shawnlin | 65bbe79 | 2018-08-20 16:20:43 +0800 | [diff] [blame] | 1 | package com.android.documentsui; |
| 2 | |
| 3 | import static com.android.documentsui.base.DocumentInfo.getCursorString; |
| 4 | |
| 5 | import android.database.Cursor; |
| 6 | import android.net.Uri; |
| 7 | import android.provider.DocumentsContract; |
| 8 | import android.util.Log; |
| 9 | |
| 10 | import com.android.documentsui.base.DocumentInfo; |
| 11 | import com.android.documentsui.roots.RootCursorWrapper; |
| 12 | |
| 13 | import java.util.ArrayList; |
| 14 | import java.util.List; |
| 15 | |
| 16 | public class ModelId { |
| 17 | private final static String TAG = "ModelId"; |
| 18 | |
| 19 | public static final String build(Uri uri) { |
| 20 | String documentId; |
| 21 | try { |
| 22 | documentId = DocumentsContract.getDocumentId(uri); |
| 23 | } catch (IllegalArgumentException e) { |
| 24 | Log.e(TAG, "Failed to get document id.", e); |
| 25 | return null; |
| 26 | } |
| 27 | String authority; |
| 28 | authority = uri.getAuthority(); |
| 29 | return ModelId.build(authority, documentId); |
| 30 | } |
| 31 | |
| 32 | public static final String build(DocumentInfo docInfo) { |
| 33 | if (docInfo == null) { |
| 34 | return null; |
| 35 | } |
| 36 | return ModelId.build(docInfo.authority, docInfo.documentId); |
| 37 | } |
| 38 | |
| 39 | public static final String build(Cursor cursor) { |
| 40 | if (cursor == null) { |
| 41 | return null; |
| 42 | } |
| 43 | return ModelId.build(getCursorString(cursor, RootCursorWrapper.COLUMN_AUTHORITY), |
| 44 | getCursorString(cursor, DocumentsContract.Document.COLUMN_DOCUMENT_ID)); |
| 45 | } |
| 46 | |
| 47 | public static final ArrayList<String> build(ArrayList<Uri> uris) { |
| 48 | if (uris == null || uris.isEmpty()) { |
| 49 | return null; |
| 50 | } |
| 51 | ArrayList<String> ids = new ArrayList<>(); |
| 52 | String id; |
| 53 | for (Uri uri : uris) { |
| 54 | id = ModelId.build(uri); |
| 55 | if (id != null) { |
| 56 | ids.add(id); |
| 57 | } |
| 58 | } |
| 59 | return ids; |
| 60 | } |
| 61 | |
| 62 | public static final String build(String authority, String docId) { |
| 63 | if (authority == null || authority.isEmpty() || docId == null || docId.isEmpty()) { |
| 64 | return null; |
| 65 | } |
| 66 | return authority + "|" + docId; |
| 67 | } |
| 68 | } |