1 /* 2 * Copyright (C) 2014 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.pm; 18 19 import android.content.ComponentName; 20 import android.content.IntentFilter; 21 import android.util.Log; 22 23 import com.android.internal.util.XmlUtils; 24 25 import org.xmlpull.v1.XmlPullParser; 26 import org.xmlpull.v1.XmlPullParserException; 27 import org.xmlpull.v1.XmlSerializer; 28 29 import java.io.IOException; 30 31 class PersistentPreferredActivity extends IntentFilter { 32 private static final String ATTR_NAME = "name"; // component name 33 private static final String ATTR_FILTER = "filter"; // filter 34 private static final String ATTR_SET_BY_DPM = "set-by-dpm"; // set by DPM 35 36 private static final String TAG = "PersistentPreferredActivity"; 37 38 private static final boolean DEBUG_FILTERS = false; 39 40 final ComponentName mComponent; 41 final boolean mIsSetByDpm; 42 PersistentPreferredActivity(IntentFilter filter, ComponentName activity, boolean isSetByDpm)43 PersistentPreferredActivity(IntentFilter filter, ComponentName activity, boolean isSetByDpm) { 44 super(filter); 45 mComponent = activity; 46 mIsSetByDpm = isSetByDpm; 47 } 48 PersistentPreferredActivity(XmlPullParser parser)49 PersistentPreferredActivity(XmlPullParser parser) throws XmlPullParserException, IOException { 50 String shortComponent = parser.getAttributeValue(null, ATTR_NAME); 51 mComponent = ComponentName.unflattenFromString(shortComponent); 52 if (mComponent == null) { 53 PackageManagerService.reportSettingsProblem(Log.WARN, 54 "Error in package manager settings: " + 55 "Bad activity name " + shortComponent + 56 " at " + parser.getPositionDescription()); 57 } 58 mIsSetByDpm = Boolean.parseBoolean(parser.getAttributeValue(null, ATTR_SET_BY_DPM)); 59 60 int outerDepth = parser.getDepth(); 61 String tagName = parser.getName(); 62 int type; 63 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 64 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 65 tagName = parser.getName(); 66 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 67 continue; 68 } else if (type == XmlPullParser.START_TAG) { 69 if (tagName.equals(ATTR_FILTER)) { 70 break; 71 } else { 72 PackageManagerService.reportSettingsProblem(Log.WARN, 73 "Unknown element: " + tagName + 74 " at " + parser.getPositionDescription()); 75 XmlUtils.skipCurrentTag(parser); 76 } 77 } 78 } 79 if (tagName.equals(ATTR_FILTER)) { 80 readFromXml(parser); 81 } else { 82 PackageManagerService.reportSettingsProblem(Log.WARN, 83 "Missing element filter at " + 84 parser.getPositionDescription()); 85 XmlUtils.skipCurrentTag(parser); 86 } 87 } 88 writeToXml(XmlSerializer serializer)89 public void writeToXml(XmlSerializer serializer) throws IOException { 90 serializer.attribute(null, ATTR_NAME, mComponent.flattenToShortString()); 91 serializer.attribute(null, ATTR_SET_BY_DPM, Boolean.toString(mIsSetByDpm)); 92 serializer.startTag(null, ATTR_FILTER); 93 super.writeToXml(serializer); 94 serializer.endTag(null, ATTR_FILTER); 95 } 96 97 @Override toString()98 public String toString() { 99 return "PersistentPreferredActivity{0x" + Integer.toHexString(System.identityHashCode(this)) 100 + " " + mComponent.flattenToShortString() 101 + ", mIsSetByDpm=" + mIsSetByDpm + "}"; 102 } 103 } 104