com.liferay.blogs.util.BlogsEntryImageSelectorHelper.java Source code

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Here is the source code for com.liferay.blogs.util.BlogsEntryImageSelectorHelper.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.blogs.util;

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.portletfilerepository.PortletFileRepositoryUtil;
import com.liferay.portal.kernel.repository.capabilities.TemporaryFileEntriesCapability;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.servlet.taglib.ui.ImageSelector;
import com.liferay.portal.kernel.util.FileUtil;

/**
 * @author Roberto Daz
 */
public class BlogsEntryImageSelectorHelper {

    public BlogsEntryImageSelectorHelper(long imageFileEntryId, long oldImageFileEntryId, String imageCropRegion,
            String imageURL, String oldImageURL) {

        _imageFileEntryId = imageFileEntryId;
        _oldImageFileEntryId = oldImageFileEntryId;
        _imageCropRegion = imageCropRegion;
        _imageURL = imageURL;
        _oldImageURL = oldImageURL;
    }

    public ImageSelector getImageSelector() throws Exception {
        if (_imageFileEntryId != _oldImageFileEntryId) {
            if (_imageFileEntryId != 0) {
                FileEntry fileEntry = PortletFileRepositoryUtil.getPortletFileEntry(_imageFileEntryId);

                _fileEntryTempFile = fileEntry.isRepositoryCapabilityProvided(TemporaryFileEntriesCapability.class);

                return new ImageSelector(FileUtil.getBytes(fileEntry.getContentStream()), fileEntry.getFileName(),
                        fileEntry.getMimeType(), _imageCropRegion);
            } else {
                return new ImageSelector();
            }
        } else if (!_imageURL.equals(_oldImageURL)) {
            return new ImageSelector(_imageURL);
        }

        return null;
    }

    public boolean isFileEntryTempFile() {
        if (_fileEntryTempFile == null) {
            if ((_imageFileEntryId == 0) || (_imageFileEntryId == _oldImageFileEntryId)) {

                _fileEntryTempFile = false;
            } else {
                try {
                    FileEntry fileEntry = PortletFileRepositoryUtil.getPortletFileEntry(_imageFileEntryId);

                    _fileEntryTempFile = fileEntry
                            .isRepositoryCapabilityProvided(TemporaryFileEntriesCapability.class);
                } catch (PortalException pe) {

                    // LPS-52675

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

                    return false;
                }
            }
        }

        return _fileEntryTempFile;
    }

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

    private Boolean _fileEntryTempFile;
    private final String _imageCropRegion;
    private final long _imageFileEntryId;
    private final String _imageURL;
    private final long _oldImageFileEntryId;
    private final String _oldImageURL;

}