it.smc.calendar.sync.caldav.CalendarResourceImpl.java Source code

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Here is the source code for it.smc.calendar.sync.caldav.CalendarResourceImpl.java

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/**
 * Copyright (c) 2013 SMC Treviso Srl. 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 it.smc.calendar.sync.caldav;

import com.liferay.calendar.model.Calendar;
import com.liferay.calendar.service.CalendarServiceUtil;
import com.liferay.calendar.util.CalendarDataFormat;
import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayInputStream;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.util.ContentTypes;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.webdav.BaseResourceImpl;
import com.liferay.portal.kernel.webdav.WebDAVException;
import com.liferay.portal.util.PortalUtil;

import it.smc.calendar.sync.caldav.util.WebKeys;

import java.io.InputStream;

import java.util.Locale;

/**
 * @author Fabio Pezzutto
 */
public class CalendarResourceImpl extends BaseResourceImpl {

    public CalendarResourceImpl(Calendar calendar, String parentPath, Locale locale) {

        super(parentPath, StringPool.BLANK, calendar.getName(locale), calendar.getCreateDate(),
                calendar.getModifiedDate());

        setModel(calendar);
        setClassName(Calendar.class.getName());
        setPrimaryKey(calendar.getPrimaryKey());

        try {
            StringBuilder sb = new StringBuilder();

            sb.append(PortalUtil.getPathContext());
            sb.append("/webdav/");
            sb.append(calendar.getCalendarResource().getUuid());
            sb.append(StringPool.SLASH);
            sb.append(WebKeys.CALDAV_TOKEN);
            sb.append(StringPool.SLASH);
            sb.append(calendar.getUuid());

            _href = sb.toString();
        } catch (Exception e) {
            _href = parentPath;
            _log.error(e);
        }

        _calendar = calendar;
    }

    @Override
    public InputStream getContentAsStream() throws WebDAVException {
        try {
            String data = CalendarServiceUtil.exportCalendar(_calendar.getCalendarId(),
                    CalendarDataFormat.ICAL.getValue());

            return new UnsyncByteArrayInputStream(data.getBytes(StringPool.UTF8));
        } catch (Exception e) {
            throw new WebDAVException(e);
        }
    }

    @Override
    public String getContentType() {
        return ContentTypes.TEXT_CALENDAR + "; component=vevent";
    }

    @Override
    public String getHREF() {
        return _href;
    }

    @Override
    public long getSize() {

        String data = StringPool.BLANK;

        try {
            CalendarServiceUtil.exportCalendar(_calendar.getCalendarId(), CalendarDataFormat.ICAL.getValue());
        } catch (Exception e) {
            if (_log.isWarnEnabled()) {
                _log.warn("Unable to export calendar to ics for calendar " + _calendar.getCalendarId());
            }
        }

        return data.getBytes().length;
    }

    @Override
    public boolean isCollection() {
        return true;
    }

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

    private Calendar _calendar;
    private String _href;

}