1 /*
   2  * Copyright (c) 2011, 2013, 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 
  26 package com.oracle.ipack.macho;
  27 
  28 import com.oracle.ipack.util.Util;
  29 import java.io.DataInput;
  30 import java.io.DataOutput;
  31 import java.io.IOException;
  32 
  33 public abstract class LinkeditDataCommand extends MachoCommand {
  34     private int dataOffset;
  35     private int dataSize;
  36 
  37     public final int getDataOffset() {
  38         return dataOffset;
  39     }
  40 
  41     public final void setDataOffset(final int dataOffset) {
  42         this.dataOffset = dataOffset;
  43     }
  44 
  45     public final int getDataSize() {
  46         return dataSize;
  47     }
  48 
  49     public final void setDataSize(final int dataSize) {
  50         this.dataSize = dataSize;
  51     }
  52 
  53     @Override
  54     public final String toString() {
  55         return getName() + " { dataOffset: 0x" + Util.hex32(dataOffset)
  56                        + ", dataSize: 0x" + Util.hex32(dataSize) + " }";
  57     }
  58 
  59     protected abstract String getName();
  60 
  61     @Override
  62     protected final int getPayloadSize() {
  63         return 8;
  64     }
  65 
  66     @Override
  67     protected final void readPayload(final DataInput dataInput)
  68             throws IOException {
  69         dataOffset = dataInput.readInt();
  70         dataSize = dataInput.readInt();
  71     }
  72 
  73     @Override
  74     protected final void writePayload(final DataOutput dataOutput)
  75             throws IOException {
  76         dataOutput.writeInt(dataOffset);
  77         dataOutput.writeInt(dataSize);
  78     }
  79 }