/**
* Copyright 2005-2016 hdiv.org
*
* 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.hdiv.validators;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.component.UIParameter;
import javax.faces.component.behavior.AjaxBehavior;
import javax.faces.component.behavior.ClientBehavior;
import javax.faces.component.behavior.ClientBehaviorHolder;
import org.hdiv.util.UtilsJsf;
import org.hdiv.validation.ValidationContext;
public class GenericComponentValidator extends AbstractComponentValidator {
private static String ALL = "@all";
private static String FORM = "@form";
private static String THIS = "@this";
private static String NONE = "@none";
public GenericComponentValidator() {
super(UIComponent.class);
}
public void validate(final ValidationContext context, final UIComponent component) {
if (component instanceof ClientBehaviorHolder) {
validateClientBehaviors(context, (ClientBehaviorHolder) component);
}
String clientId = null;
if (component instanceof UIParameter) {
UIParameter parameter = (UIParameter) component;
clientId = parameter.getName();
}
else {
clientId = UtilsJsf.removeRowId(component.getClientId(context.getFacesContext()));
}
context.acceptParameter(clientId, clientId);
}
protected void validateClientBehaviors(final ValidationContext context, final ClientBehaviorHolder component) {
Map<String, List<ClientBehavior>> clientBehaviors = component.getClientBehaviors();
if (!clientBehaviors.isEmpty()) {
for (String event : clientBehaviors.keySet()) {
List<ClientBehavior> behaviors = clientBehaviors.get(event);
for (ClientBehavior behavior : behaviors) {
validateClientBehavior(context, component, event, behavior);
}
}
}
}
protected void validateClientBehavior(final ValidationContext context, final ClientBehaviorHolder component,
final String behaviourEvent, final ClientBehavior behavior) {
if (behavior instanceof AjaxBehavior) {
AjaxBehavior ajaxBehavior = (AjaxBehavior) behavior;
Collection<String> executeIds = ajaxBehavior.getExecute();
Collection<String> renderIds = ajaxBehavior.getRender();
String clientId = ((UIComponent) component).getClientId();
boolean hasNamingContainerParent = UtilsJsf.findParentNamingContainer((UIComponent) component) != null;
context.acceptParameter("javax.faces.partial.ajax", "true");
context.acceptParameter("javax.faces.partial.event", "click");// TODO more valid values??
context.acceptParameter("javax.faces.behavior.event", behaviourEvent);
acceptParameter(context, "javax.faces.source", clientId, hasNamingContainerParent);
acceptParameter(context, "javax.faces.partial.execute", resolveClientIds((UIComponent) component, executeIds),
hasNamingContainerParent);
acceptParameter(context, "javax.faces.partial.render", resolveClientIds((UIComponent) component, renderIds),
hasNamingContainerParent);
}
}
protected void acceptParameter(final ValidationContext context, final String param, final String ids,
final boolean hasNamingContainerParent) {
if (!hasNamingContainerParent) {
context.acceptParameter(param, ids);
}
else {
// Component is inside NamingContainer component, can contain indexes in component ids. Ex: 'form:list:1:button'
String paramValue = context.getRequestParameters().get(param);
if (paramValue != null) {
String genericValue = UtilsJsf.removeRowId(paramValue);
if (genericValue.equals(paramValue)) {
// No index in the components
context.acceptParameter(param, ids);
}
else {
// Index in the param value, Ex: 'form:list:1:button'
if (genericValue.equals(ids)) {
context.acceptParameter(param, paramValue);
}
// else: no param value match, can not accept it
}
}
}
}
protected String resolveClientIds(final UIComponent component, final Collection<String> ids) {
StringBuilder sb = new StringBuilder();
int i = 0;
for (String id : ids) {
if (i > 0) {
sb.append(' ');
}
i++;
if (id.charAt(0) == '@') {
if (id.equals(FORM)) {
sb.append(UtilsJsf.findParentForm(component).getClientId());
}
else if (id.equals(THIS)) {
sb.append(component.getClientId());
}
// TODO @none and @all
}
else if (id.charAt(0) == ':') {
sb.append(id.substring(1));
}
else {
sb.append(id);
}
}
return sb.toString();
}
}