[feature] Added fo processor adapter for AntennaHouse Formatter. To b…

…e extended, but works for now. svn path=/trunk/eXist/; revision=16993
eXist-db · Aug 22, 2012 · ffda3b7 · ffda3b7
1 parent b4de5e8
commit ffda3b7
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Showing 2 changed files with 90 additions and 3 deletions.
diff --git a/conf.xml.tmpl b/conf.xml.tmpl
@@ -829,17 +829,16 @@
             <module uri="http://xmlcalabash.com"                        class="org.exist.xquery.modules.xmlcalabash.XMLCalabashModule" />
             -->
 
-            <!-- 
+            <!--
                 XSLFO:
                 valid processor adapters are -
                 - org.exist.xquery.modules.xslfo.ApacheFopProcessorAdapter for Apache's FOP
                 - org.exist.xquery.modules.xslfo.RenderXXepProcessorAdapter for RenderX's XEP
+                - org.exist.xquery.modules.xslfo.AntennaHouseProcessorAdapter for AntennaHouse Formatter
             -->
-            <!--
             <module uri="http://exist-db.org/xquery/xslfo" class="org.exist.xquery.modules.xslfo.XSLFOModule">
                 <parameter name="processorAdapter" value="org.exist.xquery.modules.xslfo.ApacheFopProcessorAdapter"/>
             </module>
-            -->
 
             <!--
                 exiftool:

diff --git a/extensions/modules/src/org/exist/xquery/modules/xslfo/AntennaHouseProcessorAdapter.java b/extensions/modules/src/org/exist/xquery/modules/xslfo/AntennaHouseProcessorAdapter.java
@@ -0,0 +1,88 @@
+package org.exist.xquery.modules.xslfo;
+
+import org.apache.log4j.Logger;
+import org.exist.storage.DBBroker;
+import org.exist.storage.serializers.Serializer;
+import org.exist.util.serializer.SAXSerializer;
+import org.exist.xquery.XPathException;
+import org.exist.xquery.value.NodeValue;
+import org.xml.sax.ContentHandler;
+import org.xml.sax.SAXException;
+
+import javax.xml.transform.OutputKeys;
+import java.io.*;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Properties;
+
+/**
+ * Adapter for Antenna House XSL Formatter 5.0
+ */
+public class AntennaHouseProcessorAdapter implements ProcessorAdapter {
+
+    private final static Logger LOG = Logger.getLogger(AntennaHouseProcessorAdapter.class);
+
+    protected Class formatter;
+    protected Method renderMethod;
+    protected OutputStream out;
+    protected File xmlFile;
+    protected FileWriter xmlWriter;
+
+    @Override
+    public ContentHandler getContentHandler(DBBroker broker, NodeValue configFile, Properties parameters, String mimeType, OutputStream os) throws XPathException, SAXException {
+        this.out = os;
+        try {
+            LOG.info("Initializing AntennaHouse Formatter");
+            formatter = Class.forName("jp.co.antenna.XfoJavaCtl.XfoObj");
+            renderMethod = formatter.getMethod("render", InputStream.class, OutputStream.class, String.class);
+
+            xmlFile = File.createTempFile("xslfo", ".xml");
+            xmlWriter = new FileWriter(xmlFile);
+            Properties properties = new Properties();
+            properties.setProperty(OutputKeys.INDENT, "no");
+            FOContentHandler sax = new FOContentHandler(xmlWriter, properties);
+            return sax;
+        } catch (ClassNotFoundException e) {
+            throw new SAXException("Antenna Java API not found", e);
+        } catch (NoSuchMethodException e) {
+            throw new SAXException("Antenna Java API method not found", e);
+        } catch (IOException e) {
+            throw new SAXException("IO error caught while rendering FO");
+        }
+    }
+
+    @Override
+    public void cleanup() {
+        //To change body of implemented methods use File | Settings | File Templates.
+    }
+
+    private class FOContentHandler extends SAXSerializer {
+
+        public FOContentHandler(Writer writer, Properties outputProperties) {
+            super(writer, outputProperties);
+        }
+
+        @Override
+        public void startDocument() throws SAXException {
+            super.startDocument();
+            LOG.info("Started document");
+        }
+
+        @Override
+        public void endDocument() throws SAXException {
+            super.endDocument();
+            LOG.info("Transforming fo input: " + xmlFile.getAbsolutePath());
+
+            try {
+                xmlWriter.close();
+                FileInputStream is = new FileInputStream(xmlFile);
+
+                Object formatterObj = formatter.newInstance();
+
+                renderMethod.invoke(formatterObj, is, out, "@PDF");
+            } catch (Exception e) {
+                throw new SAXException(e.getMessage(), e);
+            }
+        }
+    }
+}