AstValuepublic final class AstValue extends SimpleNode
| Constructors Summary |
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public AstValue(int id)
super(id);
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| Methods Summary |
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| public javax.el.MethodInfo | getMethodInfo(org.apache.el.lang.EvaluationContext ctx, java.lang.Class[] paramTypes)
Target t = getTarget(ctx);
Method m = ReflectionUtil.getMethod(t.base, t.property, paramTypes);
return new MethodInfo(m.getName(), m.getReturnType(), m
.getParameterTypes());
| | private final org.apache.el.parser.AstValue$Target | getTarget(org.apache.el.lang.EvaluationContext ctx)
// evaluate expr-a to value-a
Object base = this.children[0].getValue(ctx);
// if our base is null (we know there are more properites to evaluate)
if (base == null) {
throw new PropertyNotFoundException(MessageFactory.get(
"error.unreachable.base", this.children[0].getImage()));
}
// set up our start/end
Object property = null;
int propCount = this.jjtGetNumChildren() - 1;
int i = 1;
// evaluate any properties before our target
ELResolver resolver = ctx.getELResolver();
if (propCount > 1) {
while (base != null && i < propCount) {
property = this.children[i].getValue(ctx);
ctx.setPropertyResolved(false);
base = resolver.getValue(ctx, base, property);
i++;
}
// if we are in this block, we have more properties to resolve,
// but our base was null
if (base == null || property == null) {
throw new PropertyNotFoundException(MessageFactory.get(
"error.unreachable.property", property));
}
}
property = this.children[i].getValue(ctx);
if (property == null) {
throw new PropertyNotFoundException(MessageFactory.get(
"error.unreachable.property", this.children[i]));
}
Target t = new Target();
t.base = base;
t.property = property;
return t;
| | public java.lang.Class | getType(org.apache.el.lang.EvaluationContext ctx)
Target t = getTarget(ctx);
ctx.setPropertyResolved(false);
return ctx.getELResolver().getType(ctx, t.base, t.property);
| | public java.lang.Object | getValue(org.apache.el.lang.EvaluationContext ctx)
Object base = this.children[0].getValue(ctx);
int propCount = this.jjtGetNumChildren();
int i = 1;
Object property = null;
ELResolver resolver = ctx.getELResolver();
while (base != null && i < propCount) {
property = this.children[i].getValue(ctx);
if (property == null) {
return null;
} else {
ctx.setPropertyResolved(false);
base = resolver.getValue(ctx, base, property);
}
i++;
}
return base;
| | public java.lang.Object | invoke(org.apache.el.lang.EvaluationContext ctx, java.lang.Class[] paramTypes, java.lang.Object[] paramValues)
Target t = getTarget(ctx);
Method m = ReflectionUtil.getMethod(t.base, t.property, paramTypes);
Object result = null;
try {
result = m.invoke(t.base, (Object[]) paramValues);
} catch (IllegalAccessException iae) {
throw new ELException(iae);
} catch (InvocationTargetException ite) {
throw new ELException(ite.getCause());
}
return result;
| | public boolean | isReadOnly(org.apache.el.lang.EvaluationContext ctx)
Target t = getTarget(ctx);
ctx.setPropertyResolved(false);
return ctx.getELResolver().isReadOnly(ctx, t.base, t.property);
| | public void | setValue(org.apache.el.lang.EvaluationContext ctx, java.lang.Object value)
Target t = getTarget(ctx);
ctx.setPropertyResolved(false);
ctx.getELResolver().setValue(ctx, t.base, t.property, value);
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