ca.nrc.cadc.beacon.web.view.StorageItem.java Source code

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/*
 ************************************************************************
 *******************  CANADIAN ASTRONOMY DATA CENTRE  *******************
 **************  CENTRE CANADIEN DE DONNES ASTRONOMIQUES  **************
 *
 *  (c) 2016.                            (c) 2016.
 *  Government of Canada                 Gouvernement du Canada
 *  National Research Council            Conseil national de recherches
 *  Ottawa, Canada, K1A 0R6              Ottawa, Canada, K1A 0R6
 *  All rights reserved                  Tous droits rservs
 *
 *  NRC disclaims any warranties,        Le CNRC dnie toute garantie
 *  expressed, implied, or               nonce, implicite ou lgale,
 *  statutory, of any kind with          de quelque nature que ce
 *  respect to the software,             soit, concernant le logiciel,
 *  including without limitation         y compris sans restriction
 *  any warranty of merchantability      toute garantie de valeur
 *  or fitness for a particular          marchande ou de pertinence
 *  purpose. NRC shall not be            pour un usage particulier.
 *  liable in any event for any          Le CNRC ne pourra en aucun cas
 *  damages, whether direct or           tre tenu responsable de tout
 *  indirect, special or general,        dommage, direct ou indirect,
 *  consequential or incidental,         particulier ou gnral,
 *  arising from the use of the          accessoire ou fortuit, rsultant
 *  software.  Neither the name          de l'utilisation du logiciel. Ni
 *  of the National Research             le nom du Conseil National de
 *  Council of Canada nor the            Recherches du Canada ni les noms
 *  names of its contributors may        de ses  participants ne peuvent
 *  be used to endorse or promote        tre utiliss pour approuver ou
 *  products derived from this           promouvoir les produits drivs
 *  software without specific prior      de ce logiciel sans autorisation
 *  written permission.                  pralable et particulire
 *                                       par crit.
 *
 *  This file is part of the             Ce fichier fait partie du projet
 *  OpenCADC project.                    OpenCADC.
 *
 *  OpenCADC is free software:           OpenCADC est un logiciel libre ;
 *  you can redistribute it and/or       vous pouvez le redistribuer ou le
 *  modify it under the terms of         modifier suivant les termes de
 *  the GNU Affero General Public        la GNU Affero General Public
 *  License as published by the          License? telle que publie
 *  Free Software Foundation,            par la Free Software Foundation
 *  either version 3 of the              : soit la version 3 de cette
 *  License, or (at your option)         licence, soit ( votre gr)
 *  any later version.                   toute version ultrieure.
 *
 *  OpenCADC is distributed in the       OpenCADC est distribu
 *  hope that it will be useful,         dans lespoir quil vous
 *  but WITHOUT ANY WARRANTY;            sera utile, mais SANS AUCUNE
 *  without even the implied             GARANTIE : sans mme la garantie
 *  warranty of MERCHANTABILITY          implicite de COMMERCIALISABILIT
 *  or FITNESS FOR A PARTICULAR          ni dADQUATION  UN OBJECTIF
 *  PURPOSE.  See the GNU Affero         PARTICULIER. Consultez la Licence
 *  General Public License for           Gnrale Publique GNU Affero
 *  more details.                        pour plus de dtails.
 *
 *  You should have received             Vous devriez avoir reu une
 *  a copy of the GNU Affero             copie de la Licence Gnrale
 *  General Public License along         Publique GNU Affero avec
 *  with OpenCADC.  If not, see          OpenCADC ; si ce nest
 *  <http://www.gnu.org/licenses/>.      pas le cas, consultez :
 *                                       <http://www.gnu.org/licenses/>.
 *
 *
 ************************************************************************
 */

package ca.nrc.cadc.beacon.web.view;

import ca.nrc.cadc.beacon.FileSizeRepresentation;
import ca.nrc.cadc.date.DateUtil;
import ca.nrc.cadc.vos.VOSURI;
import org.bouncycastle.asn1.x500.RDN;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x500.style.BCStyle;
import org.bouncycastle.asn1.x500.style.IETFUtils;

import java.net.URI;
import java.text.DateFormat;
import java.util.Date;

public abstract class StorageItem {
    private static final FileSizeRepresentation FILE_SIZE_REPRESENTATION = new FileSizeRepresentation();
    private static final DateFormat DATE_FORMAT = DateUtil.getDateFormat("yyyy-MM-dd ' - ' HH:mm:ss", DateUtil.UTC);
    static final String NO_SIZE_DISPLAY = "--";

    private final String name;
    private final long sizeInBytes;
    private final Date lastModified;
    private final URI[] writeGroupURIs;
    private final URI[] readGroupURIs;
    private final String owner;
    private final boolean readableFlag;
    private final boolean writableFlag;
    private final String targetURL;

    final VOSURI uri;

    private final boolean publicFlag;
    private final boolean lockedFlag;

    StorageItem(VOSURI uri, long sizeInBytes, Date lastModified, boolean publicFlag, boolean lockedFlag,
            URI[] writeGroupURIs, URI[] readGroupURIs, final String owner, boolean readableFlag,
            boolean writableFlag, String targetURL) {
        this.uri = uri;
        this.name = getURI().getName();
        this.sizeInBytes = sizeInBytes;
        this.lastModified = lastModified;
        this.publicFlag = publicFlag;
        this.lockedFlag = lockedFlag;
        this.writeGroupURIs = writeGroupURIs;
        this.readGroupURIs = readGroupURIs;
        this.owner = owner;
        this.readableFlag = readableFlag;
        this.writableFlag = writableFlag;
        this.targetURL = targetURL;
    }

    public String getSizeHumanReadable() {
        return FILE_SIZE_REPRESENTATION.getSizeHumanReadable(sizeInBytes);
    }

    public long getSizeInBytes() {
        return sizeInBytes;
    }

    public String getLastModifiedHumanReadable() {
        return (lastModified == null) ? "" : DATE_FORMAT.format(lastModified);
    }

    public String getPath() {
        return uri.getPath();
    }

    public String getName() {
        return name;
    }

    public VOSURI getURI() {
        return uri;
    }

    public boolean isReadable() {
        return readableFlag;
    }

    public boolean isWritable() {
        return writableFlag;
    }

    public boolean isPublic() {
        return publicFlag;
    }

    public boolean isLocked() {
        return lockedFlag;
    }

    public String getParentPath() {
        return uri.isRoot() ? "/" : uri.getParent();
    }

    public String getWriteGroupNames() {
        return getURINames(this.writeGroupURIs);
    }

    public String getReadGroupNames() {
        return getURINames(this.readGroupURIs);
    }

    public String getOwner() {
        return owner;
    }

    public String getOwnerCN() {
        if (owner == null) {
            return "";
        } else {
            final X500Name xName = new X500Name(owner);

            RDN[] cnList = xName.getRDNs(BCStyle.CN);
            if (cnList.length > 0) {
                // Parse out any part of the cn that is before a '_'
                String[] cnStringParts = IETFUtils.valueToString(cnList[0].getFirst().getValue()).split("_");
                return cnStringParts[0];
            } else {
                return owner;
            }
        }
    }

    private String getURINames(final URI[] uris) {
        final StringBuilder uriNames = new StringBuilder();

        for (final URI uri : uris) {
            uriNames.append(uri.getFragment()).append(" ");
        }

        return uriNames.toString().trim();
    }

    public abstract String getItemIconCSS();

    public String getTargetURL() {
        return targetURL;
    }
}