com.sun.faces.action.ActionPhase Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jsf-impl Show documentation
Show all versions of jsf-impl 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) 1997-2014 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.dev.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.action;
import com.sun.faces.lifecycle.Phase;
import com.sun.faces.util.Util;
import java.util.Iterator;
import java.util.Set;
import javax.enterprise.inject.Any;
import javax.enterprise.inject.Instance;
import javax.enterprise.inject.spi.AnnotatedMethod;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.inject.spi.CDI;
import javax.enterprise.util.AnnotationLiteral;
import javax.faces.FacesException;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseId;
public class ActionPhase extends Phase {
private BeanManager beanManager;
public BeanManager getBeanManager(FacesContext facesContext) {
if (beanManager == null) {
beanManager = Util.getCdiBeanManager(facesContext);
}
return beanManager;
}
@Override
public void execute(FacesContext context) throws FacesException {
/*
* 1. Find the bean + method that matches the correct @RequestMapping.
*/
Set> beans = getBeanManager(context).getBeans(Object.class, new AnnotationLiteral() {
});
Iterator> beanIterator = beans.iterator();
RequestMappingInfo current = null;
while (beanIterator.hasNext()) {
Bean bean = beanIterator.next();
RequestMappingInfo info = findMethodRequestMapping(context, bean);
if (current == null) {
current = info;
} else if (info != null && info.getLength() > current.getLength()) {
current = info;
}
}
String viewId = null;
if (current != null) {
/*
* 2. Get an instance of that bean.
*/
Instance instance = CDI.current().select(
current.getBean().getBeanClass(), new AnnotationLiteral() {
});
try {
/*
* 3. Call the required method and capture its result.
*
* Currently assuming String invoke() signature, but that obviously
* needs to be expanded.
*/
viewId = (String) current.getMethod().invoke(instance.get(), new Object[0]);
} catch (Throwable throwable) {
throw new FacesException(throwable);
}
if (context.getViewRoot() == null) {
UIViewRoot viewRoot = new UIViewRoot();
viewRoot.setRenderKitId("HTML_BASIC");
/*
* 4. Set the resulting view id on the viewroot.
*/
viewRoot.setViewId(viewId);
context.setViewRoot(viewRoot);
}
}
}
@Override
public PhaseId getId() {
return PhaseId.ANY_PHASE;
}
private RequestMappingInfo findMethodRequestMapping(FacesContext context, Bean bean) {
RequestMappingInfo result = null;
Class clazz = bean.getBeanClass();
AnnotatedType annotatedType = getBeanManager(context).createAnnotatedType(clazz);
Set annotatedMethodSet = annotatedType.getMethods();
for (AnnotatedMethod method : annotatedMethodSet) {
if (method.isAnnotationPresent(RequestMapping.class)) {
RequestMapping requestMapping = method.getAnnotation(RequestMapping.class);
String[] mappings = requestMapping.value();
String mapping = null;
for (String current : mappings) {
String pathInfo = context.getExternalContext().getRequestPathInfo();
if (pathInfo.equals(current)) {
result = new RequestMappingInfo();
result.setBean(bean);
result.setMethod(method.getJavaMember());
result.setRequestMapping(mapping);
result.setMappingType(RequestMappingInfo.MappingType.EXACT);
break;
} else if (current.endsWith("*")) {
current = current.substring(0, current.length() - 1);
if (pathInfo.startsWith(current)) {
if (result == null) {
result = new RequestMappingInfo();
result.setBean(bean);
result.setMethod(method.getJavaMember());
result.setRequestMapping(current);
result.setMappingType(RequestMappingInfo.MappingType.PREFIX);
} else if (current.length() > result.getLength()) {
result.setBean(bean);
result.setMethod(method.getJavaMember());
result.setRequestMapping(current);
result.setMappingType(RequestMappingInfo.MappingType.PREFIX);
}
}
} else if (current.startsWith("*")) {
current = current.substring(1);
if (pathInfo.endsWith(current)) {
result = new RequestMappingInfo();
result.setBean(bean);
result.setMethod(method.getJavaMember());
result.setRequestMapping(current);
result.setMappingType(RequestMappingInfo.MappingType.EXTENSION);
break;
}
}
}
}
if (result != null &&
(result.getMappingType().equals(RequestMappingInfo.MappingType.EXACT) ||
(result.getMappingType().equals(RequestMappingInfo.MappingType.EXTENSION)))) {
break;
}
}
return result;
}
}