com.vmware.xenon.common.ByteBufferInputStream Maven / Gradle / Ivy
/*
* Copyright (c) 2014-2015 VMware, Inc. All Rights Reserved.
*
* 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 com.vmware.xenon.common;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
public class ByteBufferInputStream extends InputStream {
ByteBuffer bb;
public ByteBufferInputStream(ByteBuffer bb) {
this.bb = bb;
}
public int read() throws IOException {
if (!this.bb.hasRemaining()) {
return -1;
}
return this.bb.get() & 0xFF;
}
public int read(byte[] bytes, int off, int len)
throws IOException {
if (!this.bb.hasRemaining()) {
return -1;
}
len = Math.min(len, this.bb.remaining());
this.bb.get(bytes, off, len);
return len;
}
}