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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 class BroadcastFilter extends IntentFilter {
     26     // Back-pointer to the list this filter is in.
     27     final ReceiverList receiverList;
     28     final String requiredPermission;
     29 
     30     BroadcastFilter(IntentFilter _filter, ReceiverList _receiverList,
     31             String _requiredPermission) {
     32         super(_filter);
     33         receiverList = _receiverList;
     34         requiredPermission = _requiredPermission;
     35     }
     36 
     37     public void dump(PrintWriter pw, String prefix) {
     38         dumpInReceiverList(pw, new PrintWriterPrinter(pw), prefix);
     39         receiverList.dumpLocal(pw, prefix);
     40     }
     41 
     42     public void dumpBrief(PrintWriter pw, String prefix) {
     43         dumpBroadcastFilterState(pw, prefix);
     44     }
     45 
     46     public void dumpInReceiverList(PrintWriter pw, Printer pr, String prefix) {
     47         super.dump(pr, prefix);
     48         dumpBroadcastFilterState(pw, prefix);
     49     }
     50 
     51     void dumpBroadcastFilterState(PrintWriter pw, String prefix) {
     52         if (requiredPermission != null) {
     53             pw.print(prefix); pw.print("requiredPermission="); pw.println(requiredPermission);
     54         }
     55     }
     56 
     57     public String toString() {
     58         StringBuilder sb = new StringBuilder();
     59         sb.append("BroadcastFilter{");
     60         sb.append(Integer.toHexString(System.identityHashCode(this)));
     61         sb.append(' ');
     62         sb.append(receiverList);
     63         sb.append('}');
     64         return sb.toString();
     65     }
     66 }
     67