com.sun.faces.renderkit.html_basic.CheckboxRenderer Maven / Gradle / Ivy
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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
/*
* 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:
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* If you wish your version of this file to be governed by only the CDDL or
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* 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
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*/
// CheckboxRenderer.java
package com.sun.faces.renderkit.html_basic;
import java.io.IOException;
import java.util.Map;
import java.util.logging.Level;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.ConverterException;
import com.sun.faces.renderkit.Attribute;
import com.sun.faces.renderkit.AttributeManager;
import com.sun.faces.renderkit.RenderKitUtils;
/**
* CheckboxRenderer is a class that renders the current value of
* UISelectBoolean as a checkbox.
*/
public class CheckboxRenderer extends HtmlBasicInputRenderer {
private static final Attribute[] ATTRIBUTES =
AttributeManager.getAttributes(AttributeManager.Key.SELECTBOOLEANCHECKBOX);
// ---------------------------------------------------------- Public Methods
@Override
public void decode(FacesContext context, UIComponent component) {
rendererParamsNotNull(context, component);
if (!shouldDecode(component)) {
return;
}
String clientId = decodeBehaviors(context, component);
if (clientId == null) {
clientId = component.getClientId(context);
}
assert(clientId != null);
// Convert the new value
Map requestParameterMap = context.getExternalContext()
.getRequestParameterMap();
boolean isChecked = isChecked(requestParameterMap.get(clientId));
setSubmittedValue(component, isChecked);
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE,
"new value after decoding: {0}",
isChecked);
}
}
@Override
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException {
rendererParamsNotNull(context, component);
}
@Override
public Object getConvertedValue(FacesContext context,
UIComponent component,
Object submittedValue)
throws ConverterException {
return ((submittedValue instanceof Boolean)
? submittedValue
: Boolean.valueOf(submittedValue.toString()));
}
// ------------------------------------------------------- Protected Methods
@Override
protected void getEndTextToRender(FacesContext context,
UIComponent component,
String currentValue) throws IOException {
ResponseWriter writer = context.getResponseWriter();
assert(writer != null);
String styleClass;
writer.startElement("input", component);
writeIdAttributeIfNecessary(context, writer, component);
writer.writeAttribute("type", "checkbox", "type");
writer.writeAttribute("name", component.getClientId(context),
"clientId");
if (Boolean.valueOf(currentValue)) {
writer.writeAttribute("checked", Boolean.TRUE, "value");
}
if (null != (styleClass = (String)
component.getAttributes().get("styleClass"))) {
writer.writeAttribute("class", styleClass, "styleClass");
}
RenderKitUtils.renderPassThruAttributes(context,
writer,
component,
ATTRIBUTES,
getNonOnClickSelectBehaviors(component));
RenderKitUtils.renderXHTMLStyleBooleanAttributes(writer, component);
RenderKitUtils.renderSelectOnclick(context, component, false);
writer.endElement("input");
}
// --------------------------------------------------------- Private Methods
/**
* @param value the submitted value
* @return "true" if the component was checked, otherise "false"
*/
private static boolean isChecked(String value) {
return "on".equalsIgnoreCase(value)
|| "yes".equalsIgnoreCase(value)
|| "true".equalsIgnoreCase(value);
}
} // end of class CheckboxRenderer