com.bitplan.vzjava.AppMode.java Source code

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Here is the source code for com.bitplan.vzjava.AppMode.java

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/**
 * Copyright (c) 2017 BITPlan GmbH
 *
 * http://www.bitplan.com
 *
 * This file is part of the Opensource project at:
 * https://github.com/WolfgangFahl/com.bitplan.vzjava
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.bitplan.vzjava;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;

/**
 * check the mode of operation
 * 
 * @author wf
 *
 */
public class AppMode {
    /**
     * Welcome= first start
     * Demo = use demo database for next start of application
     * Test = use demo database once
     * Operation = use configured database
     */
    public static enum Mode {
        Welcome, Demo, Test, Operation
    };

    static File demoDb = new File("src/test/data/vzdb/vzdemo.db");
    static File testDb = new File("src/test/data/vzdb/vztest.db");
    static File demoDbRelease = new File("src/test/data/vzdb/vztest.db.release");

    /**
     * get the mode of operation
     * 
     * @return the current mode of operation
     */
    public static Mode getMode() {
        if (!demoDb.exists()) {
            return Mode.Welcome;
        } else if (testDb.exists()) {
            return Mode.Test;
        } else {
            if ("demo".equals(DBConfigImpl.getConfigName())) {
                return Mode.Demo;
            }
        }
        return Mode.Operation;
    }

    /**
     * set the given mode of operation
     * 
     * @param mode
     *          - the mode to set
     */
    public static void setMode(Mode mode) {
        try {
            switch (mode) {
            case Welcome:
                demoDb.delete();
                break;
            case Demo:
                testDb.delete();
                FileUtils.copyFile(demoDbRelease, demoDb);
                break;
            case Test:
                demoDb.delete();
                FileUtils.copyFile(demoDbRelease, testDb);
            case Operation:
                break;
            default:
                break;
            }
        } catch (IOException e) {
            ErrorHandler.handle(e);
        }
    }
}