import org.springframework.webflow.engine.DecisionState; //导入依赖的package包/类
@Override
protected void doInitialize() throws Exception {
    final Flow flow = getLoginFlow();

    final String condition = "externalContext.requestParameterMap['openid.mode'] ne '' "
            + "&& externalContext.requestParameterMap['openid.mode'] ne null "
            + "&& externalContext.requestParameterMap['openid.mode'] ne 'associate'";

    final DecisionState decisionState = createDecisionState(flow, "selectFirstAction",
            condition, "openIdSingleSignOnAction",
            getStartState(flow).getId());

    final ActionState actionState = createActionState(flow, "openIdSingleSignOnAction",
            createEvaluateAction("openIdSingleSignOnAction"));

    actionState.getTransitionSet().add(createTransition(TRANSITION_ID_SUCCESS, TRANSITION_ID_SEND_TICKET_GRANTING_TICKET));
    actionState.getTransitionSet().add(createTransition(TRANSITION_ID_ERROR, getStartState(flow).getId()));
    actionState.getTransitionSet().add(createTransition(TRANSITION_ID_WARN, TRANSITION_ID_WARN));

    setStartState(flow, decisionState);
}
 

import org.springframework.webflow.engine.DecisionState; //导入依赖的package包/类
@Override
public DecisionState createDecisionState(final Flow flow, final String id, final String testExpression,
                                         final String thenStateId, final String elseStateId) {
    if (containsFlowState(flow, id)) {
        LOGGER.debug("Flow [{}] already contains a definition for state id [{}]", flow.getId(), id);
        return (DecisionState) flow.getTransitionableState(id);
    }

    final DecisionState decisionState = new DecisionState(flow, id);

    final Expression expression = createExpression(testExpression, Boolean.class);
    final Transition thenTransition = createTransition(expression, thenStateId);
    decisionState.getTransitionSet().add(thenTransition);

    final Transition elseTransition = createTransition("*", elseStateId);
    decisionState.getTransitionSet().add(elseTransition);

    return decisionState;

}
 

import org.springframework.webflow.engine.DecisionState; //导入依赖的package包/类
/**
 * Create decision state decision state.
 *
 * @param flow           the flow
 * @param id             the id
 * @param testExpression the test expression
 * @param thenStateId    the then state id
 * @param elseStateId    the else state id
 * @return the decision state
 */
protected DecisionState createDecisionState(final Flow flow, final String id, final String testExpression,
                                            final String thenStateId, final String elseStateId) {
    final DecisionState decisionState = new DecisionState(flow, id);

    final Expression expression = createExpression(flow, testExpression, Boolean.class);
    final Transition thenTransition = createTransition(expression, thenStateId);
    decisionState.getTransitionSet().add(thenTransition);

    final Transition elseTransition = createTransition("*", elseStateId);
    decisionState.getTransitionSet().add(elseTransition);

    return decisionState;

}
 

import org.springframework.webflow.engine.DecisionState; //导入依赖的package包/类
@Override
protected void doInitialize() throws Exception {
    final Flow flow = getLoginFlow();

    if (flow != null) {
        final String condition = getOpenIdModeCondition();

        final DecisionState decisionState = createDecisionState(flow, "selectFirstAction",
                condition, OPEN_ID_SINGLE_SIGN_ON_ACTION,
                getStartState(flow).getId());

        final ActionState actionState = createActionState(flow, OPEN_ID_SINGLE_SIGN_ON_ACTION,
                createEvaluateAction(OPEN_ID_SINGLE_SIGN_ON_ACTION));

        actionState.getTransitionSet().add(createTransition(CasWebflowConstants.TRANSITION_ID_SUCCESS,
                CasWebflowConstants.TRANSITION_ID_SEND_TICKET_GRANTING_TICKET));
        actionState.getTransitionSet().add(createTransition(CasWebflowConstants.TRANSITION_ID_ERROR, getStartState(flow).getId()));
        actionState.getTransitionSet().add(createTransition(CasWebflowConstants.TRANSITION_ID_WARN,
                CasWebflowConstants.TRANSITION_ID_WARN));
        actionState.getTransitionSet().add(createTransition(CasWebflowConstants.TRANSITION_ID_AUTHENTICATION_FAILURE,
                CasWebflowConstants.STATE_ID_VIEW_LOGIN_FORM));
        actionState.getExitActionList().add(createEvaluateAction("clearWebflowCredentialsAction"));
        registerMultifactorProvidersStateTransitionsIntoWebflow(actionState);

        setStartState(flow, decisionState);
    }
}
 

import org.springframework.webflow.engine.DecisionState; //导入依赖的package包/类
/**
 * Add on entry action to service check state.
 *
 * @param flow the flow
 */
protected void addOnEntryActionToServiceCheckState(final Flow flow) {
    final DecisionState state = (DecisionState) flow.getState(STATE_DEFINITION_ID_SERVICE_CHECK);

    final EvaluateAction action = createEvaluateAction("removeHostnameServiceInContextAction");
    state.getEntryActionList().add(action);
    LOGGER.debug("Set on-entry action for decision state {}", state.getId());
}
 

import org.springframework.webflow.engine.DecisionState; //导入依赖的package包/类
private void createSaml2ClientLogoutAction() {
    final Flow logoutFlow = getLogoutFlow();
    final DecisionState state = (DecisionState) logoutFlow.getState(CasWebflowConstants.STATE_ID_FINISH_LOGOUT);
    state.getEntryActionList().add(saml2ClientLogoutAction);
}
 

import org.springframework.webflow.engine.DecisionState; //导入依赖的package包/类
/**
 * Create decision state decision state.
 *
 * @param flow           the flow
 * @param id             the id
 * @param testExpression the test expression
 * @param thenStateId    the then state id
 * @param elseStateId    the else state id
 * @return the decision state
 */
DecisionState createDecisionState(Flow flow, String id, String testExpression,
                                  String thenStateId, String elseStateId);