com.sonicle.webtop.core.sdk.AbstractShareCache.java Source code

Java tutorial

Introduction

Here is the source code for com.sonicle.webtop.core.sdk.AbstractShareCache.java

Source

/*
 * WebTop Services is a Web Application framework developed by Sonicle S.r.l.
 * Copyright (C) 2018 Sonicle S.r.l.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by
 * the Free Software Foundation with the addition of the following permission
 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
 * WORK IN WHICH THE COPYRIGHT IS OWNED BY SONICLE, SONICLE DISCLAIMS THE
 * WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * 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 General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA.
 *
 * You can contact Sonicle S.r.l. at email address sonicle@sonicle.com
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License
 * version 3, these Appropriate Legal Notices must retain the display of the
 * Sonicle logo and Sonicle copyright notice. If the display of the logo is not
 * reasonably feasible for technical reasons, the Appropriate Legal Notices must
 * display the words "Copyright (C) 2018 Sonicle S.r.l.".
 */
package com.sonicle.webtop.core.sdk;

import com.sonicle.webtop.core.model.ShareRoot;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import org.apache.commons.collections4.MultiValuedMap;
import org.apache.commons.collections4.multimap.ArrayListValuedHashMap;

/**
 *
 * @author malbinola
 * @param <T>
 * @param <R>
 */
public abstract class AbstractShareCache<T, R extends ShareRoot> {
    protected boolean ready = false;
    protected final ArrayList<R> shareRoots = new ArrayList<>();
    protected final HashMap<UserProfileId, R> ownerToShareRoot = new HashMap<>(); // <ownerPid, shareRoot>
    protected final HashMap<UserProfileId, String> ownerToWildcardShareFolder = new HashMap<>(); // <ownerPid, wildcardShareFolderId>
    protected final MultiValuedMap<String, T> rootShareToFolderShare = new ArrayListValuedHashMap<>(); // <shareRootId, folderId>
    protected final ArrayList<T> folderTo = new ArrayList<>();
    protected final HashMap<T, String> folderToShareFolder = new HashMap<>(); // <folderId, shareFolderId>
    protected final HashMap<T, String> folderToWildcardShareFolder = new HashMap<>(); // <folderId, wildcardShareFolderId>

    protected abstract void internalInitCache();

    public final synchronized void init() {
        clear();
        internalInitCache();
    }

    public synchronized void clear() {
        shareRoots.clear();
        ownerToShareRoot.clear();
        ownerToWildcardShareFolder.clear();
        rootShareToFolderShare.clear();
        folderTo.clear();
        folderToShareFolder.clear();
        folderToWildcardShareFolder.clear();
    }

    public final synchronized List<R> getShareRoots() {
        if (!ready)
            internalInitCache();
        return Collections.unmodifiableList(shareRoots);
    }

    public final synchronized R getShareRootByOwner(UserProfileId owner) {
        if (!ready) {
            internalInitCache();
        } else {
            if (!ownerToShareRoot.containsKey(owner)) {
                clear();
                internalInitCache();
            }
        }
        return ownerToShareRoot.get(owner);
    }

    public final String getShareRootIdByOwner(UserProfileId owner) {
        final R root = getShareRootByOwner(owner);
        return (root != null) ? root.getShareId() : null;
    }

    public final synchronized String getWildcardShareFolderIdByOwner(UserProfileId owner) {
        if (!ready) {
            internalInitCache();
        } else {
            if (!ownerToWildcardShareFolder.containsKey(owner) && ownerToShareRoot.isEmpty()) {
                clear();
                internalInitCache();
            }
        }
        return ownerToWildcardShareFolder.get(owner);
    }

    public final synchronized String getShareFolderIdByFolderId(T folderId) {
        if (!ready) {
            internalInitCache();
        } else {
            if (!folderToShareFolder.containsKey(folderId) && !folderToWildcardShareFolder.containsKey(folderId)) {
                clear();
                internalInitCache();
            }
        }
        if (folderToShareFolder.containsKey(folderId))
            return folderToShareFolder.get(folderId);
        if (folderToWildcardShareFolder.containsKey(folderId))
            return folderToWildcardShareFolder.get(folderId);
        return null;
    }

    public final synchronized List<T> getFolderIds() {
        if (!ready)
            internalInitCache();
        return Collections.unmodifiableList(folderTo);
    }

    public final synchronized List<T> getFolderIdsByShareRoot(String shareRootId) {
        if (!ready)
            internalInitCache();
        final List<T> ids = new ArrayList<>();
        if (rootShareToFolderShare.containsKey(shareRootId))
            ids.addAll(rootShareToFolderShare.get(shareRootId));
        return Collections.unmodifiableList(ids);
    }

    public final synchronized String getShareRootIdByFolderId(T folderId) {
        if (!ready)
            internalInitCache();
        for (R root : shareRoots) {
            Collection<T> folderIds = rootShareToFolderShare.get(root.getShareId());
            if (folderIds.contains(folderId))
                return root.getShareId();
        }
        return null;
    }
}