@Test
public void testRemoveAttributesByMapValuesViewIterator() {
Element p = XPATH.selectSingleNode(this.html, "body/p");
Attribute dataB = XPATH.selectSingleNode(p, "@data-b");
Attribute dataD = XPATH.selectSingleNode(p, "@data-d");
Attribute dataF = XPATH.selectSingleNode(p, "@data-f");
Assert.assertTrue(p.getAttributes().containsValue(dataB));
Assert.assertSame(p, dataB.getOwnerElement());
Assert.assertTrue(p.getAttributes().containsValue(dataD));
Assert.assertSame(p, dataD.getOwnerElement());
Assert.assertTrue(p.getAttributes().containsValue(dataF));
Assert.assertSame(p, dataF.getOwnerElement());
this.html.accept(
new Visitor() {
@Override
public void visitElement(Element element) {
/*
* If we remove the attribute whose localName start with
* "ng-" in the method "visitAttribute", we will get
* "java.util.ConcurrentModificationException"!
*
* But, this method is "visitElement", we can do it safely here :)
*/
Iterator<Attribute> valueItr = element.getAttributes().values().iterator();
while (valueItr.hasNext()) {
Attribute attribute = valueItr.next();
if (attribute.getQuanifiedName().getLocalName().startsWith("data-")) {
int number;
try {
number = Integer.parseInt(attribute.getValue());
} catch (NumberFormatException ex) {
continue;
}
if (number % 2 == 0) {
/*
* If the value of the current attribute is even number, remove it.
* so three attributes will be removed: data-b='4' data-d='16' data-f='36'
*/
valueItr.remove();
}
}
}
}
});
/*
* The bidirectional associations between the "data-b", "data-d", "data-f"
* and their owner elements are destroyed automatically and implicitly
*/
Assert.assertFalse(p.getAttributes().containsValue(dataB)); // Changed by you
Assert.assertNull(dataB.getOwnerElement()); // Set to be null automatically and implicitly
Assert.assertFalse(p.getAttributes().containsValue(dataD)); // Changed by you
Assert.assertNull(dataD.getOwnerElement()); // Set to be null automatically and implicitly
Assert.assertFalse(p.getAttributes().containsValue(dataF)); // Changed by you
Assert.assertNull(dataF.getOwnerElement()); // Set to be null automatically and implicitly
/*
* Now the whole html is(data-b, data-d, data-f are removed)
*/
Assert.assertEquals(
"<html>"
+ "<head>"
+ "<link rel='stylesheet' type='text/css' href='default_theme.css'/>"
+ "<script type='text/javascript' src='angular.min.js'></script>"
+ "</head>"
+ "<body ng-app='' ng-controller='simpleDemoCtrl'>"
+ "<p data-a='1' data-c='9' data-e='25' data-g='49'>"
+ "<input type='text' class='wide-input' ng-model='keyword'/>"
+ "</p>"
+ "<div class='simple-list'>"
+ "<div ng-repeat='item in items()'>"
+ "<span ng-bind='item.name'></span>"
+ "</div>"
+ "</div>"
+ "</body>"
+ "</html>",
XML_BUILDER.build(this.html));
}
@Before
public void create() {
this.html =
new Element(
"html",
new Element(
"head",
new Element(
"link",
new Attribute("rel", "stylesheet"),
new Attribute("type", "text/css"),
new Attribute("href", "default_theme.css")),
new Element(
"script",
new Attribute("type", "text/javascript"),
new Attribute("src", "angular.min.js"),
new Text(""))),
new Element(
"body",
new Attribute("ng-app", ""),
new Attribute("ng-controller", "simpleDemoCtrl"),
new Element(
"p",
new Attribute("data-a", "1"),
new Attribute("data-b", "4"),
new Attribute("data-c", "9"),
new Attribute("data-d", "16"),
new Attribute("data-e", "25"),
new Attribute("data-f", "36"),
new Attribute("data-g", "49"),
new Element(
"input",
new Attribute("type", "text"),
new Attribute("class", "wide-input"),
new Attribute("ng-model", "keyword"))),
new Element(
"div",
new Attribute("class", "simple-list"),
new Element(
"div",
new Attribute("ng-repeat", "item in items()"),
new Element(
"span", new Attribute("ng-bind", "item.name"), new Text(""))))));
Assert.assertEquals(
"<html>"
+ "<head>"
+ "<link rel='stylesheet' type='text/css' href='default_theme.css'/>"
+ "<script type='text/javascript' src='angular.min.js'></script>"
+ "</head>"
+ "<body ng-app='' ng-controller='simpleDemoCtrl'>"
+ "<p data-a='1' data-b='4' data-c='9' data-d='16' data-e='25' data-f='36' data-g='49'>"
+ "<input type='text' class='wide-input' ng-model='keyword'/>"
+ "</p>"
+ "<div class='simple-list'>"
+ "<div ng-repeat='item in items()'>"
+ "<span ng-bind='item.name'></span>"
+ "</div>"
+ "</div>"
+ "</body>"
+ "</html>",
XML_BUILDER.build(this.html));
}
@Test
public void testRemoveAttributesByMapKeySetViewIterator() {
Element body = XPATH.selectSingleNode(this.html, "body");
Attribute ngApp = XPATH.selectSingleNode(body, "@ng-app");
Attribute ngController = XPATH.selectSingleNode(body, "@ng-controller");
Assert.assertTrue(body.getAttributes().containsValue(ngApp));
Assert.assertSame(body, ngApp.getOwnerElement());
Assert.assertTrue(body.getAttributes().containsValue(ngController));
Assert.assertSame(body, ngController.getOwnerElement());
Element input = XPATH.selectSingleNode(body, "p/input");
Attribute ngModel = XPATH.selectSingleNode(input, "@ng-model");
Assert.assertTrue(input.getAttributes().containsValue(ngModel));
Assert.assertSame(input, ngModel.getOwnerElement());
Element div = XPATH.selectSingleNode(body, "div/div");
Attribute ngRepeat = XPATH.selectSingleNode(div, "@ng-repeat");
Assert.assertTrue(div.getAttributes().containsValue(ngRepeat));
Assert.assertSame(div, ngRepeat.getOwnerElement());
Element span = XPATH.selectSingleNode(div, "span");
Attribute ngBind = XPATH.selectSingleNode(span, "@ng-bind");
Assert.assertTrue(span.getAttributes().containsValue(ngBind));
Assert.assertSame(span, ngBind.getOwnerElement());
this.html.accept(
new Visitor() {
@Override
public void visitElement(Element element) {
/*
* If we remove the attribute whose localName start with
* "ng-" in the method "visitAttribute", we will get
* "java.util.ConcurrentModificationException"!
*
* But, this method is "visitElement", we can do it safely here:)
*/
Iterator<QuanifiedName> keyItr = element.getAttributes().keySet().iterator();
while (keyItr.hasNext()) {
QuanifiedName attributeName = keyItr.next();
if (attributeName.getLocalName().startsWith("ng-")) {
keyItr.remove();
}
}
}
});
/*
* The bidirectional associations between the "ng-" attributes and
* their owner elements are destroyed automatically and implicitly
*/
Assert.assertFalse(body.getAttributes().containsValue(ngApp)); // Changed by you
Assert.assertNull(ngApp.getOwnerElement()); // Set to be null automatically and implicitly
Assert.assertFalse(body.getAttributes().containsValue(ngController));
Assert.assertNull(ngController.getOwnerElement());
Assert.assertFalse(input.getAttributes().containsValue(ngModel)); // Changed by you
Assert.assertNull(ngModel.getOwnerElement()); // Set to be null automatically and implicitly
Assert.assertFalse(div.getAttributes().containsValue(ngRepeat)); // Changed by you
Assert.assertNull(ngRepeat.getOwnerElement()); // Set to be null automatically and implicitly
Assert.assertFalse(span.getAttributes().containsValue(ngBind)); // Changed by you
Assert.assertNull(ngBind.getOwnerElement()); // Set to be null automatically and implicitly
/*
* Now the whole html is(all the attributes start with "ng-" are removed)
*/
Assert.assertEquals(
"<html>"
+ "<head>"
+ "<link rel='stylesheet' type='text/css' href='default_theme.css'/>"
+ "<script type='text/javascript' src='angular.min.js'></script>"
+ "</head>"
+ "<body>"
+ "<p data-a='1' data-b='4' data-c='9' data-d='16' data-e='25' data-f='36' data-g='49'>"
+ "<input type='text' class='wide-input'/>"
+ "</p>"
+ "<div class='simple-list'>"
+ "<div>"
+ "<span></span>"
+ "</div>"
+ "</div>"
+ "</body>"
+ "</html>",
XML_BUILDER.build(this.html));
}
