/*
* 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.config;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.faces.context.ExternalContext;
import org.apache.myfaces.config.element.ManagedBean;
import org.apache.myfaces.config.element.NavigationCase;
import org.apache.myfaces.config.element.NavigationRule;
import org.apache.myfaces.shared_impl.util.ClassUtils;
public class FacesConfigValidator
{
public static final String VALIDATE_CONTEXT_PARAM = "org.apache.myfaces.VALIDATE";
private FacesConfigValidator(){
// hidden
}
public static List<String> validate(ExternalContext ctx, String ctxPath){
RuntimeConfig runtimeConfig = RuntimeConfig.getCurrentInstance(ctx);
Map managedBeansMap = runtimeConfig.getManagedBeans();
Iterator managedBeans = managedBeansMap == null ? null :
managedBeansMap.values() == null ? null :
managedBeansMap.values().iterator();
Iterator<NavigationRule> navRules = runtimeConfig.getNavigationRules() == null ?
null : runtimeConfig.getNavigationRules().iterator();
return validate(managedBeans, navRules, ctxPath);
}
public static List<String> validate(Iterator managedBeans, Iterator<NavigationRule> navRules, String ctxPath){
List<String> list = new ArrayList<String>();
if(navRules != null)
validateNavRules(navRules, list, ctxPath);
if(managedBeans != null)
validateManagedBeans(managedBeans, list);
return list;
}
private static void validateNavRules(Iterator<NavigationRule> navRules, List<String> list, String ctxPath){
while(navRules.hasNext()){
NavigationRule navRule = navRules.next();
validateNavRule(navRule, list, ctxPath);
}
}
private static void validateNavRule(NavigationRule navRule, List<String> list, String ctxPath){
String fromId = navRule.getFromViewId();
String filePath = ctxPath + fromId;
if(fromId != null && ! "*".equals(fromId) && ! new File(filePath).exists())
list.add("File for navigation 'from id' does not exist " + filePath);
Collection cases = navRule.getNavigationCases();
Iterator iterator = cases.iterator();
while(iterator.hasNext()){
NavigationCase caze = (NavigationCase) iterator.next();
String toViewPath = ctxPath + caze.getToViewId();
if(! new File(toViewPath).exists())
list.add("File for navigation 'to id' does not exist " + toViewPath);
}
}
private static void validateManagedBeans(Iterator managedBeans, List<String> list){
while(managedBeans.hasNext()){
ManagedBean managedBean = (ManagedBean) managedBeans.next();
validateManagedBean(managedBean, list);
}
}
private static void validateManagedBean(ManagedBean managedBean, List<String> list){
String className = managedBean.getManagedBeanClassName();
try
{
ClassUtils.classForName(className);
}
catch (ClassNotFoundException e)
{
String msg = "Could not locate class "
+ className + " for managed bean '" + managedBean.getManagedBeanName() + "'";
list.add(msg);
}
}
}