de.tudarmstadt.ukp.wikipedia.wikimachine.factory.SpringFactory.java Source code

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Here is the source code for de.tudarmstadt.ukp.wikipedia.wikimachine.factory.SpringFactory.java

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/*******************************************************************************
 * Copyright (c) 2010 Torsten Zesch.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v3
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 * 
 * Contributors:
 *     Torsten Zesch - initial API and implementation
 ******************************************************************************/
package de.tudarmstadt.ukp.wikipedia.wikimachine.factory;

import java.io.File;

import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;

import de.tudarmstadt.ukp.wikipedia.wikimachine.debug.ILogger;
import de.tudarmstadt.ukp.wikipedia.wikimachine.decompression.IDecompressor;
import de.tudarmstadt.ukp.wikipedia.wikimachine.domain.DumpVersionProcessor;
import de.tudarmstadt.ukp.wikipedia.wikimachine.domain.ISnapshotGenerator;
import de.tudarmstadt.ukp.wikipedia.wikimachine.dump.version.IDumpVersion;
import de.tudarmstadt.ukp.wikipedia.wikimachine.dump.xml.DumpTableInputStream;
import de.tudarmstadt.ukp.wikipedia.wikimachine.dump.xml.PageParser;
import de.tudarmstadt.ukp.wikipedia.wikimachine.dump.xml.RevisionParser;
import de.tudarmstadt.ukp.wikipedia.wikimachine.dump.xml.TextParser;

public class SpringFactory implements IEnvironmentFactory {

    private static final String INNER_APPLICATION_CONTEXT = "context/applicationContext.xml";

    private static final String OUTER_APPLICATION_CONTEXT = "applicationContext.xml";

    private static final String LOG_BEAN = "logger";

    private static final String DECOMPRESSOR_BEAN = "decompressor";

    private static final String DUMPVERSIONPROCESSOR_BEAN = "dumpVersionProcessor";

    private static final String PAGEPARSER_BEAN = "pageParser";

    private static final String SNAPSHOTGENERATOR_BEAN = "snapshotGenerator";

    private static final String REVISIONPARSER_BEAN = "revisionParser";

    private static final String TEXTPARSER_BEAN = "textParser";

    private static final String DUMPVERSION_BEAN = "dumpVersion";

    private static final String DUMPTABLEINPUTSTREAM_BEAN = "dumpTableInputStream";

    private static XmlBeanFactory factory = getBeanFactory();

    private static final SpringFactory instance = new SpringFactory();

    private static XmlBeanFactory getBeanFactory() {
        File outerContextFile = new File(OUTER_APPLICATION_CONTEXT);
        boolean outerContextFileProper = outerContextFile.exists() && outerContextFile.isFile()
                && outerContextFile.canRead();
        Resource res = (outerContextFileProper) ? new FileSystemResource(outerContextFile)
                : new ClassPathResource(INNER_APPLICATION_CONTEXT);
        return new XmlBeanFactory(res);
    }

    public static SpringFactory getInstance() {
        return instance;
    }

    public ILogger getLogger() {
        return (ILogger) factory.getBean(LOG_BEAN);
    }

    public IDecompressor getDecompressor() {
        return (IDecompressor) factory.getBean(DECOMPRESSOR_BEAN);
    }

    @Override
    public ISnapshotGenerator getSnapshotGenerator() {
        return (ISnapshotGenerator) factory.getBean(SNAPSHOTGENERATOR_BEAN);
    }

    @Override
    public DumpVersionProcessor getDumpVersionProcessor() {
        return (DumpVersionProcessor) factory.getBean(DUMPVERSIONPROCESSOR_BEAN);
    }

    public IDumpVersion getDumpVersion() {
        return (IDumpVersion) factory.getBean(DUMPVERSION_BEAN);
    }

    public DumpTableInputStream getDumpTableInputStream() {
        return (DumpTableInputStream) factory.getBean(DUMPTABLEINPUTSTREAM_BEAN);
    }

    public PageParser getPageParser() {
        return (PageParser) factory.getBean(PAGEPARSER_BEAN);
    }

    public RevisionParser getRevisionParser() {
        return (RevisionParser) factory.getBean(REVISIONPARSER_BEAN);
    }

    public TextParser getTextParser() {
        return (TextParser) factory.getBean(TEXTPARSER_BEAN);
    }

}