1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 /* 24 * StorageAccess.java 25 * 26 * Created on 17. August 2004, 13:32 27 */ 28 29 package com.sun.star.sdbcx.comp.hsqldb; 30 31 /** 32 * 33 * @author oj93728 34 */ 35 36 public class NativeStorageAccess { NativeLibraries.load()37 static { NativeLibraries.load(); } 38 39 public static final int READ = 1; 40 public static final int SEEKABLE = 2; 41 public static final int SEEKABLEREAD = 3; 42 public static final int WRITE = 4; 43 public static final int READWRITE = 7; 44 public static final int TRUNCATE = 8; 45 46 /** Creates a new instance of StorageAccess */ NativeStorageAccess(String name,String _mode,Object key)47 public NativeStorageAccess(String name,String _mode,Object key) throws java.io.IOException{ 48 try { 49 int mode = NativeStorageAccess.SEEKABLEREAD; 50 if ( _mode.equals("rw") ) 51 mode = NativeStorageAccess.READWRITE | NativeStorageAccess.SEEKABLE; 52 53 openStream(name, (String)key, mode); 54 } catch(Exception e){ 55 throw new java.io.IOException(); 56 } 57 } openStream(String name,String key, int mode)58 public native void openStream(String name,String key, int mode); close(String name,String key)59 public native void close(String name,String key) throws java.io.IOException; 60 getFilePointer(String name,String key)61 public native long getFilePointer(String name,String key) throws java.io.IOException; 62 length(String name,String key)63 public native long length(String name,String key) throws java.io.IOException; 64 read(String name,String key)65 public native int read(String name,String key) throws java.io.IOException; 66 read(String name,String key,byte[] b, int off, int len)67 public native int read(String name,String key,byte[] b, int off, int len) throws java.io.IOException; 68 readInt(String name,String key)69 public native int readInt(String name,String key) throws java.io.IOException; 70 seek(String name,String key,long position)71 public native void seek(String name,String key,long position) throws java.io.IOException; 72 write(String name,String key,byte[] b, int offset, int length)73 public native void write(String name,String key,byte[] b, int offset, int length) throws java.io.IOException; 74 writeInt(String name,String key,int v)75 public native void writeInt(String name,String key,int v) throws java.io.IOException; 76 } 77