/* | |
* 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.trinidad.interceptor; | |
import org.apache.myfaces.extensions.validator.core.interceptor.AbstractRendererInterceptor; | |
import org.apache.myfaces.extensions.validator.core.metadata.MetaDataEntry; | |
import org.apache.myfaces.extensions.validator.core.metadata.CommonMetaDataKeys; | |
import org.apache.myfaces.extensions.validator.core.metadata.transformer.MetaDataTransformer; | |
import org.apache.myfaces.extensions.validator.core.metadata.extractor.ComponentMetaDataExtractorFactory; | |
import org.apache.myfaces.extensions.validator.core.metadata.extractor.MetaDataExtractor; | |
import org.apache.myfaces.extensions.validator.core.factory.FactoryNames; | |
import org.apache.myfaces.extensions.validator.core.ExtValContext; | |
import org.apache.myfaces.extensions.validator.core.validation.strategy.ValidationStrategy; | |
import org.apache.myfaces.extensions.validator.util.ExtValUtils; | |
import org.apache.myfaces.extensions.validator.util.ReflectionUtils; | |
import org.apache.myfaces.extensions.validator.trinidad.util.TrinidadUtils; | |
import org.apache.myfaces.trinidad.component.core.output.CoreOutputLabel; | |
import javax.faces.render.Renderer; | |
import javax.faces.component.UIComponent; | |
import javax.faces.context.FacesContext; | |
import java.io.IOException; | |
import java.util.HashMap; | |
import java.util.Map; | |
/** | |
* @author Gerhard Petracek | |
* @since 1.x.2 | |
*/ | |
public class TrinidadRendererInterceptor extends AbstractRendererInterceptor | |
{ | |
public void beforeEncodeBegin(FacesContext facesContext, UIComponent uiComponent, Renderer wrapped) | |
throws IOException | |
{ | |
if(filterCoreOutputLabel(uiComponent)) | |
{ | |
initCoreOutputLabel(facesContext, (CoreOutputLabel)uiComponent); | |
} | |
} | |
private boolean filterCoreOutputLabel(UIComponent uiComponent) | |
{ | |
return (uiComponent instanceof CoreOutputLabel); | |
} | |
protected void initCoreOutputLabel(FacesContext facesContext, CoreOutputLabel coreOutputLabel) | |
{ | |
ValidationStrategy validationStrategy; | |
MetaDataTransformer metaDataTransformer; | |
MetaDataExtractor annotationExtractor = ExtValContext.getContext().getFactoryFinder().getFactory( | |
FactoryNames.COMPONENT_META_DATA_EXTRACTOR_FACTORY, ComponentMetaDataExtractorFactory.class).create(); | |
UIComponent targetComponent = TrinidadUtils.findLabeledEditableComponent(coreOutputLabel); | |
if(targetComponent == null || !isComponentEditable(targetComponent)) | |
{ | |
return; | |
} | |
Boolean skipInitialization = false; | |
Map<String, Object> metaData; | |
for (MetaDataEntry entry : annotationExtractor.extract(facesContext, targetComponent).getMetaDataEntries()) | |
{ | |
validationStrategy = ExtValUtils.getValidationStrategyForMetaData(entry.getKey()); | |
if (validationStrategy != null) | |
{ | |
metaDataTransformer = ExtValUtils.getMetaDataTransformerForValidationStrategy(validationStrategy); | |
if(metaDataTransformer != null) | |
{ | |
metaData = metaDataTransformer.convertMetaData(entry); | |
} | |
else | |
{ | |
metaData = null; | |
} | |
if(metaData == null) | |
{ | |
metaData = new HashMap<String, Object>(); | |
} | |
else if(metaData.containsKey(CommonMetaDataKeys.SKIP_VALIDATION)) | |
{ | |
//execute skip validation strategy -> skip validation y/n in entry | |
validationStrategy.validate(facesContext, targetComponent, entry, null); | |
skipInitialization = entry.getProperty(CommonMetaDataKeys.SKIP_VALIDATION, Boolean.class); | |
continue; | |
} | |
if(Boolean.TRUE.equals(skipInitialization) && !metaData.isEmpty() && | |
ExtValUtils.isSkipableValidationStrategy(validationStrategy.getClass())) | |
{ | |
metaData.put(CommonMetaDataKeys.SKIP_VALIDATION, true); | |
} | |
if(!metaData.isEmpty()) | |
{ | |
ExtValUtils.configureComponentWithMetaData(facesContext, coreOutputLabel, metaData); | |
} | |
} | |
} | |
} | |
private boolean isComponentEditable(UIComponent uiComponent) | |
{ | |
//compare with false so true = true or null | |
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); | |
} | |
} |