xref: /openjdk10/test/lib/jdk/test/lib/hprof/parser/ReadBuffer.java

/*
 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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/*
 * The Original Code is HAT. The Initial Developer of the
 * Original Code is Bill Foote, with contributions from others
 * at JavaSoft/Sun.
 */

package jdk.test.lib.hprof.parser;

import java.io.IOException;

/**
 * Positionable read only buffer
 *
 * @author A. Sundararajan
 */
public interface ReadBuffer extends AutoCloseable {
    // read methods - only byte array and int primitive types.
    // read position has to be specified always.
    public void  get(long pos, byte[] buf) throws IOException;
    public char  getChar(long pos) throws IOException;
    public byte  getByte(long pos) throws IOException;
    public short getShort(long pos) throws IOException;
    public int   getInt(long pos) throws IOException;
    public long  getLong(long pos) throws IOException;
}