/**
 * The MIT License
 * Copyright (c) 2014-2015 Nick Guletskii
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.ng200.openolympus.services;

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

import org.apache.commons.exec.CommandLine;
import org.apache.commons.exec.DefaultExecutor;
import org.apache.commons.exec.ExecuteException;
import org.apache.commons.exec.ExecuteWatchdog;
import org.springframework.stereotype.Service;

@Service
public class TaskDescriptionProvider {
	public void transform(File from, File to) throws ExecuteException,
	IOException {
		final CommandLine commandLine = new CommandLine("pandoc");
		commandLine.addArgument("-f");
		commandLine.addArgument("markdown");
		commandLine.addArgument("-t");
		commandLine.addArgument("html5");
		commandLine.addArgument("-o");
		commandLine.addArgument(to.getAbsolutePath(), true);
		commandLine.addArgument(from.getAbsolutePath(), true);

		final DefaultExecutor executor = new DefaultExecutor();
		executor.setWatchdog(new ExecuteWatchdog(10 * 1000));
		executor.execute(commandLine);
	}
}

/**
 * The MIT License
 * Copyright (c) 2014-2015 Nick Guletskii
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.ng200.openolympus.services;

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 org.apache.commons.exec.CommandLine;
import org.apache.commons.exec.DefaultExecutor;
import org.apache.commons.exec.ExecuteException;
import org.apache.commons.exec.ExecuteWatchdog;
import org.apache.commons.exec.PumpStreamHandler;
import org.springframework.stereotype.Service;

@Service
public class TaskDescriptionProvider {

	public void transform(File from, File to) throws ExecuteException,
			IOException {
		final CommandLine commandLine = new CommandLine("pandoc");
		commandLine.addArgument("-f");
		commandLine.addArgument("markdown");
		commandLine.addArgument("-t");
		commandLine.addArgument("html5");
		final DefaultExecutor executor = new DefaultExecutor();

		try (InputStream f = new FileInputStream(from);
				OutputStream t = new FileOutputStream(to)) {
			executor.setStreamHandler(new PumpStreamHandler(t, System.err, f));
			executor.setWatchdog(new ExecuteWatchdog(10 * 1000));
			executor.execute(commandLine);
		}
	}
}

Fix pandoc integration