added more tool functions

Author: wumpz

src/main/java/net/sf/jsqlparser/parser/CCJSqlParserManager.java

@@ -21,7 +21,9 @@
  */
 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.statement.Statement;
@@ -40,4 +42,32 @@ public Statement parse(Reader statementReader) throws JSQLParserException {
 			throw new JSQLParserException(e);
 		}
 	}
+	
+	public static Statement parse(String sql) throws JSQLParserException {
+		CCJSqlParser parser = new CCJSqlParser(new StringReader(sql));
+		try {
+			return parser.Statement();
+		} catch (Throwable e) {
+			throw new JSQLParserException(e);
+		}
+	}
+	
+	public static Statement parse(InputStream is) throws JSQLParserException {
+		CCJSqlParser parser = new CCJSqlParser(is);
+		try {
+			return parser.Statement();
+		} catch (Throwable e) {
+			throw new JSQLParserException(e);
+		}
+	}
+	
+	public static Statement parse(InputStream is, String encoding) throws JSQLParserException {
+		CCJSqlParser parser = new CCJSqlParser(is,encoding);
+		try {
+			return parser.Statement();
+		} catch (Throwable e) {
+			throw new JSQLParserException(e);
+		}
+	}
 }
+