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The private implementation classes of the Apache MyFaces Core JSF-2.0 Implementation
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.myfaces.shared.taglib;
import java.io.IOException;
import java.io.Reader;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.faces.component.UIComponent;
import javax.faces.webapp.UIComponentBodyTag;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.BodyContent;
import org.apache.myfaces.shared.renderkit.JSFAttr;
/**
* @author Manfred Geiler (latest modification by $Author: lu4242 $)
* @version $Revision: 1151677 $ $Date: 2011-07-27 19:03:59 -0500 (Wed, 27 Jul 2011) $
* @deprecated use {@link UIComponentBodyELTagBase} instead
*/
public abstract class UIComponentBodyTagBase
extends UIComponentBodyTag
{
//private static final Log log = LogFactory.getLog(UIComponentBodyTagBase.class);
private static final Logger log = Logger.getLogger(UIComponentBodyTagBase.class.getName());
public int doEndTag() throws JspException
{
if (log.isLoggable(Level.WARNING))
{
UIComponent component = getComponentInstance();
if (component != null &&
component.getRendersChildren() &&
!isBodyContentEmpty())
{
log.warning("Component with id '" + component.getClientId(getFacesContext()) +
"' (" + getClass().getName() +
" tag) and path : "+org.apache.myfaces.shared.renderkit.RendererUtils.getPathToComponent(component)+"renders it's children, but has embedded JSP or HTML code. Use the tag for nested HTML. For comments use <%/* */%> style JSP comments instead of style HTML comments." +
"\n BodyContent:\n" + getBodyContent().getString().trim());
}
}
return super.doEndTag();
}
/**
* TODO: Ignore comments
*/
private boolean isBodyContentEmpty()
{
BodyContent bodyContent = getBodyContent();
if (bodyContent == null)
{
return true;
}
try
{
Reader reader = bodyContent.getReader();
int c;
while ((c = reader.read()) != -1)
{
if (!Character.isWhitespace((char)c))
{
return false;
}
}
return true;
}
catch (IOException e)
{
log.log(Level.SEVERE, "Error inspecting BodyContent", e);
return false;
}
}
//-------- rest is identical to UIComponentTagBase ------------------
//UIComponent attributes
private String _forceId;
private String _forceIdIndex = "true";
//Special UIComponent attributes (ValueHolder, ConvertibleValueHolder)
private String _value;
private String _converter;
//attributes id, rendered and binding are handled by UIComponentTag
protected void setProperties(UIComponent component)
{
super.setProperties(component);
setBooleanProperty(component, JSFAttr.FORCE_ID_ATTR, _forceId);
setBooleanProperty(component, org.apache.myfaces.shared.renderkit.JSFAttr.FORCE_ID_INDEX_ATTR, _forceIdIndex);
//rendererType already handled by UIComponentTag
setValueProperty(component, _value);
setConverterProperty(component, _converter);
}
/**
* Sets the forceId attribute of the tag. NOTE: Not every tag that extends this class will
* actually make use of this attribute. Check the TLD to see which components actually
* implement it.
*
* @param aForceId The value of the forceId attribute.
*/
public void setForceId(String aForceId)
{
_forceId = aForceId;
}
/**
* Sets the forceIdIndex attribute of the tag. NOTE: Not every tag that extends this class will
* actually make use of this attribute. Check the TLD to see which components actually implement it.
*
* @param aForceIdIndex The value of the forceIdIndex attribute.
*/
public void setForceIdIndex(String aForceIdIndex)
{
_forceIdIndex = aForceIdIndex;
}
public void setValue(String value)
{
_value = value;
}
public void setConverter(String converter)
{
_converter = converter;
}
// sub class helpers
protected void setIntegerProperty(UIComponent component, String propName, String value)
{
UIComponentTagUtils.setIntegerProperty(getFacesContext(), component, propName, value);
}
protected void setStringProperty(UIComponent component, String propName, String value)
{
UIComponentTagUtils.setStringProperty(getFacesContext(), component, propName, value);
}
protected void setBooleanProperty(UIComponent component, String propName, String value)
{
UIComponentTagUtils.setBooleanProperty(getFacesContext(), component, propName, value);
}
protected void setValueProperty(UIComponent component, String value)
{
UIComponentTagUtils.setValueProperty(getFacesContext(), component, value);
}
private void setConverterProperty(UIComponent component, String value)
{
UIComponentTagUtils.setConverterProperty(getFacesContext(), component, value);
}
protected void setValidatorProperty(UIComponent component, String value)
{
UIComponentTagUtils.setValidatorProperty(getFacesContext(), component, value);
}
protected void setActionProperty(UIComponent component, String action)
{
UIComponentTagUtils.setActionProperty(getFacesContext(), component, action);
}
protected void setActionListenerProperty(UIComponent component, String actionListener)
{
UIComponentTagUtils.setActionListenerProperty(getFacesContext(), component, actionListener);
}
protected void setValueChangedListenerProperty(UIComponent component, String valueChangedListener)
{
UIComponentTagUtils.setValueChangedListenerProperty(getFacesContext(), component, valueChangedListener);
}
protected void setValueBinding(UIComponent component,
String propName,
String value)
{
UIComponentTagUtils.setValueBinding(getFacesContext(), component, propName, value);
}
}