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 17package android.support.v4.provider; 18 19import android.content.Context; 20import android.net.Uri; 21import android.support.annotation.RequiresApi; 22 23@RequiresApi(19) 24class SingleDocumentFile extends DocumentFile { 25 private Context mContext; 26 private Uri mUri; 27 28 SingleDocumentFile(DocumentFile parent, Context context, Uri uri) { 29 super(parent); 30 mContext = context; 31 mUri = uri; 32 } 33 34 @Override 35 public DocumentFile createFile(String mimeType, String displayName) { 36 throw new UnsupportedOperationException(); 37 } 38 39 @Override 40 public DocumentFile createDirectory(String displayName) { 41 throw new UnsupportedOperationException(); 42 } 43 44 @Override 45 public Uri getUri() { 46 return mUri; 47 } 48 49 @Override 50 public String getName() { 51 return DocumentsContractApi19.getName(mContext, mUri); 52 } 53 54 @Override 55 public String getType() { 56 return DocumentsContractApi19.getType(mContext, mUri); 57 } 58 59 @Override 60 public boolean isDirectory() { 61 return DocumentsContractApi19.isDirectory(mContext, mUri); 62 } 63 64 @Override 65 public boolean isFile() { 66 return DocumentsContractApi19.isFile(mContext, mUri); 67 } 68 69 @Override 70 public boolean isVirtual() { 71 return DocumentsContractApi19.isVirtual(mContext, mUri); 72 } 73 74 @Override 75 public long lastModified() { 76 return DocumentsContractApi19.lastModified(mContext, mUri); 77 } 78 79 @Override 80 public long length() { 81 return DocumentsContractApi19.length(mContext, mUri); 82 } 83 84 @Override 85 public boolean canRead() { 86 return DocumentsContractApi19.canRead(mContext, mUri); 87 } 88 89 @Override 90 public boolean canWrite() { 91 return DocumentsContractApi19.canWrite(mContext, mUri); 92 } 93 94 @Override 95 public boolean delete() { 96 return DocumentsContractApi19.delete(mContext, mUri); 97 } 98 99 @Override 100 public boolean exists() { 101 return DocumentsContractApi19.exists(mContext, mUri); 102 } 103 104 @Override 105 public DocumentFile[] listFiles() { 106 throw new UnsupportedOperationException(); 107 } 108 109 @Override 110 public boolean renameTo(String displayName) { 111 throw new UnsupportedOperationException(); 112 } 113} 114