91 lines
2.4 KiB
Java
91 lines
2.4 KiB
Java
package androidx.documentfile.provider;
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import android.content.Context;
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import android.net.Uri;
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import android.provider.DocumentsContract;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import java.io.File;
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public abstract class DocumentFile {
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public static final String TAG = "DocumentFile";
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@Nullable
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private final DocumentFile mParent;
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public DocumentFile(@Nullable DocumentFile documentFile) {
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this.mParent = documentFile;
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}
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@NonNull
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public static DocumentFile fromFile(@NonNull File file) {
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return new RawDocumentFile(null, file);
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}
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@Nullable
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public static DocumentFile fromSingleUri(@NonNull Context context, @NonNull Uri uri) {
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return new SingleDocumentFile(null, context, uri);
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}
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@Nullable
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public static DocumentFile fromTreeUri(@NonNull Context context, @NonNull Uri uri) {
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return new TreeDocumentFile(null, context, DocumentsContract.buildDocumentUriUsingTree(uri, DocumentsContract.getTreeDocumentId(uri)));
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}
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public static boolean isDocumentUri(@NonNull Context context, @Nullable Uri uri) {
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return DocumentsContract.isDocumentUri(context, uri);
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}
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public abstract boolean canRead();
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public abstract boolean canWrite();
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@Nullable
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public abstract DocumentFile createDirectory(@NonNull String str);
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@Nullable
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public abstract DocumentFile createFile(@NonNull String str, @NonNull String str2);
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public abstract boolean delete();
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public abstract boolean exists();
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@Nullable
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public DocumentFile findFile(@NonNull String str) {
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DocumentFile[] listFiles = listFiles();
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for (DocumentFile documentFile : listFiles) {
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if (str.equals(documentFile.getName())) {
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return documentFile;
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}
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}
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return null;
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}
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@Nullable
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public abstract String getName();
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@Nullable
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public DocumentFile getParentFile() {
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return this.mParent;
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}
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@Nullable
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public abstract String getType();
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@NonNull
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public abstract Uri getUri();
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public abstract boolean isDirectory();
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public abstract boolean isFile();
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public abstract boolean isVirtual();
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public abstract long lastModified();
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public abstract long length();
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@NonNull
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public abstract DocumentFile[] listFiles();
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public abstract boolean renameTo(@NonNull String str);
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}
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