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/*
* $Id: CheckboxRenderer.java,v 1.84.4.1 2007/08/30 19:26:19 rlubke Exp $
*
*/
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. 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.html
* or glassfish/bootstrap/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 glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
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*
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* Version 2] license." If you don't indicate a single choice of license, a
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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.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 String[] 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 = component.getClientId(context);
assert(clientId != null);
// Convert the new value
Map requestParameterMap = context.getExternalContext()
.getRequestParameterMap();
String 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 {
String newValue = (String) submittedValue;
return Boolean.valueOf(newValue);
}
// ------------------------------------------------------- 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 ("true".equals(currentValue)) {
writer.writeAttribute("checked", Boolean.TRUE, "value");
}
if (null != (styleClass = (String)
component.getAttributes().get("styleClass"))) {
writer.writeAttribute("class", styleClass, "styleClass");
}
RenderKitUtils.renderPassThruAttributes(writer,
component,
ATTRIBUTES);
RenderKitUtils.renderXHTMLStyleBooleanAttributes(writer, component);
writer.endElement("input");
}
// --------------------------------------------------------- Private Methods
/**
* @param value the submitted value
* @return "true" if the component was checked, otherise "false"
*/
private static String isChecked(String value) {
return Boolean.toString("on".equalsIgnoreCase(value)
|| "yes".equalsIgnoreCase(value)
|| "true".equalsIgnoreCase(value));
}
} // end of class CheckboxRenderer
