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

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Here is the source code for com.liferay.document.library.web.internal.upload.DLUploadFileEntryHandler.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.model.DLFileEntry;
import com.liferay.document.library.kernel.service.DLAppService;
import com.liferay.document.library.kernel.util.DLValidator;
import com.liferay.petra.string.StringPool;
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.service.ServiceContext;
import com.liferay.portal.kernel.service.ServiceContextFactory;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.upload.UploadPortletRequest;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portlet.documentlibrary.service.permission.DLFolderPermission;
import com.liferay.upload.UniqueFileNameProvider;
import com.liferay.upload.UploadFileEntryHandler;

import java.io.IOException;
import java.io.InputStream;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Roberto Daz
 * @author Sergio Gonzlez
 * @author Alejandro Tardn
 */
@Component(service = DLUploadFileEntryHandler.class)
public class DLUploadFileEntryHandler implements UploadFileEntryHandler {

    @Override
    public FileEntry upload(UploadPortletRequest uploadPortletRequest) throws IOException, PortalException {

        ThemeDisplay themeDisplay = (ThemeDisplay) uploadPortletRequest.getAttribute(WebKeys.THEME_DISPLAY);

        long folderId = ParamUtil.getLong(uploadPortletRequest, "folderId");

        DLFolderPermission.check(themeDisplay.getPermissionChecker(), themeDisplay.getScopeGroupId(), folderId,
                ActionKeys.ADD_DOCUMENT);

        String fileName = uploadPortletRequest.getFileName(_PARAMETER_NAME);
        long size = uploadPortletRequest.getSize(_PARAMETER_NAME);

        _dlValidator.validateFileSize(fileName, size);

        String contentType = uploadPortletRequest.getContentType(_PARAMETER_NAME);

        try (InputStream inputStream = uploadPortletRequest.getFileAsStream(_PARAMETER_NAME)) {

            String uniqueFileName = _uniqueFileNameProvider.provide(fileName,
                    curFileName -> _exists(themeDisplay.getScopeGroupId(), folderId, curFileName));

            ServiceContext serviceContext = ServiceContextFactory.getInstance(DLFileEntry.class.getName(),
                    uploadPortletRequest);

            return _dlAppService.addFileEntry(themeDisplay.getScopeGroupId(), folderId, uniqueFileName, contentType,
                    uniqueFileName, StringPool.BLANK, StringPool.BLANK, inputStream, size, serviceContext);
        }
    }

    private boolean _exists(long groupId, long folderId, String fileName) {
        try {
            if (_dlAppService.getFileEntry(groupId, folderId, fileName) != null) {

                return true;
            }

            return false;
        } catch (PortalException pe) {
            if (_log.isDebugEnabled()) {
                _log.debug(pe, pe);
            }

            return false;
        }
    }

    private static final String _PARAMETER_NAME = "imageSelectorFileName";

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

    @Reference
    private DLAppService _dlAppService;

    @Reference
    private DLValidator _dlValidator;

    @Reference
    private UniqueFileNameProvider _uniqueFileNameProvider;

}