diff options
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.java | 87 |
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(); + } +} |