jease.cms.service.Informatons.java Source code

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Here is the source code for jease.cms.service.Informatons.java

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/*
Copyright (C) 2016 maik.jablonski@jease.org
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
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 General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package jease.cms.service;

import java.io.File;
import java.util.Collection;
import java.util.Comparator;
import java.util.Map;
import java.util.TreeMap;

import jfix.db4o.Database;
import jfix.db4o.Persistent;

import org.apache.commons.io.FileUtils;

public class Informatons {

    public static String getDatabaseDirectory() {
        return Database.ext().getBlobDirectory();
    }

    public static String getDatabaseSize() {
        return FileUtils.byteCountToDisplaySize(FileUtils.sizeOfDirectory(new File(getDatabaseDirectory())));
    }

    public static Collection<Persistent> getDatabaseObjectCount() {
        return Database.query(Persistent.class);
    }

    public static Map<Class<?>, Integer> getDatabaseClassCount() {
        Map<Class<?>, Integer> resultMap = new TreeMap<>(Comparator.comparing(Class::getName));
        for (Persistent obj : Database.query(Persistent.class)) {
            Class<?> clazz = obj.getClass();
            if (!resultMap.containsKey(clazz)) {
                resultMap.put(clazz, 0);
            }
            resultMap.put(clazz, resultMap.get(clazz) + 1);
        }
        return resultMap;
    }

}