org.openhab.habdroid.model.OpenHABItem.java Source code

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Here is the source code for org.openhab.habdroid.model.OpenHABItem.java

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/*
 * Copyright (c) 2010-2016, openHAB.org and others.
 *
 *   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.habdroid.model;

import android.graphics.Color;
import android.util.Log;

import com.crittercism.app.Crittercism;

import org.json.JSONException;
import org.json.JSONObject;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * This is a class to hold basic information about openHAB Item.
 */

public class OpenHABItem {
    private String name;
    private String type;
    private String groupType;
    private String state = "";
    private String link;
    private final static String TAG = OpenHABItem.class.getSimpleName();
    private final static Pattern HSB_PATTERN = Pattern.compile("^\\d+,\\d+,(\\d+)$");

    public OpenHABItem(Node startNode) {
        if (startNode.hasChildNodes()) {
            NodeList childNodes = startNode.getChildNodes();
            for (int i = 0; i < childNodes.getLength(); i++) {
                Node childNode = childNodes.item(i);
                if (childNode.getNodeName().equals("type")) {
                    this.setType(childNode.getTextContent());
                } else if (childNode.getNodeName().equals("groupType")) {
                    this.setGroupType(childNode.getTextContent());
                } else if (childNode.getNodeName().equals("name")) {
                    this.setName(childNode.getTextContent());
                } else if (childNode.getNodeName().equals("state")) {
                    if (childNode.getTextContent().equals("Uninitialized")) {
                        this.setState(null);
                    } else {
                        this.setState(childNode.getTextContent());
                    }
                } else if (childNode.getNodeName().equals("link")) {
                    this.setLink(childNode.getTextContent());
                }
            }
        }
    }

    public OpenHABItem(JSONObject jsonObject) {
        try {
            if (jsonObject.has("type"))
                this.setType(jsonObject.getString("type"));
            if (jsonObject.has("groupType"))
                this.setGroupType(jsonObject.getString("groupType"));
            if (jsonObject.has("name"))
                this.setName(jsonObject.getString("name"));
            if (jsonObject.has("state")) {
                if (jsonObject.getString("state").equals("NULL") || jsonObject.getString("state").equals("UNDEF")
                        || jsonObject.getString("state").equalsIgnoreCase("undefined")) {
                    this.setState(null);
                } else {
                    this.setState(jsonObject.getString("state"));
                }
            }
            if (jsonObject.has("link"))
                this.setLink(jsonObject.getString("link"));
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getGroupType() {
        return groupType;
    }

    public void setGroupType(String groupType) {
        this.groupType = groupType;
    }

    public String getState() {
        return state;
    }

    public void setState(String state) {
        this.state = state;
    }

    public boolean getStateAsBoolean() {
        // For uninitialized/null state return false
        if (state == null) {
            return false;
        }
        // If state is ON for switches return True
        if (state.equals("ON")) {
            return true;
        }

        Matcher hsbMatcher = HSB_PATTERN.matcher(state);
        if (hsbMatcher.find()) {
            String brightness = hsbMatcher.group(1);
            return isValueDecimalIntegerAndGreaterThanZero(brightness);
        }

        return isValueDecimalIntegerAndGreaterThanZero(state);

    }

    private Boolean isValueDecimalIntegerAndGreaterThanZero(String value) {
        try {
            int decimalValue = Integer.valueOf(value);
            return decimalValue > 0;
        } catch (NumberFormatException e) {
            return false;
        }
    }

    public Float getStateAsFloat() {
        Float result;
        // For uninitialized/null state return zero
        if (state == null) {
            result = 0f;
        } else if ("ON".equals(state)) {
            result = 100f;
        } else if ("OFF".equals(state)) {
            result = 0f;
        } else {
            try {
                result = Float.parseFloat(state);
            } catch (NumberFormatException e) {
                if (e != null) {
                    Crittercism.logHandledException(e);
                    Log.e(TAG, e.getMessage());
                }
                result = new Float(0);
            }
        }
        return result;
    }

    public float[] getStateAsHSV() {
        if (state == null) {
            float[] result = { 0, 0, 0 };
            return result;
        }
        String[] stateSplit = state.split(",");
        if (stateSplit.length == 3) { // We need exactly 3 numbers to operate this
            float[] result = { Float.parseFloat(stateSplit[0]), Float.parseFloat(stateSplit[1]) / 100,
                    Float.parseFloat(stateSplit[2]) / 100 };
            return result;
        } else {
            float[] result = { 0, 0, 0 };
            return result;
        }
    }

    public int getStateAsColor() {
        return Color.HSVToColor(getStateAsHSV());
    }

    public String getLink() {
        return link;
    }

    public void setLink(String link) {
        this.link = link;
    }

}