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Cosmetics LRUCache ELUtils optimizations EmptyStringToNullELResolver only if Tomcat is detected Signed-off-by: pizzi80 <[email protected]>
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61
impl/src/main/java/com/sun/faces/el/EmptyStringToNullELResolver.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Copyright (c) 1997, 2022 Oracle and/or its affiliates. All rights reserved. | ||
| * | ||
| * This program and the accompanying materials are made available under the | ||
| * terms of the Eclipse Public License v. 2.0, which is available at | ||
| * http://www.eclipse.org/legal/epl-2.0. | ||
| * | ||
| * This Source Code may also be made available under the following Secondary | ||
| * Licenses when the conditions for such availability set forth in the | ||
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, | ||
| * version 2 with the GNU Classpath Exception, which is available at | ||
| * https://www.gnu.org/software/classpath/license.html. | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 | ||
| */ | ||
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| package com.sun.faces.el; | ||
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| import jakarta.el.ELContext; | ||
| import jakarta.el.ELResolver; | ||
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| public class EmptyStringToNullELResolver extends ELResolver { | ||
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| public static final String TOMCAT_EL_CONTEXT_STRING_CLASS = "org.apache.el.lang.EvaluationContext"; | ||
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| @Override | ||
| public Class<?> getCommonPropertyType(ELContext context, Object base) { | ||
| return String.class; | ||
| } | ||
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| @Override | ||
| @SuppressWarnings("unchecked") | ||
| public <T> T convertToType(ELContext context, Object value, Class<T> targetType) { | ||
| if (value == null && targetType == String.class && context.getClass().getName().equals(TOMCAT_EL_CONTEXT_STRING_CLASS) ) { | ||
| context.setPropertyResolved(true); | ||
| } | ||
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| return (T) value; | ||
| } | ||
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| @Override | ||
| public Class<?> getType(ELContext context, Object base, Object property) { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public Object getValue(ELContext context, Object base, Object property) { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public boolean isReadOnly(ELContext context, Object base, Object property) { | ||
| return true; | ||
| } | ||
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| @Override | ||
| public void setValue(ELContext context, Object base, Object property, Object value) { | ||
| // NOOP. | ||
| } | ||
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| } |
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