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JSR-000344: JavaServer(TM) Faces 2.2 API
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
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package javax.faces.flow.builder;

import javax.el.ValueExpression;

/**
 * Create a navigation case in the current {@link javax.faces.flow.Flow}.
 * 
 * @since 2.2
 */
public abstract class NavigationCaseBuilder {

    /**
     * 
     * Set the from-view-id of the current navigation case.
     * 
     * @param fromViewId the from-view-id
     * @throws NullPointerException if any of the parameters are {@code null}
     * @since 2.2
     */

    public abstract NavigationCaseBuilder fromViewId(String fromViewId);
    
    /**
     * 
     * Set the from-action of the current navigation case.
     * 
     * @param fromAction the from-action
     * @throws NullPointerException if any of the parameters are {@code null}
     * @since 2.2
     */

    public abstract NavigationCaseBuilder fromAction(String fromAction);
    
    /**
     * 
     * Set the from-outcome of the current navigation case.
     * 
     * @param fromOutcome the from-outcome
     * @throws NullPointerException if any of the parameters are {@code null}
     * @since 2.2
     */

    public abstract NavigationCaseBuilder fromOutcome(String fromOutcome);
    
    /**
     * 
     * Set the to-view-id of the current navigation case.
     * 
     * @param toViewId the to-view-id
     * @throws NullPointerException if any of the parameters are {@code null}
     * @since 2.2
     */

    public abstract NavigationCaseBuilder toViewId(String toViewId);

    /**
     * 
     * Set the to-flow-document-id of the current navigation case.
     * 
     * @param toFlowDocumentId the to-flow-document-id
     * @throws NullPointerException if any of the parameters are {@code null}
     * @since 2.2
     */

    public abstract NavigationCaseBuilder toFlowDocumentId(String toFlowDocumentId);
    
    /**
     * 
     * Set the if of the current navigation case.
     * 
     * @param condition the 
     * @throws NullPointerException if any of the parameters are {@code null}
     * @since 2.2
     */

    public abstract NavigationCaseBuilder condition(String condition);
    
    /**
     * 
     * Set the if of the current navigation case.
     * 
     * @param condition the 
     * @throws NullPointerException if any of the parameters are {@code null}
     * @since 2.2
     */

    public abstract NavigationCaseBuilder condition(ValueExpression condition);
    
    /**
     * 
     * Create a redirect within this navigation case.
     * 
     * @since 2.2
     */

    public abstract RedirectBuilder redirect();
    
    /**
     * 
     * Allows populating the redirect with parameters 
     * and setting the includeViewParams option.
     * 
     * @since 2.2
     */
    
    public abstract class RedirectBuilder {
        
        /**
         * Add a parameter to the redirect.
         * 
         * @param name the name of the redirect parameter
         * @value the value of the redirect parameter.  May not be a {@code ValueExpression}.
         * @throws NullPointerException if any of the parameters are {@code null}
         * @since 2.2
         */

        public abstract RedirectBuilder parameter(String name, String value);
        
        /**
         * Indicates the current redirect should include view parameters.
         * 
         * @since 2.2
         */

        public abstract RedirectBuilder includeViewParams();
    
    }
    
}