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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
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* 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_1_1.html
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* language governing permissions and limitations under the License.
*
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* file and include the License file at packager/legal/LICENSE.txt.
*
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* exception as provided by Oracle in the GPL Version 2 section of the License
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package com.sun.faces.application;
import javax.faces.FacesException;
import javax.faces.application.Application;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.UIInput;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;
import com.sun.faces.util.MessageFactory;
import com.sun.faces.util.RequestStateManager;
/**
* Helper class to aid the ConverterPropertyEditorBase in converting
* properties.
*
* @author Mike Youngstrom
*/
public class PropertyEditorHelper {
private Application app;
public PropertyEditorHelper(Application app) {
this.app = app;
}
/**
* Convert the textValue
to an object of type targetClass by
* delegating to a converter.
*/
public Object convertToObject(Class> targetClass, String textValue) {
UIComponent component = getComponent();
Converter converter = app.createConverter(targetClass);
if (null == converter) {
// PENDING(edburns): I18N
FacesException e = new FacesException(
"Cannot create Converter to convert value "
+ textValue
+ " to instance of target class "
+ targetClass.getName()
+ '.');
throw e;
}
FacesContext currentInstance = FacesContext.getCurrentInstance();
try {
return converter.getAsObject(currentInstance, component, textValue);
} catch (ConverterException ce) {
addConversionErrorMessage(currentInstance, component, ce);
return null;
}
}
/**
* Convert an object of type targetClass to text by delegating to a converter
* obtained from the Faces application.
*/
public String convertToString(Class> targetClass, Object value) {
UIComponent component = getComponent();
Converter converter = app.createConverter(targetClass);
if (null == converter) {
// PENDING(edburns): I18N
throw new FacesException("Cannot create Converter to convert "
+ targetClass.getName()
+ " value "
+ value
+ " to string.");
}
FacesContext currentInstance = FacesContext.getCurrentInstance();
try {
return converter.getAsString(currentInstance, component, value);
} catch (ConverterException ce) {
addConversionErrorMessage(currentInstance, component, ce);
return null;
}
}
/**
* Return the {@link javax.faces.component.UIComponent} that is currently being
* processed.
*
* @return the current component, or null.
*/
protected UIComponent getComponent() {
FacesContext context = FacesContext.getCurrentInstance();
if (context != null) {
return ((UIComponent) RequestStateManager
.get(context, RequestStateManager.TARGET_COMPONENT_ATTRIBUTE_NAME));
}
return null;
}
/**
* Add a conversion error message in the case of a PropertyEditor based
* conversion error.
*
* @param context
* @param component
* @param ce
*/
protected void addConversionErrorMessage(FacesContext context,
UIComponent component,
ConverterException ce) {
String converterMessageString = null;
FacesMessage message;
UIInput input;
if (component instanceof UIInput) {
input = (UIInput) component;
converterMessageString = input.getConverterMessage();
input.setValid(false);
}
if (null != converterMessageString) {
message =
new FacesMessage(FacesMessage.SEVERITY_ERROR, converterMessageString, converterMessageString);
} else {
message = ce.getFacesMessage();
if (message == null) {
message = MessageFactory
.getMessage(context, UIInput.CONVERSION_MESSAGE_ID);
if (message.getDetail() == null) {
message.setDetail(ce.getMessage());
}
}
}
context.addMessage(component != null
? component.getClientId(context) : null, message);
}
}