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/*
 * 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
 */

// OutputMessageRenderer.java

package com.sun.faces.renderkit.html_basic;

import java.io.IOException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import com.sun.faces.renderkit.RenderKitUtils;

import jakarta.faces.component.UIComponent;
import jakarta.faces.component.UIParameter;
import jakarta.faces.context.FacesContext;
import jakarta.faces.context.ResponseWriter;

/** OutputMessageRenderer is a class that renderes UIOutput */

public class OutputMessageRenderer extends HtmlBasicInputRenderer {

    // ---------------------------------------------------------- Public Methods

    @Override
    public void encodeBegin(FacesContext context, UIComponent component) throws IOException {

        rendererParamsNotNull(context, component);

    }

    @Override
    public void encodeEnd(FacesContext context, UIComponent component) throws IOException {

        rendererParamsNotNull(context, component);

        if (!shouldEncode(component)) {
            return;
        }

        String currentValue = getCurrentValue(context, component);
        // If null, do not output anything - return.
        if (null == currentValue) {
            return;
        }
        int childCount = component.getChildCount();
        List