com.liferay.portlet.documentlibrary.store.StoreFactory.java Source code

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Here is the source code for com.liferay.portlet.documentlibrary.store.StoreFactory.java

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/**
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.portlet.documentlibrary.store;

import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
import com.liferay.portal.kernel.util.PropsKeys;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.util.PropsUtil;
import com.liferay.portal.util.PropsValues;

/**
 * @author Brian Wing Shun Chan
 */
public class StoreFactory {

    public static void checkProperties() {
        if (_warned) {
            return;
        }

        String dlHookImpl = PropsUtil.get("dl.hook.impl");

        if (Validator.isNotNull(dlHookImpl)) {
            boolean found = false;

            for (String[] dlHookStoreParts : _DL_HOOK_STORES) {
                if (dlHookImpl.equals(dlHookStoreParts[0])) {
                    PropsValues.DL_STORE_IMPL = dlHookStoreParts[1];

                    found = true;

                    break;
                }
            }

            if (!found) {
                PropsValues.DL_STORE_IMPL = dlHookImpl;
            }

            if (_log.isWarnEnabled()) {
                StringBundler sb = new StringBundler(8);

                sb.append("Liferay is configured with the legacy ");
                sb.append("property \"dl.hook.impl=" + dlHookImpl + "\" ");
                sb.append("in portal-ext.properties. Please reconfigure ");
                sb.append("to use the new property \"");
                sb.append(PropsKeys.DL_STORE_IMPL + "\". Liferay will ");
                sb.append("attempt to temporarily set \"");
                sb.append(PropsKeys.DL_STORE_IMPL + "=");
                sb.append(PropsValues.DL_STORE_IMPL + "\".");

                _log.warn(sb.toString());
            }
        }

        _warned = true;
    }

    public static Store getInstance() {
        if (_store == null) {
            checkProperties();

            if (_log.isDebugEnabled()) {
                _log.debug("Instantiate " + PropsValues.DL_STORE_IMPL);
            }

            ClassLoader classLoader = PortalClassLoaderUtil.getClassLoader();

            try {
                _store = (Store) classLoader.loadClass(PropsValues.DL_STORE_IMPL).newInstance();
            } catch (Exception e) {
                _log.error(e, e);
            }
        }

        if (_log.isDebugEnabled()) {
            _log.debug("Return " + _store.getClass().getName());
        }

        return _store;
    }

    public static void setInstance(Store store) {
        if (_log.isDebugEnabled()) {
            _log.debug("Set " + store.getClass().getName());
        }

        _store = store;
    }

    private static final String[][] _DL_HOOK_STORES = new String[][] {
            new String[] { "com.liferay.documentlibrary.util.AdvancedFileSystemHook",
                    AdvancedFileSystemStore.class.getName() },
            new String[] { "com.liferay.documentlibrary.util.CMISHook", CMISStore.class.getName() },
            new String[] { "com.liferay.documentlibrary.util.FileSystemHook", FileSystemStore.class.getName() },
            new String[] { "com.liferay.documentlibrary.util.JCRHook", JCRStore.class.getName() },
            new String[] { "com.liferay.documentlibrary.util.S3Hook", S3Store.class.getName() } };

    private static Log _log = LogFactoryUtil.getLog(StoreFactory.class);

    private static Store _store;
    private static boolean _warned;

}