xref: /aosp_15_r20/art/test/626-const-class-linking/src/DelegatingLoader.java (revision 795d594fd825385562da6b089ea9b2033f3abf5a)
1*795d594fSAndroid Build Coastguard Worker /*
2*795d594fSAndroid Build Coastguard Worker  * Copyright (C) 2016 The Android Open Source Project
3*795d594fSAndroid Build Coastguard Worker  *
4*795d594fSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*795d594fSAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*795d594fSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*795d594fSAndroid Build Coastguard Worker  *
8*795d594fSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*795d594fSAndroid Build Coastguard Worker  *
10*795d594fSAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*795d594fSAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*795d594fSAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*795d594fSAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*795d594fSAndroid Build Coastguard Worker  * limitations under the License.
15*795d594fSAndroid Build Coastguard Worker  */
16*795d594fSAndroid Build Coastguard Worker 
17*795d594fSAndroid Build Coastguard Worker public class DelegatingLoader extends DefiningLoader {
18*795d594fSAndroid Build Coastguard Worker     private DefiningLoader defining_loader;
19*795d594fSAndroid Build Coastguard Worker 
DelegatingLoader(ClassLoader parent, DefiningLoader defining_loader)20*795d594fSAndroid Build Coastguard Worker     public DelegatingLoader(ClassLoader parent, DefiningLoader defining_loader) {
21*795d594fSAndroid Build Coastguard Worker         super(parent);
22*795d594fSAndroid Build Coastguard Worker         this.defining_loader = defining_loader;
23*795d594fSAndroid Build Coastguard Worker     }
24*795d594fSAndroid Build Coastguard Worker 
resetDefiningLoader(DefiningLoader defining_loader)25*795d594fSAndroid Build Coastguard Worker     public void resetDefiningLoader(DefiningLoader defining_loader) {
26*795d594fSAndroid Build Coastguard Worker         this.defining_loader = defining_loader;
27*795d594fSAndroid Build Coastguard Worker     }
28*795d594fSAndroid Build Coastguard Worker 
findClass(String name)29*795d594fSAndroid Build Coastguard Worker     protected Class<?> findClass(String name) throws ClassNotFoundException
30*795d594fSAndroid Build Coastguard Worker     {
31*795d594fSAndroid Build Coastguard Worker         if (name.equals("Test")) {
32*795d594fSAndroid Build Coastguard Worker             throw new Error("Unexpected DelegatingLoader.findClass(\"Test\")");
33*795d594fSAndroid Build Coastguard Worker         }
34*795d594fSAndroid Build Coastguard Worker         return super.findClass(name);
35*795d594fSAndroid Build Coastguard Worker     }
36*795d594fSAndroid Build Coastguard Worker 
loadClass(String name, boolean resolve)37*795d594fSAndroid Build Coastguard Worker     protected Class<?> loadClass(String name, boolean resolve)
38*795d594fSAndroid Build Coastguard Worker         throws ClassNotFoundException
39*795d594fSAndroid Build Coastguard Worker     {
40*795d594fSAndroid Build Coastguard Worker         if (name.equals("Test")) {
41*795d594fSAndroid Build Coastguard Worker             return defining_loader.loadClass(name, resolve);
42*795d594fSAndroid Build Coastguard Worker         }
43*795d594fSAndroid Build Coastguard Worker         return super.loadClass(name, resolve);
44*795d594fSAndroid Build Coastguard Worker     }
45*795d594fSAndroid Build Coastguard Worker }
46