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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
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package com.sun.faces.lifecycle;

import com.sun.faces.util.FacesLogger;

import java.util.logging.Logger;
import java.util.logging.Level;

import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseId;


/**
 * UpdateModelValuesPhase executes processUpdates on each
 * component in the tree so that it may have a chance to update its model value.
 */
public class UpdateModelValuesPhase extends Phase {


    // Log instance for this class
    private static Logger LOGGER = FacesLogger.LIFECYCLE.getLogger();


    // ---------------------------------------------------------- Public Methods


    public void execute(FacesContext facesContext) {

        if (LOGGER.isLoggable(Level.FINE)) {
            LOGGER.fine("Entering UpdateModelValuesPhase");
        }
        UIComponent component = facesContext.getViewRoot();
        assert (null != component);
        String exceptionMessage = null;

        try {
            component.processUpdates(facesContext);
        } catch (IllegalStateException e) {
            exceptionMessage = e.getMessage();
        } catch (FacesException fe) {
            exceptionMessage = fe.getMessage();
        }

        // Just log the exception.  Any exception occurring from
        // processUpdates should have been stored as a message
        // on FacesContext.
        if (exceptionMessage != null) {
            if (LOGGER.isLoggable(Level.WARNING)) {
                LOGGER.warning(exceptionMessage);
            }
        }
        if (LOGGER.isLoggable(Level.FINE)) {
            LOGGER.fine("Exiting UpdateModelValuesPhase");
        }

    }


    public PhaseId getId() {

        return PhaseId.UPDATE_MODEL_VALUES;

    }


// The testcase for this class is TestUpdateModelValuesPhase.java

} // end of class UpdateModelValuesPhase