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     * Commercial use is permitted to the extent that the code/component(s)
011     * do NOT become part of another Open Source or Commercially developed
012     * licensed development library or toolkit without explicit permission.
013     *
014     * DirectJNgine is distributed in the hope that it will be useful,
015     * but WITHOUT ANY WARRANTY; without even the implied warranty of
016     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
017     * GNU General Public License for more details.
018     *
019     * You should have received a copy of the GNU General Public License
020     * along with DirectJNgine.  If not, see <http://www.gnu.org/licenses/>.
021     * 
022     * This software uses the ExtJs library (http://extjs.com), which is 
023     * distributed under the GPL v3 license (see http://extjs.com/license).
024     */
025    
026    package com.softwarementors.extjs.djn.router.dispatcher;
027    
028    import java.lang.reflect.Method;
029    
030    import com.softwarementors.extjs.djn.DirectJNgineException;
031    import com.softwarementors.extjs.djn.StringUtils;
032    
033    public class MethodExecutionException extends DirectJNgineException {
034    
035      private MethodExecutionException( String message, Throwable cause ) {
036        super(message, cause);
037        
038        assert !StringUtils.isEmpty(message);
039        assert cause != null;
040      }
041      
042      public static MethodExecutionException forUnableToCreateClassInstance(Class<?> instanceClass, Throwable cause) {
043        assert instanceClass != null;
044        assert cause != null;
045        
046        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 );
047      }
048    
049      public static MethodExecutionException forMethodInvocationError(Method method, Throwable cause) {
050        assert method != null;
051        assert cause != null;
052        
053        return new MethodExecutionException( "Error while invoking the Java method '" + method.getName() + "'", cause );
054      }
055    }