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.config;
023    
024    import java.lang.reflect.Method;
025    import java.util.Map;
026    
027    import org.apache.log4j.Logger;
028    
029    import com.softwarementors.extjs.djn.StringUtils;
030    
031    public class RegisteredPollMethod {
032    
033      private static Logger logger = Logger.getLogger( RegisteredMethod.class);
034      
035      private String name;
036      private Method method;
037      private Class<?> owningClass;
038      
039      /* package */ RegisteredPollMethod( String name, Method method, Class<?> owningClass) {
040        assert !StringUtils.isEmpty(name);
041        assert method != null;
042        assert owningClass != null;
043        
044        this.name = name;
045        this.method = method;
046        this.owningClass = owningClass;
047        
048        if( method.getParameterTypes().length != 1 || !method.getParameterTypes()[0].equals( Map.class) ) {
049          ApiConfigurationException ex = ApiConfigurationException.forMethodHasWrongParametersForAPollHandler( this );
050          logger.fatal( ex.getMessage(), ex );
051          throw ex;
052        }
053      }
054      
055      public String getName() {
056        return this.name;
057      }
058    
059      public Method getMethod() {
060        return this.method;
061      }
062    
063      public Class<?>[] getParameterTypes() {
064        return this.method.getParameterTypes();
065      }
066      
067      public int getParameterCount() {
068        return getParameterTypes().length;
069      }
070    
071      public Class<?> getReturnType() {
072        return this.method.getReturnType();
073      }
074      
075      public Class<?> getOwningClass() {
076        return this.owningClass;
077      }
078    }