| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.myfaces.extensions.validator; |
| |
| import org.apache.myfaces.extensions.validator.core.initializer.component.ComponentInitializer; |
| import org.apache.myfaces.extensions.validator.core.metadata.CommonMetaDataKeys; |
| import org.apache.myfaces.extensions.validator.internal.UsageInformation; |
| import org.apache.myfaces.extensions.validator.internal.UsageCategory; |
| import org.apache.myfaces.extensions.validator.util.ReflectionUtils; |
| |
| import javax.faces.component.EditableValueHolder; |
| import javax.faces.component.UIComponent; |
| import javax.faces.component.html.HtmlInputText; |
| import javax.faces.component.html.HtmlInputSecret; |
| import javax.faces.component.html.HtmlSelectBooleanCheckbox; |
| import javax.faces.component.html.HtmlSelectOneListbox; |
| import javax.faces.component.html.HtmlSelectOneMenu; |
| import javax.faces.component.html.HtmlSelectOneRadio; |
| import javax.faces.component.html.HtmlSelectManyCheckbox; |
| import javax.faces.component.html.HtmlSelectManyListbox; |
| import javax.faces.component.html.HtmlSelectManyMenu; |
| import javax.faces.component.html.HtmlInputTextarea; |
| import javax.faces.context.FacesContext; |
| import java.util.Map; |
| |
| /** |
| * @author Gerhard Petracek |
| * @since 1.x.1 |
| */ |
| @UsageInformation(UsageCategory.INTERNAL) |
| public class HtmlCoreComponentsComponentInitializer implements ComponentInitializer |
| { |
| public void configureComponent(FacesContext facesContext, UIComponent uiComponent, Map<String, Object> metaData) |
| { |
| configureRequiredAttribute(facesContext, uiComponent, metaData); |
| configureMaxLengthAttribute(facesContext, uiComponent, metaData); |
| } |
| |
| protected void configureRequiredAttribute(FacesContext facesContext, |
| UIComponent uiComponent, |
| Map<String, Object> metaData) |
| { |
| if(!processComponent(uiComponent)) |
| { |
| return; |
| } |
| |
| if((Boolean.TRUE.equals(metaData.get(CommonMetaDataKeys.WEAK_REQUIRED)) || |
| Boolean.TRUE.equals(metaData.get(CommonMetaDataKeys.REQUIRED))) |
| && |
| Boolean.TRUE.equals(isComponentRequired(uiComponent))) |
| { |
| ((EditableValueHolder)uiComponent).setRequired(true); |
| } |
| else if(Boolean.TRUE.equals(metaData.get(CommonMetaDataKeys.SKIP_VALIDATION)) && |
| !Boolean.TRUE.equals(metaData.get(CommonMetaDataKeys.REQUIRED))) |
| { |
| ((EditableValueHolder)uiComponent).setRequired(false); |
| } |
| } |
| |
| protected boolean processComponent(UIComponent uiComponent) |
| { |
| return uiComponent instanceof HtmlInputText || |
| uiComponent instanceof HtmlInputSecret || |
| uiComponent instanceof HtmlSelectBooleanCheckbox || |
| uiComponent instanceof HtmlSelectOneListbox || |
| uiComponent instanceof HtmlSelectOneMenu || |
| uiComponent instanceof HtmlSelectOneRadio || |
| uiComponent instanceof HtmlSelectManyCheckbox || |
| uiComponent instanceof HtmlSelectManyListbox || |
| uiComponent instanceof HtmlSelectManyMenu || |
| uiComponent instanceof HtmlInputTextarea; |
| } |
| |
| /** |
| * if there is no special attribute at the component which should overrule |
| * the annotated property return true! |
| * |
| * @param uiComponent component which implements the EditableValueHolder interface |
| * @return false to overrule the annotated property e.g. if component is readonly |
| */ |
| protected Boolean isComponentRequired(UIComponent uiComponent) |
| { |
| boolean isReadOnly = !Boolean.FALSE.equals(ReflectionUtils.tryToInvokeMethod( |
| uiComponent, ReflectionUtils.tryToGetMethod(uiComponent.getClass(), "isReadonly"))); |
| boolean isDisabled = !Boolean.FALSE.equals(ReflectionUtils.tryToInvokeMethod( |
| uiComponent, ReflectionUtils.tryToGetMethod(uiComponent.getClass(), "isDisabled"))); |
| |
| return !(isReadOnly || isDisabled); |
| } |
| |
| protected void configureMaxLengthAttribute(FacesContext facesContext, |
| UIComponent uiComponent, |
| Map<String, Object> metaData) |
| { |
| if(metaData.containsKey(CommonMetaDataKeys.MAX_LENGTH)) |
| { |
| Object maxLength = metaData.get(CommonMetaDataKeys.MAX_LENGTH); |
| |
| if(!(maxLength instanceof Integer)) |
| { |
| return; |
| } |
| if(uiComponent instanceof HtmlInputText) |
| { |
| HtmlInputText htmlInputText = (HtmlInputText)uiComponent; |
| htmlInputText.setMaxlength((Integer)maxLength); |
| } |
| } |
| } |
| } |