/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jsf.html;
import java.io.*;
import java.util.*;
import java.util.logging.*;
import java.text.MessageFormat;
import javax.faces.*;
import javax.faces.component.*;
import javax.faces.component.html.*;
import javax.faces.context.*;
import javax.faces.convert.*;
import javax.faces.render.*;
/**
* The HTML text renderer
*/
class HtmlOutputFormatRenderer extends Renderer
{
private static final Logger log
= Logger.getLogger(HtmlOutputFormatRenderer.class.getName());
public static final Renderer RENDERER = new HtmlOutputFormatRenderer();
/**
* True if the renderer is responsible for rendering the children.
*/
@Override
public boolean getRendersChildren()
{
return true;
}
/**
* Renders the open tag for the text.
*/
@Override
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException
{
ResponseWriter out = context.getResponseWriter();
String id = component.getId();
String dir;
String lang;
String style;
String styleClass;
String title;
if (component instanceof HtmlOutputFormat) {
HtmlOutputFormat htmlOutput = (HtmlOutputFormat) component;
dir = htmlOutput.getDir();
lang = htmlOutput.getLang();
style = htmlOutput.getStyle();
styleClass = htmlOutput.getStyleClass();
title = htmlOutput.getTitle();
}
else {
Map<String,Object> attrMap = component.getAttributes();
dir = (String) attrMap.get("dir");
lang = (String) attrMap.get("lang");
style = (String) attrMap.get("style");
styleClass = (String) attrMap.get("styleClass");
title = (String) attrMap.get("title");
}
if (dir == null && lang == null && style == null && styleClass == null)
return;
out.startElement("span", component);
if (id != null && ! id.startsWith(UIViewRoot.UNIQUE_ID_PREFIX))
out.writeAttribute("id", component.getClientId(context), "id");
if (dir != null)
out.writeAttribute("dir", dir, "dir");
if (lang != null)
out.writeAttribute("lang", lang, "dir");
if (style != null)
out.writeAttribute("style", style, "style");
if (styleClass != null)
out.writeAttribute("class", styleClass, "class");
if (title != null)
out.writeAttribute("title", title, "title");
}
/**
* Renders the content for the component.
*/
@Override
public void encodeChildren(FacesContext context, UIComponent component)
throws IOException
{
ResponseWriter out = context.getResponseWriter();
if (component instanceof HtmlOutputFormat) {
HtmlOutputFormat htmlOutput = (HtmlOutputFormat) component;
Object value = htmlOutput.getValue();
if (value == null)
return;
List paramList = new ArrayList();
List children = component.getChildren();
for (int i = 0; i < children.size(); i++) {
Object child = children.get(i);
if (child instanceof UIParameter) {
UIParameter param = (UIParameter) child;
paramList.add(param.getValue());
}
}
Object []params = paramList.toArray(new Object[paramList.size()]);
String pattern = toString(context, component, value);
String string
= new MessageFormat(pattern, context.getViewRoot().getLocale())
.format(params);
out.writeText(string, "value");
}
else {
Map<String,Object> attrMap = component.getAttributes();
Object value = attrMap.get("value");
if (value == null)
return;
out.writeText(value, "value");
}
}
/**
* Renders the closing tag for the component.
*/
@Override
public void encodeEnd(FacesContext context, UIComponent component)
throws IOException
{
ResponseWriter out = context.getResponseWriter();
if (component instanceof HtmlOutputFormat) {
HtmlOutputFormat htmlOutput = (HtmlOutputFormat) component;
if (htmlOutput.getStyleClass() != null
|| htmlOutput.getStyle() != null
|| htmlOutput.getDir() != null
|| htmlOutput.getLang() != null) {
out.endElement("span");
}
}
else {
Map<String,Object> attrMap = component.getAttributes();
if (attrMap.get("styleClass") != null
|| attrMap.get("style") != null
|| attrMap.get("dir") != null
|| attrMap.get("lang") != null) {
out.endElement("span");
}
}
for (UIComponent child : component.getChildren()) {
if (child instanceof UIOutput)
child.encodeAll(context);
}
}
protected String toString(FacesContext context,
UIComponent component,
Object value)
{
if (component instanceof ValueHolder) {
Converter converter = ((ValueHolder) component).getConverter();
if (converter != null) {
String result = converter.getAsString(context, component, value);
return result;
}
}
if (value != null)
return value.toString();
else
return "";
}
public String toString()
{
return "HtmlOutputFormatRenderer[]";
}
}