/*
* Copyright (c) JForum Team
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* 1) Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* 2) Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* 3) Neither the name of "Rafael Steil" nor
* the names of its contributors may be used to endorse
* or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
*
* Created on 16/11/2005 18:42:42
* The JForum Project
* http://www.jforum.net
*/
package net.jforum.view.install;
import java.io.BufferedReader;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.List;
import net.jforum.exceptions.ForumException;
/**
* @author Rafael Steil
* @version $Id: ParseDBStructFile.java,v 1.7 2007/07/28 14:17:13 rafaelsteil Exp $
*/
public class ParseDBStructFile
{
public static List parse(String filename)
{
List statements = new ArrayList();
BufferedReader reader = null;
try {
reader = new BufferedReader(new FileReader(filename));
StringBuffer sb = new StringBuffer(512);
boolean processing = false;
char delimiter = ';';
String[] creators = { "CREATE INDEX", "CREATE TABLE", "CREATE SEQUENCE", "DROP TABLE", "IF EXISTS",
"DROP SEQUENCE", "DROP INDEX" };
String line ;
while ((line = reader.readLine()) != null) {
if (line.length() == 0) {
continue;
}
char charAt = line.charAt(0);
// Ignore comments
if (charAt == '-' || charAt == '#') {
continue;
}
if (processing) {
sb.append(line);
if (line.indexOf(delimiter) > -1) {
sb.delete(sb.length() - 1, sb.length());
statements.add(sb.toString());
processing = false;
}
}
else {
for (int i = 0; i < creators.length; i++) {
if (line.indexOf(creators[i]) > -1) {
sb.delete(0, sb.length());
if (line.indexOf(delimiter) > -1) {
if (line.indexOf(';') > -1) {
line = line.replace(';', ' ');
}
statements.add(line);
}
else {
sb.append(line);
processing = true;
}
break;
}
}
}
}
}
catch (Exception e)
{
throw new ForumException(e);
}
finally {
if (reader != null) {
try { reader.close(); }
catch (Exception e) {
// catch close BufferedReader
}
}
}
return statements;
}
}