/**
*
*/
package org.richfaces.ui.application;
import javax.el.ELContext;
import javax.el.MethodExpression;
import javax.el.MethodInfo;
import javax.el.MethodNotFoundException;
import javax.el.ValueExpression;
import javax.faces.context.FacesContext;
/**
* @author asmirnov
*
*/
public class StateMethodExpressionWrapper extends MethodExpression {
private MethodExpression parent;
private ValueExpression baseObjectExpression = null;
/**
* @param parent
*/
public StateMethodExpressionWrapper(MethodExpression parent,ValueExpression baseObject) {
this.parent = parent;
this.baseObjectExpression = baseObject;
}
/**
* @return
* @see javax.el.Expression#getExpressionString()
*/
public String getExpressionString() {
return parent.getExpressionString();
}
/**
* @param context
* @return
* @see javax.el.MethodExpression#getMethodInfo(javax.el.ELContext)
*/
public MethodInfo getMethodInfo(ELContext context) {
MethodInfo methodInfo = parent.getMethodInfo(context);
return methodInfo;
}
/**
* @param context
* @param params
* @return
* @see javax.el.MethodExpression#invoke(javax.el.ELContext,
* java.lang.Object[])
*/
public Object invoke(ELContext context, Object[] params) {
Object result;
try {
result = parent.invoke(context, params);
} catch (MethodNotFoundException e) {
Object base = baseObjectExpression.getValue(context);
if (base instanceof MethodExpression) {
MethodExpression referencedMethod = (MethodExpression) base;
result = referencedMethod.invoke(context, params);
} else {
throw e;
}
}
return result;
}
/**
* @return
* @see javax.el.Expression#isLiteralText()
*/
public boolean isLiteralText() {
return parent.isLiteralText();
}
/**
* @param obj
* @return
* @see javax.el.Expression#equals(java.lang.Object)
*/
public boolean equals(Object obj) {
return parent.equals(obj);
}
/**
* @return
* @see javax.el.Expression#hashCode()
*/
public int hashCode() {
return parent.hashCode();
}
/**
* @return
* @see java.lang.Object#toString()
*/
public String toString() {
return parent.toString();
}
}