code: /*
   * 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();
      }
  }
  