Test location init with doc URI.
Make a more complete test environment.
Move GetRootDocumentTask to roots package.
Change-Id: Icb8f4c42c38c17aa97ec428ef9d46d76d2286fa7
diff --git a/src/com/android/documentsui/DocumentsAccess.java b/src/com/android/documentsui/DocumentsAccess.java
new file mode 100644
index 0000000..cd9c4c9
--- /dev/null
+++ b/src/com/android/documentsui/DocumentsAccess.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.documentsui;
+
+import android.annotation.Nullable;
+import android.content.Context;
+import android.net.Uri;
+import android.provider.DocumentsContract;
+import android.util.Log;
+
+import com.android.documentsui.base.DocumentInfo;
+import com.android.documentsui.base.RootInfo;
+
+import java.io.FileNotFoundException;
+
+/**
+ * Provides synchronous access to {@link DocumentInfo} instances given some identifying information.
+ */
+public interface DocumentsAccess {
+
+ @Nullable DocumentInfo getRootDocument(RootInfo root);
+ @Nullable DocumentInfo getRootDocument(Uri uri);
+ @Nullable DocumentInfo getDocument(Uri uri);
+
+ public static DocumentsAccess create(Context context) {
+ return new RuntimeDocumentAccess(context);
+ }
+
+ public final class RuntimeDocumentAccess implements DocumentsAccess {
+
+ private static final String TAG = "DocumentAccess";
+
+ private final Context mContext;
+
+ private RuntimeDocumentAccess(Context context) {
+ mContext = context;
+ }
+
+ @Override
+ public @Nullable DocumentInfo getRootDocument(RootInfo root) {
+ return getRootDocument(
+ DocumentsContract.buildDocumentUri(root.authority, root.documentId));
+ }
+
+ @Override
+ public @Nullable DocumentInfo getRootDocument(Uri uri) {
+ try {
+ return DocumentInfo.fromUri(mContext.getContentResolver(), uri);
+ } catch (FileNotFoundException e) {
+ Log.w(TAG, "Failed to find root", e);
+ return null;
+ }
+ }
+
+ @Override
+ public DocumentInfo getDocument(Uri uri) {
+ try {
+ return DocumentInfo.fromUri(mContext.getContentResolver(), uri);
+ } catch (FileNotFoundException e) {
+ Log.w(TAG, "Couldn't create DocumentInfo for uri: " + uri);
+ }
+
+ return null;
+ }
+ }
+}