de.nrw.hbz.regal.sync.ingest.DippMapping.java Source code

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Here is the source code for de.nrw.hbz.regal.sync.ingest.DippMapping.java

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/*
 * Copyright 2012 hbz NRW (http://www.hbz-nrw.de/)
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package de.nrw.hbz.regal.sync.ingest;

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

import org.antlr.runtime.RecognitionException;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.culturegraph.mf.Flux;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author Jan Schnasse schnassse@hbz-nrw.de
 * 
 */
public class DippMapping {
    final static Logger logger = LoggerFactory.getLogger(DippMapping.class);

    /**
     * @param file
     *            the content of the file will be mapped. Expected: Dipp qdc
     *            stream.
     * @param pid
     *            the pid becomes the new subject
     * @return a lobid conform mapping of dipp qdc datastream
     */
    public String map(File file, String pid) {
        try {
            System.out.println(file.getAbsolutePath());
            return flux(file, pid);
        } catch (IOException e) {
            logger.error(e.getMessage());
        } catch (RecognitionException e) {
            logger.error(e.getMessage());
        }
        return null;
    }

    private String flux(File file, String pid) throws IOException, RecognitionException {
        File outfile = File.createTempFile("lobid", "rdf");
        outfile.deleteOnExit();
        System.out.println(
                Thread.currentThread().getContextClassLoader().getResource("dipp-qdc-to-lobid.flux").toString());
        File fluxFile = createFile("dipp-qdc-to-lobid.flux", "/tmp/dipp-qdc-to-lobid.flux");
        createFile("dipp-qdc-to-lobid.xml", "/tmp/dipp-qdc-to-lobid.xml");

        Flux.main(new String[] { fluxFile.getAbsolutePath(), "in=" + file.getAbsolutePath(),
                "out=" + outfile.getAbsolutePath(), "subject=" + pid });
        return FileUtils.readFileToString(outfile).trim();
    }

    private File createFile(String resourceName, String path) throws IOException {
        try (InputStream in = Thread.currentThread().getContextClassLoader().getResourceAsStream(resourceName)) {
            File tempFile = new File(path);
            tempFile.deleteOnExit();
            try (FileOutputStream out = new FileOutputStream(tempFile)) {
                IOUtils.copy(in, out);
                return tempFile;
            }
        }
    }
}