com.liferay.document.library.web.internal.upload.FileEntryDLUploadHandler.java Source code

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Here is the source code for com.liferay.document.library.web.internal.upload.FileEntryDLUploadHandler.java

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/**
 * Copyright (c) 2000-present 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.document.library.web.internal.upload;

import com.liferay.document.library.kernel.exception.FileSizeException;
import com.liferay.document.library.kernel.model.DLFileEntry;
import com.liferay.document.library.kernel.service.DLAppServiceUtil;
import com.liferay.document.library.kernel.util.DLUtil;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.security.permission.ActionKeys;
import com.liferay.portal.kernel.security.permission.PermissionChecker;
import com.liferay.portal.kernel.service.ServiceContext;
import com.liferay.portal.kernel.service.ServiceContextFactory;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.upload.BaseUploadHandler;
import com.liferay.portal.kernel.upload.UploadPortletRequest;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.PropsKeys;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.util.PrefsPropsUtil;
import com.liferay.portlet.documentlibrary.service.permission.DLFolderPermission;

import java.io.InputStream;

/**
 * @author Roberto Daz
 * @author Sergio Gonzlez
 */
public class FileEntryDLUploadHandler extends BaseUploadHandler {

    @Override
    protected FileEntry addFileEntry(long userId, long groupId, long folderId, String fileName, String contentType,
            InputStream inputStream, long size, ServiceContext serviceContext) throws PortalException {

        return DLAppServiceUtil.addFileEntry(groupId, folderId, fileName, contentType, fileName, StringPool.BLANK,
                StringPool.BLANK, inputStream, size, serviceContext);
    }

    @Override
    protected void checkPermission(long groupId, long folderId, PermissionChecker permissionChecker)
            throws PortalException {

        DLFolderPermission.check(permissionChecker, groupId, folderId, ActionKeys.ADD_DOCUMENT);
    }

    @Override
    protected FileEntry fetchFileEntry(long userId, long groupId, long folderId, String fileName)
            throws PortalException {

        try {
            return DLAppServiceUtil.getFileEntry(groupId, folderId, fileName);
        } catch (PortalException pe) {

            // LPS-52675

            if (_log.isDebugEnabled()) {
                _log.debug(pe, pe);
            }

            return null;
        }
    }

    @Override
    protected long getFolderId(UploadPortletRequest uploadPortletRequest) {
        return ParamUtil.getLong(uploadPortletRequest, "folderId");
    }

    @Override
    protected String getParameterName() {
        return "imageSelectorFileName";
    }

    @Override
    protected ServiceContext getServiceContext(UploadPortletRequest uploadPortletRequest) throws PortalException {

        return ServiceContextFactory.getInstance(DLFileEntry.class.getName(), uploadPortletRequest);
    }

    @Override
    protected String getURL(FileEntry fileEntry, ThemeDisplay themeDisplay) {
        try {
            return DLUtil.getPreviewURL(fileEntry, fileEntry.getLatestFileVersion(), themeDisplay,
                    StringPool.BLANK);
        } catch (PortalException pe) {
            if (_log.isWarnEnabled()) {
                _log.warn("Unable to get URL for file entry " + fileEntry.getFileEntryId(), pe);
            }
        }

        return StringPool.BLANK;
    }

    @Override
    protected void validateFile(String fileName, String contentType, long size) throws PortalException {

        long maxSize = PrefsPropsUtil.getLong(PropsKeys.DL_FILE_MAX_SIZE);

        if ((maxSize > 0) && (size > maxSize)) {
            throw new FileSizeException(size + " exceeds its maximum permitted size of " + maxSize);
        }
    }

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

}