InternalResourceRoot.java

/*
  Copyright 2011-2014 Red Hat, Inc

  This file is part of PressGang CCMS.

  PressGang CCMS 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 3 of the License, or
  (at your option) any later version.

  PressGang CCMS 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.

  You should have received a copy of the GNU Lesser General Public License
  along with PressGang CCMS.  If not, see <http://www.gnu.org/licenses/>.
*/

package org.jboss.pressgang.ccms.server.webdav.resources.hierarchy;

import javax.validation.constraints.NotNull;
import javax.ws.rs.core.UriInfo;
import java.util.ArrayList;
import java.util.List;

import net.java.dev.webdav.jaxrs.xml.elements.MultiStatus;
import net.java.dev.webdav.jaxrs.xml.elements.Response;
import org.jboss.pressgang.ccms.server.webdav.managers.CompatibilityManager;
import org.jboss.pressgang.ccms.server.webdav.resources.InternalResource;
import org.jboss.pressgang.ccms.server.webdav.resources.MultiStatusReturnValue;
import org.jboss.pressgang.ccms.server.webdav.resources.hierarchy.topics.InternalResourceTopicVirtualFolder;
import org.jetbrains.annotations.Nullable;

/**
 * The root folder of the WebDAV hierarchy.
 */
public class InternalResourceRoot extends InternalResource {
    public InternalResourceRoot(@NotNull final UriInfo uriInfo, @NotNull final CompatibilityManager compatibilityManager,
            @Nullable final String remoteAddress, @NotNull final String stringId) {
        super(uriInfo, compatibilityManager, remoteAddress, stringId);
    }

    @Override
    public MultiStatusReturnValue propfind(final String depth) {
        if (getUriInfo() == null) {
            throw new IllegalStateException("Can not perform propfind without uriInfo");
        }

        if ("0".equals(depth)) {
            /* A depth of zero means we are returning information about this item only */
            final Response folder = getFolderProperties(getUriInfo());

            return new MultiStatusReturnValue(207, new MultiStatus(folder));
        } else {
            /* Otherwise we are retuning info on the children in this collection */
            final List<Response> responses = new ArrayList<Response>();

            /* The topic collection */
            responses.add(getFolderProperties(getUriInfo()));
            responses.add(getFolderProperties(getUriInfo(), InternalResourceTopicVirtualFolder.RESOURCE_NAME));

            final MultiStatus st = new MultiStatus(responses.toArray(new Response[responses.size()]));
            return new MultiStatusReturnValue(207, st);
        }

    }
}