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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
/*
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* Copyright 2005-2007 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
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package com.sun.faces.facelets.el;
import javax.el.*;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.el.EvaluationException;
import javax.faces.el.PropertyNotFoundException;
import javax.faces.el.PropertyResolver;
import javax.faces.el.VariableResolver;
import java.lang.reflect.Method;
import java.util.*;
/**
*
*
* @author Jacob Hookom
* @version $Id: LegacyELContext.java 8641 2010-10-04 20:54:50Z edburns $
* @deprecated
*/
public final class LegacyELContext extends ELContext {
private static final String[] IMPLICIT_OBJECTS = new String[] {
"application", "applicationScope", "cookie", "facesContext",
"header", "headerValues", "initParam", "param", "paramValues",
"request", "requestScope", "session", "sessionScope", "view" };
private final static FunctionMapper functions = new EmptyFunctionMapper();
private final FacesContext faces;
private final ELResolver resolver;
private final VariableMapper variables;
public LegacyELContext(FacesContext faces) {
this.faces = faces;
this.resolver = new LegacyELResolver();
this.variables = new DefaultVariableMapper();
}
public ELResolver getELResolver() {
return this.resolver;
}
public FunctionMapper getFunctionMapper() {
return functions;
}
public VariableMapper getVariableMapper() {
return this.variables;
}
public FacesContext getFacesContext() {
return this.faces;
}
private final class LegacyELResolver extends ELResolver {
public Class getCommonPropertyType(ELContext context, Object base) {
return Object.class;
}
public Iterator getFeatureDescriptors(ELContext context, Object base) {
return Collections.EMPTY_LIST.iterator();
}
private VariableResolver getVariableResolver() {
return faces.getApplication().getVariableResolver();
}
private PropertyResolver getPropertyResolver() {
return faces.getApplication().getPropertyResolver();
}
public Class getType(ELContext context, Object base, Object property) {
if (property == null) {
return null;
}
try {
context.setPropertyResolved(true);
if (base == null) {
Object obj = this.getVariableResolver().resolveVariable(
faces, property.toString());
return (obj != null) ? obj.getClass() : null;
} else {
if (base instanceof List || base.getClass().isArray()) {
return this.getPropertyResolver().getType(base,
Integer.parseInt(property.toString()));
} else {
return this.getPropertyResolver().getType(base,
property);
}
}
} catch (PropertyNotFoundException e) {
throw new javax.el.PropertyNotFoundException(e.getMessage(), e
.getCause());
} catch (EvaluationException e) {
throw new ELException(e.getMessage(), e.getCause());
}
}
public Object getValue(ELContext context, Object base, Object property) {
if (property == null) {
return null;
}
try {
context.setPropertyResolved(true);
if (base == null) {
return this.getVariableResolver().resolveVariable(faces,
property.toString());
} else {
if (base instanceof List || base.getClass().isArray()) {
return this.getPropertyResolver().getValue(base,
Integer.parseInt(property.toString()));
} else {
return this.getPropertyResolver().getValue(base,
property);
}
}
} catch (PropertyNotFoundException e) {
throw new javax.el.PropertyNotFoundException(e.getMessage(), e
.getCause());
} catch (EvaluationException e) {
throw new ELException(e.getMessage(), e.getCause());
}
}
public boolean isReadOnly(ELContext context, Object base,
Object property) {
if (property == null) {
return true;
}
try {
context.setPropertyResolved(true);
if (base == null) {
return false; // what can I do?
} else {
if (base instanceof List || base.getClass().isArray()) {
return this.getPropertyResolver().isReadOnly(base,
Integer.parseInt(property.toString()));
} else {
return this.getPropertyResolver().isReadOnly(base,
property);
}
}
} catch (PropertyNotFoundException e) {
throw new javax.el.PropertyNotFoundException(e.getMessage(), e
.getCause());
} catch (EvaluationException e) {
throw new ELException(e.getMessage(), e.getCause());
}
}
public void setValue(ELContext context, Object base, Object property,
Object value) {
if (property == null) {
throw new PropertyNotWritableException("Null Property");
}
try {
context.setPropertyResolved(true);
if (base == null) {
if (Arrays.binarySearch(IMPLICIT_OBJECTS, property
.toString()) >= 0) {
throw new PropertyNotWritableException(
"Implicit Variable Not Setable: " + property);
} else {
Map scope = this.resolveScope(property.toString());
this.getPropertyResolver().setValue(scope, property,
value);
}
} else {
if (base instanceof List || base.getClass().isArray()) {
this.getPropertyResolver().setValue(base,
Integer.parseInt(property.toString()), value);
} else {
this.getPropertyResolver().setValue(base, property,
value);
}
}
} catch (PropertyNotFoundException e) {
throw new javax.el.PropertyNotFoundException(e.getMessage(), e
.getCause());
} catch (EvaluationException e) {
throw new ELException(e.getMessage(), e.getCause());
}
}
private final Map resolveScope(String var) {
ExternalContext ext = faces.getExternalContext();
// cycle through the scopes to find a match, if no
// match is found, then return the requestScope
Map map = ext.getRequestMap();
if (!map.containsKey(var)) {
map = ext.getSessionMap();
if (!map.containsKey(var)) {
map = ext.getApplicationMap();
if (!map.containsKey(var)) {
map = ext.getRequestMap();
}
}
}
return map;
}
}
private final static class EmptyFunctionMapper extends FunctionMapper {
public Method resolveFunction(String prefix, String localName) {
return null;
}
}
}