/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the  "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id$
 */

package org.apache.xalan.xsltc.compiler.util;

import org.apache.xalan.xsltc.compiler.SyntaxTreeNode;

/**
 * @author Jacek Ambroziak
 * @author Santiago Pericas-Geertsen
 */
public class TypeCheckError extends Exception {
    static final long serialVersionUID = 3246224233917854640L;
    ErrorMsg _error = null;
    SyntaxTreeNode _node = null;
	
    public TypeCheckError(SyntaxTreeNode node) {
	super();
	_node = node;
    }

    public TypeCheckError(ErrorMsg error) {
	super();
	_error = error;
    }
	
    public TypeCheckError(String code, Object param) {
	super();
	_error = new ErrorMsg(code, param);
    }

    public TypeCheckError(String code, Object param1, Object param2) {
	super();
	_error = new ErrorMsg(code, param1, param2);
    }

    public ErrorMsg getErrorMsg() {
        return _error;
    }

    public String getMessage() {
        return toString();
    }

    public String toString() {
	String result;

	if (_error == null) {
            if (_node != null) {
                _error = new ErrorMsg(ErrorMsg.TYPE_CHECK_ERR,
                                      _node.toString());
	    } else {
	        _error = new ErrorMsg(ErrorMsg.TYPE_CHECK_UNK_LOC_ERR);
	    }
        }

	return _error.toString();
    }
}
