org.obm.push.HierarchyExporter.java Source code

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Here is the source code for org.obm.push.HierarchyExporter.java

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/* ***** BEGIN LICENSE BLOCK *****
 * 
 * Copyright (C) 2011-2015  Linagora
 *
 * This program is free software: you can redistribute it and/or 
 * modify it under the terms of the GNU Affero General Public License as 
 * published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version, provided you comply 
 * with the Additional Terms applicable for OBM connector by Linagora 
 * pursuant to Section 7 of the GNU Affero General Public License, 
 * subsections (b), (c), and (e), pursuant to which you must notably (i) retain 
 * the Message sent thanks to OBM, Free Communication by Linagora? 
 * signature notice appended to any and all outbound messages 
 * (notably e-mail and meeting requests), (ii) retain all hypertext links between 
 * OBM and obm.org, as well as between Linagora and linagora.com, and (iii) refrain 
 * from infringing Linagora intellectual property rights over its trademarks 
 * and commercial brands. Other Additional Terms apply, 
 * see <http://www.linagora.com/licenses/> for more details. 
 *
 * This program 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 Affero General Public License 
 * for more details. 
 *
 * You should have received a copy of the GNU Affero General Public License 
 * and its applicable Additional Terms for OBM along with this program. If not, 
 * see <http://www.gnu.org/licenses/> for the GNU Affero General Public License version 3 
 * and <http://www.linagora.com/licenses/> for the Additional Terms applicable to 
 * OBM connectors. 
 * 
 * ***** END LICENSE BLOCK ***** */
package org.obm.push;

import java.util.Iterator;
import java.util.List;

import org.obm.push.backend.IHierarchyExporter;
import org.obm.push.backend.PIMBackend;
import org.obm.push.bean.UserDataRequest;
import org.obm.push.bean.change.hierarchy.BackendFolder;
import org.obm.push.bean.change.hierarchy.BackendFolder.BackendId;
import org.obm.push.bean.change.hierarchy.BackendFolders;
import org.obm.push.bean.change.hierarchy.FolderCreateRequest;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Optional;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.inject.Inject;
import com.google.inject.Singleton;

@Singleton
public class HierarchyExporter implements IHierarchyExporter {

    private final Backends backends;

    @Inject
    @VisibleForTesting
    HierarchyExporter(Backends backends) {
        this.backends = backends;
    }

    @Override
    public BackendFolders getBackendFolders(UserDataRequest udr) {

        final List<BackendFolders> allFoldersIterables = Lists.newArrayList();
        for (PIMBackend backend : backends) {
            allFoldersIterables.add(backend.getBackendFolders(udr));

        }
        return new BackendFolders() {

            @Override
            public Iterator<BackendFolder> iterator() {
                return Iterables.concat(allFoldersIterables).iterator();
            }
        };
    }

    @Override
    public BackendId createFolder(UserDataRequest udr, FolderCreateRequest folderCreateRequest,
            Optional<BackendId> parentBackendId) {
        return backends.getBackend(folderCreateRequest.getFolderType().getPIMDataType()).createFolder(udr,
                folderCreateRequest, parentBackendId);
    }
}