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      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 
     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 
     43     public void dump(PrintWriter pw, String prefix) {
     44         dumpInReceiverList(pw, new PrintWriterPrinter(pw), prefix);
     45         receiverList.dumpLocal(pw, prefix);
     46     }
     47 
     48     public void dumpBrief(PrintWriter pw, String prefix) {
     49         dumpBroadcastFilterState(pw, prefix);
     50     }
     51 
     52     public void dumpInReceiverList(PrintWriter pw, Printer pr, String prefix) {
     53         super.dump(pr, prefix);
     54         dumpBroadcastFilterState(pw, prefix);
     55     }
     56 
     57     void dumpBroadcastFilterState(PrintWriter pw, String prefix) {
     58         if (requiredPermission != null) {
     59             pw.print(prefix); pw.print("requiredPermission="); pw.println(requiredPermission);
     60         }
     61     }
     62 
     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