1/*
2 * Copyright (C) 2011 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.pm;
18
19import com.android.internal.util.XmlUtils;
20
21import org.xmlpull.v1.XmlPullParser;
22import org.xmlpull.v1.XmlPullParserException;
23import org.xmlpull.v1.XmlSerializer;
24
25import android.content.ComponentName;
26import android.content.IntentFilter;
27import android.util.Log;
28
29import java.io.IOException;
30
31class PreferredActivity extends IntentFilter implements PreferredComponent.Callbacks {
32    private static final String TAG = "PreferredActivity";
33
34    private static final boolean DEBUG_FILTERS = false;
35
36    final PreferredComponent mPref;
37
38    PreferredActivity(IntentFilter filter, int match, ComponentName[] set, ComponentName activity,
39            boolean always) {
40        super(filter);
41        mPref = new PreferredComponent(this, match, set, activity, always);
42    }
43
44    PreferredActivity(XmlPullParser parser) throws XmlPullParserException, IOException {
45        mPref = new PreferredComponent(this, parser);
46    }
47
48    public void writeToXml(XmlSerializer serializer, boolean full) throws IOException {
49        mPref.writeToXml(serializer, full);
50        serializer.startTag(null, "filter");
51            super.writeToXml(serializer);
52        serializer.endTag(null, "filter");
53    }
54
55    public boolean onReadTag(String tagName, XmlPullParser parser) throws XmlPullParserException,
56            IOException {
57        if (tagName.equals("filter")) {
58            if (DEBUG_FILTERS) {
59                Log.i(TAG, "Starting to parse filter...");
60            }
61            readFromXml(parser);
62            if (DEBUG_FILTERS) {
63                Log.i(TAG, "Finished filter: depth=" + parser.getDepth() + " tag="
64                        + parser.getName());
65            }
66        } else {
67            PackageManagerService.reportSettingsProblem(Log.WARN,
68                    "Unknown element under <preferred-activities>: " + parser.getName());
69            XmlUtils.skipCurrentTag(parser);
70        }
71        return true;
72    }
73
74    @Override
75    public String toString() {
76        return "PreferredActivity{0x" + Integer.toHexString(System.identityHashCode(this))
77                + " " + mPref.mComponent.flattenToShortString() + "}";
78    }
79}
80