SearchExpressionContextFactory.java

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package javax.faces.component.search;

import java.util.Set;
import javax.faces.FacesWrapper;
import javax.faces.component.UIComponent;
import javax.faces.component.visit.VisitHint;
import javax.faces.context.FacesContext;

/**
 * <p class="changed_added_2_3">Provide for separation of interface and
 * implementation for the {@link SearchExpressionContext} contract.
 * Usage: extend this class and push the implementation being wrapped to the
 * constructor and use {@link #getWrapped} to access the instance being wrapped.</p>
 *
 * @since 2.3
 */
public abstract class SearchExpressionContextFactory implements FacesWrapper<SearchExpressionContextFactory> {

    private final SearchExpressionContextFactory wrapped;

    /**
     * <p class="changed_added_2_3">If this factory has been decorated,
     * the implementation doing the decorating should push the implementation being wrapped to this constructor.
     * The {@link #getWrapped()} will then return the implementation being wrapped.</p>
     *
     * @param wrapped The implementation being wrapped.
     */
    public SearchExpressionContextFactory(SearchExpressionContextFactory wrapped) {
        this.wrapped = wrapped;
    }

    /**
     * <p class="changed_modified_2_3">If this factory has been decorated, the
     * implementation doing the decorating may override this method to provide
     * access to the implementation being wrapped.</p>
     */
    @Override
    public SearchExpressionContextFactory getWrapped() {
        return wrapped;
    }

    /**
     * <p class="changed_added_2_3">Creates a {@link SearchExpressionContext} instance
     * for use with the {@link SearchExpressionHandler}.</p>
     *
     * @param context the FacesContext for the current request
     * @param source the source / base component from which we will start to perform our search.
     * @param expressionHints the SearchExpressionHint to apply to the search.
     *                  If <code>null</code>, no hints are applied.
     * @param visitHints the VisitHints to apply to the visit, if used by a {@link SearchKeywordResolver}.
     *                  If <code>null</code>, no hints are applied.
     *
     * @return a {@link SearchExpressionContext} instance
     *
     * @since 2.3
     */
    public abstract SearchExpressionContext getSearchExpressionContext(FacesContext context, UIComponent source,
            Set<SearchExpressionHint> expressionHints, Set<VisitHint> visitHints);
}