|
Tomcat example source code file (ScopedAttributeELResolver.java)
The Tomcat ScopedAttributeELResolver.java source code/* * 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 javax.servlet.jsp.el; import java.beans.FeatureDescriptor; import java.util.ArrayList; import java.util.Collection; import java.util.Enumeration; import java.util.Iterator; import java.util.List; import javax.el.ELContext; import javax.el.ELException; import javax.el.ELResolver; import javax.el.PropertyNotFoundException; import javax.el.PropertyNotWritableException; import javax.servlet.jsp.JspContext; import javax.servlet.jsp.PageContext; public class ScopedAttributeELResolver extends ELResolver { public ScopedAttributeELResolver() { super(); } public Object getValue(ELContext context, Object base, Object property) throws NullPointerException, PropertyNotFoundException, ELException { if (context == null) { throw new NullPointerException(); } if (base == null) { context.setPropertyResolved(true); if (property != null) { String key = property.toString(); PageContext page = (PageContext) context .getContext(JspContext.class); return page.findAttribute(key); } } return null; } public Class<Object> getType(ELContext context, Object base, Object property) throws NullPointerException, PropertyNotFoundException, ELException { if (context == null) { throw new NullPointerException(); } if (base == null) { context.setPropertyResolved(true); return Object.class; } return null; } public void setValue(ELContext context, Object base, Object property, Object value) throws NullPointerException, PropertyNotFoundException, PropertyNotWritableException, ELException { if (context == null) { throw new NullPointerException(); } if (base == null) { context.setPropertyResolved(true); if (property != null) { String key = property.toString(); PageContext page = (PageContext) context .getContext(JspContext.class); int scope = page.getAttributesScope(key); if (scope != 0) { page.setAttribute(key, value, scope); } else { page.setAttribute(key, value); } } } } public boolean isReadOnly(ELContext context, Object base, Object property) throws NullPointerException, PropertyNotFoundException, ELException { if (context == null) { throw new NullPointerException(); } if (base == null) { context.setPropertyResolved(true); } return false; } public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext context, Object base) { PageContext ctxt = (PageContext) context.getContext(JspContext.class); List<FeatureDescriptor> list = new ArrayList Other Tomcat examples (source code examples)Here is a short list of links related to this Tomcat ScopedAttributeELResolver.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.