1 /*
2  * Copyright (C) 2006 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 com.android.server.am;
18 
19 import android.content.IntentFilter;
20 import android.util.PrintWriterPrinter;
21 import android.util.Printer;
22 
23 import java.io.PrintWriter;
24 
25 final class BroadcastFilter extends IntentFilter {
26     // Back-pointer to the list this filter is in.
27     final ReceiverList receiverList;
28     final String packageName;
29     final String requiredPermission;
30     final int owningUid;
31     final int owningUserId;
32 
BroadcastFilter(IntentFilter _filter, ReceiverList _receiverList, String _packageName, String _requiredPermission, int _owningUid, int _userId)33     BroadcastFilter(IntentFilter _filter, ReceiverList _receiverList,
34             String _packageName, String _requiredPermission, int _owningUid, int _userId) {
35         super(_filter);
36         receiverList = _receiverList;
37         packageName = _packageName;
38         requiredPermission = _requiredPermission;
39         owningUid = _owningUid;
40         owningUserId = _userId;
41     }
42 
dump(PrintWriter pw, String prefix)43     public void dump(PrintWriter pw, String prefix) {
44         dumpInReceiverList(pw, new PrintWriterPrinter(pw), prefix);
45         receiverList.dumpLocal(pw, prefix);
46     }
47 
dumpBrief(PrintWriter pw, String prefix)48     public void dumpBrief(PrintWriter pw, String prefix) {
49         dumpBroadcastFilterState(pw, prefix);
50     }
51 
dumpInReceiverList(PrintWriter pw, Printer pr, String prefix)52     public void dumpInReceiverList(PrintWriter pw, Printer pr, String prefix) {
53         super.dump(pr, prefix);
54         dumpBroadcastFilterState(pw, prefix);
55     }
56 
dumpBroadcastFilterState(PrintWriter pw, String prefix)57     void dumpBroadcastFilterState(PrintWriter pw, String prefix) {
58         if (requiredPermission != null) {
59             pw.print(prefix); pw.print("requiredPermission="); pw.println(requiredPermission);
60         }
61     }
62 
toString()63     public String toString() {
64         StringBuilder sb = new StringBuilder();
65         sb.append("BroadcastFilter{");
66         sb.append(Integer.toHexString(System.identityHashCode(this)));
67         sb.append(" u");
68         sb.append(owningUserId);
69         sb.append(' ');
70         sb.append(receiverList);
71         sb.append('}');
72         return sb.toString();
73     }
74 }
75