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This is the master POM file for Oracle's Implementation of the JSF 2.3 Specification.

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package javax.faces.component;

import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;

import javax.faces.el.MethodBinding;
import javax.faces.el.EvaluationException;
import javax.faces.context.FacesContext;

/**
 * 

MethodBindingValidator is an {@link * ValidatorListener} that wraps a {@link MethodBinding}. When it * receives a {@link ActionEvent}, it executes a method on an * object identified by the {@link MethodBinding}.

*/ class MethodBindingValidator extends MethodBindingAdapterBase implements Validator, StateHolder { // ------------------------------------------------------ Instance Variables private MethodBinding methodBinding = null; public MethodBindingValidator() {} /** *

Construct a {@link Validator} that contains a {@link * MethodBinding}.

*/ public MethodBindingValidator(MethodBinding methodBinding) { super(); this.methodBinding = methodBinding; } public MethodBinding getWrapped() { return methodBinding; } // ------------------------------------------------------- Validator @Override public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException { if (null == context || null == component) { throw new NullPointerException(); } try { methodBinding.invoke(context, new Object[] {context, component, value}); } catch (EvaluationException ee) { Throwable cause = this.getExpectedCause(ValidatorException.class, ee); if (cause instanceof ValidatorException) { throw ((ValidatorException) cause); } if (cause instanceof RuntimeException) { throw ((RuntimeException) cause); } throw new IllegalStateException(ee); } } // // Methods from StateHolder // @Override public Object saveState(FacesContext context) { if (context == null) { throw new NullPointerException(); } Object result = null; if (!tranzient) { if (methodBinding instanceof StateHolder) { Object [] stateStruct = new Object[2]; // save the actual state of our wrapped methodBinding stateStruct[0] = ((StateHolder)methodBinding).saveState(context); // save the class name of the methodBinding impl stateStruct[1] = methodBinding.getClass().getName(); result = stateStruct; } else { result = methodBinding; } } return result; } @Override public void restoreState(FacesContext context, Object state) { if (context == null) { throw new NullPointerException(); } // if we have state if (null == state) { return; } if (!(state instanceof MethodBinding)) { Object [] stateStruct = (Object []) state; Object savedState = stateStruct[0]; String className = stateStruct[1].toString(); MethodBinding result = null; Class toRestoreClass; if (null != className) { try { toRestoreClass = loadClass(className, this); } catch (ClassNotFoundException e) { throw new IllegalStateException(e); } if (null != toRestoreClass) { try { result = (MethodBinding) toRestoreClass.newInstance(); } catch (InstantiationException | IllegalAccessException e) { throw new IllegalStateException(e); } } if (null != result && null != savedState) { // don't need to check transient, since that was // done on the saving side. ((StateHolder)result).restoreState(context, savedState); } methodBinding = result; } } else { methodBinding = (MethodBinding) state; } } private boolean tranzient = false; @Override public boolean isTransient() { return tranzient; } @Override public void setTransient(boolean newTransientValue) { tranzient = newTransientValue; } // // Helper methods for StateHolder // private static Class loadClass(String name, Object fallbackClass) throws ClassNotFoundException { ClassLoader loader = Thread.currentThread().getContextClassLoader(); if (loader == null) { loader = fallbackClass.getClass().getClassLoader(); } return Class.forName(name, false, loader); } }




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