eionet.gdem.conversion.converters.XMLConverter.java Source code

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Here is the source code for eionet.gdem.conversion.converters.XMLConverter.java

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/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is Web Dashboards Service
 *
 * The Initial Owner of the Original Code is European Environment
 * Agency (EEA).  Portions created by European Dynamics (ED) company are
 * Copyright (C) by European Environment Agency.  All Rights Reserved.
 *
 * Contributors(s):
 *    Original code: Nedeljko Pavlovic (ED)
 *                          Alfeldi Istvan (ED)
 */

package eionet.gdem.conversion.converters;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.commons.io.IOUtils;

import eionet.gdem.GDEMException;
import eionet.gdem.utils.Utils;

/**
 * Converts XML to XML.
 * @author Unknown
 * @author George Sofianos
 */
public class XMLConverter extends ConvertStrategy {

    @Override
    public String convert(InputStream source, InputStream xslt, OutputStream result, String cnvFileExt)
            throws GDEMException, Exception {
        String xmlFile = Utils.getUniqueTmpFileName("." + cnvFileExt);
        if (result != null) {
            runXslTransformation(source, xslt, result);
        } else {
            try {
                result = new FileOutputStream(xmlFile);
                runXslTransformation(source, xslt, result);
            } catch (IOException e) {
                throw new GDEMException("Error creating XML output file " + e.toString(), e);
            } finally {
                IOUtils.closeQuietly(result);
            }
        }
        return xmlFile;
    }

}