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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
/**
* Copyright 2009-2018 PrimeTek.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.behavior.ajax;
import java.util.Collection;
import javax.faces.component.ActionSource;
import javax.faces.component.EditableValueHolder;
import javax.faces.component.UIComponent;
import javax.faces.component.behavior.ClientBehavior;
import javax.faces.component.behavior.ClientBehaviorContext;
import javax.faces.context.FacesContext;
import javax.faces.event.AjaxBehaviorEvent;
import javax.faces.event.PhaseId;
import javax.faces.render.ClientBehaviorRenderer;
import org.primefaces.component.api.ClientBehaviorRenderingMode;
import org.primefaces.context.RequestContext;
import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.util.AjaxRequestBuilder;
public class AjaxBehaviorRenderer extends ClientBehaviorRenderer {
@Override
public void decode(FacesContext context, UIComponent component, ClientBehavior behavior) {
AjaxBehavior ajaxBehavior = (AjaxBehavior) behavior;
if (!ajaxBehavior.isDisabled()) {
AjaxBehaviorEvent event = new AjaxBehaviorEvent(component, behavior);
PhaseId phaseId = isImmediate(component, ajaxBehavior) ? PhaseId.APPLY_REQUEST_VALUES : PhaseId.INVOKE_APPLICATION;
event.setPhaseId(phaseId);
component.queueEvent(event);
}
}
@Override
public String getScript(ClientBehaviorContext behaviorContext, ClientBehavior behavior) {
AjaxBehavior ajaxBehavior = (AjaxBehavior) behavior;
if (ajaxBehavior.isDisabled()) {
return null;
}
UIComponent component = behaviorContext.getComponent();
ClientBehaviorRenderingMode renderingMode = ClientBehaviorRenderingMode.OBSTRUSIVE;
Collection behaviorParameters = behaviorContext.getParameters();
if (behaviorParameters != null && !behaviorParameters.isEmpty()) {
for (ClientBehaviorContext.Parameter behaviorParameter : behaviorParameters) {
if (behaviorParameter.getValue() != null && behaviorParameter.getValue() instanceof ClientBehaviorRenderingMode) {
renderingMode = (ClientBehaviorRenderingMode) behaviorParameter.getValue();
break;
}
}
}
String source = behaviorContext.getSourceId();
String process = ajaxBehavior.getProcess();
if (process == null) {
process = "@this";
}
AjaxRequestBuilder builder = RequestContext.getCurrentInstance().getAjaxRequestBuilder();
String request = builder.init()
.source(source)
.event(behaviorContext.getEventName())
.form(SearchExpressionFacade.resolveClientId(behaviorContext.getFacesContext(), component, ajaxBehavior.getForm()))
.process(component, process)
.update(component, ajaxBehavior.getUpdate())
.async(ajaxBehavior.isAsync())
.global(ajaxBehavior.isGlobal())
.delay(ajaxBehavior.getDelay())
.timeout(ajaxBehavior.getTimeout())
.partialSubmit(ajaxBehavior.isPartialSubmit(), ajaxBehavior.isPartialSubmitSet(), ajaxBehavior.getPartialSubmitFilter())
.resetValues(ajaxBehavior.isResetValues(), ajaxBehavior.isResetValuesSet())
.ignoreAutoUpdate(ajaxBehavior.isIgnoreAutoUpdate())
.skipChildren(ajaxBehavior.isSkipChildren())
.onstart(ajaxBehavior.getOnstart())
.onerror(ajaxBehavior.getOnerror())
.onsuccess(ajaxBehavior.getOnsuccess())
.oncomplete(ajaxBehavior.getOncomplete())
.params(component)
.buildBehavior(renderingMode);
return request;
}
private boolean isImmediate(UIComponent component, AjaxBehavior ajaxBehavior) {
boolean immediate = false;
if (ajaxBehavior.isImmediateSet()) {
immediate = ajaxBehavior.isImmediate();
}
else if (component instanceof EditableValueHolder) {
immediate = ((EditableValueHolder) component).isImmediate();
}
else if (component instanceof ActionSource) {
immediate = ((ActionSource) component).isImmediate();
}
return immediate;
}
}