org.primefaces.util.Jsf22Helper Maven / Gradle / Ivy
/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.util;
import java.io.IOException;
import java.util.Map;
import javax.el.ValueExpression;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
// helper to avoid java.lang.NoClassDefFoundError's in older environments
public class Jsf22Helper {
private Jsf22Helper() {
}
public static void renderPassThroughAttributes(FacesContext context, UIComponent component) throws IOException {
Map passthroughAttributes = component.getPassThroughAttributes(false);
if (passthroughAttributes != null && !passthroughAttributes.isEmpty()) {
ResponseWriter writer = context.getResponseWriter();
for (Map.Entry attribute : passthroughAttributes.entrySet()) {
Object attributeValue = attribute.getValue();
if (attributeValue != null) {
String value = null;
if (attributeValue instanceof ValueExpression) {
Object expressionValue = ((ValueExpression) attributeValue).getValue(context.getELContext());
if (expressionValue != null) {
value = expressionValue.toString();
}
}
else {
value = attributeValue.toString();
}
if (value != null) {
writer.writeAttribute(attribute.getKey(), value, null);
}
}
}
}
}
}