summaryrefslogtreecommitdiff
path: root/qpid/java/broker/src/main/java/org/apache/qpid/server/util/ByteBufferInputStream.java
diff options
context:
space:
mode:
Diffstat (limited to 'qpid/java/broker/src/main/java/org/apache/qpid/server/util/ByteBufferInputStream.java')
-rw-r--r--qpid/java/broker/src/main/java/org/apache/qpid/server/util/ByteBufferInputStream.java87
1 files changed, 87 insertions, 0 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/util/ByteBufferInputStream.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/util/ByteBufferInputStream.java
new file mode 100644
index 0000000000..898a667736
--- /dev/null
+++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/util/ByteBufferInputStream.java
@@ -0,0 +1,87 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.apache.qpid.server.util;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+
+public class ByteBufferInputStream extends InputStream
+{
+ private final ByteBuffer _buffer;
+
+ public ByteBufferInputStream(ByteBuffer buffer)
+ {
+ _buffer = buffer;
+ }
+
+ @Override
+ public int read() throws IOException
+ {
+ return _buffer.get() & 0xFF;
+ }
+
+
+ @Override
+ public int read(byte[] b, int off, int len) throws IOException
+ {
+ if(_buffer.remaining() < len)
+ {
+ len = _buffer.remaining();
+ }
+ _buffer.get(b, off, len);
+
+ return len;
+ }
+
+ @Override
+ public void mark(int readlimit)
+ {
+ _buffer.mark();
+ }
+
+ @Override
+ public void reset() throws IOException
+ {
+ _buffer.reset();
+ }
+
+ @Override
+ public boolean markSupported()
+ {
+ return true;
+ }
+
+ @Override
+ public long skip(long n) throws IOException
+ {
+
+ _buffer.position(_buffer.position()+(int)n);
+
+ return n;
+ }
+
+ @Override
+ public int available() throws IOException
+ {
+ return _buffer.remaining();
+ }
+}