com.sun.faces.renderkit.html_basic.HtmlResponseWriter Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jakarta.faces Show documentation
EE4J Compatible Implementation for Jakarta Faces API
The newest version!
/*
 * 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
 */

package com.sun.faces.renderkit.html_basic;

import java.io.IOException;
import java.io.Writer;
import java.util.LinkedList;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.sun.faces.RIConstants;
import com.sun.faces.config.WebConfiguration;
import com.sun.faces.config.WebConfiguration.BooleanWebContextInitParameter;
import com.sun.faces.io.FastStringWriter;
import com.sun.faces.util.HtmlUtils;
import com.sun.faces.util.MessageUtils;

import jakarta.el.ValueExpression;
import jakarta.faces.FacesException;
import jakarta.faces.component.UIComponent;
import jakarta.faces.context.ExternalContext;
import jakarta.faces.context.FacesContext;
import jakarta.faces.context.ResponseWriter;
import jakarta.faces.render.Renderer;

/**
 * 
 * HtmlResponseWriter is an Html specific implementation of the ResponseWriter abstract
 * class. Kudos to Adam Winer (Oracle) for much of this code.
 */
public class HtmlResponseWriter extends ResponseWriter {

    // Content Type for this Writer.
    //
    private String contentType = "text/html";

    // Character encoding of that Writer - this may be null
    // if the encoding isn't known.
    //
    private String encoding;

    // Writer to use for output;
    //
    private Writer writer;

    // True when we need to close a start tag
    //
    private boolean closeStart;

    // Configuration flag regarding disableUnicodeEscaping
    //
    private WebConfiguration.DisableUnicodeEscaping disableUnicodeEscaping;

    // Flag to escape Unicode
    //
    private boolean escapeUnicode;

    // Flag to escape ISO-8859-1 codes
    //
    private boolean escapeIso;

    // True when we shouldn't be escaping output (basically,
    // inside of