Yorke Lee | 2644d94 | 2013-10-28 11:05:43 -0700 | [diff] [blame] | 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 | |
Gary Mai | 69c182a | 2016-12-05 13:07:03 -0800 | [diff] [blame] | 17 | package com.android.contacts.util; |
Yorke Lee | 2644d94 | 2013-10-28 11:05:43 -0700 | [diff] [blame] | 18 | |
| 19 | import android.content.ContentResolver; |
| 20 | import android.content.ContentUris; |
| 21 | import android.net.Uri; |
| 22 | import android.provider.Contacts; |
| 23 | import android.provider.ContactsContract; |
| 24 | import android.provider.ContactsContract.RawContacts; |
| 25 | |
| 26 | /** |
| 27 | * Utility methods for the {@link ContactLoader}. |
| 28 | */ |
| 29 | public final class ContactLoaderUtils { |
| 30 | |
| 31 | /** Static helper, not instantiable. */ |
| 32 | private ContactLoaderUtils() {} |
| 33 | |
| 34 | /** |
| 35 | * Transforms the given Uri and returns a Lookup-Uri that represents the contact. |
| 36 | * For legacy contacts, a raw-contact lookup is performed. An {@link IllegalArgumentException} |
| 37 | * can be thrown if the URI is null or the authority is not recognized. |
| 38 | * |
| 39 | * Do not call from the UI thread. |
| 40 | */ |
| 41 | @SuppressWarnings("deprecation") |
| 42 | public static Uri ensureIsContactUri(final ContentResolver resolver, final Uri uri) |
| 43 | throws IllegalArgumentException { |
| 44 | if (uri == null) throw new IllegalArgumentException("uri must not be null"); |
| 45 | |
| 46 | final String authority = uri.getAuthority(); |
| 47 | |
| 48 | // Current Style Uri? |
| 49 | if (ContactsContract.AUTHORITY.equals(authority)) { |
| 50 | final String type = resolver.getType(uri); |
| 51 | // Contact-Uri? Good, return it |
| 52 | if (ContactsContract.Contacts.CONTENT_ITEM_TYPE.equals(type)) { |
| 53 | return uri; |
| 54 | } |
| 55 | |
| 56 | // RawContact-Uri? Transform it to ContactUri |
| 57 | if (RawContacts.CONTENT_ITEM_TYPE.equals(type)) { |
| 58 | final long rawContactId = ContentUris.parseId(uri); |
| 59 | return RawContacts.getContactLookupUri(resolver, |
| 60 | ContentUris.withAppendedId(RawContacts.CONTENT_URI, rawContactId)); |
| 61 | } |
| 62 | |
| 63 | // Anything else? We don't know what this is |
| 64 | throw new IllegalArgumentException("uri format is unknown"); |
| 65 | } |
| 66 | |
| 67 | // Legacy Style? Convert to RawContact |
| 68 | final String OBSOLETE_AUTHORITY = Contacts.AUTHORITY; |
| 69 | if (OBSOLETE_AUTHORITY.equals(authority)) { |
| 70 | // Legacy Format. Convert to RawContact-Uri and then lookup the contact |
| 71 | final long rawContactId = ContentUris.parseId(uri); |
| 72 | return RawContacts.getContactLookupUri(resolver, |
| 73 | ContentUris.withAppendedId(RawContacts.CONTENT_URI, rawContactId)); |
| 74 | } |
| 75 | |
| 76 | throw new IllegalArgumentException("uri authority is unknown"); |
| 77 | } |
| 78 | } |