001    /*
002     * Copyright © 2008, 2009 Pedro Agulló Soliveres.
003     * 
004     * This file is part of DirectJNgine.
005     *
006     * DirectJNgine is free software: you can redistribute it and/or modify
007     * it under the terms of the GNU General Public License as published by
008     * the Free Software Foundation, either version 3 of the License.
009     *
010     * DirectJNgine is distributed in the hope that it will be useful,
011     * but WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013     * GNU General Public License for more details.
014     *
015     * You should have received a copy of the GNU General Public License
016     * along with DirectJNgine.  If not, see <http://www.gnu.org/licenses/>.
017     * 
018     * This software uses the ExtJs library (http://extjs.com), which is 
019     * distributed under the GPL v3 license (see http://extjs.com/license).
020     */
021    
022    package com.softwarementors.extjs.djn.router;
023    
024    import java.lang.reflect.Method;
025    
026    import com.softwarementors.extjs.djn.DirectJNgineException;
027    import com.softwarementors.extjs.djn.StringUtils;
028    
029    public class MethodExecutionException extends DirectJNgineException {
030    
031      private MethodExecutionException( String message, Throwable cause ) {
032        super(message, cause);
033        
034        assert !StringUtils.isEmpty(message);
035        assert cause != null;
036      }
037      
038      public static MethodExecutionException forUnableToCreateClassInstance(Class<?> instanceClass, Throwable cause) {
039        assert instanceClass != null;
040        assert cause != null;
041        
042        return new MethodExecutionException( "Unable to create instance of class '" + instanceClass.getName() + "'. This might be due to the class not having a default public constructor or similar causes", cause );
043      }
044    
045      public static MethodExecutionException forMethodInvocationError(Method method, Throwable cause) {
046        assert method != null;
047        assert cause != null;
048        
049        return new MethodExecutionException( "Error while invoking the Java method '" + method.getName() + "'", cause );
050      }
051    }