BroadcastFilter.java revision 5ac72a29593ab9a20337a2225df52bdf4754be02 
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
17package com.android.server.am;
18
19import android.content.IntentFilter;
20import android.os.UserHandle;
21import android.util.PrintWriterPrinter;
22import android.util.Printer;
23
24import java.io.PrintWriter;
25
26class 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
34    BroadcastFilter(IntentFilter _filter, ReceiverList _receiverList,
35            String _packageName, String _requiredPermission, int _owningUid) {
36        super(_filter);
37        receiverList = _receiverList;
38        packageName = _packageName;
39        requiredPermission = _requiredPermission;
40        owningUid = _owningUid;
41        owningUserId = UserHandle.getUserId(owningUid);
42    }
43
44    public void dump(PrintWriter pw, String prefix) {
45        dumpInReceiverList(pw, new PrintWriterPrinter(pw), prefix);
46        receiverList.dumpLocal(pw, prefix);
47    }
48
49    public void dumpBrief(PrintWriter pw, String prefix) {
50        dumpBroadcastFilterState(pw, prefix);
51    }
52
53    public void dumpInReceiverList(PrintWriter pw, Printer pr, String prefix) {
54        super.dump(pr, prefix);
55        dumpBroadcastFilterState(pw, prefix);
56    }
57
58    void dumpBroadcastFilterState(PrintWriter pw, String prefix) {
59        if (requiredPermission != null) {
60            pw.print(prefix); pw.print("requiredPermission="); pw.println(requiredPermission);
61        }
62    }
63
64    public String toString() {
65        StringBuilder sb = new StringBuilder();
66        sb.append("BroadcastFilter{");
67        sb.append(Integer.toHexString(System.identityHashCode(this)));
68        sb.append(' ');
69        sb.append(receiverList);
70        sb.append('}');
71        return sb.toString();
72    }
73}
74