hotspot/src/share/tools/IdealGraphVisualizer/BatikSVGProxy/src/com/sun/hotspot/igv/svg/BatikSVG.java
changeset 768 d0bebc7eefc2
child 5547 f4b087cbb361
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/tools/IdealGraphVisualizer/BatikSVGProxy/src/com/sun/hotspot/igv/svg/BatikSVG.java	Tue Jun 24 16:00:14 2008 -0700
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+package com.sun.hotspot.igv.svg;
+
+import java.awt.Graphics2D;
+import java.io.Writer;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import org.w3c.dom.DOMImplementation;
+
+/**
+ *
+ * @author Thomas Wuerthinger
+ */
+public class BatikSVG {
+
+    private static Constructor SVGGraphics2DConstructor;
+    private static Method Method_stream;
+    private static Method Method_createDefault;
+    private static Method Method_getDOMImplementation;
+    private static Method Method_setEmbeddedFontsOn;
+
+    public static Graphics2D createGraphicsObject() {
+        try {
+            if (SVGGraphics2DConstructor == null) {
+                ClassLoader cl = BatikSVG.class.getClassLoader();
+                Class Class_GenericDOMImplementation = cl.loadClass("org.apache.batik.dom.GenericDOMImplementation");
+                Class Class_SVGGeneratorContext = cl.loadClass("org.apache.batik.svggen.SVGGeneratorContext");
+                Class Class_SVGGraphics2D = cl.loadClass("org.apache.batik.svggen.SVGGraphics2D");
+                Method_getDOMImplementation = Class_GenericDOMImplementation.getDeclaredMethod("getDOMImplementation", new Class[0]);
+                Method_createDefault = Class_SVGGeneratorContext.getDeclaredMethod("createDefault", new Class[]{org.w3c.dom.Document.class});
+                Method_setEmbeddedFontsOn = Class_SVGGeneratorContext.getDeclaredMethod("setEmbeddedFontsOn", new Class[]{boolean.class});
+                Method_stream = Class_SVGGraphics2D.getDeclaredMethod("stream", Writer.class, boolean.class);
+                SVGGraphics2DConstructor = Class_SVGGraphics2D.getConstructor(Class_SVGGeneratorContext, boolean.class);
+            }
+            DOMImplementation dom = (DOMImplementation) Method_getDOMImplementation.invoke(null);
+            org.w3c.dom.Document document = dom.createDocument("http://www.w3.org/2000/svg", "svg", null);
+            Object ctx = Method_createDefault.invoke(null, document);
+            Method_setEmbeddedFontsOn.invoke(ctx, true);
+            Graphics2D svgGenerator = (Graphics2D) SVGGraphics2DConstructor.newInstance(ctx, true);
+            return svgGenerator;
+        } catch (ClassNotFoundException e) {
+            return null;
+        } catch (NoSuchMethodException e) {
+            return null;
+        } catch (IllegalAccessException e) {
+            return null;
+        } catch (InvocationTargetException e) {
+            return null;
+        } catch (InstantiationException e) {
+            return null;
+        }
+    }
+
+    public static void printToStream(Graphics2D svgGenerator, Writer stream, boolean useCSS) {
+        try {
+            Method_stream.invoke(svgGenerator, stream, useCSS);
+        } catch (IllegalAccessException e) {
+            assert false;
+        } catch (InvocationTargetException e) {
+            assert false;
+        }
+    }
+}