Java example source code file (app.js)

This example Java source code file (app.js) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

post

The app.js Java example source code

/*
 *
 *  * Copyright 2015 Skymind,Inc.
 *  *
 *  *    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.
 *
 */

/**
 * Created by sonali on 4/29/15.
 */



$(document).ready(function() {
    $('#kform').hide();
    // Add events
    $('#form').fileUpload({success : function(data, textStatus, jqXHR){
        document.getElementById('form').reset();
        $('#form').hide();
        loadVocab();
    },error : function(err) {
        console.log(err);
    }});

    $('#urlsubmit').click(function() {
        var val = $('#urlval').val();
        $.ajax({
            url: '/nearestneighbors/update',
            type: 'POST',
            dataType: 'json',
            contentType : 'application/json',
            data: JSON.stringify({"url" : val}),
            cache: false,
            success: function(data, textStatus, jqXHR) {
                loadVocab();

            },
            error: function(jqXHR, textStatus, errorThrown) {
                // Handle errors here
                console.log('ERRORS: ' + textStatus);
            },
            complete: function() {
            }
        });
    });



    function loadVocab() {
        $.ajax({
            url: '/nearestneighbors/vocab',
            type: 'POST',
            data: JSON.stringify({}),
            cache: false,
            success: function(data, textStatus, jqXHR)
            {
                if(typeof data.error === 'undefined')
                {
                    // Success so call function to process the form
                    console.log('SUCCESS');
                    $('#kform').show();
                    $('#form').hide();
                    $('#url').hide();
                    var html = '<ul class="sidebar-nav">';
                    var keys = Object.keys(data);
                    for (var i = 0; i < keys.length; i++) {
                        html = html + '<li class="sidebar-brand">' + data[keys[i]] + "";
                    }
                    html += "</ul>";
                    document.getElementById("sidebar-wrapper").innerHTML = html;

                    //on click of any word, render the k nearest neighbors
                    $('.word').on('click', function(evt) {
                        var data = $(this).html();
                        var kval = $('#k').val();
                        renderNearestNeighbors(data, kval);
                    })
                }
                else
                {
                    // Handle errors here
                    console.log('ERRORS: ' + data.error);
                }
            },
            error: function(jqXHR, textStatus, errorThrown)
            {
                // Handle errors here
                console.log('ERRORS: ' + textStatus);
            },
            complete: function()
            {
                // STOP LOADING SPINNER
            }
        });
    }


    function renderNearestNeighbors(word, numWords) {
        $.ajax({
            url: '/nearestneighbors/words',
            type: 'POST',
            contentType : 'application/json',
            data: JSON.stringify({word: word, numWords: numWords}),
            cache: false,
            success: function(data, textStatus, jqXHR)
            {
                if(typeof data.error === 'undefined')
                {
                    // Success so call function to process the form
                    console.log('SUCCESS NN');
                    var keys = Object.keys(data);
                    var k = keys.length;
                    var html = '<h3>Your selected word: ' + word + '
The following are the ' + k +  ' nearest neighbors: 
 \<' +
                        'ol>';

                    for (var i = 0; i < k; i++) {
                        html += '<li>' + keys[i] + '';
                    }
                    html += '</ol>';
                    $('#neighbors').html(html);
                    //on click of any LI element, call renderNearestNeighbors (pass in word and 5)
                }
                else
                {
                    // Handle errors here
                    console.log('ERRORS: ' + data.error);
                }
            },
            error: function(jqXHR, textStatus, errorThrown)
            {
                // Handle errors here
                console.log('ERRORS: ' + textStatus);
            },
            complete: function()
            {
                // STOP LOADING SPINNER
            }
        });
    }
});