Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 126 insertions, 0 deletions

diff --git a/connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageAccess.java b/connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageAccess.java
new file mode 100644
index 000000000..6a53d110e
--- /dev/null
+++ b/connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageAccess.java
@@ -0,0 +1,126 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you 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 .
+ */
+
+package com.sun.star.sdbcx.comp.hsqldb;
+
+@SuppressWarnings("ucd")
+public class StorageAccess implements org.hsqldb.lib.Storage {
+    String key;
+    String name;
+    boolean readonly;
+    NativeStorageAccess access;
+    /** Creates a new instance of StorageAccess */
+    public StorageAccess(String name,Boolean readonly,Object key) throws java.io.IOException{
+        this.key = (String)key;
+        this.name = name;
+        this.readonly = readonly.booleanValue();
+        try {
+            access = new NativeStorageAccess(name,
+                    this.readonly ? "r" : "rw"
+                    ,key);
+        } catch(Exception ex1){
+            java.io.IOException ex2 = new java.io.IOException();
+            ex2.initCause(ex1);
+            throw ex2;
+        }
+    }
+    public void close() throws java.io.IOException{
+        access.close(name,key);
+    }
+
+    public long getFilePointer() throws java.io.IOException{
+        return access.getFilePointer(name,key);
+    }
+
+    public long length() throws java.io.IOException{
+        return access.length(name,key);
+    }
+
+    public int read() throws java.io.IOException{
+        return access.read(name,key);
+    }
+
+    public void read(byte[] b, int off, int len) throws java.io.IOException{
+        access.read(name,key,b,off,len);
+    }
+
+    // based on the same code that reads an int from the .data file in HSQLDB
+    public int readInt() throws java.io.IOException{
+        byte [] tmp = new byte [4];
+
+        int count = access.read(name,key,tmp,0, 4);
+
+        if (count != 4){
+            throw new java.io.IOException();
+        }
+
+        count = 0;
+        int ch0 = tmp[count++] & 0xff;
+        int ch1 = tmp[count++] & 0xff;
+        int ch2 = tmp[count++] & 0xff;
+        int ch3 = tmp[count] & 0xff;
+
+        return ((ch0 << 24) + (ch1 << 16) + (ch2 << 8) + (ch3));
+    }
+
+    public void seek(long position) throws java.io.IOException{
+        access.seek(name,key,position);
+    }
+
+    public void write(byte[] b, int offset, int length) throws java.io.IOException{
+        access.write(name,key,b,offset,length);
+    }
+
+    public void writeInt(int v) throws java.io.IOException{
+        byte [] oneByte = new byte [4];
+        oneByte[0] = (byte) ((v >>> 24) & 0xFF);
+        oneByte[1] = (byte) ((v >>> 16) & 0xFF);
+        oneByte[2] = (byte) ((v >>>  8) & 0xFF);
+        oneByte[3] = (byte) ((v >>>  0) & 0xFF);
+
+        write(oneByte,0,4);
+    }
+
+    public boolean isReadOnly() {
+        return readonly;
+    }
+
+    @SuppressWarnings("cast")
+    public long readLong() throws java.io.IOException {
+        return (((long) readInt()) << 32) + (((long) readInt()) & 0xFFFFFFFFL);
+    }
+
+    public boolean wasNio() {
+        return false;
+    }
+
+    public void writeLong(long v) throws java.io.IOException {
+        byte [] oneByte = new byte [8];
+
+        oneByte[0] = (byte) ((v >>> 56) & 0xFF);
+        oneByte[1] = (byte) ((v >>> 48) & 0xFF);
+        oneByte[2] = (byte) ((v >>> 40) & 0xFF);
+        oneByte[3] = (byte) ((v >>> 32) & 0xFF);
+        oneByte[4] = (byte) ((v >>> 24) & 0xFF);
+        oneByte[5] = (byte) ((v >>> 16) & 0xFF);
+        oneByte[6] = (byte) ((v >>>  8) & 0xFF);
+        oneByte[7] = (byte) ((v >>>  0) & 0xFF);
+
+        write(oneByte,0,8);
+    }
+}