public void testlookupNamespacePrefix() throws Exception {
// Setup
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
factory.setValidating(false);
DocumentBuilder builder = factory.newDocumentBuilder();
Document document = builder.newDocument();
Element rootElement = document.createElement("root");
Attr attr = document.createAttributeNS(SdkConstants.XMLNS_URI, "xmlns:customPrefix");
attr.setValue(SdkConstants.ANDROID_URI);
rootElement.getAttributes().setNamedItemNS(attr);
document.appendChild(rootElement);
Element root = document.getDocumentElement();
root.appendChild(document.createTextNode(" "));
Element foo = document.createElement("foo");
root.appendChild(foo);
root.appendChild(document.createTextNode(" "));
Element bar = document.createElement("bar");
root.appendChild(bar);
Element baz = document.createElement("baz");
root.appendChild(baz);
String prefix = XmlUtils.lookupNamespacePrefix(baz, SdkConstants.ANDROID_URI);
assertEquals("customPrefix", prefix);
prefix =
XmlUtils.lookupNamespacePrefix(baz, "http://schemas.android.com/tools", "tools", false);
assertEquals("tools", prefix);
prefix =
XmlUtils.lookupNamespacePrefix(
baz, "http://schemas.android.com/apk/res/my/pkg", "app", false);
assertEquals("app", prefix);
assertFalse(declaresNamespace(document, "http://schemas.android.com/apk/res/my/pkg"));
prefix =
XmlUtils.lookupNamespacePrefix(
baz, "http://schemas.android.com/apk/res/my/pkg", "app", true /*create*/);
assertEquals("app", prefix);
assertTrue(declaresNamespace(document, "http://schemas.android.com/apk/res/my/pkg"));
}
