Document convertion

import com.sun.star.bridge.XUnoUrlResolver;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.uno.XComponentContext;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.frame.XComponentLoader;
import com.sun.star.frame.XStorable;
import com.sun.star.beans.PropertyValue;
import com.sun.star.beans.XPropertySet;

import java.io.File;
import java.io.FileFilter;
import java.io.FilenameFilter;





/** The class DocumentConverter allows you to convert all documents in
* a given directory and in its subdirectories to a given type. A converted
* document will be created in the same directory as the origin document.
*
*/
public class DirectoryPdf {
/** Containing the loaded documents
*/
static XComponentLoader xcomponentloader1 = null;
/** Containing the given type to convert to
*/
// static String stringConvertType = "PDF - Portable Document Format";
static String stringConvertType = "writer_pdf_Export";
/** Containing the given extension
*/
static String stringExtension = "pdf";
/** Containing the current file or directory
*/
static String indent = "";
private static Object xcomponentloader;

/** Traversing the given directory recursively and converting their files to the
* favoured type if possible
* @param fileDirectory Containing the directory
*/
static void traverse( File fileDirectory ) {
// Testing, if the file is a directory, and if so, it throws an exception
if ( !fileDirectory.isDirectory() ) {
throw new IllegalArgumentException(
"not a directory: " + fileDirectory.getName()
);
}

System.out.println(indent + "[" + fileDirectory.getName() + "]");
indent += " ";

// Getting all files and directories in the current directory
File[] entries = fileDirectory.listFiles(
new FileFilter() {
public boolean accept( File pathname ) {
return pathname.getName().endsWith("doc");
}
}
);

// Iterating for each file and directory
for ( int i = 0; i < entries.length; ++i ) {
// Testing, if the entry in the list is a directory
if ( entries[ i ].isDirectory() ) {
// Recursive call for the new directory
traverse( entries[ i ] );
} else {
// Converting the document to the favoured type
try {
// Composing the URL by replacing all backslashs
String stringUrl = "file:///"
+ entries[ i ].getAbsolutePath().replace( '\\', '/' );
System.out.println(entries[i] + ":" + stringUrl);
// Loading the wanted document
Object objectDocumentToStore =
((XComponentLoader) PDFConverter.getXcomponentloader()).loadComponentFromURL(
stringUrl, "_blank", 0, new PropertyValue[0] );

// Getting an object that will offer a simple way to store a document to a URL.
XStorable xstorable =
( XStorable ) UnoRuntime.queryInterface( XStorable.class,
objectDocumentToStore );

// Preparing properties for converting the document
PropertyValue propertyvalue[] = new PropertyValue[ 2 ];
// Setting the flag for overwriting
propertyvalue[ 0 ] = new PropertyValue();
propertyvalue[ 0 ].Name = "FilterName";
propertyvalue[0].Value = "writer_pdf_Export";

// Setting the filter name
propertyvalue[ 1 ] = new PropertyValue();
propertyvalue[ 1 ].Name = "FilterName";
propertyvalue[ 1 ].Value = PDFConverter.stringConvertType;

//new modification here
propertyvalue[1] = new PropertyValue();
propertyvalue[1].Name = "CompressionMode";
propertyvalue[1].Value = "1";


// Appending the favoured extension to the origin document name
int index = stringUrl.lastIndexOf(".");
stringUrl = stringUrl.substring(0, index + 1) + PDFConverter.stringExtension;

// Storing and converting the document
System.out.println(stringUrl + ":" + propertyvalue);
xstorable.storeToURL( stringUrl, propertyvalue );

// Getting the method dispose() for closing the document
XComponent xcomponent =
( XComponent ) UnoRuntime.queryInterface( XComponent.class,
xstorable );

// Closing the converted document
xcomponent.dispose();
}
catch( Exception exception ) {
exception.printStackTrace();
}

System.out.println(indent + entries[ i ].getName());
}
}

indent = indent.substring(2);
}

/** Connecting to the office with the component UnoUrlResolver and calling the
* static method traverse
* @param args The array of the type String contains the directory, in which all files should be
* converted, the favoured converting type and the wanted extension
*/
public static void main( String args[] ) {
try {

XComponentContext xComponentContext =
com.sun.star.comp.helper.Bootstrap.createInitialComponentContext( null );

/* Gets the service manager instance to be used (or null). This method has
been added for convenience, because the service manager is a often used
object. */
XMultiComponentFactory xMultiComponentFactory =
xComponentContext.getServiceManager();


/* Creates an instance of the component UnoUrlResolver which
supports the services specified by the factory. */
Object objectUrlResolver = xMultiComponentFactory.createInstanceWithContext(
"com.sun.star.bridge.UnoUrlResolver", xComponentContext );

// Create a new url resolver
XUnoUrlResolver xurlresolver = ( XUnoUrlResolver )
UnoRuntime.queryInterface( XUnoUrlResolver.class,
objectUrlResolver );

// Resolves an object that is specified as follow:
// uno:;;
Object objectInitial = xurlresolver.resolve( "uno:socket,host=localhost,port=8100;urp;StarOffice.ServiceManager" );

// Create a service manager from the initial object
xMultiComponentFactory = ( XMultiComponentFactory )
UnoRuntime.queryInterface( XMultiComponentFactory.class, objectInitial );

// Query for the XPropertySet interface.
XPropertySet xpropertysetMultiComponentFactory = ( XPropertySet )
UnoRuntime.queryInterface( XPropertySet.class, xMultiComponentFactory );

// Get the default context from the office server.
Object objectDefaultContext =
xpropertysetMultiComponentFactory.getPropertyValue( "DefaultContext" );

// Query for the interface XComponentContext.
xComponentContext = ( XComponentContext ) UnoRuntime.queryInterface(
XComponentContext.class, objectDefaultContext );

/* A desktop environment contains tasks with one or more
frames in which components can be loaded. Desktop is the
environment for components which can instanciate within
frames. */
xcomponentloader = ( XComponentLoader )
UnoRuntime.queryInterface( XComponentLoader.class,
xMultiComponentFactory.createInstanceWithContext(
"com.sun.star.frame.Desktop", xComponentContext ) );

// Getting the given starting directory
File file = new File("/home/anilgoud/Desktop/test");

// Getting the given type to convert to
//stringConvertType = "MS Word 97";
stringConvertType = "writer_pdf_Export";

// Getting the given extension that should be appended to the origin document
// stringExtension = "doc";
stringExtension = "pdf";
// Starting the conversion of documents in the given directory and subdirectories
traverse( file );

System.exit(0);
}
catch( Exception e ) {
e.printStackTrace();
}
}
}

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