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OpenOffice Api Problem(Doc file convert into Text file)

807606Apr 10 2007 — edited Apr 10 2007
Hi,
i am using openofiice api for doc file convert in to text file.
i have found sample code :but i am getting two Exception:java.io.UnsupportedEncodingException: 8859-1
com.sun.star.connection.NoConnectException: java.net.ConnectException: Connection refused: connect
Plz guide me , i am very tired from this problem


Here is Code
-
-

(This Is Servlet)

-package com.outworx.intranet.parser;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.BufferedInputStream;
import java.util.Enumeration;

// Servlet API
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletOutputStream;

// Helper API
import com.oreilly.servlet.MultipartRequest;
import com.oreilly.servlet.MultipartResponse;
import com.oreilly.servlet.ServletUtils;
//import com.oreilly.servlet.*;

// UNO API
import com.sun.star.bridge.XUnoUrlResolver;
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.util.XCloseable;
import com.sun.star.beans.PropertyValue;
import com.sun.star.beans.XPropertySet;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XMultiComponentFactory;


/** This class implements a http servlet in order to convert an incoming document
* with help of a running OpenOffice.org and to push the converted file back
* to the client.
*/
public class ConverterServlet extends HttpServlet {
/** Specifies the temporary directory on the web server.
*/
private String stringWorkingDirectory =
System.getProperty( "java.io.tmpdir" ).replace( '\\', '/' );

/** Specifies the host for the office server.
*/
private String stringHost = "localhost";

/** Specifies the port for the office server.
*/
private String stringPort = "2083";

/** Called by the server (via the service method) to allow a servlet to handle
* a POST request. The file from the client will be uploaded to the web server
* and converted on the web server and after all pushed to the client.
* @param request Object that contains the request the client has made of the servlet.
* @param response Object that contains the response the servlet sends to the client.
* @throws ServletException If the request for the POST could not be handled.
* @throws IOException If an input or output error is detected when the servlet handles the request.
*/
protected void doPost( HttpServletRequest request,
HttpServletResponse response) throws ServletException, java.io.IOException
{

try {
// If necessary, add a slash to the end of the string.
if ( !stringWorkingDirectory.endsWith( "/" ) ) {
stringWorkingDirectory += "/";
}

// Construct a MultipartRequest to help read the information.
// Pass in the request, a directory to save files to, and the
// maximum POST size we should attempt to handle.
MultipartRequest multipartrequest =
new MultipartRequest( request, stringWorkingDirectory, 5 * 1024 * 1024 );

// Getting all file names from the request
Enumeration files = multipartrequest.getFileNames();

// Every received file will be converted to the specified type
while (files.hasMoreElements()) {
// Getting the name from the element
String stringName = (String)files.nextElement();

// Getting the filename from the request
String stringFilename =
multipartrequest.getFilesystemName( stringName );

// Converting the given file on the server to the specified type and
// append a special extension
File cleanupFile = null;
String stringSourceFile = stringWorkingDirectory + stringFilename;

try {
System.out.println("Ashish");
System.out.println("stringSourceFile"+stringSourceFile);
System.out.println("multipartrequest.getParameter"+ multipartrequest.getParameter( "converttype" ));
System.out.println("3"+multipartrequest.getParameter( "extension" ));
String stringConvertedFile = convertDocument(stringSourceFile,multipartrequest.getParameter( "converttype" ),
multipartrequest.getParameter( "extension" ));
System.out.println("Ashish1");
String shortFileName = stringConvertedFile.substring(
stringConvertedFile.lastIndexOf('/') + 1);
System.out.println("AshishException");
// Set the response header
// Set the filename, is used when the file will be saved (problem with mozilla)
response.addHeader( "Content-Disposition",
"attachment; filename=" + shortFileName);

// Constructing the multi part response to the client
MultipartResponse multipartresponse = new MultipartResponse(response);

// Is the convert type HTML?
if ( ( multipartrequest.getParameter( "converttype" ).equals(
"swriter: HTML (StarWriter)" ) )
|| ( multipartrequest.getParameter( "converttype" ).equals(
"scalc: HTML (StarCalc)" ) ) ) {
// Setting the content type of the response being sent to the client
// to text
multipartresponse.startResponse( "text/html" );
} else {
// Setting the content type of the response being sent to the client
// to application/octet-stream so that file will open a dialog box
// at the client in order to save the converted file
multipartresponse.startResponse( "application/octet-stream" );
}

// Pushing the converted file to the client
ServletUtils.returnFile( stringConvertedFile,
response.getOutputStream() );

// Finishing the multi part response
multipartresponse.finish();

// clean up the working directory
cleanupFile = new File(stringConvertedFile);
if ( cleanupFile.exists() )
cleanupFile.delete();

} catch (Exception exc) {
response.setContentType( "text/html;charset=8859-1" );
PrintWriter out = response.getWriter();

exc.printStackTrace();

out.println( "<html><head>" );
out.println( " <title>" + "SDK Converter Servlet" + "</title>" );
out.println( "</head>" );
out.println( "<body><br><p>");
out.println( "<b>Sorry, the conversion failed!</b></p>");
out.println( "<p><b>Error Mesage:</b><br>" + exc.getMessage() + "<br>");
exc.printStackTrace(out);
out.println( "</p></body><html>");
}

// clean up the working directory
cleanupFile = new File(stringSourceFile);
if ( cleanupFile.exists() )
cleanupFile.delete();
}
}
catch (Exception exception) {
System.err.println( exception.toString() );
}
}

/** This method converts a document to a given type by using a running
* OpenOffice.org and saves the converted document to the specified
* working directory.
* @param stringDocumentName The full path name of the file on the server to be converted.
* @param stringConvertType Type to convert to.
* @param stringExtension This string will be appended to the file name of the converted file.
* @return The full path name of the converted file will be returned.
* @see stringWorkingDirectory
*/
private String convertDocument( String stringDocumentName,
String stringConvertType,
String stringExtension)
throws Exception
{
String stringConvertedFile = "";

// Converting the document to the favoured type
// try {
// Composing the URL
String stringUrl = "file:///" + stringDocumentName;

/* Bootstraps a component context with the jurt base components
registered. Component context to be granted to a component for running.
Arbitrary values can be retrieved from the context. */
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:<connection description>;<protocol description>;<initial object name>
Object objectInitial = xurlresolver.resolve(
"uno:socket,host=" + stringHost + ",port=" + stringPort +
";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 = ( XComponentLoader )
UnoRuntime.queryInterface( XComponentLoader.class,
xmulticomponentfactory.createInstanceWithContext(
"com.sun.star.frame.Desktop", xcomponentcontext ) );

// Preparing properties for loading the document
PropertyValue propertyvalue[] = new PropertyValue[ 1 ];
// Setting the flag for hidding the open document
propertyvalue[ 0 ] = new PropertyValue();
propertyvalue[ 0 ].Name = "Hidden";
propertyvalue[ 0 ].Value = new Boolean(true);

// Loading the wanted document
Object objectDocumentToStore =
xcomponentloader.loadComponentFromURL(
stringUrl, "_blank", 0, propertyvalue );

// 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 = new PropertyValue[ 2 ];
// Setting the flag for overwriting
propertyvalue[ 0 ] = new PropertyValue();
propertyvalue[ 0 ].Name = "Overwrite";
propertyvalue[ 0 ].Value = new Boolean(true);
// Setting the filter name
propertyvalue[ 1 ] = new PropertyValue();
propertyvalue[ 1 ].Name = "FilterName";
propertyvalue[ 1 ].Value = stringConvertType;

// Appending the favoured extension to the origin document name
int index = stringUrl.lastIndexOf('.');
if ( index >= 0 ) {
stringConvertedFile = stringUrl.substring(0, index) + "." + stringExtension;
} else {
stringConvertedFile = stringUrl + "." + stringExtension;
}

// Storing and converting the document
xstorable.storeAsURL( stringConvertedFile, propertyvalue );

XCloseable xcloseable = (XCloseable)UnoRuntime.queryInterface( XCloseable.class,xstorable );

// Closing the converted document
if ( xcloseable != null )
xcloseable.close(false);
else {
// If Xcloseable is not supported (older versions,
// use dispose() for closing the document
XComponent xComponent = ( XComponent ) UnoRuntime.queryInterface(
XComponent.class, xstorable );
xComponent.dispose();
}

// }
// catch( Exception exception ) {
// exception.printStackTrace();
// return( "" );
// }

if ( stringConvertedFile.startsWith( "file:///" ) ) {
// Truncating the beginning of the file name
stringConvertedFile = stringConvertedFile.substring( 8 );
}

// Returning the name of the converted file
return stringConvertedFile;
}
}


(This Is Jsp)
<html><head><title>Document Converter
</title></head><body>


<form action="/RACI/ConverterServlet" method=post enctype="multipart/form-data">
<table width="510" border="0">
<tr>
<td>Local document</td>
<td>
<input type=file size=50 maxlength=100000 name="DocumentToBeConverted">

</td>
</tr>
<tr>
<td>Target document type</td>
<td>
<select name="converttype">


<option>swriter: Text</option>

</select>
</td>
</tr>
<tr>
<td>Extension</td>

<td>
<input type=text name="extension">
</td>
</tr>
</table>





<input type=submit value="Convert">
</p>
</form>
</body></html>

(And This is Mapping File)


<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<display-name>Conversion</display-name>
<description>Converter servlet demo of the SDK.</description>
<servlet>
<servlet-name>ConverterServlet</servlet-name>
<servlet-class>com.outworx.intranet.parser.ConverterServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ConverterServlet</servlet-name>
<url-pattern>/ConverterServlet</url-pattern>
</servlet-mapping>

</web-app>
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Locked on May 8 2007
Added on Apr 10 2007
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