-
-
Notifications
You must be signed in to change notification settings - Fork 44
/
DomUtil.java
63 lines (55 loc) · 1.88 KB
/
DomUtil.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
package me.nallar.tickthreading.util;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;
import me.nallar.tickthreading.Log;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public enum DomUtil {
;
public static List<Element> getElementsByTag(Element element, String tagName) {
return elementList(element.getElementsByTagName(tagName));
}
public static List<Element> elementList(NodeList nodeList) {
List<Node> nodes = nodeList(nodeList);
ArrayList<Element> elements = new ArrayList<Element>(nodeList.getLength());
for (Node node : nodes) {
if (node instanceof Element) {
elements.add((Element) node);
}
}
elements.trimToSize();
return elements;
}
public static List<Node> nodeList(NodeList nodeList) {
int length = nodeList.getLength();
List<Node> nodes = new ArrayList<Node>(length);
for (int i = 0; i < length; i++) {
nodes.add(nodeList.item(i));
}
return nodes;
}
public static String nodeToString(Node node) {
TransformerFactory transFactory = TransformerFactory.newInstance();
try {
Transformer transformer = transFactory.newTransformer();
StringWriter buffer = new StringWriter();
transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
transformer.transform(new DOMSource(node), new StreamResult(buffer));
return buffer.toString();
} catch (TransformerException e) {
Log.severe("Failed to convert " + node + " to string.", e);
}
return "";
}
public static int getHash(Node node) {
return nodeToString(node).hashCode();
}
}