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Package containing tasks implemented using sambox.

There is a newer version: 5.1.6

/*
 * Created on 27 gen 2017
 * Copyright 2015 by Andrea Vacondio ([email protected]).
 * This file is part of Sejda.
 *
 * Sejda is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Sejda 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Sejda.  If not, see .
 */
package org.sejda.impl.sambox;

import static org.sejda.commons.util.IOUtils.closeQuietly;

import org.sejda.core.writer.context.ImageWriterContext;
import org.sejda.core.writer.model.ImageWriter;
import org.sejda.model.exception.TaskException;
import org.sejda.model.parameter.image.PdfToImageParameters;
import org.sejda.model.task.BaseTask;
import org.sejda.model.task.TaskExecutionContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Base implementation providing common behavior methods for tasks converting pdf documents to image format.
 * 
 * @param 
 *            the type of parameters.
 * @author Andrea Vacondio
 * 
 */
abstract class BasePdfToImageTask extends BaseTask {

    private static final Logger LOG = LoggerFactory.getLogger(BasePdfToImageTask.class);

    private ImageWriter writer;

    @Override
    public void before(T parameters, TaskExecutionContext executionContext) throws TaskException {
        super.before(parameters, executionContext);
        writer = ImageWriterContext.getContext().createImageWriter(parameters);
        LOG.trace("Found image writer {}", writer);
    }

    @Override
    public void after() {
        closeQuietly(writer);
    }

    ImageWriter getWriter() {
        return writer;
    }
}