com.liferay.portlet.documentlibrary.lar.FileEntryUtil.java Source code

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Here is the source code for com.liferay.portlet.documentlibrary.lar.FileEntryUtil.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.lar;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.repository.liferayrepository.model.LiferayFileEntry;
import com.liferay.portal.repository.liferayrepository.util.LiferayBase;
import com.liferay.portlet.documentlibrary.NoSuchFileEntryException;
import com.liferay.portlet.documentlibrary.model.DLFileEntry;
import com.liferay.portlet.documentlibrary.model.DLFolderConstants;
import com.liferay.portlet.documentlibrary.service.persistence.DLFileEntryUtil;
import com.liferay.portlet.documentlibrary.store.DLStoreUtil;

import java.io.InputStream;

import java.util.List;

/**
 * @author Alexander Chow
 */
public class FileEntryUtil extends LiferayBase {

    public static FileEntry fetchByPrimaryKey(long fileEntryId) throws SystemException {

        DLFileEntry dlFileEntry = DLFileEntryUtil.fetchByPrimaryKey(fileEntryId);

        if (dlFileEntry == null) {
            return null;
        }

        return new LiferayFileEntry(dlFileEntry);
    }

    public static FileEntry fetchByR_F_T(long repositoryId, long folderId, String title) throws SystemException {

        DLFileEntry dlFileEntry = DLFileEntryUtil.fetchByG_F_T(repositoryId, folderId, title);

        if (dlFileEntry == null) {
            return null;
        }

        return new LiferayFileEntry(dlFileEntry);
    }

    public static FileEntry fetchByUUID_R(String uuid, long repositoryId) throws SystemException {

        DLFileEntry dlFileEntry = DLFileEntryUtil.fetchByUUID_G(uuid, repositoryId);

        if (dlFileEntry == null) {
            return null;
        }

        return new LiferayFileEntry(dlFileEntry);
    }

    public static List<FileEntry> findByR_F(long repositoryId, long folderId) throws SystemException {

        List<DLFileEntry> dlFileEntries = DLFileEntryUtil.findByG_F(repositoryId, folderId);

        return _instance.toFileEntries(dlFileEntries);
    }

    public static FileEntry findByR_F_T(long repositoryId, long folderId, String title)
            throws NoSuchFileEntryException, SystemException {

        DLFileEntry dlFileEntry = DLFileEntryUtil.findByG_F_T(repositoryId, folderId, title);

        return new LiferayFileEntry(dlFileEntry);
    }

    public static InputStream getContentStream(FileEntry fileEntry) throws PortalException, SystemException {

        long repositoryId = DLFolderConstants.getDataRepositoryId(fileEntry.getRepositoryId(),
                fileEntry.getFolderId());

        String name = ((DLFileEntry) fileEntry.getModel()).getName();

        return DLStoreUtil.getFileAsStream(fileEntry.getCompanyId(), repositoryId, name, fileEntry.getVersion());

    }

    private static FileEntryUtil _instance = new FileEntryUtil();

}