Author: chris.laprun(a)jboss.com Date: 2010-01-27 03:55:47 -0500 (Wed, 27 Jan 2010) New Revision: 1453 Added: portal/trunk/portlet/exoadmin/src/main/java/org/exoplatform/wsrp/webui/component/UIMappedForm.java Log: - Started implementing a dynamic form which elements are automatically created from a backing bean via reflection. Still needs work and testing. Added: portal/trunk/portlet/exoadmin/src/main/java/org/exoplatform/wsrp/webui/component/UIMappedForm.java =================================================================== --- portal/trunk/portlet/exoadmin/src/main/java/org/exoplatform/wsrp/webui/component/UIMappedForm.java (rev 0) +++ portal/trunk/portlet/exoadmin/src/main/java/org/exoplatform/wsrp/webui/component/UIMappedForm.java 2010-01-27 08:55:47 UTC (rev 1453) @@ -0,0 +1,110 @@ +/* + * JBoss, a division of Red Hat + * Copyright 2010, Red Hat Middleware, LLC, and individual + * contributors as indicated by the @authors tag. See the + * copyright.txt in the distribution for a full listing of + * individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.exoplatform.wsrp.webui.component; + +import org.exoplatform.webui.core.UIContainer; +import org.exoplatform.webui.form.UIForm; +import org.exoplatform.webui.form.UIFormCheckBoxInput; +import org.exoplatform.webui.form.UIFormInputSet; +import org.exoplatform.webui.form.UIFormStringInput; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + +/** + * @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a> + * @version $Revision$ + */ +public class UIMappedForm extends UIForm +{ + private static final Class<?>[] EMPTY_ARGS = new Class<?>[]{}; + + public void setBackingBean(Object bean) throws Exception + { + introspectAndBuild(bean, this); + invokeSetBindingBean(bean); + } + + private void introspectAndBuild(Object bean, UIContainer container) throws IllegalAccessException, InvocationTargetException + { + Class<? extends Object> beanClass = bean.getClass(); + Method[] methods = beanClass.getDeclaredMethods(); + for (Method method : methods) + { + Class<?> type = method.getReturnType(); + String name = method.getName(); + String fieldName = getFieldNameOrNullFrom(name, method, beanClass); + if (fieldName != null) + { + Object beanValue = method.invoke(bean, null); + if (String.class.isAssignableFrom(type)) + { + container.addChild(new UIFormStringInput(name, name, beanValue == null ? null : beanValue.toString())); + } + else if (Boolean.class.isAssignableFrom(type)) + { + container.addChild(new UIFormCheckBoxInput(name, name, beanValue)); + } + else + { + UIFormInputSet input = new UIFormInputSet(name); + container.addChild(input); + introspectAndBuild(beanValue, input); + } + } + } + } + + private String getFieldNameOrNullFrom(String name, Method method, Class<?> beanClass) + { + int index = name.indexOf("get"); + int endIndex = 3; + if (index != 0) + { + index = name.indexOf("is"); + endIndex = 2; + } + + if (index == 0 && method.getParameterTypes().length == 0) + { + name = name.substring(endIndex); + Class<?> type = method.getReturnType(); + + try + { + // check if there's a get method associated to the setter + beanClass.getDeclaredMethod("set" + name, type); + } + catch (NoSuchMethodException e) + { + return null; + } + return name; + } + else + { + return null; + } + } +}