ScopedAttributeELResolverpublic class ScopedAttributeELResolver extends ELResolver
| Constructors Summary |
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public ScopedAttributeELResolver()
super();
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| Methods Summary |
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| private static void | appendEnumeration(java.util.Collection c, java.util.Enumeration e)
while (e.hasMoreElements()) {
c.add(e.nextElement());
}
| | public java.lang.Class | getCommonPropertyType(javax.el.ELContext context, java.lang.Object base)
if (base == null) {
return String.class;
}
return null;
| | public java.util.Iterator | getFeatureDescriptors(javax.el.ELContext context, java.lang.Object base)
PageContext ctxt = (PageContext) context.getContext(JspContext.class);
List<FeatureDescriptor> list = new ArrayList<FeatureDescriptor>();
Enumeration e;
Object value;
String name;
e = ctxt.getAttributeNamesInScope(PageContext.PAGE_SCOPE);
while (e.hasMoreElements()) {
name = (String) e.nextElement();
value = ctxt.getAttribute(name, PageContext.PAGE_SCOPE);
FeatureDescriptor descriptor = new FeatureDescriptor();
descriptor.setName(name);
descriptor.setDisplayName(name);
descriptor.setExpert(false);
descriptor.setHidden(false);
descriptor.setPreferred(true);
descriptor.setShortDescription("page scoped attribute");
descriptor.setValue("type", value.getClass());
descriptor.setValue("resolvableAtDesignTime", Boolean.FALSE);
list.add(descriptor);
}
e = ctxt.getAttributeNamesInScope(PageContext.REQUEST_SCOPE);
while (e.hasMoreElements()) {
name = (String) e.nextElement();
value = ctxt.getAttribute(name, PageContext.REQUEST_SCOPE);
FeatureDescriptor descriptor = new FeatureDescriptor();
descriptor.setName(name);
descriptor.setDisplayName(name);
descriptor.setExpert(false);
descriptor.setHidden(false);
descriptor.setPreferred(true);
descriptor.setShortDescription("request scope attribute");
descriptor.setValue("type", value.getClass());
descriptor.setValue("resolvableAtDesignTime", Boolean.FALSE);
list.add(descriptor);
}
if (ctxt.getSession() != null) {
e = ctxt.getAttributeNamesInScope(PageContext.SESSION_SCOPE);
while (e.hasMoreElements()) {
name = (String) e.nextElement();
value = ctxt.getAttribute(name, PageContext.SESSION_SCOPE);
FeatureDescriptor descriptor = new FeatureDescriptor();
descriptor.setName(name);
descriptor.setDisplayName(name);
descriptor.setExpert(false);
descriptor.setHidden(false);
descriptor.setPreferred(true);
descriptor.setShortDescription("session scoped attribute");
descriptor.setValue("type", value.getClass());
descriptor.setValue("resolvableAtDesignTime", Boolean.FALSE);
list.add(descriptor);
}
}
e = ctxt.getAttributeNamesInScope(PageContext.APPLICATION_SCOPE);
while (e.hasMoreElements()) {
name = (String) e.nextElement();
value = ctxt.getAttribute(name, PageContext.APPLICATION_SCOPE);
FeatureDescriptor descriptor = new FeatureDescriptor();
descriptor.setName(name);
descriptor.setDisplayName(name);
descriptor.setExpert(false);
descriptor.setHidden(false);
descriptor.setPreferred(true);
descriptor.setShortDescription("application scoped attribute");
descriptor.setValue("type", value.getClass());
descriptor.setValue("resolvableAtDesignTime", Boolean.FALSE);
list.add(descriptor);
}
return list.iterator();
| | public java.lang.Class | getType(javax.el.ELContext context, java.lang.Object base, java.lang.Object property)
if (context == null) {
throw new NullPointerException();
}
if (base == null) {
context.setPropertyResolved(true);
return Object.class;
}
return null;
| | public java.lang.Object | getValue(javax.el.ELContext context, java.lang.Object base, java.lang.Object property)
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 boolean | isReadOnly(javax.el.ELContext context, java.lang.Object base, java.lang.Object property)
if (context == null) {
throw new NullPointerException();
}
if (base == null) {
context.setPropertyResolved(true);
}
return false;
| | public void | setValue(javax.el.ELContext context, java.lang.Object base, java.lang.Object property, java.lang.Object value)
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);
}
}
}
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