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 Lesser 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 Lesser General Public License for more details. 018 * 019 * You should have received a copy of the GNU Lesser 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.api; 027 028 import java.lang.reflect.Method; 029 import java.util.Map; 030 031 import com.google.gson.JsonArray; 032 import com.softwarementors.extjs.djn.StringUtils; 033 034 public class RegisteredStandardMethod extends RegisteredMethod { 035 private boolean formHandler; 036 private boolean handleParametersAsJsonArray; 037 038 /* package */ RegisteredStandardMethod( RegisteredAction action, String name, Method method, boolean formHandler) { 039 super( action, method, name ); 040 assert !StringUtils.isEmpty(name); 041 042 this.formHandler = formHandler; 043 this.handleParametersAsJsonArray = !formHandler && method.getParameterTypes().length == 1 && method.getParameterTypes()[0].equals( JsonArray.class); 044 assert !this.formHandler || isValidFormHandlingMethod(method); 045 046 assert !action.hasStandardMethod(this.getName()); 047 action.addStandardMethod(this); 048 } 049 050 public static boolean isValidFormHandlingMethod( Method method ) { 051 assert method != null; 052 053 return method.getParameterTypes().length == 2 && method.getParameterTypes()[0].equals( Map.class) || !method.getParameterTypes()[1].equals( Map.class); 054 } 055 056 public boolean isFormHandler() { 057 return this.formHandler; 058 } 059 060 public int getClientParameterCount() { 061 // If this is a form handler, then the client must pass just one parameter 062 if( isFormHandler() ) { 063 return 1; 064 } 065 return getParameterCount(); 066 } 067 068 public boolean getHandleParametersAsJsonArray() { 069 return this.handleParametersAsJsonArray; 070 } 071 072 @Override 073 public RegisteredMethodType getType() { 074 return RegisteredMethodType.STANDARD; 075 } 076 }