HarmonyHubBindingType.java

/**
 * Copyright (c) 2010-2016 by the respective copyright holders.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.openhab.binding.harmonyhub.internal;

import java.util.HashMap;
import java.util.Map;

/**
 * HarmonyHubBindingType is a {@link Enum} of possible binding types that an item can be configured for.
 * 
 * @author Dan Cunningham
 * @since 1.7.0
 */
public enum HarmonyHubBindingType {
    CurrentActivity("currentActivity", HarmonyHubBindingDirection.BOTH),
    StartActivity("start", HarmonyHubBindingDirection.OUT),
    PressButton("press", HarmonyHubBindingDirection.OUT);

    /**
     * String used in the binding config
     */
    private String label;
    /**
     * Direction that this command goes
     */
    private HarmonyHubBindingDirection direction;

    /**
     * helper map retrieve HarmonyHubBindingType by its label
     */
    private static Map<String, HarmonyHubBindingType> labelToHarmonyHubBindingType;

    HarmonyHubBindingType(String label, HarmonyHubBindingDirection direction) {
        this.label = label;
        this.direction = direction;
    }

    /**
     * init our internal map
     */
    private static void initMapping() {
        labelToHarmonyHubBindingType = new HashMap<String, HarmonyHubBindingType>();
        for (HarmonyHubBindingType h : values()) {
            labelToHarmonyHubBindingType.put(h.label, h);
        }
    }

    /**
     * Returns the {@link String} label used in bindings configurations
     * 
     * @return
     */
    public String getLabel() {
        return label;
    }

    public HarmonyHubBindingDirection getDirection() {
        return direction;
    }

    public static HarmonyHubBindingType getHarmonyHubBindingType(String label) {
        if (labelToHarmonyHubBindingType == null) {
            initMapping();
        }
        return labelToHarmonyHubBindingType.get(label);
    }

    public static String PatternString() {
        StringBuilder sb = null;
        for (HarmonyHubBindingType h : values()) {
            if (sb == null) {
                sb = new StringBuilder(h.label);
            } else {
                sb.append("|").append(h.label);
            }
        }
        return sb.toString();
    }

    @Override
    public String toString() {
        return getLabel();
    }
}