EUpdateStrategy.java

/**
 * Copyright 2012-2013 Maciej Jaworski, Mariusz Kapcia, Paweł Kędzia, Mateusz Kubuszok
 *
 * <p>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</p> 
 * 
 * <p>http://www.apache.org/licenses/LICENSE-2.0</p>
 *
 * <p>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.</p>
 */
package com.autoupdater.client.models;

import com.autoupdater.client.installation.command.generation.CopyCommandGenerator;
import com.autoupdater.client.installation.command.generation.ExecuteCommandGenerator;
import com.autoupdater.client.installation.command.generation.ICommandGenerator;
import com.autoupdater.client.installation.command.generation.UnzipCommandGenerator;

/**
 * Defines the type of update that should be performed.
 */
public enum EUpdateStrategy {
    /**
     * Defines update as performed by extraction of ZIP archive into program's
     * (sub)directory.
     */
    UNZIP("Unzip", new UnzipCommandGenerator()),

    /**
     * Defines update as performed by copying file into program's
     * (sub)directory.
     */
    COPY("Copy", new CopyCommandGenerator()),

    /**
     * Defines update as performed by executing file through command passed by
     * Update information.
     */
    EXECUTE("Execute", new ExecuteCommandGenerator());

    private final String message;
    private final ICommandGenerator commandGenerator;

    private EUpdateStrategy(String message, ICommandGenerator commandGenerator) {
        this.message = message;
        this.commandGenerator = commandGenerator;
    }

    /**
     * Returns message describing update strategy.
     * 
     * @return message
     */
    public String getMessage() {
        return message;
    }

    /**
     * Returns command generator for update strategy.
     * 
     * @see com.autoupdater.client.installation.command.generation.ICommandGenerator
     * 
     * @return command generator
     */
    public ICommandGenerator getCommandGenerator() {
        return commandGenerator;
    }

    @Override
    public String toString() {
        return message.toLowerCase();
    }
}