Package com.sun.star.sdbcx.comp.hsqldb

Source Code of com.sun.star.sdbcx.comp.hsqldb.StorageFileAccess$FileSync

/*************************************************************************
*
*  OpenOffice.org - a multi-platform office productivity suite
*
*  $RCSfile: StorageFileAccess.java,v $
*
*  $Revision: 1.9.106.1 $
*
*  last change: $Author: hr $ $Date: 2008/01/02 14:34:01 $
*
*  The Contents of this file are made available subject to
*  the terms of GNU Lesser General Public License Version 2.1.
*
*
*    GNU Lesser General Public License Version 2.1
*    =============================================
*    Copyright 2005 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
*
************************************************************************/
/*
* StorageFileAccess.java
*
* Created on 31. August 2004, 11:56
*/

package com.sun.star.sdbcx.comp.hsqldb;
import org.hsqldb.lib.FileAccess;
import org.hsqldb.lib.FileSystemRuntimeException;

/**
*
* @author  oj93728
*/
public class StorageFileAccess implements org.hsqldb.lib.FileAccess{
    static { NativeLibraries.load(); }

    String ds_name;
    String key;
    /** Creates a new instance of StorageFileAccess */
    public StorageFileAccess(Object key) throws java.lang.Exception{
        this.key = (String)key;
    }

    public void createParentDirs(java.lang.String filename) {
    }

    public boolean isStreamElement(java.lang.String elementName)  {
        return isStreamElement(key,elementName);
    }

    public java.io.InputStream openInputStreamElement(java.lang.String streamName) throws java.io.IOException {
        return new NativeInputStreamHelper(key,streamName);
    }

    public java.io.OutputStream openOutputStreamElement(java.lang.String streamName) throws java.io.IOException {
        return new NativeOutputStreamHelper(key,streamName);
    }

    public void removeElement(java.lang.String filename) throws java.util.NoSuchElementException {
        try {
            if ( isStreamElement(key,filename) )
                removeElement(key,filename);
      } catch (java.io.IOException e) {
           throw new FileSystemRuntimeException( e, FileSystemRuntimeException.fileAccessRemoveElementFailed );
       }
    }

    public void renameElement(java.lang.String oldName, java.lang.String newName) throws java.util.NoSuchElementException {
        try {
            if ( isStreamElement(key,oldName) ){
                removeElement(key,newName);
                renameElement(key,oldName, newName);
            }
       } catch (java.io.IOException e) {
           throw new FileSystemRuntimeException( e, FileSystemRuntimeException.fileAccessRenameElementFailed );
       }
    }

    public class FileSync implements FileAccess.FileSync
    {
        NativeOutputStreamHelper os;
        FileSync(NativeOutputStreamHelper _os) throws java.io.IOException
        {
            os = _os;
        }
        public void sync() throws java.io.IOException
        {
            os.sync();
        }
    }

    public FileAccess.FileSync getFileSync(java.io.OutputStream os) throws java.io.IOException
    {
        return new FileSync((NativeOutputStreamHelper)os);
    }

    static native boolean isStreamElement(java.lang.String key,java.lang.String elementName);
    static native void removeElement(java.lang.String key,java.lang.String filename) throws java.util.NoSuchElementException, java.io.IOException;
    static native void renameElement(java.lang.String key,java.lang.String oldName, java.lang.String newName) throws java.util.NoSuchElementException, java.io.IOException;
}
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