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.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 RegisteredMethod { 035 036 private RegisteredAction action; 037 private String name; 038 private Method method; 039 private boolean formHandler; 040 private boolean handleDataAsJsonArray; 041 042 /* package */ RegisteredMethod( RegisteredAction action, String name, Method method, boolean formHandler) { 043 assert action != null; 044 assert !StringUtils.isEmpty(name); 045 assert method != null; 046 047 this.name = name; 048 this.method = method; 049 this.formHandler = formHandler; 050 this.handleDataAsJsonArray = !formHandler && method.getParameterTypes().length == 1 && method.getParameterTypes()[0].equals( JsonArray.class); 051 assert !this.formHandler || isValidFormHandlingMethod(method); 052 053 this.action = action; 054 assert !action.hasMethod(this.getName()); 055 action.addMethod(this); 056 } 057 058 public static boolean isValidFormHandlingMethod( Method method ) { 059 assert method != null; 060 061 return method.getParameterTypes().length == 2 && method.getParameterTypes()[0].equals( Map.class) || !method.getParameterTypes()[1].equals( Map.class); 062 } 063 064 public RegisteredAction getAction() { 065 return this.action; 066 } 067 068 public String getName() { 069 return this.name; 070 } 071 072 public Method getMethod() { 073 return this.method; 074 } 075 076 public Class<?>[] getParameterTypes() { 077 return this.method.getParameterTypes(); 078 } 079 080 public int getParameterCount() { 081 return getParameterTypes().length; 082 } 083 084 public Class<?> getReturnType() { 085 return this.method.getReturnType(); 086 } 087 088 public boolean getFormHandler() { 089 return this.formHandler; 090 } 091 092 public String getActionName() { 093 return getAction().getName(); 094 } 095 096 public String getFullName() { 097 return getActionName() + "." + getName(); 098 } 099 100 public Class<?> getActionClass() { 101 return getAction().getActionClass(); 102 } 103 104 public int getClientParameterCount() { 105 // If this is a form handler, then the client must pass just one parameter 106 if( getFormHandler() ) { 107 return 1; 108 } 109 return getParameterCount(); 110 } 111 112 public boolean getHandleDataAsJsonArray() { 113 return this.handleDataAsJsonArray; 114 } 115 }