//
// DokeosConverter using JODConverter - Java OpenDocument Converter
// Eric Marguin <e.marguin@elixir-interactive.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
// http://www.gnu.org/copyleft/lesser.html
//
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;
import com.artofsolving.jodconverter.DocumentConverter;
import com.artofsolving.jodconverter.DocumentFormat;
import com.artofsolving.jodconverter.DocumentFormatRegistry;
import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeConnection;
import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeException;
import com.artofsolving.jodconverter.openoffice.converter.AbstractOpenOfficeDocumentConverter;
import com.artofsolving.jodconverter.openoffice.converter.StreamOpenOfficeDocumentConverter;
import com.sun.star.beans.PropertyValue;
import com.sun.star.container.XNamed;
import com.sun.star.document.XExporter;
import com.sun.star.document.XFilter;
import com.sun.star.drawing.XDrawPage;
import com.sun.star.drawing.XDrawPages;
import com.sun.star.drawing.XDrawPagesSupplier;
import com.sun.star.frame.XComponentLoader;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.ucb.XFileIdentifierConverter;
import com.sun.star.uno.UnoRuntime;
/**
* Default file-based {@link DocumentConverter} implementation.
* <p>
* This implementation passes document data to and from the OpenOffice.org
* service as file URLs.
* <p>
* File-based conversions are faster than stream-based ones (provided by
* {@link StreamOpenOfficeDocumentConverter}) but they require the
* OpenOffice.org service to be running locally and have the correct
* permissions to the files.
*
* @see StreamOpenOfficeDocumentConverter
*/
public abstract class AbstractDokeosDocumentConverter extends AbstractOpenOfficeDocumentConverter {
int width;
int height;
public AbstractDokeosDocumentConverter(OpenOfficeConnection connection, int width, int height) {
super(connection);
this.width = width;
this.height = height;
}
public AbstractDokeosDocumentConverter(OpenOfficeConnection connection, DocumentFormatRegistry formatRegistry, int width, int height) {
super(connection, formatRegistry);
this.width = width;
this.height = height;
}
/**
* In this file-based implementation, streams are emulated using temporary files.
*/
protected void convertInternal(InputStream inputStream, DocumentFormat inputFormat, OutputStream outputStream, DocumentFormat outputFormat) {
File inputFile = null;
File outputFile = null;
try {
inputFile = File.createTempFile("document", "." + inputFormat.getFileExtension());
OutputStream inputFileStream = null;
try {
inputFileStream = new FileOutputStream(inputFile);
IOUtils.copy(inputStream, inputFileStream);
} finally {
IOUtils.closeQuietly(inputFileStream);
}
outputFile = File.createTempFile("document", "." + outputFormat.getFileExtension());
convert(inputFile, inputFormat, outputFile, outputFormat);
InputStream outputFileStream = null;
try {
outputFileStream = new FileInputStream(outputFile);
IOUtils.copy(outputFileStream, outputStream);
} finally {
IOUtils.closeQuietly(outputFileStream);
}
} catch (IOException ioException) {
throw new OpenOfficeException("conversion failed", ioException);
} finally {
if (inputFile != null) {
inputFile.delete();
}
if (outputFile != null) {
outputFile.delete();
}
}
}
protected void convertInternal(File inputFile, DocumentFormat inputFormat, File outputFile, DocumentFormat outputFormat) {
Map/*<String,Object>*/ loadProperties = new HashMap();
loadProperties.putAll(getDefaultLoadProperties());
loadProperties.putAll(inputFormat.getImportOptions());
Map/*<String,Object>*/ storeProperties = outputFormat.getExportOptions(inputFormat.getFamily());
synchronized (openOfficeConnection) {
XFileIdentifierConverter fileContentProvider = openOfficeConnection.getFileContentProvider();
String inputUrl = fileContentProvider.getFileURLFromSystemPath("", inputFile.getAbsolutePath());
String outputUrl = fileContentProvider.getFileURLFromSystemPath("", outputFile.getAbsolutePath());
try {
loadAndExport(inputUrl, loadProperties, outputUrl, storeProperties);
} catch (OpenOfficeException openOfficeException) {
throw openOfficeException;
} catch (Throwable throwable) {
// difficult to provide finer grained error reporting here;
// OOo seems to throw ErrorCodeIOException most of the time
throw new OpenOfficeException("conversion failed", throwable);
}
}
}
abstract protected void loadAndExport(String inputUrl, Map/*<String,Object>*/ loadProperties, String outputUrl, Map/*<String,Object>*/ storeProperties) throws Exception;
protected DocumentFormat guessDocumentFormat(File file) {
String extension = FilenameUtils.getExtension(file.getName());
DocumentFormat format = getDocumentFormatRegistry().getFormatByFileExtension(extension);
if (format == null) {
//throw new IllegalArgumentException("unknown document format for file: " + file);
}
return format;
}
}