com.ksyzt.gwt.client.common.LibraryLoader Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of mapway-ui-frame Show documentation

mapway's ui-frame

There is a newer version: 2.3.0

package com.ksyzt.gwt.client.common;

import java.util.ArrayList;

import com.google.gwt.core.client.Callback;
import com.google.gwt.core.client.ScriptInjector;
import com.google.gwt.core.client.prefetch.RunAsyncCode;

// TODO: Auto-generated Javadoc

/**
 * The Class LibraryLoader.
 */
public class LibraryLoader {

    /**
     * The m callback.
     */
    LoaderCallback m_callback;

    /**
     * The count.
     */
    int count = 0;

    /**
     * The m urls.
     */
    ArrayList m_urls;

    /**
     * Instantiates a new library loader.
     */
    public LibraryLoader() {
        // m_callback = callback;
        m_urls = new ArrayList();
    }

    /**
     * Adds the library.
     *
     * @param url the url
     */
    public void addLibrary(String url) {
        m_urls.add(url);
    }

    /**
     * Start.
     *
     * @param callback the callback
     */
    public void start(LoaderCallback callback) {


        if (callback != null) {
            m_callback = callback;
        }

        for (String url : m_urls) {
            ScriptInjector.fromUrl(url)
                    .setCallback(new Callback() {
                        public void onFailure(Exception reason) {
                            if (m_callback != null) {
                                m_callback.onResult(false, reason.getMessage());
                            }
                        }

                        public void onSuccess(Void result) {
                            count++;
                            if (count == m_urls.size()) {
                                if (m_callback != null) {
                                    m_callback.onResult(true, "success");
                                }
                            }
                        }
                    }).inject();
        }
    }
}