Convert.java

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/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you 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 .
 */

package org.openoffice.xmerge;

import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;

import org.openoffice.xmerge.util.registry.ConverterInfo;

public class Convert implements Cloneable {

    private final ConverterInfo ci;

    private final boolean toOffice;

    private final ConvertData inputCD = new ConvertData();

    public Convert(ConverterInfo ci, boolean toOffice) {
        this.ci = ci;
        this.toOffice = toOffice;
    }

    public void addInputStream(String name, InputStream is)
        throws IOException {

        Document inputDoc;

        if (toOffice) {
            inputDoc = ci.getPluginFactory().createDeviceDocument(name, is);
        } else {
            inputDoc = ci.getPluginFactory().createOfficeDocument(name, is);
        }
        inputCD.addDocument(inputDoc);
    }

    public void addInputStream(String name, InputStream is,boolean isZip)
        throws IOException {

        Document inputDoc;

        if (toOffice) {
            inputDoc = ci.getPluginFactory().createDeviceDocument(name, is);
        } else {
            inputDoc = ci.getPluginFactory().createOfficeDocument(name, is, isZip);
        }
        inputCD.addDocument(inputDoc);
    }


    public DocumentMerger getDocumentMerger(Document origDoc) throws IOException {
        DocumentMergerFactory myDocMergerFactory = ci.getDocMergerFactory();
        DocumentMerger merger = myDocMergerFactory.createDocumentMerger(origDoc);
        return merger;
    }

    private void reset() {
        inputCD.reset();
    }

    @Override
    public Object clone() {

        Convert aClone = null;

        try {
            aClone = (Convert) super.clone();
            aClone.reset();
        }
        catch (CloneNotSupportedException e) {
            System.out.println("Convert clone could not be created");
        }
        return aClone;
    }

    public ConvertData convert() throws ConvertException, IOException {

        ConvertData dataOut = new ConvertData();

        if (toOffice) {

            // From device format to Office format

            DocumentDeserializerFactory myDocDeserializerFactory =
                ci.getDocDeserializerFactory();
            DocumentDeserializer deser =
                myDocDeserializerFactory.createDocumentDeserializer(inputCD);
            Document deviceDoc = deser.deserialize();


            dataOut.addDocument(deviceDoc);
            return dataOut;

        } else {

            // From Office format to device format

            DocumentSerializerFactory myDocSerializerFactory =
                ci.getDocSerializerFactory();

            Iterator<Object> e = inputCD.getDocumentEnumeration();

            Document doc = (Document) e.next();
            DocumentSerializer ser = myDocSerializerFactory.createDocumentSerializer(doc);
            dataOut = ser.serialize();

            return dataOut;
        }
    }

    public Document getOfficeDocument(String name, InputStream is)
        throws IOException {
        return ci.getPluginFactory().createOfficeDocument(name, is);
    }
}