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authorDominik Schürmann <dominik@dominikschuermann.de>2014-04-06 12:57:42 +0200
committerDominik Schürmann <dominik@dominikschuermann.de>2014-04-06 12:57:42 +0200
commit6d1137190529dc7add74926cea52c377883319be (patch)
treefd88b29a048f3aec1daa2a84bbaf22c0efa3663f /OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/PositionAwareInputStream.java
parent17997dd362fe62d72113a0536069d0fdb9c3211b (diff)
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Rename folder structure from OpenPGP Keychain to OpenKeychain
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/PositionAwareInputStream.java')
-rw-r--r--OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/PositionAwareInputStream.java83
1 files changed, 83 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/PositionAwareInputStream.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/PositionAwareInputStream.java
new file mode 100644
index 000000000..4fcd3047f
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/PositionAwareInputStream.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2010-2014 Thialfihar <thi@thialfihar.org>
+ *
+ * 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 org.sufficientlysecure.keychain.util;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+public class PositionAwareInputStream extends InputStream {
+ private InputStream mStream;
+ private long mPosition;
+
+ public PositionAwareInputStream(InputStream in) {
+ mStream = in;
+ mPosition = 0;
+ }
+
+ @Override
+ public int read() throws IOException {
+ int ch = mStream.read();
+ ++mPosition;
+ return ch;
+ }
+
+ @Override
+ public int available() throws IOException {
+ return mStream.available();
+ }
+
+ @Override
+ public void close() throws IOException {
+ mStream.close();
+ }
+
+ @Override
+ public boolean markSupported() {
+ return false;
+ }
+
+ @Override
+ public int read(byte[] b) throws IOException {
+ int result = mStream.read(b);
+ mPosition += result;
+ return result;
+ }
+
+ @Override
+ public int read(byte[] b, int offset, int length) throws IOException {
+ int result = mStream.read(b, offset, length);
+ mPosition += result;
+ return result;
+ }
+
+ @Override
+ public synchronized void reset() throws IOException {
+ mStream.reset();
+ mPosition = 0;
+ }
+
+ @Override
+ public long skip(long n) throws IOException {
+ long result = mStream.skip(n);
+ mPosition += result;
+ return result;
+ }
+
+ public long position() {
+ return mPosition;
+ }
+}