ADD week 5

2025-03-31 16:33:42 +02:00
parent 86f265f22d
commit bf645048e6
4927 changed files with 544053 additions and 0 deletions
--- a/02-Easy5/E5/sources/androidx/documentfile/provider/RawDocumentFile.java
+++ b/02-Easy5/E5/sources/androidx/documentfile/provider/RawDocumentFile.java
@@ -0,0 +1,155 @@
+package androidx.documentfile.provider;
+
+import android.net.Uri;
+import android.util.Log;
+import android.webkit.MimeTypeMap;
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+
+/* loaded from: classes.dex */
+class RawDocumentFile extends DocumentFile {
+    private File mFile;
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public boolean isVirtual() {
+        return false;
+    }
+
+    RawDocumentFile(DocumentFile documentFile, File file) {
+        super(documentFile);
+        this.mFile = file;
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public DocumentFile createFile(String str, String str2) {
+        String extensionFromMimeType = MimeTypeMap.getSingleton().getExtensionFromMimeType(str);
+        if (extensionFromMimeType != null) {
+            str2 = str2 + "." + extensionFromMimeType;
+        }
+        File file = new File(this.mFile, str2);
+        try {
+            file.createNewFile();
+            return new RawDocumentFile(this, file);
+        } catch (IOException e) {
+            Log.w("DocumentFile", "Failed to createFile: " + e);
+            return null;
+        }
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public DocumentFile createDirectory(String str) {
+        File file = new File(this.mFile, str);
+        if (file.isDirectory() || file.mkdir()) {
+            return new RawDocumentFile(this, file);
+        }
+        return null;
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public Uri getUri() {
+        return Uri.fromFile(this.mFile);
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public String getName() {
+        return this.mFile.getName();
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public String getType() {
+        if (this.mFile.isDirectory()) {
+            return null;
+        }
+        return getTypeForName(this.mFile.getName());
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public boolean isDirectory() {
+        return this.mFile.isDirectory();
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public boolean isFile() {
+        return this.mFile.isFile();
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public long lastModified() {
+        return this.mFile.lastModified();
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public long length() {
+        return this.mFile.length();
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public boolean canRead() {
+        return this.mFile.canRead();
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public boolean canWrite() {
+        return this.mFile.canWrite();
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public boolean delete() {
+        deleteContents(this.mFile);
+        return this.mFile.delete();
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public boolean exists() {
+        return this.mFile.exists();
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public DocumentFile[] listFiles() {
+        ArrayList arrayList = new ArrayList();
+        File[] listFiles = this.mFile.listFiles();
+        if (listFiles != null) {
+            for (File file : listFiles) {
+                arrayList.add(new RawDocumentFile(this, file));
+            }
+        }
+        return (DocumentFile[]) arrayList.toArray(new DocumentFile[arrayList.size()]);
+    }
+
+    @Override // androidx.documentfile.provider.DocumentFile
+    public boolean renameTo(String str) {
+        File file = new File(this.mFile.getParentFile(), str);
+        if (!this.mFile.renameTo(file)) {
+            return false;
+        }
+        this.mFile = file;
+        return true;
+    }
+
+    private static String getTypeForName(String str) {
+        int lastIndexOf = str.lastIndexOf(46);
+        if (lastIndexOf < 0) {
+            return "application/octet-stream";
+        }
+        String mimeTypeFromExtension = MimeTypeMap.getSingleton().getMimeTypeFromExtension(str.substring(lastIndexOf + 1).toLowerCase());
+        return mimeTypeFromExtension != null ? mimeTypeFromExtension : "application/octet-stream";
+    }
+
+    private static boolean deleteContents(File file) {
+        File[] listFiles = file.listFiles();
+        boolean z = true;
+        if (listFiles != null) {
+            for (File file2 : listFiles) {
+                if (file2.isDirectory()) {
+                    z &= deleteContents(file2);
+                }
+                if (!file2.delete()) {
+                    Log.w("DocumentFile", "Failed to delete " + file2);
+                    z = false;
+                }
+            }
+        }
+        return z;
+    }
+}