1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.util;
18 
19 import com.android.layoutlib.bridge.impl.DelegateManager;
20 import com.android.layoutlib.bridge.impl.ParserFactory;
21 import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
22 
23 import org.xmlpull.v1.XmlPullParser;
24 import org.xmlpull.v1.XmlPullParserException;
25 
26 /**
27  * Delegate overriding some methods of android.util.Xml
28  *
29  * Through the layoutlib_create tool, the original methods of Xml have been replaced
30  * by calls to methods of the same name in this delegate class.
31  *
32  * Because it's a stateless class to start with, there's no need to keep a {@link DelegateManager}
33  * around to map int to instance of the delegate.
34  */
35 public class Xml_Delegate {
36 
37     @LayoutlibDelegate
newPullParser()38     /*package*/ static XmlPullParser newPullParser() {
39         try {
40             return ParserFactory.instantiateParser(null);
41         } catch (XmlPullParserException e) {
42             throw new AssertionError();
43         }
44     }
45 }
46