AbstractDoor.java

/**
 * JBoss, Home of Professional Open Source
 * Copyright 2009, Red Hat, Inc. and/or its affiliates, and individual
 * contributors by the @authors tag. See the copyright.txt in the
 * distribution for a full listing of individual contributors.
 *
 * 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 org.jboss.weld.environment.se.test.decorators;

/**
 * Represents door with a lock.
 *
 * @author Peter Royle
 */
public abstract class AbstractDoor implements Door {

    private boolean isOpen = false;
    private boolean isLocked = false;

    /**
     * Open and close the door. Can't open a locked door.
     */
    public boolean open() {
        if (!isLocked) {
            isOpen = true;
        }
        return isOpen;
    }

    public boolean close() {
        isOpen = false;
        return isOpen;
    }

    public boolean isOpen() {
        return isOpen;
    }

    /**
     * Lock and unlock the door. Can't lock an open door.
     */
    public boolean lock() {
        if (!isOpen) {
            isLocked = true;
        }
        return isLocked;
    }

    public void unlock() {
        isLocked = false;
    }

    public boolean isLocked() {
        return isLocked;
    }
}