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jodconverter-core
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//
// JODConverter - Java OpenDocument Converter
// Copyright 2004-2012 Mirko Nasato and contributors
//
// JODConverter is Open Source software, you can redistribute it and/or
// modify it under either (at your option) of the following licenses
//
// 1. The GNU Lesser General Public License v3 (or later)
//    -> http://www.gnu.org/licenses/lgpl-3.0.txt
// 2. The Apache License, Version 2.0
//    -> http://www.apache.org/licenses/LICENSE-2.0.txt
//
package org.artofsolving.jodconverter.cli;

import java.io.File;
import java.io.IOException;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.FilenameUtils;
import org.artofsolving.jodconverter.OfficeDocumentConverter;
import org.artofsolving.jodconverter.document.DefaultDocumentFormatRegistry;
import org.artofsolving.jodconverter.document.DocumentFormatRegistry;
import org.artofsolving.jodconverter.document.JsonDocumentFormatRegistry;
import org.artofsolving.jodconverter.office.OfficeManager;
import org.artofsolving.jodconverter.office.DefaultOfficeManagerConfiguration;
import org.json.JSONException;

/**
 * Command line interface executable.
 */
public class Convert {

    public static final int STATUS_OK = 0;
    public static final int STATUS_MISSING_INPUT_FILE = 1;
    public static final int STATUS_INVALID_ARGUMENTS = 255;

    private static final Option OPTION_OUTPUT_FORMAT = new Option("o", "output-format", true, "output format (e.g. pdf)");
    private static final Option OPTION_PORT = new Option("p", "port", true, "office socket port (optional; defaults to 2002)");
    private static final Option OPTION_REGISTRY = new Option("r", "registry", true, "document formats registry configuration file (optional)");
    private static final Option OPTION_TIMEOUT = new Option("t", "timeout", true, "maximum conversion time in seconds (optional; defaults to 120)");
    private static final Option OPTION_USER_PROFILE = new Option("u", "user-profile", true, "use settings from the given user installation dir (optional)");
    private static final Options OPTIONS = initOptions();

    private static final int DEFAULT_OFFICE_PORT = 2002;

    private static Options initOptions() {
        Options options = new Options();
        options.addOption(OPTION_OUTPUT_FORMAT);
        options.addOption(OPTION_PORT);
        options.addOption(OPTION_REGISTRY);
        options.addOption(OPTION_TIMEOUT);
        options.addOption(OPTION_USER_PROFILE);
        return options;
    }

    public static void main(String[] arguments) throws ParseException, JSONException, IOException {
        CommandLineParser commandLineParser = new PosixParser();
        CommandLine commandLine = commandLineParser.parse(OPTIONS, arguments);

        String outputFormat = null;
        if (commandLine.hasOption(OPTION_OUTPUT_FORMAT.getOpt())) {
            outputFormat = commandLine.getOptionValue(OPTION_OUTPUT_FORMAT.getOpt());
        }

        int port = DEFAULT_OFFICE_PORT;
        if (commandLine.hasOption(OPTION_PORT.getOpt())) {
            port = Integer.parseInt(commandLine.getOptionValue(OPTION_PORT.getOpt()));
        }

        String[] fileNames = commandLine.getArgs();
        if ((outputFormat == null && fileNames.length != 2) || fileNames.length < 1) {
            String syntax = "java -jar jodconverter-core.jar [options] input-file output-file\n"
                    + "or [options] -o output-format input-file [input-file...]";
            HelpFormatter helpFormatter = new HelpFormatter();
            helpFormatter.printHelp(syntax, OPTIONS);
            System.exit(STATUS_INVALID_ARGUMENTS);
        }

        DocumentFormatRegistry registry;
        if (commandLine.hasOption(OPTION_REGISTRY.getOpt())) {
            File registryFile = new File(commandLine.getOptionValue(OPTION_REGISTRY.getOpt()));
            registry = new JsonDocumentFormatRegistry(FileUtils.readFileToString(registryFile));
        } else {
            registry = new DefaultDocumentFormatRegistry();
        }

        DefaultOfficeManagerConfiguration configuration = new DefaultOfficeManagerConfiguration();
        configuration.setPortNumber(port);
        if (commandLine.hasOption(OPTION_TIMEOUT.getOpt())) {
            int timeout = Integer.parseInt(commandLine.getOptionValue(OPTION_TIMEOUT.getOpt()));
            configuration.setTaskExecutionTimeout(timeout * 1000);
        }
        if (commandLine.hasOption(OPTION_USER_PROFILE.getOpt())) {
            String templateProfileDir = commandLine.getOptionValue(OPTION_USER_PROFILE.getOpt());
            configuration.setTemplateProfileDir(new File(templateProfileDir));
        }

        OfficeManager officeManager = configuration.buildOfficeManager();
        officeManager.start();
        OfficeDocumentConverter converter = new OfficeDocumentConverter(officeManager, registry);
        try {
            if (outputFormat == null) {
                File inputFile = new File(fileNames[0]);
                File outputFile = new File(fileNames[1]);
                converter.convert(inputFile, outputFile);
            } else {
                for (int i = 0; i < fileNames.length; i++) {
                    File inputFile = new File(fileNames[i]);
                    String outputName = FilenameUtils.getBaseName(fileNames[i]) + "." + outputFormat;
                    File outputFile = new File(FilenameUtils.getFullPath(fileNames[i]) + outputName);
                    converter.convert(inputFile, outputFile);
                }
            }
        } finally {
            officeManager.stop();
        }
    }
    
}