/*
* #%L
* JSQLParser library
* %%
* Copyright (C) 2004 - 2013 JSQLParser
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
package net.sf.jsqlparser.parser;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;
import net.sf.jsqlparser.JSQLParserException;
import net.sf.jsqlparser.expression.Expression;
import net.sf.jsqlparser.statement.Statement;
import net.sf.jsqlparser.statement.Statements;
/**
* Toolfunctions to start and use JSqlParser.
* @author toben
*/
public final class CCJSqlParserUtil {
public static Statement parse(Reader statementReader) throws JSQLParserException {
CCJSqlParser parser = new CCJSqlParser(statementReader);
try {
return parser.Statement();
} catch (Exception ex) {
throw new JSQLParserException(ex);
}
}
public static Statement parse(String sql) throws JSQLParserException {
CCJSqlParser parser = new CCJSqlParser(new StringReader(sql));
try {
return parser.Statement();
} catch (Exception ex) {
throw new JSQLParserException(ex);
}
}
public static Statement parse(InputStream is) throws JSQLParserException {
CCJSqlParser parser = new CCJSqlParser(is);
try {
return parser.Statement();
} catch (Exception ex) {
throw new JSQLParserException(ex);
}
}
public static Statement parse(InputStream is, String encoding) throws JSQLParserException {
CCJSqlParser parser = new CCJSqlParser(is,encoding);
try {
return parser.Statement();
} catch (Exception ex) {
throw new JSQLParserException(ex);
}
}
/**
* Parse an expression.
* @param expression
* @return
* @throws JSQLParserException
*/
public static Expression parseExpression(String expression) throws JSQLParserException {
CCJSqlParser parser = new CCJSqlParser(new StringReader(expression));
try {
return parser.SimpleExpression();
} catch (Exception ex) {
throw new JSQLParserException(ex);
}
}
/**
* Parse an conditional expression. This is the expression after a where clause.
* @param condExpr
* @return
* @throws JSQLParserException
*/
public static Expression parseCondExpression(String condExpr) throws JSQLParserException {
CCJSqlParser parser = new CCJSqlParser(new StringReader(condExpr));
try {
return parser.Expression();
} catch (Exception ex) {
throw new JSQLParserException(ex);
}
}
/**
* Parse a statement list.
*/
public static Statements parseStatements(String sqls) throws JSQLParserException {
CCJSqlParser parser = new CCJSqlParser(new StringReader(sqls));
try {
return parser.Statements();
} catch (Exception ex) {
throw new JSQLParserException(ex);
}
}
private CCJSqlParserUtil() {
}
}