package com.tesora.dve.sql.parser;
/*
* #%L
* Tesora Inc.
* Database Virtualization Engine
* %%
* Copyright (C) 2011 - 2014 Tesora Inc.
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
public class LogLineBuffer {
protected StringBuilder buffer;
public LogLineBuffer() {
buffer = null;
}
protected void add(char c, boolean eol) {
if (buffer == null)
buffer = new StringBuilder();
buffer.append(c);
}
protected boolean haveStatement() {
if (buffer != null) {
String stmt = buffer.toString();
return complete(stmt);
}
return false;
}
protected String getRawBuffer() {
if (buffer == null) return null;
return buffer.toString();
}
protected TaggedStatement getStatement() {
if (buffer != null) {
String stmt = buffer.toString();
buffer = null;
if (ignore(stmt))
return null;
return new TaggedStatement(stmt);
}
return null;
}
protected boolean ignore(String line) {
return line.charAt(0) == '#';
}
protected boolean complete(String line) {
return line.endsWith(";");
}
protected void close() {
// does nothing for default
}
}