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 GEXFAttValue implements GEXFElement { 035 GEXF root; 036 037 String forId; 038 String value; 039 040 double start; 041 double end; 042 043 public GEXFAttValue(GEXF root, String forId, String value) { 044 this.root = root; 045 this.forId = forId; 046 this.value = value; 047 this.start = root.step; 048 this.end = Double.NaN; 049 } 050 051 /* 052 * (non-Javadoc) 053 * 054 * @see 055 * org.graphstream.stream.file.gexf.GEXFElement#export(org.graphstream.stream 056 * .file.gexf.SmartXMLWriter) 057 */ 058 public void export(SmartXMLWriter stream) throws XMLStreamException { 059 stream.startElement("attvalue"); 060 061 stream.stream.writeAttribute("for", forId); 062 stream.stream.writeAttribute("value", value); 063 064 if (Double.isNaN(end)) 065 end = root.step; 066 067 if (root.isExtensionEnable(Extension.DYNAMICS)) { 068 stream.stream.writeAttribute("start", 069 root.getTimeFormat().format.format(start)); 070 stream.stream.writeAttribute("end", 071 root.getTimeFormat().format.format(end)); 072 } 073 074 stream.endElement(); // ATTVALUE 075 } 076 077}