1 files changed, 116 insertions, 0 deletions
diff --git a/src/sandbox/org/apache/fop/render/svg/AbstractSVGDocumentHandler.java b/src/sandbox/org/apache/fop/render/svg/AbstractSVGDocumentHandler.java
new file mode 100644
index 000000000..fbb6728ca
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+++ b/src/sandbox/org/apache/fop/render/svg/AbstractSVGDocumentHandler.java
@@ -0,0 +1,116 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* $Id$ */
+
+package org.apache.fop.render.svg;
+
+import org.xml.sax.SAXException;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import org.apache.xmlgraphics.xmp.Metadata;
+
+import org.apache.fop.fonts.FontInfo;
+import org.apache.fop.render.intermediate.AbstractXMLWritingIFDocumentHandler;
+import org.apache.fop.render.intermediate.IFDocumentHandlerConfigurator;
+import org.apache.fop.render.intermediate.IFException;
+import org.apache.fop.render.intermediate.IFState;
+import org.apache.fop.render.java2d.Java2DUtil;
+
+/**
+ * Abstract base class for SVG Painter implementations.
+ */
+public abstract class AbstractSVGDocumentHandler extends AbstractXMLWritingIFDocumentHandler
+            implements SVGConstants {
+
+    /** logging instance */
+    private static Log log = LogFactory.getLog(AbstractSVGDocumentHandler.class);
+
+    /** Font configuration */
+    protected FontInfo fontInfo;
+
+    /** Holds the intermediate format state */
+    protected IFState state;
+
+    private static final int MODE_NORMAL = 0;
+    private static final int MODE_TEXT = 1;
+
+    private int mode = MODE_NORMAL;
+
+    /** {@inheritDoc} */
+    protected String getMainNamespace() {
+        return NAMESPACE;
+    }
+
+    /** {@inheritDoc} */
+    public FontInfo getFontInfo() {
+        return this.fontInfo;
+    }
+
+    /** {@inheritDoc} */
+    public void setFontInfo(FontInfo fontInfo) {
+        this.fontInfo = fontInfo;
+    }
+
+    /** {@inheritDoc} */
+    public void setDefaultFontInfo(FontInfo fontInfo) {
+        FontInfo fi = Java2DUtil.buildDefaultJava2DBasedFontInfo(fontInfo, getUserAgent());
+        setFontInfo(fi);
+    }
+
+    /** {@inheritDoc} */
+    public IFDocumentHandlerConfigurator getConfigurator() {
+        return null; //No configurator, yet.
+    }
+
+    /** {@inheritDoc} */
+    public void startDocumentHeader() throws IFException {
+        try {
+            handler.startElement("defs");
+        } catch (SAXException e) {
+            throw new IFException("SAX error in startDocumentHeader()", e);
+        }
+    }
+
+    /** {@inheritDoc} */
+    public void endDocumentHeader() throws IFException {
+        try {
+            handler.endElement("defs");
+        } catch (SAXException e) {
+            throw new IFException("SAX error in startDocumentHeader()", e);
+        }
+    }
+
+    /** {@inheritDoc} */
+    public void handleExtensionObject(Object extension) throws IFException {
+        if (extension instanceof Metadata) {
+            Metadata meta = (Metadata)extension;
+            try {
+                handler.startElement("metadata");
+                meta.toSAX(this.handler);
+                handler.endElement("metadata");
+            } catch (SAXException e) {
+                throw new IFException("SAX error while handling extension object", e);
+            }
+        } else {
+            log.debug("Don't know how to handle extension object. Ignoring: "
+                    + extension + " (" + extension.getClass().getName() + ")");
+        }
+    }
+}