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author | Jens-Heiner Rechtien <hr@openoffice.org> | 2004-11-09 11:06:02 +0000 |
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committer | Jens-Heiner Rechtien <hr@openoffice.org> | 2004-11-09 11:06:02 +0000 |
commit | c98a9a50cb4096e15b2f8c184570d912d480de0c (patch) | |
tree | c5c0ea35697f598a9cbfbdfaa132aa58bb339c27 /connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageAccess.java | |
parent | INTEGRATION: CWS hsqldb (1.1.2); FILE ADDED (diff) | |
download | core-c98a9a50cb4096e15b2f8c184570d912d480de0c.tar.gz core-c98a9a50cb4096e15b2f8c184570d912d480de0c.zip |
INTEGRATION: CWS hsqldb (1.1.2); FILE ADDED
2004/09/10 12:50:09 oj 1.1.2.5: #i33348# code optimizing
2004/09/06 13:39:17 oj 1.1.2.4: #i33348# stream performance
2004/09/06 13:33:54 oj 1.1.2.3: #i33348# stream performance
2004/08/27 11:32:16 oj 1.1.2.2: #i33348# ongoing work
2004/08/25 07:42:47 oj 1.1.2.1: #i33348# new driver for hsqldb
Diffstat (limited to 'connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageAccess.java')
-rw-r--r-- | connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageAccess.java | 154 |
1 files changed, 154 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 000000000000..e612f96b5877 --- /dev/null +++ b/connectivity/com/sun/star/sdbcx/comp/hsqldb/StorageAccess.java @@ -0,0 +1,154 @@ +/************************************************************************* + * + * $RCSfile: StorageAccess.java,v $ + * + * $Revision: 1.2 $ + * + * last change: $Author: hr $ $Date: 2004-11-09 12:06:02 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an AS IS basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): Ocke Janssen + * + * + ************************************************************************/ +/* + * StorageAccess.java + * + * Created on 17. August 2004, 13:32 + */ + +package com.sun.star.sdbcx.comp.hsqldb; + +/** + * + * @author oj93728 + */ +import com.sun.star.document.XDocumentSubStorageSupplier; +import com.sun.star.embed.ElementModes; +import com.sun.star.embed.XStorage; +import com.sun.star.io.XStream; +import com.sun.star.io.XInputStream; +import com.sun.star.io.XOutputStream; +import com.sun.star.io.XSeekable; +import com.sun.star.lang.XComponent; +import com.sun.star.uno.UnoRuntime; +import com.sun.star.beans.NamedValue; + +public class StorageAccess implements org.hsqldb.Storage { + String key; + String name; + NativeStorageAccess access; + /** Creates a new instance of StorageAccess */ + public StorageAccess(String name,String _mode,Object key) throws java.lang.Exception{ + this.key = (String)key; + this.name = name; + try { + access = new NativeStorageAccess(name,_mode,key); + } catch(Exception e){ + throw new java.lang.Exception(); + } + } + public void close() throws java.lang.Exception{ + access.close(name,key); + } + + public long getFilePointer() throws java.lang.Exception{ + return access.getFilePointer(name,key); + } + + public long length() throws java.lang.Exception{ + return access.length(name,key); + } + + public int read() throws java.lang.Exception{ + return access.read(name,key); + } + + public void read(byte[] b, int off, int len) throws java.lang.Exception{ + access.read(name,key,b,off,len); + } + + public int readInt() throws java.lang.Exception{ + byte [] tmp = new byte [4]; + read(tmp,0, 4); + + int ch [] = new int[4]; + for(int i = 0;i < 4; ++i){ + ch[i] = tmp[i]; + if (ch[i] < 0 ){ + ch[i] = 256 + ch[i]; + } + } + + if ((ch[0] | ch[1] | ch[2] | ch[3]) < 0) + throw new Exception(); + return ((ch[0] << 24) + (ch[1] << 16) + (ch[2] << 8) + (ch[3] << 0)); + //return access.readInt(name,key); + } + + public void seek(long position) throws java.lang.Exception{ + access.seek(name,key,position); + } + + public void write(byte[] b, int offset, int length) throws java.lang.Exception{ + access.write(name,key,b,offset,length); + } + + public void writeInt(int v) throws java.lang.Exception{ + 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); + //access.writeInt(name,key,v); + } +} |