From e489c8d937a21626a063e43304602f4839b77e52 Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Sun, 26 Jun 2011 00:27:38 +0000
Subject: [PATCH] stub out a cache ContentProvider
---
AndroidManifest.xml | 2 +
.../router/provider/CacheProvider.java | 87 +++++++++++++++++++
2 files changed, 89 insertions(+)
create mode 100644 src/net/i2p/android/router/provider/CacheProvider.java
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index f73dfbb98..62f050099 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -15,6 +15,8 @@
<service android:name=".service.RouterService"
android:label="@string/app_name"
android:icon="@drawable/ic_launcher_itoopie" />
+ <provider android:name=".provider.CacheProvider"
+ android:authorities="net.i2p.android.router" />
<activity android:name=".activity.MainActivity"
android:label="@string/app_name"
android:icon="@drawable/ic_launcher_itoopie"
diff --git a/src/net/i2p/android/router/provider/CacheProvider.java b/src/net/i2p/android/router/provider/CacheProvider.java
new file mode 100644
index 000000000..12103b01c
--- /dev/null
+++ b/src/net/i2p/android/router/provider/CacheProvider.java
@@ -0,0 +1,87 @@
+package net.i2p.android.router.provider;
+
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.ParcelFileDescriptor;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import net.i2p.android.router.util.Util;
+
+/**
+ * Usage: content://net.i2p.android.router/foobar.i2p/path/to/blah.html?foo=bar&baz=baf
+ *
+ * http://www.techjini.com/blog/2009/01/10/android-tip-1-contentprovider-accessing-local-file-system-from-webview-showing-image-in-webview-using-content/
+ */
+public class CacheProvider extends ContentProvider {
+
+ /** content:// Uri to file:// Uri */
+ private Map<Uri, String> _uriMap;
+
+ public static final Uri CONTENT_URI = Uri.parse("content://net.i2p.android.router");
+ /** the database key */
+ public static final String DATA = "_data";
+
+
+ @Override
+ public ParcelFileDescriptor openFile(Uri uri, String mode) throws FileNotFoundException {
+ Util.e("CacheProvider open " + uri);
+ // map the resource URI to a local file URI and return it if it exists
+ String path = _uriMap.get(uri);
+ if (path != null) {
+ try {
+ File file = new File(path);
+ return ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
+ } catch (FileNotFoundException fnfe) {
+ }
+ }
+ String newURI = uri.getPath();
+ if (path == null)
+ throw new FileNotFoundException("Bad uri " + uri);
+ // convert the encoded path to the new uri
+ //load the URL with eepget
+ File file = new File(path);
+ ParcelFileDescriptor parcel = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY);
+ return parcel;
+ }
+
+ public int delete(Uri uri, String selection, String[] selectionArgs) {
+ Util.e("CacheProvider delete " + uri);
+ String deleted = _uriMap.remove(uri);
+ return deleted != null ? 1 : 0;
+ }
+
+ public String getType(Uri uri) {
+ return "text/html";
+ }
+
+ /*
+ * _data -> String file:///path/to/file
+ */
+ public Uri insert(Uri uri, ContentValues values) {
+ Util.e("CacheProvider insert " + uri);
+ String fileURI = values.getAsString(DATA);
+ if (fileURI != null)
+ _uriMap.put(uri, fileURI);
+ return uri;
+ }
+
+ public boolean onCreate() {
+ _uriMap = new ConcurrentHashMap();
+ return true;
+ }
+
+ public Cursor query(Uri uri, String[] projection, String selection, String[] selecctionArgs, String sortOrder) {
+ // TODO return a MatrixCursor with a _data entry
+ return null;
+ }
+
+ public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+ return 0;
+ }
+}
--
GitLab