/*

 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.tools.jstat;

import java.io.StreamTokenizer;

import java.util.Set;

import java.util.Iterator;

/**

 * An exception class for syntax exceptions detected by the options file

 * parser.

 *

 * @author Brian Doherty

 * @since 1.5

 */

public class SyntaxException extends ParserException {

    private String message;

    public SyntaxException(String message) {

        this.message = message;

    }

    public SyntaxException(int lineno, String expected, String found) {

        message = "Syntax error at line " + lineno

                  + ": Expected " + expected

                  + ", Found " + found;

    }

    public SyntaxException(int lineno, String expected, Token found) {

        message = "Syntax error at line " + lineno

                  + ": Expected " + expected

                  + ", Found " + found.toMessage();

    }

    public SyntaxException(int lineno, Token expected, Token found) {

        message = "Syntax error at line " + lineno

                  + ": Expected " + expected.toMessage()

                  + ", Found " + found.toMessage();

    }

    public SyntaxException(int lineno, Set expected, Token found) {

        StringBuilder msg = new StringBuilder();

        msg.append("Syntax error at line " + lineno + ": Expected one of \'");

        boolean first = true;

        for (Iterator i = expected.iterator(); i.hasNext(); /* empty */) {

            String keyWord = (String)i.next();

            if (first) {

                msg.append(keyWord);

                first = false;

            } else {

                msg.append("|" + keyWord);

            }

        }

        msg.append("\', Found " + found.toMessage());

        message = msg.toString();

    }

    public String getMessage() {

        return message;

    }

}