private static Xpp3Dom createExpectedDom() {
Xpp3Dom expectedDom = new Xpp3Dom("root");
Xpp3Dom el1 = new Xpp3Dom("el1");
el1.setValue("element1");
expectedDom.addChild(el1);
Xpp3Dom el2 = new Xpp3Dom("el2");
el2.setAttribute("att2", "attribute2\nnextline");
expectedDom.addChild(el2);
Xpp3Dom el3 = new Xpp3Dom("el3");
el3.setAttribute("att3", "attribute3");
el3.setValue("element3");
el2.addChild(el3);
Xpp3Dom el4 = new Xpp3Dom("el4");
el4.setValue("");
expectedDom.addChild(el4);
Xpp3Dom el5 = new Xpp3Dom("el5");
expectedDom.addChild(el5);
Xpp3Dom el6 = new Xpp3Dom("el6");
el6.setAttribute("xml:space", "preserve");
el6.setValue(" do not trim ");
expectedDom.addChild(el6);
return expectedDom;
}
public static Xpp3Dom build(XmlPullParser parser, boolean trim)
throws XmlPullParserException, IOException {
List<Xpp3Dom> elements = new ArrayList<Xpp3Dom>();
List<StringBuilder> values = new ArrayList<StringBuilder>();
int eventType = parser.getEventType();
boolean spacePreserve = false;
while (eventType != XmlPullParser.END_DOCUMENT) {
if (eventType == XmlPullParser.START_TAG) {
spacePreserve = false;
String rawName = parser.getName();
Xpp3Dom childConfiguration = new Xpp3Dom(rawName);
int depth = elements.size();
if (depth > 0) {
Xpp3Dom parent = elements.get(depth - 1);
parent.addChild(childConfiguration);
}
elements.add(childConfiguration);
if (parser.isEmptyElementTag()) {
values.add(null);
} else {
values.add(new StringBuilder());
}
int attributesSize = parser.getAttributeCount();
for (int i = 0; i < attributesSize; i++) {
String name = parser.getAttributeName(i);
String value = parser.getAttributeValue(i);
childConfiguration.setAttribute(name, value);
spacePreserve = spacePreserve || ("xml:space".equals(name) && "preserve".equals(value));
}
} else if (eventType == XmlPullParser.TEXT) {
int depth = values.size() - 1;
@SuppressWarnings("MismatchedQueryAndUpdateOfStringBuilder")
StringBuilder valueBuffer = values.get(depth);
String text = parser.getText();
if (trim && !spacePreserve) {
text = text.trim();
}
valueBuffer.append(text);
} else if (eventType == XmlPullParser.END_TAG) {
int depth = elements.size() - 1;
Xpp3Dom finishedConfiguration = elements.remove(depth);
/* this Object could be null if it is a singleton tag */
Object accumulatedValue = values.remove(depth);
if (finishedConfiguration.getChildCount() == 0) {
if (accumulatedValue == null) {
finishedConfiguration.setValue(null);
} else {
finishedConfiguration.setValue(accumulatedValue.toString());
}
}
if (depth == 0) {
return finishedConfiguration;
}
}
eventType = parser.next();
}
throw new IllegalStateException("End of document found before returning to 0 depth");
}
