/* DiagramParser.java -- Deserializer for diagrams. Copyright (C) 2005 The University of Sheffield. This file is part of the CASheW-s editor Eclipse plug-in. The CASheW-s editor Eclipse plug-in is free software; you may copy, modify, and redistribute it under the terms of the GNU General Public License version 2 (or, at your option, any later version), and/or the Eclipse Public License version 1.0. The CASheW-s editor 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 General Public License for more details. You should have received a copy of the GNU General Public License along with The CASheW-s editor; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. The University of Sheffield makes available all content in this plug-in ("Content"). Unless otherwise indicated below, the Content is provided to you under the terms and conditions of the Eclipse Public License Version 1.0 ("EPL"). A copy of the EPL is available at http://www.eclipse.org/legal/epl-v10.html. For purposes of the EPL, "Program" will mean the Content. If you did not receive this Content directly from the University of Sheffield, the Content is being redistributed by another party ("Redistributor") and different terms and conditions may apply to your use of any object code in the Content. Check the Redistributor's license that was provided with the Content. If no such license exists, contact the Redistributor. Unless otherwise indicated below, the terms and conditions of the EPL still apply to any source code in the Content. */ package nongnu.cashews.eclipse.composer.model; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import org.eclipse.draw2d.geometry.Point; import org.xml.sax.Attributes; import org.xml.sax.helpers.DefaultHandler; /** * @author Ravish * * */ public class DiagramParser extends DefaultHandler { private Diagram d; private List sourceList; private List targetList; // protected List nodes = new ArrayList(); public DiagramParser() { super(); } public void startDocument() { d = new Diagram(); sourceList = new ArrayList(); targetList = new ArrayList(); } public void endDocument() { if (d.nodes.size() <= 1) { return; } Iterator targetNames = targetList.iterator(); int diagramNodeCount = 0; List diagramNodes = d.getNodes(); String targetNodeName; diagramNodeCount = 0; while (targetNames.hasNext()) { targetNodeName = (String) targetNames.next(); Node sourceNode = (Node) diagramNodes.get(diagramNodeCount); Iterator j = d.getNodes().iterator(); Node targetNode; while (j.hasNext()) { targetNode = (Node) j.next(); if (targetNode.getName().equals(targetNodeName)) { // if (sourceNode.outputs == null) sourceNode.outputs = null; sourceNode.outputs = new ArrayList(); new Connection(sourceNode, targetNode); } } diagramNodeCount++; } int max = 0; for (int k = 0; k < d.nodes.size(); k++) { Node cur = (Node) d.nodes.get(k); int tmp = Integer.parseInt(cur.getName().substring(8)); if (cur.getName().startsWith("Untitled") && tmp > max) { max = tmp; } } NodeRegistrar.setMax(max); } public void startElement(String uri, String name, String qName, Attributes atts) { if (name.equals("WorkflowDiagram")) { return; } Node n; Point p; p = new Point(); if (name.equals("RectangleNode")) { p.setLocation(Integer.parseInt(atts.getValue(1)), Integer.parseInt(atts.getValue(2))); n = new RectangleNode(atts.getValue(0)); n.setLocation(p); n.outputs = null; d.addNode(n); } else if (name.equals("EllipseNode")) { p.setLocation(Integer.parseInt(atts.getValue(1)), Integer.parseInt(atts.getValue(2))); n = new EllipseNode(atts.getValue(0)); n.setLocation(p); n.outputs = null; d.addNode(n); } else if (name.equals("OutgoingEdge")) { List temp = d.getNodes(); Node s = (Node) temp.get(temp.size() - 1); String source = s.getName(); String target = (String) atts.getValue(0); sourceList.add(source); targetList.add(target); } } public void endElement(String uri, String name, String qName) { } public Diagram getDiagram() { return d; } }