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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
There is a newer version: 2.2.20
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
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 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * 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
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
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 * Modifications:
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// TextareaRenderer.java

package com.sun.faces.renderkit.html_basic;

import java.io.IOException;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;

import com.sun.faces.renderkit.Attribute;
import com.sun.faces.renderkit.AttributeManager;
import com.sun.faces.renderkit.RenderKitUtils;

/**
 * TextareaRenderer is a class that renders the current value of
 * UIInput component as a Textarea.
 */

public class TextareaRenderer extends HtmlBasicInputRenderer {


    private static final Attribute[] ATTRIBUTES =
          AttributeManager.getAttributes(AttributeManager.Key.INPUTTEXTAREA);

    // ---------------------------------------------------------- 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);

        String styleClass =
              (String) component.getAttributes().get("styleClass");

        writer.startElement("textarea", component);
        writeIdAttributeIfNecessary(context, writer, component);
        writer.writeAttribute("name", component.getClientId(context),
                              "clientId");
        if (null != styleClass) {
            writer.writeAttribute("class", styleClass, "styleClass");
        }

        // style is rendered as a passthru attribute
        RenderKitUtils.renderPassThruAttributes(context,
                                                writer,
                                                component,
                                                ATTRIBUTES);
        RenderKitUtils.renderXHTMLStyleBooleanAttributes(writer, component);

        RenderKitUtils.renderOnchange(context, component, false);

        if (component.getAttributes().containsKey("com.sun.faces.addNewLineAtStart") &&
                "true".equalsIgnoreCase((String) component.getAttributes().get("com.sun.faces.addNewLineAtStart"))) {
            writer.writeText("\n", null);
        }

        // render default text specified
        if (currentValue != null) {
            writer.writeText(currentValue, component, "value");
        }

        writer.endElement("textarea");

    }

} // end of class TextareaRenderer