Added alternative example for FO to PDF, using javax.xml.parsers

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@197800 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 139 insertions, 0 deletions

diff --git a/examples/embedding/build.xml b/examples/embedding/build.xml
index c505475b1..b5c90ae1f 100644
--- a/examples/embedding/build.xml
+++ b/examples/embedding/build.xml
@@ -138,6 +138,15 @@
 		  </classpath>
 		</java>
 	</target>
+	<target name="example8" depends="compile" description="Runs the FO to PDF example using a SAXParser">
+		<echo message="Running the FO to PDF example using a SAXParser"/>
+		<java classname="${name}.ExampleFO2PDFUsingSAX" fork="yes">
+		  <classpath>
+		    <path refid="project.class.path"/>
+		    <pathelement location="${build.dest}"/>
+		  </classpath>
+		</java>
+	</target>
 	<!-- =================================================================== -->
 	<!-- Clean targets                                                       -->
 	<!-- =================================================================== -->
diff --git a/examples/embedding/java/embedding/ExampleFO2PDFUsingSAX.java b/examples/embedding/java/embedding/ExampleFO2PDFUsingSAX.java
new file mode 100644
index 000000000..ca949f365
--- /dev/null
+++ b/examples/embedding/java/embedding/ExampleFO2PDFUsingSAX.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright 1999-2004 The Apache Software Foundation.
+ * 
+ * Licensed 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 embedding;
+
+// Java
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+//JAXP
+import javax.xml.parsers.SAXParserFactory;
+import javax.xml.parsers.FactoryConfigurationError;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.ParserConfigurationException;
+
+//SAX
+import org.xml.sax.helpers.DefaultHandler;
+import org.xml.sax.SAXException;
+
+// FOP
+import org.apache.fop.apps.Driver;
+import org.apache.fop.apps.FOPException;
+
+/**
+ * This class demonstrates the conversion of an FO file to PDF using FOP.
+ * It uses a SAXParser with FOP as the DefaultHandler
+ */
+public class ExampleFO2PDFUsingSAX {
+
+    /**
+     * Converts an FO file to a PDF file using FOP
+     * @param fo the FO file
+     * @param pdf the target PDF file
+     * @throws FactoryConfigurationError
+     * @throws ParserConfigurationException
+     * @throws SAXException
+     * @throws IOException In case of an I/O problem
+     * @throws FOPException In case of a FOP problem
+     */
+    public void convertFO2PDF(File fo, File pdf)
+        throws FactoryConfigurationError,
+               ParserConfigurationException,
+               FOPException, SAXException, IOException {
+
+        OutputStream out = null;
+        
+        try {
+            // Construct driver and setup output format
+            Driver driver = new Driver();
+            driver.setRenderer(Driver.RENDER_PDF);
+    
+            // Setup output stream.  Note: Using BufferedOutputStream
+            // for performance reasons (helpful with FileOutputStreams).
+            out = new FileOutputStream(pdf);
+            out = new BufferedOutputStream(out);
+            driver.setOutputStream(out);
+
+            // Setup SAX parser
+            // throws FactoryConfigurationError
+            SAXParserFactory factory = SAXParserFactory.newInstance();
+            factory.setNamespaceAware(true);
+            // throws ParserConfigurationException
+            SAXParser parser = factory.newSAXParser();
+                
+            // Obtain FOP's DefaultHandler
+            // throws FOPException
+            DefaultHandler dh = driver.getDefaultHandler();
+
+            // Start parsing and FOP processing
+            // throws SAXException, IOException
+            parser.parse(fo, dh);
+
+        } finally {
+            out.close();
+        }
+    }
+
+
+    /**
+     * Main method.
+     * @param args command-line arguments
+     */
+    public static void main(String[] args) {
+        try {
+            System.out.println("FOP ExampleFO2PDFUsingSAX\n");
+            System.out.println("Preparing...");
+            
+            //Setup directories
+            File baseDir = new File(".");
+            File outDir = new File(baseDir, "out");
+            outDir.mkdirs();
+
+            //Setup input and output files            
+            File fofile = new File(baseDir, "xml/fo/helloworld.fo");
+            File pdffile = new File(outDir, "ResultFO2PDF.pdf");
+
+            System.out.println("Input: XSL-FO (" + fofile + ")");
+            System.out.println("Output: PDF (" + pdffile + ")");
+            System.out.println();
+            System.out.println("Transforming...");
+            
+            ExampleFO2PDFUsingSAX app = new ExampleFO2PDFUsingSAX();
+            app.convertFO2PDF(fofile, pdffile);
+            
+            System.out.println("Success!");
+        } catch (Exception e) {
+            e.printStackTrace(System.err);
+            System.exit(-1);
+        }
+    }
+}
+