/**
* License Agreement.
*
* Rich Faces - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.richfaces.component;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.el.ValueExpression;
import javax.faces.FacesException;
import javax.faces.application.FacesMessage;
import javax.faces.component.EditableValueHolder;
import javax.faces.component.UIComponent;
import javax.faces.component.UIComponentBase;
import javax.faces.component.UIInput;
import javax.faces.component.UIMessage;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.FacesEvent;
import javax.faces.event.PhaseId;
import javax.faces.validator.Validator;
import org.ajax4jsf.component.AjaxComponent;
import org.ajax4jsf.component.AjaxContainer;
import org.ajax4jsf.component.AjaxSupport;
import org.ajax4jsf.component.EventValueExpression;
import org.ajax4jsf.context.AjaxContext;
import org.ajax4jsf.event.AjaxEvent;
import org.ajax4jsf.event.AjaxListener;
import org.ajax4jsf.renderkit.AjaxContainerRenderer;
import org.ajax4jsf.renderkit.AjaxRendererUtils;
import org.richfaces.event.ValidationEvent;
import org.richfaces.validator.HibernateValidator;
import org.richfaces.validator.FacesBeanValidator;
import org.richfaces.validator.GraphValidator;
/**
* JSF component class
*
*/
public abstract class UIGraphValidator extends UIComponentBase {
public static final String COMPONENT_TYPE = "org.richfaces.GraphValidator";
public static final String COMPONENT_FAMILY = "org.richfaces.GraphValidator";
/**
* Get object for validation
*
* @return
*/
public abstract Object getValue();
/**
* Set object for validation
*
* @param newvalue
*/
public abstract void setValue(Object newvalue);
/**
* Get object for validation
*
* @return
*/
public abstract String getSummary();
/**
* Set object for validation
*
* @param newvalue
*/
public abstract void setSummary(String newvalue);
/**
* Get set of profiles for validation
*
* @return
*/
public abstract Set<String> getProfile();
/**
* Set set of profiles for validation
*
* @param newvalue
*/
public abstract void setProfile(Set<String> newvalue);
/**
* Get graph validator Id.
* @return
*/
public abstract String getType();
/**
* Set graph validator Id.
* @param newvalue
*/
public abstract void setType(String newvalue);
@Override
public void processUpdates(FacesContext context) {
super.processUpdates(context);
Object value = getValue();
if (null != value) {
Validator validator = context.getApplication().createValidator(getType());
if (validator instanceof GraphValidator) {
GraphValidator graphValidator = (GraphValidator) validator;
String[] messages = graphValidator.validateGraph(context,this, value,getProfile());
if (null != messages) {
context.renderResponse();
// send all validation messages.
String clientId = getClientId(context);
for (String msg : messages) {
// TODO - create Summary message ?
String summary = null != getSummary() ? getSummary() + msg : msg;
context.addMessage(clientId, new FacesMessage(
FacesMessage.SEVERITY_ERROR, summary, msg));
}
}
} else {
throw new FacesException("Validator "+FacesBeanValidator.BEAN_VALIDATOR_TYPE+" does not implement GraphValidator");
}
}
}
@Override
public void encodeBegin(FacesContext context) throws IOException {
super.encodeBegin(context);
FacesBeanValidator validator = (FacesBeanValidator)context.getApplication().createValidator(getType());
validator.setSummary(getSummary());
setupValidators(this,validator);
}
@Override
public void encodeChildren(FacesContext context) throws IOException {
if(isRendered()){
for (UIComponent child : getChildren()) {
if(child.isRendered()){
child.encodeAll(context);
}
}
}
}
private void setupValidators(UIComponent component,
Validator validator) {
Iterator<UIComponent> facetsAndChildren = component.getFacetsAndChildren();
while (facetsAndChildren.hasNext()) {
UIComponent child = facetsAndChildren.next();
if (child instanceof EditableValueHolder) {
EditableValueHolder input = (EditableValueHolder) child;
setupValidator(input,validator);
}
setupValidators(child, validator);
}
}
/**
* @param input
*/
private void setupValidator(EditableValueHolder input,Validator validator) {
Validator[] validators = input.getValidators();
for (int i = 0; i < validators.length; i++) {
if(validators[i] instanceof FacesBeanValidator){
return;
}
}
input.addValidator(validator);
}
@Override
public boolean getRendersChildren() {
return true;
}
}