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/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package javax.faces.component;

import javax.faces.context.FacesContext;


/**
 * 

This component is * responsible for displaying messages for a specific {@link * UIComponent}, identified by a clientId or component id relative to the * closest ancestor NamingContainer. The component * obtains the messages from the {@link FacesContext}.

* *

By default, the rendererType property must be set to * "javax.faces.Message". This value can be changed by * calling the setRendererType() method.

* */ public class UIMessage extends UIComponentBase { // ------------------------------------------------------ Manifest Constants /** *

The standard component type for this component.

*/ public static final String COMPONENT_TYPE = "javax.faces.Message"; /** *

The standard component family for this component.

*/ public static final String COMPONENT_FAMILY = "javax.faces.Message"; enum PropertyKeys { forValue("for"), showDetail, showSummary, redisplay; String toString; PropertyKeys(String toString) { this.toString = toString; } PropertyKeys() { } @Override public String toString() { return ((this.toString != null) ? this.toString : super.toString()); } } // ------------------------------------------------------------ Constructors /** *

Create a new {@link UIMessage} instance with default property * values.

*/ public UIMessage() { super(); setRendererType("javax.faces.Message"); } // -------------------------------------------------------------- Properties @Override public String getFamily() { return (COMPONENT_FAMILY); } /** *

Return the Identifier * of the component for which to render error messages. If this * component is within the same NamingContainer as the target * component, this must be the component identifier. Otherwise, it * must be an absolute component identifier (starting with ":"). See * the {@link UIComponent#findComponent} for more * information.

* * @return the for client identifier. */ public String getFor() { return (String) getStateHelper().eval(PropertyKeys.forValue); } /** *

Set the * identifier of the component for which this component * represents associated message(s) (if any). This property must be * set before the message is displayed.

* * @param newFor The new client id */ public void setFor(String newFor) { getStateHelper().put(PropertyKeys.forValue, newFor); } /** *

Return the flag indicating whether the detail * property of the associated message(s) should be displayed. * Defaults to true.

* * @return true if detail is to be shown, false otherwise. */ public boolean isShowDetail() { return (Boolean) getStateHelper().eval(PropertyKeys.showDetail, true); } /** *

Set the flag indicating whether the detail property * of the associated message(s) should be displayed.

* * @param showDetail The new flag */ public void setShowDetail(boolean showDetail) { getStateHelper().put(PropertyKeys.showDetail, showDetail); } /** *

Return the flag indicating whether the summary * property of the associated message(s) should be displayed. * Defaults to false.

* * @return true if the summary is to be shown, false otherwise. */ public boolean isShowSummary() { return (Boolean) getStateHelper().eval(PropertyKeys.showSummary, false); } /** *

Set the flag indicating whether the summary property * of the associated message(s) should be displayed.

* * @param showSummary The new flag value */ public void setShowSummary(boolean showSummary) { getStateHelper().put(PropertyKeys.showSummary, showSummary); } /** * @return true if this UIMessage instance should * redisplay {@link javax.faces.application.FacesMessage}s that have already been handled, * otherwise returns false. By default this method will * always return true if {@link #setRedisplay(boolean)} has * not been called. * * @since 2.0 */ public boolean isRedisplay() { return (Boolean) getStateHelper().eval(PropertyKeys.redisplay, true); } /** *

Set the flag indicating whether the detail property * of the associated message(s) should be displayed.

* * @param redisplay flag indicating whether previously handled messages * are redisplayed or not * * @since 2.0 */ public void setRedisplay(boolean redisplay) { getStateHelper().put(PropertyKeys.redisplay, redisplay); } }




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