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 import android.util.proto.ProtoOutputStream;
23 
24 import java.io.PrintWriter;
25 
26 final class BroadcastFilter extends IntentFilter {
27     // Back-pointer to the list this filter is in.
28     final ReceiverList receiverList;
29     final String packageName;
30     final String requiredPermission;
31     final int owningUid;
32     final int owningUserId;
33     final boolean instantApp;
34     final boolean visibleToInstantApp;
35 
BroadcastFilter(IntentFilter _filter, ReceiverList _receiverList, String _packageName, String _requiredPermission, int _owningUid, int _userId, boolean _instantApp, boolean _visibleToInstantApp)36     BroadcastFilter(IntentFilter _filter, ReceiverList _receiverList,
37             String _packageName, String _requiredPermission, int _owningUid, int _userId,
38             boolean _instantApp, boolean _visibleToInstantApp) {
39         super(_filter);
40         receiverList = _receiverList;
41         packageName = _packageName;
42         requiredPermission = _requiredPermission;
43         owningUid = _owningUid;
44         owningUserId = _userId;
45         instantApp = _instantApp;
46         visibleToInstantApp = _visibleToInstantApp;
47     }
48 
writeToProto(ProtoOutputStream proto, long fieldId)49     public void writeToProto(ProtoOutputStream proto, long fieldId) {
50         long token = proto.start(fieldId);
51         super.writeToProto(proto, BroadcastFilterProto.INTENT_FILTER);
52         if (requiredPermission != null) {
53             proto.write(BroadcastFilterProto.REQUIRED_PERMISSION, requiredPermission);
54         }
55         proto.write(BroadcastFilterProto.HEX_HASH, Integer.toHexString(System.identityHashCode(this)));
56         proto.write(BroadcastFilterProto.OWNING_USER_ID, owningUserId);
57         proto.end(token);
58     }
59 
dump(PrintWriter pw, String prefix)60     public void dump(PrintWriter pw, String prefix) {
61         dumpInReceiverList(pw, new PrintWriterPrinter(pw), prefix);
62         receiverList.dumpLocal(pw, prefix);
63     }
64 
dumpBrief(PrintWriter pw, String prefix)65     public void dumpBrief(PrintWriter pw, String prefix) {
66         dumpBroadcastFilterState(pw, prefix);
67     }
68 
dumpInReceiverList(PrintWriter pw, Printer pr, String prefix)69     public void dumpInReceiverList(PrintWriter pw, Printer pr, String prefix) {
70         super.dump(pr, prefix);
71         dumpBroadcastFilterState(pw, prefix);
72     }
73 
dumpBroadcastFilterState(PrintWriter pw, String prefix)74     void dumpBroadcastFilterState(PrintWriter pw, String prefix) {
75         if (requiredPermission != null) {
76             pw.print(prefix); pw.print("requiredPermission="); pw.println(requiredPermission);
77         }
78     }
79 
toString()80     public String toString() {
81         StringBuilder sb = new StringBuilder();
82         sb.append("BroadcastFilter{");
83         sb.append(Integer.toHexString(System.identityHashCode(this)));
84         sb.append(' ');
85         sb.append(owningUid);
86         sb.append("/u");
87         sb.append(owningUserId);
88         sb.append(' ');
89         sb.append(receiverList);
90         sb.append('}');
91         return sb.toString();
92     }
93 }
94