added new Exporter

now supports Attributes (for graphs)

graphs no longer retain their ui.class from the file it is now ignored

scopviz/src/main/java/de/tu_darmstadt/informatik/tk/scopviz/io/GraphMLExporter.java

@@ -32,7 +32,7 @@ public class GraphMLExporter {
 	 *            The Location on disk the File will be saved on
 	 */
 	public void writeGraph(final Graph g, final String fileName) {
-		FileSinkGraphML writer = new FileSinkGraphML();
+		FileSinkGraphML writer = new MyFileSinkGraphML();
 		clearAttributes(g);
 		try {
 			writer.writeAll(g, new FileOutputStream(fileName));

scopviz/src/main/java/de/tu_darmstadt/informatik/tk/scopviz/io/GraphMLImporter.java

@@ -47,6 +47,9 @@ public class GraphMLImporter {
 			e.printStackTrace();
 		}
 		fs.removeSink(g);
+		for(Node n : g.getNodeSet()){
+			n.removeAttribute("ui.class");
+		}
 		return g;
 	}
 
@@ -93,6 +96,9 @@ public class GraphMLImporter {
 			e.printStackTrace();
 		}
 		fs.removeSink(g);
+		for(Node n : g.getNodeSet()){
+			n.removeAttribute("ui.class");
+		}
 		return g;
 	}
 

scopviz/src/main/java/de/tu_darmstadt/informatik/tk/scopviz/io/MyFileSinkGraphML.java

@@ -0,0 +1,161 @@
+package de.tu_darmstadt.informatik.tk.scopviz.io;
+
+import java.io.IOException;
+import java.util.HashMap;
+
+import org.graphstream.graph.Edge;
+import org.graphstream.graph.Graph;
+import org.graphstream.graph.Node;
+import org.graphstream.stream.file.FileSinkGraphML;
+
+import de.tu_darmstadt.informatik.tk.scopviz.debug.Debug;
+
+
+public class MyFileSinkGraphML extends FileSinkGraphML{
+
+	private void print(String format, Object... args) throws IOException {
+		output.write(String.format(format, args));
+	}
+
+	@Override
+	protected void exportGraph(Graph g){
+		try {
+			int attribute = 0;
+			HashMap<String, String> nodeAttributes = new HashMap<String, String>();
+			HashMap<String, String> edgeAttributes = new HashMap<String, String>();
+			HashMap<String, String> graphAttributes = new HashMap<String, String>();
+			Debug.out(g.getAttributeCount());
+			for (String j : g.getAttributeKeySet()) {
+				if (!graphAttributes.containsKey(j)) {
+					Object gValue = g.getAttribute(j);
+					String gType;
+
+					if (gValue == null)
+						continue;
+
+					String gId = String.format("attr%04X", attribute++);
+
+					if (gValue instanceof Boolean)
+						gType = "boolean";
+					else if (gValue instanceof Long)
+						gType = "long";
+					else if (gValue instanceof Integer)
+						gType = "int";
+					else if (gValue instanceof Double)
+						gType = "double";
+					else if (gValue instanceof Float)
+						gType = "float";
+					else
+						gType = "string";
+
+					graphAttributes.put(j, gId);
+
+					print("\t<key id=\"%s\" for=\"graph\" attr.name=\"%s\" attr.type=\"%s\"/>\n",
+							gId, escapeXmlString(j), gType);
+				}
+			}
+
+			for (Node n : g.getEachNode()) {
+				for (String k : n.getAttributeKeySet()) {
+					if (!nodeAttributes.containsKey(k)) {
+						Object value = n.getAttribute(k);
+						String type;
+
+						if (value == null)
+							continue;
+
+						String id = String.format("attr%04X", attribute++);
+
+						if (value instanceof Boolean)
+							type = "boolean";
+						else if (value instanceof Long)
+							type = "long";
+						else if (value instanceof Integer)
+							type = "int";
+						else if (value instanceof Double)
+							type = "double";
+						else if (value instanceof Float)
+							type = "float";
+						else
+							type = "string";
+
+						nodeAttributes.put(k, id);
+
+						print("\t<key id=\"%s\" for=\"node\" attr.name=\"%s\" attr.type=\"%s\"/>\n",
+								id, escapeXmlString(k), type);
+					}
+				}
+			}
+
+			for (Edge n : g.getEachEdge()) {
+				for (String k : n.getAttributeKeySet()) {
+					if (!edgeAttributes.containsKey(k)) {
+						Object value = n.getAttribute(k);
+						String type;
+
+						if (value == null)
+							continue;
+
+						String id = String.format("attr%04X", attribute++);
+
+						if (value instanceof Boolean)
+							type = "boolean";
+						else if (value instanceof Long)
+							type = "long";
+						else if (value instanceof Integer)
+							type = "int";
+						else if (value instanceof Double)
+							type = "double";
+						else if (value instanceof Float)
+							type = "float";
+						else
+							type = "string";
+
+						edgeAttributes.put(k, id);
+						print("\t<key id=\"%s\" for=\"edge\" attr.name=\"%s\" attr.type=\"%s\"/>\n",
+								id, escapeXmlString(k), type);
+					}
+				}
+			}
+
+			print("\t<graph id=\"%s\" edgedefault=\"undirected\">\n", escapeXmlString(g.getId()));
+			for (String k : g.getAttributeKeySet()) {
+				print("\t\t\t<data key=\"%s\">%s</data>\n", graphAttributes
+						.get(k), escapeXmlString(g.getAttribute(k).toString()));
+			}
+			
+			for (Node n : g.getEachNode()) {
+				print("\t\t<node id=\"%s\">\n", n.getId());
+				for (String k : n.getAttributeKeySet()) {
+					print("\t\t\t<data key=\"%s\">%s</data>\n", nodeAttributes
+							.get(k), escapeXmlString(n.getAttribute(k).toString()));
+				}
+				print("\t\t</node>\n");
+			}
+			for (Edge e : g.getEachEdge()) {
+				print(
+						"\t\t<edge id=\"%s\" source=\"%s\" target=\"%s\" directed=\"%s\">\n",
+						e.getId(), e.getSourceNode().getId(), e.getTargetNode()
+						.getId(), e.isDirected());
+				for (String k : e.getAttributeKeySet()) {
+					print("\t\t\t<data key=\"%s\">%s</data>\n", edgeAttributes
+							.get(k), escapeXmlString(e.getAttribute(k).toString()));
+				}
+				print("\t\t</edge>\n");
+			}
+			print("\t</graph>\n");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+
+	private static String escapeXmlString(String s){
+		//why do you make me do this graphstream???
+		return s
+				.replace("&", "&amp;")
+				.replace("<", "&lt;")
+				.replace(">", "&gt;")
+				.replace("\"", "&quot;")
+				.replace("'", "&apos;");
+	}
+}