1 /* 2 * Copyright (C) 2013 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 android.content; 18 19 import android.net.Uri; 20 import android.os.Parcel; 21 import android.os.Parcelable; 22 23 /** 24 * Description of a single Uri permission grant. This grants may have been 25 * created via {@link Intent#FLAG_GRANT_READ_URI_PERMISSION}, etc when sending 26 * an {@link Intent}, or explicitly through 27 * {@link Context#grantUriPermission(String, android.net.Uri, int)}. 28 * 29 * @see ContentResolver#getPersistedUriPermissions() 30 */ 31 public final class UriPermission implements Parcelable { 32 private final Uri mUri; 33 private final int mModeFlags; 34 private final long mPersistedTime; 35 36 /** 37 * Value returned when a permission has not been persisted. 38 */ 39 public static final long INVALID_TIME = Long.MIN_VALUE; 40 41 /** {@hide} */ UriPermission(Uri uri, int modeFlags, long persistedTime)42 public UriPermission(Uri uri, int modeFlags, long persistedTime) { 43 mUri = uri; 44 mModeFlags = modeFlags; 45 mPersistedTime = persistedTime; 46 } 47 48 /** {@hide} */ UriPermission(Parcel in)49 public UriPermission(Parcel in) { 50 mUri = in.readParcelable(null); 51 mModeFlags = in.readInt(); 52 mPersistedTime = in.readLong(); 53 } 54 55 /** 56 * Return the Uri this permission pertains to. 57 */ getUri()58 public Uri getUri() { 59 return mUri; 60 } 61 62 /** 63 * Returns if this permission offers read access. 64 */ isReadPermission()65 public boolean isReadPermission() { 66 return (mModeFlags & Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0; 67 } 68 69 /** 70 * Returns if this permission offers write access. 71 */ isWritePermission()72 public boolean isWritePermission() { 73 return (mModeFlags & Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0; 74 } 75 76 /** 77 * Return the time when this permission was first persisted, in milliseconds 78 * since January 1, 1970 00:00:00.0 UTC. Returns {@link #INVALID_TIME} if 79 * not persisted. 80 * 81 * @see ContentResolver#takePersistableUriPermission(Uri, int) 82 * @see System#currentTimeMillis() 83 */ getPersistedTime()84 public long getPersistedTime() { 85 return mPersistedTime; 86 } 87 88 @Override toString()89 public String toString() { 90 return "UriPermission {uri=" + mUri + ", modeFlags=" + mModeFlags + ", persistedTime=" 91 + mPersistedTime + "}"; 92 } 93 94 @Override describeContents()95 public int describeContents() { 96 return 0; 97 } 98 99 @Override writeToParcel(Parcel dest, int flags)100 public void writeToParcel(Parcel dest, int flags) { 101 dest.writeParcelable(mUri, flags); 102 dest.writeInt(mModeFlags); 103 dest.writeLong(mPersistedTime); 104 } 105 106 public static final @android.annotation.NonNull Creator<UriPermission> CREATOR = new Creator<UriPermission>() { 107 @Override 108 public UriPermission createFromParcel(Parcel source) { 109 return new UriPermission(source); 110 } 111 112 @Override 113 public UriPermission[] newArray(int size) { 114 return new UriPermission[size]; 115 } 116 }; 117 } 118