com.wialon.item.ItemIcon.java Source code

Introduction

Here is the source code for com.wialon.item.ItemIcon.java

Source

/*
 * Copyright 2014 Gurtam
 *
 *    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.wialon.item;

import com.google.gson.JsonElement;
import com.wialon.core.EventProvider;
import com.wialon.core.Session;
import com.wialon.remote.handlers.BinaryResponseHandler;
import com.wialon.remote.RemoteHttpClient;
import com.wialon.remote.handlers.ResponseHandler;

import java.io.File;
import java.io.InputStream;

/**
 * Contain functionality for item image manipulation and retrieval.
 */
public class ItemIcon extends Item {
    private Integer ugi;
    private String uri;

    private void setUgi(Integer ugi) {
        if (this.ugi == null || !this.ugi.equals(ugi)) {
            Integer oldUgi = this.ugi == null ? null : new Integer(this.ugi);
            this.ugi = ugi;
            fireEvent(events.changeIcon, this, oldUgi, ugi);
        }
    }

    private void setUri(String uri) {
        if (this.uri == null || !this.uri.equals(uri)) {
            String oldUri = this.uri == null ? null : new String(this.uri);
            this.uri = uri;
            fireEvent(events.changeIconUri, this, oldUri, uri);
            //TODO: remove after change listeners to changeIconUri
            fireEvent(events.changeIcon, this, null, uri);
        }
    }

    /**
     * Get icon Url
     *
     * @param borderSize border size in pixels, if not specified - 32
     * @return URL to item icon of specified size (PNG)
     */
    public String getIconUrl(int borderSize) {
        if (borderSize <= 0)
            borderSize = 32;
        if (uri != null) {
            uri = uri.replaceAll(" ", "%20");
            return Session.getInstance().getBaseUrl() + uri + "?b=" + borderSize;
        }
        return Session.getInstance().getBaseUrl() + "/avl_item_image/" + this.getId() + "/" + borderSize + "/" + ugi
                + ".png";
    }

    public void downloadIcon(BinaryResponseHandler callback) {
        RemoteHttpClient.getInstance().post(getIconUrl(0), null, callback);
    }

    @Override
    public boolean updateItemData(String key, JsonElement data) {
        if (super.updateItemData(key, data))
            return true;
        else {
            if (key.equals("ugi") && data.getAsNumber() != null)
                setUgi(data.getAsInt());
            else if (key.equals("uri") && data.getAsString() != null)
                setUri(data.getAsString());
            else
                return false;
            return true;
        }
    }

    public void updateIcon(File file, ResponseHandler callback) {
        RemoteHttpClient.getInstance().uploadFile(file, "unit/upload_image", "{\"itemId\":" + getId() + "}",
                callback, 10000);
    }

    /**
     * Events
     */
    public static enum events {
        /**
         * icon property has changed
         */
        changeIcon,
        /** iconUri property has changed */
        changeIconUri
    }
}