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authorsteckbrief <steckbrief@chefmail.de>2015-11-06 20:23:43 +0100
committersteckbrief <steckbrief@chefmail.de>2015-11-06 20:23:43 +0100
commit8838a5094812e0540ccfef3334e49e1a5c1a564b (patch)
tree353f4513b8f38b77fd4219c2d92a46b0f87694ff /src/main/java/de/thedevstack/conversationsplus/utils/StreamUtil.java
parentb22d863c362bb6492240700c0f69f1a5d926f46b (diff)
FileBackend splitted into several util classes for separate concerns: AvatarUtil, StreamUtil, ImageUtil. Unused imports removed.
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/utils/StreamUtil.java')
-rw-r--r--src/main/java/de/thedevstack/conversationsplus/utils/StreamUtil.java48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/StreamUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/StreamUtil.java
new file mode 100644
index 00000000..64f46314
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/StreamUtil.java
@@ -0,0 +1,48 @@
+package de.thedevstack.conversationsplus.utils;
+
+import android.net.Uri;
+
+import java.io.Closeable;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+
+import de.thedevstack.conversationsplus.ConversationsPlusApplication;
+
+/**
+ * Util to handle streams.
+ */
+public final class StreamUtil {
+
+ /**
+ * Opens an InputStream from Uri using the ContentResolver from application.
+ * @see android.content.ContentResolver#openInputStream(Uri)
+ * @param uri the uri to open
+ * @return the InputStream for given uri
+ * @throws FileNotFoundException if the provided URI could not be opened.
+ */
+ public static InputStream openInputStreamFromContentResolver(Uri uri) throws FileNotFoundException {
+ return ConversationsPlusApplication.getInstance().getContentResolver().openInputStream(uri);
+ }
+
+ /**
+ * Closes a stream.
+ * IOException is silently ignored.
+ * @param stream the stream to close
+ */
+ public static void close(Closeable stream) {
+ if (stream != null) {
+ try {
+ stream.close();
+ } catch (IOException e) {
+ }
+ }
+ }
+
+ /**
+ * Avoid instantiation of util class.
+ */
+ private StreamUtil() {
+ // Static helper class
+ }
+}