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EE4J Compatible Implementation for Jakarta Faces API
/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
// TextRenderer.java
package com.sun.faces.renderkit.html_basic;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import com.sun.faces.config.WebConfiguration;
import com.sun.faces.renderkit.Attribute;
import com.sun.faces.renderkit.AttributeManager;
import com.sun.faces.renderkit.RenderKitUtils;
import jakarta.faces.application.FacesMessage;
import jakarta.faces.application.ProjectStage;
import jakarta.faces.component.UIComponent;
import jakarta.faces.component.UIInput;
import jakarta.faces.component.UIOutput;
import jakarta.faces.component.html.HtmlInputFile;
import jakarta.faces.component.html.HtmlInputText;
import jakarta.faces.context.FacesContext;
import jakarta.faces.context.ResponseWriter;
/**
* TextRenderer is a class that renders the current value of UIInput or UIOutput
* component as a input field or static text.
*/
public class TextRenderer extends HtmlBasicInputRenderer {
private static final Attribute[] INPUTTEXT_ATTRIBUTES = AttributeManager.getAttributes(AttributeManager.Key.INPUTTEXT);
private static final Attribute[] INPUTFILE_ATTRIBUTES = AttributeManager.getAttributes(AttributeManager.Key.INPUTFILE);
private static final Attribute[] OUTPUT_ATTRIBUTES = AttributeManager.getAttributes(AttributeManager.Key.OUTPUTTEXT);
private static final Map RECOMMENDED_COMPONENTS_BY_DISCOMMENDED_TYPES = mapRecommendedComponentsByDiscommendedTypes();
private static Map mapRecommendedComponentsByDiscommendedTypes() {
Map map = new HashMap<>(9);
map.put("hidden", "");
map.put("password", "");
map.put("checkbox", " or ");
map.put("radio", "");
map.put("file", "");
map.put("submit", "");
map.put("image", "");
map.put("reset", "");
map.put("button", " or ");
return Collections.unmodifiableMap(map);
}
// ---------------------------------------------------------- Public Methods
@Override
public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
rendererParamsNotNull(context, component);
}
// ------------------------------------------------------- Protected Methods
@Override
protected void getEndTextToRender(FacesContext context, UIComponent component, String currentValue) throws IOException {
ResponseWriter writer = context.getResponseWriter();
assert writer != null;
boolean shouldWriteIdAttribute = false;
boolean isOutput = false;
String style = (String) component.getAttributes().get("style");
String styleClass = (String) component.getAttributes().get("styleClass");
String dir = (String) component.getAttributes().get("dir");
String lang = (String) component.getAttributes().get("lang");
String title = (String) component.getAttributes().get("title");
Map passthroughAttributes = component.getPassThroughAttributes(false);
boolean hasPassthroughAttributes = null != passthroughAttributes && !passthroughAttributes.isEmpty();
if (component instanceof UIInput) {
writer.startElement("input", component);
writeIdAttributeIfNecessary(context, writer, component);
if (component instanceof HtmlInputFile) {
writer.writeAttribute("type", "file", null);
String accept = ((HtmlInputFile) component).getAccept();
if (accept != null) {
writer.writeAttribute("accept", accept, "accept");
}
} else if (component instanceof HtmlInputText) {
String type = ((HtmlInputText) component).getType();
if (context.isProjectStage(ProjectStage.Development)) {
String recommendedComponent = RECOMMENDED_COMPONENTS_BY_DISCOMMENDED_TYPES.get(type.trim().toLowerCase());
if (recommendedComponent != null) {
String message = " is discommended, you should instead use " + recommendedComponent;
context.addMessage(component.getClientId(context), new FacesMessage(FacesMessage.SEVERITY_WARN, message, message));
}
}
writer.writeAttribute("type", type, null);
} else {
writer.writeAttribute("type", "text", null);
}
writer.writeAttribute("name", component.getClientId(context), "clientId");
// only output the autocomplete attribute if the value
// is 'off' since its lack of presence will be interpreted
// as 'on' by the browser
if ("off".equals(component.getAttributes().get("autocomplete"))) {
writer.writeAttribute("autocomplete", "off", "autocomplete");
}
// render default text specified
if (currentValue != null) {
writer.writeAttribute("value", currentValue, "value");
}
if (null != styleClass) {
writer.writeAttribute("class", styleClass, "styleClass");
}
// style is rendered as a passthru attribute
Attribute[] attributes = component instanceof HtmlInputFile ? INPUTFILE_ATTRIBUTES : INPUTTEXT_ATTRIBUTES;
RenderKitUtils.renderPassThruAttributes(context, writer, component, attributes, getNonOnChangeBehaviors(component));
RenderKitUtils.renderXHTMLStyleBooleanAttributes(writer, component);
RenderKitUtils.renderOnchange(context, component, false);
writer.endElement("input");
} else if (isOutput = component instanceof UIOutput) {
if (styleClass != null || style != null || dir != null || lang != null || title != null || hasPassthroughAttributes
|| (shouldWriteIdAttribute = shouldWriteIdAttribute(component))) {
writer.startElement("span", component);
writeIdAttributeIfNecessary(context, writer, component);
if (null != styleClass) {
writer.writeAttribute("class", styleClass, "styleClass");
}
// style is rendered as a passthru attribute
RenderKitUtils.renderPassThruAttributes(context, writer, component, OUTPUT_ATTRIBUTES);
}
if (currentValue != null) {
Object val = component.getAttributes().get("escape");
if (val != null && Boolean.valueOf(val.toString())) {
writer.writeText(currentValue, component, "value");
} else {
writer.write(currentValue);
}
}
}
if (isOutput && (styleClass != null || style != null || dir != null || lang != null || title != null || hasPassthroughAttributes
|| shouldWriteIdAttribute)) {
writer.endElement("span");
}
}
@Override
public boolean getRendersChildren() {
return true;
}
@Override
public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
boolean renderChildren = WebConfiguration.getInstance().isOptionEnabled(WebConfiguration.BooleanWebContextInitParameter.AllowTextChildren);
if (!renderChildren) {
return;
}
rendererParamsNotNull(context, component);
if (!shouldEncodeChildren(component)) {
return;
}
if (component.getChildCount() > 0) {
for (UIComponent kid : component.getChildren()) {
encodeRecursive(context, kid);
}
}
}
// The testcase for this class is TestRenderers_2.java
}