net.ageto.gyrex.impex.common.steps.impl.writers.FileWriter.java Source code

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Here is the source code for net.ageto.gyrex.impex.common.steps.impl.writers.FileWriter.java

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/*******************************************************************************
 * Copyright (c) 2010 AGETO Service GmbH and others.
 * All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html.
 *
 * Contributors:
 *     Mario Mokros - initial API and implementation
 *******************************************************************************/
package net.ageto.gyrex.impex.common.steps.impl.writers;

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

import net.ageto.gyrex.impex.common.steps.internal.ImpexStepsActivator;
import net.ageto.gyrex.impex.impl.BaseProcessStep;

import org.apache.commons.io.output.FileWriterWithEncoding;
import org.apache.commons.lang.CharEncoding;
import org.apache.commons.lang.StringUtils;

/**
 * A simple file writer.
 *
 */
public class FileWriter extends BaseProcessStep<FileWriterDefinition> {

    public static final String ID = ImpexStepsActivator.SYMBOLIC_NAME + ".file.writer";

    public FileWriter() {
        super(FileWriterDefinition.class);
    }

    @Override
    protected StatusStep process() {

        try {
            String filename = (String) getInputParam(FileWriterDefinition.InputParamNames.OUTPUT_FILENAME.name());

            if (StringUtils.isBlank(filename)) {
                processError("{0} missing input.", ID);
                return StatusStep.ERROR;
            }

            StringBuffer content = (StringBuffer) getInputParam(
                    FileWriterDefinition.InputParamNames.INPUT_CONTENT.name());

            FileWriterWithEncoding fw = new FileWriterWithEncoding(new File(filename), CharEncoding.UTF_8);
            fw.write(content.toString());
            fw.flush();

        } catch (IOException e) {
            processError("File could not be created.");
        }

        processInfo("{0} has been completed successfully.", ID);

        return StatusStep.OK;
    }
}