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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* 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
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package javax.faces.component;
/**
* <p><strong>UIParameter</strong> is a {@link UIComponent} that represents
* an optionally named configuration parameter for a parent component.</p>
*
* <p>Parent components should retrieve the value of a parameter by calling
* <code>getValue()</code>. In this way, the parameter value can be set
* directly on the component (via <code>setValue()</code>), or retrieved
* indirectly via the value binding expression.</p>
*
* <p>In some scenarios, it is necessary to provide a parameter name, in
* addition to the parameter value that is accessible via the
* <code>getValue()</code> method.
* {@link javax.faces.render.Renderer}s that support parameter names on their
* nested {@link UIParameter} child components should document
* their use of this property.</p>
*
*/
public class UIParameter extends UIComponentBase {
// ------------------------------------------------------ Manifest Constants
/**
* <p>The standard component type for this component.</p>
*/
public static final String COMPONENT_TYPE = "javax.faces.Parameter";
/**
* <p>The standard component family for this component.</p>
*/
public static final String COMPONENT_FAMILY = "javax.faces.Parameter";
enum PropertyKeys {
name,
value,
disable
}
// ------------------------------------------------------------ Constructors
/**
* <p>Create a new {@link UIParameter} instance with default property
* values.</p>
*/
public UIParameter() {
super();
setRendererType(null);
}
// -------------------------------------------------------------- Properties
public String getFamily() {
return (COMPONENT_FAMILY);
}
/**
* <p>Return the optional parameter name for this parameter.</p>
*/
public String getName() {
return (String) getStateHelper().eval(PropertyKeys.name);
}
/**
* <p>Set the optional parameter name for this parameter.</p>
*
* @param name The new parameter name,
* or <code>null</code> for no name
*/
public void setName(String name) {
getStateHelper().put(PropertyKeys.name, name);
}
/**
* <p>Returns the <code>value</code> property of the
* <code>UIParameter</code>.</p>
*/
public Object getValue() {
return getStateHelper().eval(PropertyKeys.value);
}
/**
* <p>Sets the <code>value</code> property of the\
* <code>UIParameter</code>.</p>
*
* @param value the new value
*/
public void setValue(Object value) {
getStateHelper().put(PropertyKeys.value, value);
}
/**
* <p class="changed_added_2_0">Return the value of the <code>disable</code>
* directive for this component. This directive determines whether the
* parameter value should be disabled by assigning it a null value.
* If true, the <code>value</code> set on this component is ignored.</p>
* @since 2.0
*/
public boolean isDisable() {
return (Boolean) getStateHelper().eval(PropertyKeys.disable, false);
}
/**
* <p>Sets the <code>disable</code> property of the <code>UIParameter</code>.</p>
* @param disable
* @since 2.0
*/
public void setDisable(boolean disable) {
getStateHelper().put(PropertyKeys.disable, disable);
}
}
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