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      1 /*
      2  * Copyright (C) 2011 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 function RecentBuildsLoader(didLoadRecentBuildsCallback) {
     27     this._didLoadRecentBuildsCallback = didLoadRecentBuildsCallback;
     28 }
     29 
     30 RecentBuildsLoader.prototype = {
     31     start: function(builderName, maximumNumberOfBuilds) {
     32         var url = this._buildbotBaseURL + "/json/builders/" + builderName + "/builds/?";
     33         url += range(maximumNumberOfBuilds).map(function(n) { return "select=-" + (n + 1); }).join("&");
     34         var self = this;
     35         getResource(url, function(xhr) {
     36             var data = JSON.parse(xhr.responseText);
     37             var builds = [];
     38             Object.keys(data).forEach(function(buildNumber) {
     39                 var build = data[buildNumber];
     40 
     41                 var buildInfo = {
     42                     revision: parseInt(build.properties.first(function(property) { return property[0] === "got_revision"; })[1], 10),
     43                     leakCount: 0,
     44                     url: null,
     45                 };
     46                 for (var stepIndex = 0; stepIndex < build.steps.length; ++stepIndex) {
     47                     var step = build.steps[stepIndex];
     48                     if (step.name === "layout-test") {
     49                         if (!("text" in step))
     50                             continue;
     51                         var strings = step.text;
     52                         for (var stringIndex = 0; stringIndex < strings.length; ++stringIndex) {
     53                             var match = /^(\d+) total leaks found!$/.exec(strings[stringIndex]);
     54                             if (!match)
     55                                 continue;
     56                             buildInfo.leakCount = parseInt(match[1], 10);
     57                             break;
     58                         }
     59                     } else if (step.name === "MasterShellCommand") {
     60                         if (!("urls" in step))
     61                             return;
     62                         if (!("view results" in step.urls))
     63                             return;
     64                         var url = step.urls["view results"];
     65                         buildInfo.url = self._buildbotBaseURL + url.replace(/\/results\.html$/, "") + "/";
     66                     }
     67 
     68                     if (buildInfo.leakCount && buildInfo.url) {
     69                         builds.push(buildInfo);
     70                         break;
     71                     }
     72                 }
     73             });
     74             // Sort descending by revision.
     75             builds.sort(function(a, b) { return b.revision - a.revision; });
     76             self._didLoadRecentBuildsCallback(builds);
     77         });
     78     },
     79 
     80     _buildbotBaseURL: "http://build.webkit.org/",
     81 };
     82