//
// JODConverter - Java OpenDocument Converter
// Copyright (C) 2004-2007 - Mirko Nasato <mirko@artofsolving.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
//
package com.artofsolving.jodconverter.openoffice.converter;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.Map;
import org.apache.commons.io.FilenameUtils;
import com.artofsolving.jodconverter.DocumentConverter;
import com.artofsolving.jodconverter.DocumentFormat;
import com.artofsolving.jodconverter.DocumentFormatRegistry;
import com.artofsolving.jodconverter.XmlDocumentFormatRegistry;
import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeConnection;
import com.sun.star.beans.PropertyValue;
import com.sun.star.lang.XComponent;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.util.XRefreshable;
public abstract class AbstractOpenOfficeDocumentConverter implements DocumentConverter {
protected OpenOfficeConnection openOfficeConnection;
private DocumentFormatRegistry documentFormatRegistry;
public AbstractOpenOfficeDocumentConverter(OpenOfficeConnection connection) {
this(connection, new XmlDocumentFormatRegistry());
}
public AbstractOpenOfficeDocumentConverter(OpenOfficeConnection openOfficeConnection, DocumentFormatRegistry documentFormatRegistry) {
this.openOfficeConnection = openOfficeConnection;
this.documentFormatRegistry = documentFormatRegistry;
}
protected DocumentFormatRegistry getDocumentFormatRegistry() {
return documentFormatRegistry;
}
public void convert(File inputFile, File outputFile) {
convert(inputFile, outputFile, null);
}
public void convert(File inputFile, File outputFile, DocumentFormat outputFormat) {
convert(inputFile, null, outputFile, outputFormat);
}
public void convert(InputStream inputStream, DocumentFormat inputFormat, OutputStream outputStream, DocumentFormat outputFormat) {
ensureNotNull("inputStream", inputStream);
ensureNotNull("inputFormat", inputFormat);
ensureNotNull("outputStream", outputStream);
ensureNotNull("outputFormat", outputFormat);
convertInternal(inputStream, inputFormat, outputStream, outputFormat);
}
public void convert(File inputFile, DocumentFormat inputFormat, File outputFile, DocumentFormat outputFormat) {
ensureNotNull("inputFile", inputFile);
ensureNotNull("outputFile", outputFile);
if (!inputFile.exists()) {
throw new IllegalArgumentException("inputFile doesn't exist: " + inputFile);
}
if (inputFormat == null) {
inputFormat = guessDocumentFormat(inputFile);
}
if (outputFormat == null) {
outputFormat = guessDocumentFormat(outputFile);
}
if (!inputFormat.isImportable()) {
throw new IllegalArgumentException("unsupported input format: " + inputFormat.getName());
}
if (!inputFormat.isExportableTo(outputFormat)) {
throw new IllegalArgumentException("unsupported conversion: from " + inputFormat.getName() + " to " + outputFormat.getName());
}
convertInternal(inputFile, inputFormat, outputFile, outputFormat);
}
protected abstract void convertInternal(InputStream inputStream, DocumentFormat inputFormat, OutputStream outputStream, DocumentFormat outputFormat);
protected abstract void convertInternal(File inputFile, DocumentFormat inputFormat, File outputFile, DocumentFormat outputFormat);
private void ensureNotNull(String argumentName, Object argumentValue) {
if (argumentValue == null) {
throw new IllegalArgumentException(argumentName + " is null");
}
}
private 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;
}
protected void refreshDocument(XComponent document) {
XRefreshable refreshable = (XRefreshable) UnoRuntime.queryInterface(XRefreshable.class, document);
if (refreshable != null) {
refreshable.refresh();
}
}
protected static PropertyValue property(String name, Object value) {
PropertyValue property = new PropertyValue();
property.Name = name;
property.Value = value;
return property;
}
protected static PropertyValue[] toPropertyValues(Map/*<String,Object>*/ properties) {
PropertyValue[] propertyValues = new PropertyValue[properties.size()];
int i = 0;
for (Iterator iter = properties.entrySet().iterator(); iter.hasNext();) {
Map.Entry entry = (Map.Entry) iter.next();
propertyValues[i++] = property((String) entry.getKey(), entry.getValue());
}
return propertyValues;
}
}