 * org.graphstream.stream.file.gexf.GEXFElement#export(org.graphstream.stream 068 * .file.gexf.SmartXMLWriter) 069 */ 070 public void export(SmartXMLWriter stream) throws XMLStreamException { 071 stream.startElement("node"); 072 073 stream.stream.writeAttribute("id", id); 074 stream.stream.writeAttribute("label", label); 075 076 if (position && root.isExtensionEnable(Extension.VIZ)) { 077 stream.startElement("viz:position"); 078 stream.stream.writeAttribute("x", Float.toString(x)); 079 stream.stream.writeAttribute("y", Float.toString(y)); 080 stream.stream.writeAttribute("z", Float.toString(z)); 081 stream.endElement(); // POSITION 082 } 083 084 attvalues.export(stream); 085 086 if (root.isExtensionEnable(Extension.DYNAMICS)) 087 spells.export(stream); 088 089 stream.endElement(); // SPELLS 090 } 091}