com.sun.faces.application.annotation.ManagedBeanConfigHandler Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of javax.faces Show documentation
Show all versions of javax.faces Show documentation
This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.faces.application.annotation;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.Collection;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Map;
import java.util.HashMap;
import java.util.List;
import java.util.LinkedHashMap;
import javax.faces.bean.*;
import javax.faces.context.FacesContext;
import com.sun.faces.application.ApplicationAssociate;
import com.sun.faces.mgbean.BeanManager;
import com.sun.faces.mgbean.ManagedBeanInfo;
/**
*
* ConfigAnnotationHandler for {@link ManagedBean} annotated
* classes.
*
*/
public class ManagedBeanConfigHandler implements ConfigAnnotationHandler {
private static final Class[] SCOPES = {
RequestScoped.class,
ViewScoped.class,
SessionScoped.class,
ApplicationScoped.class,
NoneScoped.class,
CustomScoped.class
};
private static final Collection> HANDLES;
static {
Collection> handles =
new ArrayList<>(2);
handles.add(ManagedBean.class);
HANDLES = Collections.unmodifiableCollection(handles);
}
private Map,Annotation> managedBeans;
// ------------------------------------ Methods from ConfigAnnotationHandler
/**
* @see com.sun.faces.application.annotation.ConfigAnnotationHandler#getHandledAnnotations()
*/
@Override
public Collection> getHandledAnnotations() {
return HANDLES;
}
/**
* @see com.sun.faces.application.annotation.ConfigAnnotationHandler#collect(Class, java.lang.annotation.Annotation)
*/
@Override
public void collect(Class target, Annotation annotation) {
if (managedBeans == null) {
managedBeans = new HashMap<>();
}
managedBeans.put(target, annotation);
}
/**
* @see com.sun.faces.application.annotation.ConfigAnnotationHandler#push(javax.faces.context.FacesContext)
*/
@Override
public void push(FacesContext ctx) {
if (managedBeans != null) {
ApplicationAssociate associate =
ApplicationAssociate.getInstance(ctx.getExternalContext());
if (associate != null) {
BeanManager manager = associate.getBeanManager();
for (Map.Entry,Annotation> entry : managedBeans.entrySet()) {
process(manager, entry.getKey(), entry.getValue());
}
}
}
}
// --------------------------------------------------------- Private Methods
private void process(BeanManager manager,
Class annotatedClass,
Annotation annotation) {
manager.register(getBeanInfo(annotatedClass,
(ManagedBean) annotation));
}
private ManagedBeanInfo getBeanInfo(Class annotatedClass,
ManagedBean metadata) {
String name = getName(metadata, annotatedClass);
String scope = getScope(annotatedClass);
boolean eager = metadata.eager();
Map annotatedFields = new LinkedHashMap<>();
//Map annotatedMethods = new LinkedHashMap();
collectAnnotatedFields(annotatedClass, annotatedFields);
//collectAnnotatedMethods(annotatedClass,
// annotatedMethods,
// annotatedFields.keySet());
List properties = null;
if (!annotatedFields.isEmpty()) {
properties = new ArrayList<>(annotatedFields.size());
for (Map.Entry entry : annotatedFields.entrySet()) {
Field f = entry.getValue();
ManagedProperty property = f.getAnnotation(ManagedProperty.class);
ManagedBeanInfo.ManagedProperty propertyInfo =
new ManagedBeanInfo.ManagedProperty(entry.getKey(),
f.getType().getName(),
property.value(),
null,
null);
properties.add(propertyInfo);
}
}
/*
if (!annotatedMethods.isEmpty()) {
if (properties == null) {
properties = new ArrayList(annotatedMethods.size());
for (Map.Entry entry : annotatedMethods.entrySet()) {
Method m = entry.getValue();
ManagedProperty property = m.getAnnotation(ManagedProperty.class);
String alias = property.name();
if (alias != null && alias.length() == 0) {
alias = null;
}
ManagedBeanInfo.ManagedProperty propertyInfo =
new ManagedBeanInfo.ManagedProperty(alias,
entry.getKey(),
m.getParameterTypes()[0].getName(),
property.value(),
null,
null);
properties.add(propertyInfo);
}
}
}
*/
return new ManagedBeanInfo(name,
annotatedClass.getName(),
scope,
eager,
null,
null,
properties,
null);
}
// private void collectAnnotatedMethods(Class baseClass,
// Map annotatedMethods,
// Set annotatedFields) {
//
// Method[] methods = baseClass.getDeclaredMethods();
// for (Method method : methods) {
// ManagedProperty property = method.getAnnotation(ManagedProperty.class);
// if (property != null) {
//
// if (!method.getName().startsWith("set")
// || method.getParameterTypes().length != 1) {
// continue;
// }
// StringBuilder sb =
// new StringBuilder(method.getName().substring(3));
// char c = sb.charAt(0);
// sb.deleteCharAt(0);
// sb.insert(0, Character.toLowerCase(c));
// String propName = sb.toString();
//
// if (!annotatedFields.contains(propName) && !annotatedMethods.containsKey(propName)) {
// annotatedMethods.put(propName, method);
// }
// }
// }
// Class superClass = baseClass.getSuperclass();
// if (!Object.class.equals(superClass)) {
// collectAnnotatedMethods(superClass, annotatedMethods, annotatedFields);
// }
// }
private void collectAnnotatedFields(Class baseClass, Map annotatedFields) {
Field[] fields = baseClass.getDeclaredFields();
for (Field field : fields) {
ManagedProperty property = field.getAnnotation(ManagedProperty.class);
if (property != null) {
String propName = property.name();
if (propName == null || propName.length() == 0) {
propName = field.getName();
}
// if the field has already been collected, don't replace the existing
// value as that value represents an override.
if (!annotatedFields.containsKey(propName)) {
annotatedFields.put(propName, field);
}
}
}
Class superClass = baseClass.getSuperclass();
if (!Object.class.equals(superClass)) {
collectAnnotatedFields(superClass, annotatedFields);
}
}
private String getScope(Class annotatedClass) {
for (Class scope : SCOPES) {
//noinspection unchecked
Annotation a = annotatedClass.getAnnotation((Class) scope);
if (a != null) {
if (a instanceof RequestScoped) {
return "request";
} else if (a instanceof ViewScoped) {
return "view";
} if (a instanceof SessionScoped) {
return "session";
} else if (a instanceof ApplicationScoped) {
return "application";
} else if (a instanceof NoneScoped) {
return "none";
} else if (a instanceof CustomScoped) {
return ((CustomScoped) a).value();
}
}
}
return "request";
}
private String getName(ManagedBean managedBean, Class annotatedClass) {
String name = managedBean.name();
if (name.length() == 0) {
String t = annotatedClass.getName();
name = t.substring(t.lastIndexOf('.') + 1);
char[] nameChars = name.toCharArray();
nameChars[0] = Character.toLowerCase(nameChars[0]);
name = new String(nameChars);
}
return name;
}
}