1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package jdk.internal.jimage; 26 27 import java.io.Closeable; 28 import java.nio.ByteBuffer; 29 30 interface ImageSubstrate extends Closeable { 31 @Override 32 void close(); 33 boolean supportsDataBuffer(); 34 ByteBuffer getIndexBuffer(long offset, long size); 35 ByteBuffer getDataBuffer(long offset, long size); 36 boolean read(long offset, 37 ByteBuffer compressedBuffer, long compressedSize, 38 ByteBuffer uncompressedBuffer, long uncompressedSize); 39 boolean read(long offset, 40 ByteBuffer uncompressedBuffer, long uncompressedSize); 41 byte[] getStringBytes(int offset); 42 long[] getAttributes(int offset); 43 ImageLocation findLocation(UTF8String name, ImageStringsReader strings); 44 int[] attributeOffsets(); 45 }