').appendTo(flyout.elem());var panelGroup=flyout.getName()+'SubCats';var hideTimeout=null;var sloppyTrigger=createSloppyTrigger($parent);var showParent=function(){if(hideTimeout){clearTimeout(hideTimeout);hideTimeout=null;} if(visible){return;} var height=$('#nav-flyout-shopAll').height(); $parent.css({'height': height});$parent.animate({width:'show'},{duration:200,complete:function(){$parent.css({overflow:'visible'});}});visible=true;};var hideParentNow=function(){$parent.stop().css({overflow:'hidden',display:'none',width:'auto',height:'auto'});panels.hideAll({group:panelGroup});visible=false;if(hideTimeout){clearTimeout(hideTimeout);hideTimeout=null;}};var hideParent=function(){if(!visible){return;} if(hideTimeout){clearTimeout(hideTimeout);hideTimeout=null;} hideTimeout=setTimeout(hideParentNow,10);};flyout.onHide(function(){sloppyTrigger.disable();hideParentNow();this.elem().hide();});var addPanel=function($link,panelKey){var panel=dataPanel({className:'nav-subcat',dataKey:panelKey,groups:[panelGroup],spinner:false,visible:false});if(!flyoutDebug){var mouseout=mouseOutUtility();mouseout.add(flyout.elem());mouseout.action(function(){panel.hide();});mouseout.enable();} var a11y=a11yHandler({link:$link,onEscape:function(){panel.hide();$link.focus();}});var logPanelInteraction=function(promoID,wlTriggers){var logNow=$F.once().on(function(){var panelEvent=$.extend({},event,{id:promoID});if(config.browsePromos&&!!config.browsePromos[promoID]){panelEvent.bp=1;} logEvent(panelEvent);phoneHome.trigger(wlTriggers);});if(panel.isVisible()&&panel.hasInteracted()){logNow();}else{panel.onInteract(logNow);}};panel.onData(function(data){renderPromo(data.promoID,panel.elem());logPanelInteraction(data.promoID,data.wlTriggers);});panel.onShow(function(){var columnCount=$('.nav-column',panel.elem()).length;panel.elem().addClass('nav-colcount-'+columnCount);showParent();var $subCatLinks=$('.nav-subcat-links > a',panel.elem());var length=$subCatLinks.length;if(length>0){var firstElementLeftPos=$subCatLinks.eq(0).offset().left;for(var i=1;i'+ catTitle+'');panel.elem().prepend($subPanelTitle);}} $link.addClass('nav-active');});panel.onHide(function(){$link.removeClass('nav-active');hideParent();a11y.disable();sloppyTrigger.disable();});panel.onShow(function(){a11y.elems($('a, area',panel.elem()));});sloppyTrigger.register($link,panel);if(flyoutDebug){$link.click(function(){if(panel.isVisible()){panel.hide();}else{panel.show();}});} var panelKeyHandler=onKey($link,function(){if(this.isEnter()||this.isSpace()){panel.show();}},'keydown',false);$link.focus(function(){panelKeyHandler.bind();}).blur(function(){panelKeyHandler.unbind();});panel.elem().appendTo($parent);};var hideParentAndResetTrigger=function(){hideParent();sloppyTrigger.disable();};for(var i=0;i

"},"url":"/cart/ewc/compact?hostPageType=Detail&hostSubPageType=Glance&hostPageRID=PS2E99D6MF0MFB3TJABP&prerender=0&storeName=books","cartCount":0,"freshCartCount":0,"almCartCount":0,"primeWardrobeCartCount":0,"isCompactViewEnabled":true,"isCompactEWCRendered":true,"isWiderCompactEWCRendered":true,"EWCBrowserCacheKey":"EWC_Cache_138-9300643-3661634__USD_en_US","isContentRepainted":false,"clearCache":false,"loadFromCacheWithDelay":0,"delayRenderingTillATF":false,"EarlyLoadEWCContentTreatment":"T3"}; var hasAui = window.P && window.P.AUI_BUILD_DATE; var isRTLEnabled = (document.dir === 'rtl'); config.pinnable = config.pinnable && hasAui; config.isMigrationTreatment = true; config.flyout = (function() { var navbelt = document.getElementById('nav-belt'); var navCart = document.getElementById('nav-cart'); var ewcFlyout = document.getElementById('nav-flyout-ewc'); var persistentClassOnBody = 'nav-ewc-persistent-hover nav-ewc-full-height-persistent-hover'; var flyout = {}; var getDocumentScrollTop = function() { return (document.documentElement && document.documentElement.scrollTop) || document.body.scrollTop; }; var isWindow = function(obj) { return obj != null && obj === obj.window; }; var getWindow = function(elem) { return isWindow(elem) ? elem : elem.nodeType === 9 && elem.defaultView; }; var getOffset = function(elem) { if (elem.getClientRects && !elem.getClientRects().length) { return {top: 0}; } var rect = elem.getBoundingClientRect ? elem.getBoundingClientRect() : {top: 0}; if (rect.width || rect.height) { var doc = elem.ownerDocument; var win = getWindow(doc); return { top: rect.top + win.pageYOffset - doc.documentElement.clientTop }; } return rect; }; flyout.align = function() { var newTop = getOffset(navbelt).top - getDocumentScrollTop(); ewcFlyout.style.top = (newTop > 0 ? newTop + 'px' : 0); }; flyout.hide = function() { isRTLEnabled ? (ewcFlyout.style.left = '') : (ewcFlyout.style.right = ''); }; if(typeof config.isCompactEWCRendered === 'undefined') { if ( (config.isSmallScreenEnabled && viewportWidth() = 1400) ) { config.isCompactEWCRendered = true; config.isEWCStateExpanded = true; config.url = config.url.replace("/gp/navcart/sidebar", "/cart/ewc/compact"); } else { config.isCompactEWCRendered = false; } } var viewportQualifyForPersistent = function () { return (config.isCompactEWCRendered) ? true : viewportWidth() >= 1400; } flyout.hasQualifiedViewportForPersistent = viewportQualifyForPersistent; var getEWCRightOffset = function() { if (!config.isCompactEWCRendered) { return 0; } var $navbelt = document.getElementById('nav-belt'); if ($navbelt === undefined || $navbelt === null) { return 0; } var EWCCompactViewWidth = (config.isWiderCompactEWCRendered && viewportWidth() >= 1280) ? 130 : 100; var scrollLeft = (window.pageXOffset !== undefined) ? window.pageXOffset : (document.documentElement || document.body.parentNode || document.body).scrollLeft; var scrollXAxis = Math.abs(scrollLeft); var windowWidth = document.documentElement.clientWidth; var navbeltWidth = $navbelt.offsetWidth; var isPartOfNavbarNotVisible = (navbeltWidth + EWCCompactViewWidth) > windowWidth; if (isPartOfNavbarNotVisible) { return 0 - (navbeltWidth - scrollXAxis - windowWidth + EWCCompactViewWidth); } else { return 0; } } flyout.getEWCRightOffsetCssProperty = function () { return getEWCRightOffset() + 'px'; } if (config.isCompactEWCRendered) { persistentClassOnBody = 'nav-ewc-persistent-hover nav-ewc-compact-view'; if (config.isWiderCompactEWCRendered) { persistentClassOnBody += ' nav-ewc-wider-compact-view'; } } flyout.show = function() { isRTLEnabled ? (ewcFlyout.style.left = flyout.getEWCRightOffsetCssProperty()) : (ewcFlyout.style.right = flyout.getEWCRightOffsetCssProperty()); }; var isIOSDevice = function() { return (/iPad|iPhone|iPod/.test(navigator.platform) || (navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1)) && !window.MSStream; } var checkForPersistent = function() { if (!hasAui) { return { result: false, reason: 'noAui' }; } if (!config.enablePersistent) { return { result: false, reason: 'config' }; } if (!viewportQualifyForPersistent()) { return { result: false, reason: 'viewport' }; } if (isIOSDevice()) { return { result: false, reason: 'iOS' }; } if (!config.cartCount > 0) { return { result: false, reason: 'emptycart' }; } return { result: true }; }; flyout.ableToPersist = function() { return checkForPersistent().result; }; var persistentClassRegExp = '(?:^|\\s)' + persistentClassOnBody + '(?!\\S)'; flyout.applyPageLayoutForPersistent = function() { if (!document.documentElement.className.match( new RegExp(persistentClassRegExp) )) { document.documentElement.className += ' ' + persistentClassOnBody; } }; flyout.unapplyPageLayoutForPersistent = function() { document.documentElement.className = document.documentElement.className.replace( new RegExp(persistentClassRegExp, 'g'), ''); }; flyout.persist = function() { flyout.applyPageLayoutForPersistent(); flyout.show(); if (config.isCompactEWCRendered) { flyout.align(); } }; flyout.unpersist = function() { flyout.unapplyPageLayoutForPersistent(); flyout.hide(); }; var persistentCheck = checkForPersistent(); var resizeCallback = function() { if (flyout.ableToPersist()) { flyout.persist(); } else { flyout.unpersist(); } }; flyout.bindEvents = function() { if (window.addEventListener) { window.addEventListener('resize', resizeCallback, false); if (config.isCompactEWCRendered) { window.addEventListener('scroll', flyout.align, false); } } }; flyout.unbindEvents = function() { if (window.removeEventListener) { window.removeEventListener('resize', resizeCallback, false); if (config.isCompactEWCRendered) { window.removeEventListener('scroll', flyout.align, false); } } }; var ewcDefaultPersistence = function() { if (persistentCheck.result) { flyout.persist(); if (window.ue && ue.tag) { ue.tag('ewc:persist'); } } else { if (window.ue && ue.tag) { ue.tag('ewc:unpersist'); if (persistentCheck.reason === 'noAui') { ue.tag('ewc:unpersist:noAui'); } if (persistentCheck.reason === 'viewport') { ue.tag('ewc:unpersist:viewport'); } if (persistentCheck.reason === 'emptycart') { ue.tag('ewc:unpersist:emptycart'); } if (persistentCheck.reason === 'iOS') { ue.tag('ewc:unpersist:iOS'); } } } }; ewcDefaultPersistence(); if (window.ue && ue.tag) { if (flyout.hasQualifiedViewportForPersistent()) { ue.tag('ewc:bview'); } else { ue.tag('ewc:sview'); } } flyout.bindEvents(); flyout.cache = function () { const cache = window.sessionStorage; const CACHE_KEY = "EWCBrowserCacheKey"; const CACHE_EXPIRY = "EWCBrowserCacheExpiry"; const CACHE_VALUE = "EWCBrowserCacheValue"; const isSessionStorageValid = function () { return window && cache && cache instanceof Storage; }; const isCachePresent = function (key) { return cache.length > 0 && cache.getItem(key); } const isValidType = function (value) { // Prevents accessing empty key-value and internal methods(prototypes) of storage // TODO: Log metrics for invalid access; return value && value.constructor == String; } return { getCache: function (key) { const value = isCachePresent(key); return (isValidType(value)) ? value : null; }, setCache: function (key, value) { const oldValue = isCachePresent(key); const cacheExpiryTime = isCachePresent(CACHE_EXPIRY); // Set the expiry when there's no existing cache - to prevent resetting expiry on page navigation if (!cacheExpiryTime) { var currentTime = new Date(); cache.setItem(CACHE_EXPIRY, new Date(currentTime.getTime() + 5 * 60000)) } // TODO: Log length of old and new cache values when logMetrics is true cache.setItem(key, value); }, updateCacheAndEwcContainer: function (cacheKey, newEwcContent) { const $ = $Nav.getNow("$"); const $currentEwc = $("#ewc-content"); if (!$currentEwc.length) { var $content = $('#nav-flyout-ewc .nav-ewc-content'); $content.html(newEwcContent); this.setCache(CACHE_KEY, cacheKey); if (window.ue && window.ue.count) { var current = window.ue.count("ewc-init-cache") || 0; window.ue.count("ewc-init-cache", current + 1); } } else { var $newEwcContent = $('

'); var EWC_CONTENT_BODY_SCROLL_SELECTOR = ".ewc-scroller--selected"; if (newEwcContent) { // 1. Updates EWC container with new HTML var domParser = new DOMParser(); var sandboxedEwcContent = domParser.parseFromString(newEwcContent, 'text/html'); var newEwcHtmlNoScript = sandboxedEwcContent.getElementById('ewc-content'); const $newEwcHtml = $newEwcContent.html(newEwcHtmlNoScript); const offSet = $currentEwc.find(EWC_CONTENT_BODY_SCROLL_SELECTOR).position().top - $currentEwc.find(".ewc-active-cart--selected").position().top; $currentEwc.html($newEwcHtml.html()); $currentEwc.find(EWC_CONTENT_BODY_SCROLL_SELECTOR).scrollTop(offSet); if (typeof window.uex === 'function') { window.uex('ld', 'ewc-reflect-new-state', {wb: 1}); } } else { // 2. Fetches cached response and updates it's html with new state on EWC Update const cachedEwc = this.getCache(CACHE_VALUE); $newEwcContent = $newEwcContent[0]; $(cachedEwc).map(function (elementIndex, element) { $newEwcContent.appendChild((element.id === "ewc-content") ? $currentEwc.clone()[0] : element); }); newEwcContent = $newEwcContent.innerHTML; if (window.ue && window.ue.count) { var current = window.ue.count("ewc-update-cache") || 0; window.ue.count("ewc-update-cache", current + 1); } } $newEwcContent.remove(); } this.setCache(CACHE_VALUE, newEwcContent); }, removeCache: function (key) { return cache.removeItem(key); } } } ; return flyout; }()); $Nav.when("config").run('ewc.pageload-content-load-wrapper', function(config) { P.register('ewc.pageload-content-loader', function(){ var isEwcLoadedOnLanding = false; if(config.ewc.EarlyLoadEWCContentTreatment){ return { loadContent: function(isFallback) { if(!isEwcLoadedOnLanding) { if (config.ewc.flyout.ableToPersist()) { setTimeout(function() { config.ewc.flyout.loadEwcContent(); $Nav.declare('ewc.loadContent', function() {}); }, 1000); } else { $Nav.declare('ewc.loadContent', config.ewc.flyout.loadEwcContent); } if(isFallback){ if (window.ue && window.ue.count) { var current = window.ue.count("ewc-load-content-fallback") || 0; window.ue.count("ewc-load-content-fallback", current + 1); } } } isEwcLoadedOnLanding = true; } }} else { return {}}; }); }); $Nav.when("config") .run("ewc.inline.ajax", function(config) { P.when('A').execute(function(A){ var $ = A.$; var $content = $('#nav-flyout-ewc .nav-ewc-content'); var displayErrorContent = function(){ $content.html(config.ewc.errorContent.html).addClass('nav-tpl-flyoutError'); }; var getUrlParams = function(isReloaded) { var urlParams = {}; if (isReloaded) { urlParams['isReloaded'] = true; } else { if (config.ewc.freshCartCount !== undefined) { urlParams['freshCartCount'] = config.ewc.freshCartCount; } if (config.ewc.almCartCount !== undefined) { urlParams['almCartCount'] = config.ewc.almCartCount; } if (config.ewc.primeWardrobeCartCount !== undefined) { urlParams['primeWardrobeCartCount'] = config.ewc.primeWardrobeCartCount; } if (config.ewc.bazaarCartCount !== undefined) { urlParams['bazaarCartCount'] = config.ewc.bazaarCartCount; } } urlParams.widerCompactView = window.innerWidth > 1280; return urlParams; }; config.ewc.flyout.loadEwcContent = function _loadEwcContent(isReloaded) { $.ajax({ url: config.ewc.url, data: getUrlParams(isReloaded), type: "GET", dataType: config.ewc.isCompactEWCRendered ? "html" : "json", cache: false, timeout: config.ewc.timeout || 30000, beforeSend: function() { if (!config.ewc.isCompactEWCRendered) { $content.addClass('nav-spinner'); if (typeof window.uet === 'function') { window.uet('af', 'ewc', {wb: 1}); } } else { if (typeof window.uet === 'function') { window.uet('af', 'ewc2-compact', {wb: 1}); } } }, error: displayErrorContent, success: function(result) { if (typeof window.uet === 'function') { window.uet('bb', 'ewc', {wb: 1}); } if (config.ewc.isCompactEWCRendered) { if (!isReloaded) { P.register('EWC', function () { if (window.EwcP === undefined) { window.EwcP = (window.AmazonUIPageJS || P); } return { refresh : function () { if (window.ue && window.ue.count) { window.ue.count("ewc2-refresh", 1); } config.ewc.flyout.loadEwcContent(true); P.when('EWCRefreshCallback').execute(function(callback) { callback.update(); }); } } }); } else { var cartQuantity = $(result).find('#ewc-total-quantity').val(); if (window.$Nav && cartQuantity) { window.$Nav.when('api.setCartCount').run(function(setCartCount) { setCartCount(parseInt(cartQuantity), true); }); }; } var cache = config.ewc.flyout.cache(); cache.updateCacheAndEwcContainer("EWC_Cache_138-9300643-3661634__USD_en_US", result); } if (typeof window.uet === 'function') { window.uet('be', 'ewc', {wb: 1}); } }, complete: function() { if (!config.ewc.isCompactEWCRendered) { $content.removeClass('nav-spinner'); } if (typeof window.uet === 'function') { window.uet('cf', 'ewc', {wb: 1}); } if (typeof window.uex === 'function') { window.uex('ld', 'ewc', {wb: 1}); } } }); }; }); (window.P && window.P.AUI_BUILD_DATE) && (window.AmazonUIPageJS ? AmazonUIPageJS : P) .when('ewc.pageload-content-loader','atf').execute('ewcPageLoadContentLoader' , function(ewcPageLoadContentLoader,atf) { if (window.ue && window.ue.count) { var current = window.ue.count("ewc-load-content") || 0; window.ue.count("ewc-load-content", current + 1); } ewcPageLoadContentLoader.loadContent(false); }); }); const CACHE_KEY = "EWCBrowserCacheKey"; const CACHE_VALUE = "EWCBrowserCacheValue"; const CACHE_EXPIRY = "EWCBrowserCacheExpiry"; var cache = config.flyout.cache(); const isCacheValid = function () { // Check for page types and tenure of the cache const clearCache = config.clearCache; const cacheExpiryTime = cache.getCache(CACHE_EXPIRY); const isCacheExpired = new Date() > new Date(cacheExpiryTime); const cacheKey = config.EWCBrowserCacheKey; const oldCacheKey = cache.getCache(CACHE_KEY); const isCacheValid = !clearCache && !isCacheExpired && cacheKey == oldCacheKey; if (!isCacheValid && window.ue && window.ue.count) { var current = window.ue.count("ewc-cache-invalidated") || 0; window.ue.count("ewc-cache-invalidated", current + 1); } return isCacheValid; } function loadFromCache() { if (window.uet && typeof window.uet === 'function') { window.uet('bb', 'ewc-loaded-from-cache', {wb: 1}); } if (cache) { if (isCacheValid()) { var content = cache.getCache(CACHE_VALUE); if (content) { var $ewcContainer = document.getElementById("nav-flyout-ewc").getElementsByClassName("nav-ewc-content")[0]; var $ewcContent = document.getElementById("ewc-content"); if ($ewcContainer && !$ewcContent) { $ewcContainer.innerHTML = content; // Execute scripts from cache const ewcJavascript = document.getElementById("ewc-content").parentNode.querySelectorAll(':scope > script'); ewcJavascript.forEach(function (script) { var scriptTag = document.createElement("script"); scriptTag.innerHTML = script.innerHTML; document.body.appendChild(scriptTag); }); if (typeof window.uex === 'function') { window.uex('ld', 'ewc-loaded-from-cache', {wb: 1}); } } else if (window.ue && window.ue.count && typeof window.ue.count === 'function') { var currentFailure = window.ue.count("ewc-slow-cache") || 0; window.ue.count("ewc-slow-cache", currentFailure + 1); } } } else { cache.removeCache(CACHE_VALUE); cache.removeCache(CACHE_KEY); cache.removeCache(CACHE_EXPIRY); } } } function delayBy(delayTime) { if (delayTime) { window.setTimeout(function() { loadFromCache(); }, delayTime) } else { loadFromCache(); } } if(config.delayRenderingTillATF) { (window.AmazonUIPageJS ? AmazonUIPageJS : P).when('atf').execute("EverywhereCartLoadFromCacheOnAtf", function () { delayBy(config.loadFromCacheWithDelay); }); } else { delayBy(config.loadFromCacheWithDelay); } return config; }())); if (typeof uet === 'function') { uet('x2', 'ewc', {wb: 1}); } if (window.ue && ue.tag) { ue.tag('ewc'); ue.tag('ewc:unrec'); ue.tag('ewc:cartsize:0'); if ( window.P && window.P.AUI_BUILD_DATE ) { ue.tag('ewc:aui'); } else { ue.tag('ewc:noAui'); } } }());

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Object-Oriented Software Engineering: A Use Case Driven Approach Subsequent Edition

by Ivar Jacobson (Author)

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'); doc.close(); } } this.iframeload = function () { var iframe = document.getElementById(iframeId); iframe.style.display = ''; setTimeout(function () { setIframeHeight(initialResizeCallback); }, 20); } function getDocHeight(doc) { var contentDiv = doc.getElementById("iframeContent"); var docHeight = 0; if(contentDiv){ docHeight = Math.max( contentDiv.scrollHeight, contentDiv.offsetHeight, contentDiv.clientHeight ); } return docHeight; } function setIframeHeight(resizeCallback) { var iframeDoc, iframe = document.getElementById(iframeId); iframeDoc = ((iframe.contentWindow && iframe.contentWindow.document) || iframe.contentDocument); if (iframeDoc) { var h = getDocHeight(iframeDoc); if (h && h != 0) { iframe.style.height = parseInt(h) + 'px'; if(typeof resizeCallback == "function") { resizeCallback(iframeId); } } else if (nTries