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/src/main/java/com/meterware/servletunit/ServletUnitHttpRequest.java

/*
 * MIT License
 *
 * Copyright 2011-2025 Russell Gold
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
 * to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
 * THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
package com.meterware.servletunit;

import com.meterware.httpunit.HttpUnitUtils;
import com.meterware.httpunit.WebClient;
import com.meterware.httpunit.WebRequest;

import jakarta.servlet.AsyncContext;
import jakarta.servlet.DispatcherType;
import jakarta.servlet.RequestDispatcher;
import jakarta.servlet.ServletConnection;
import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletInputStream;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import jakarta.servlet.http.HttpUpgradeHandler;
import jakarta.servlet.http.Part;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Base64;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.Dictionary;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.StringTokenizer;
import java.util.Vector;

/**
 * This class represents a servlet request created from a WebRequest.
 **/
class ServletUnitHttpRequest implements HttpServletRequest {

    private ServletInputStreamImpl _inputStream;
    private Vector _locales;
    private String _protocol;
    private boolean _secure;
    private RequestContext _requestContext;
    private String _charset;
    private boolean _gotReader;
    private boolean _gotInputStream;
    private BufferedReader _reader;
    private int _serverPort;
    private String _serverName;

    /**
     * Constructs a ServletUnitHttpRequest from a WebRequest object.
     **/
    ServletUnitHttpRequest(ServletMetaData servletRequest, WebRequest request, ServletUnitContext context,
            Dictionary clientHeaders, byte[] messageBody) throws MalformedURLException {
        if (context == null) {
            throw new IllegalArgumentException("Context must not be null");
        }

        _servletRequest = servletRequest;
        _request = request;
        _context = context;
        _headers = new WebClient.HeaderDictionary();
        _headers.addEntries(clientHeaders);
        _headers.addEntries(request.getHeaders());
        setCookiesFromHeader(_headers);
        _messageBody = messageBody;
        _protocol = request.getURL().getProtocol().toLowerCase();
        _secure = _protocol.endsWith("s");
        _serverName = request.getURL().getHost();
        _serverPort = request.getURL().getPort();
        if (_serverPort == -1) {
            _serverPort = request.getURL().getDefaultPort();
        }

        _requestContext = new RequestContext(request.getURL());
        String contentTypeHeader = (String) _headers.get("Content-Type");
        if (contentTypeHeader != null) {
            String[] res = HttpUnitUtils.parseContentTypeHeader(contentTypeHeader);
            _charset = res[1];
            _requestContext.setMessageEncoding(_charset);
        }
        if (_headers.get("Content-Length") == null) {
            _headers.put("Content-Length", Integer.toString(messageBody.length));
        }

        boolean setBody =
                // pre [ 1509117 ] getContentType()
                // _messageBody != null && (_contentType == null || _contentType.indexOf( "x-www-form-urlencoded" ) >= 0
                // );
                // patch version:
                _messageBody != null
                        && (contentTypeHeader == null || contentTypeHeader.indexOf("x-www-form-urlencoded") >= 0);
        if (setBody) {
            _requestContext.setMessageBody(_messageBody);
        }
    }

    // ----------------------------------------- HttpServletRequest methods --------------------------

    /**
     * Returns the name of the authentication scheme used to protect the servlet, for example, "BASIC" or "SSL," or null
     * if the servlet was not protected.
     **/
    @Override
    public String getAuthType() {
        return null;
    }

    /**
     * Returns the query string that is contained in the request URL after the path.
     **/
    @Override
    public String getQueryString() {
        return _request.getQueryString();
    }

    /**
     * Returns an array containing all of the Cookie objects the client sent with this request. This method returns null
     * if no cookies were sent.
     **/
    @Override
    public Cookie[] getCookies() {
        if (_cookies.size() == 0) {
            return null;
        }
        Cookie[] result = new Cookie[_cookies.size()];
        _cookies.copyInto(result);
        return result;
    }

    /**
     * Returns the value of the specified request header as an int. If the request does not have a header of the
     * specified name, this method returns -1. If the header cannot be converted to an integer, this method throws a
     * NumberFormatException.
     **/
    @Override
    public int getIntHeader(String name) {
        return Integer.parseInt(getHeader(name));
    }

    /**
     * Returns the value of the specified request header as a long value that represents a Date object. Use this method
     * with headers that contain dates, such as If-Modified-Since. <br>
     * The date is returned as the number of milliseconds since January 1, 1970 GMT. The header name is case
     * insensitive. If the request did not have a header of the specified name, this method returns -1. If the header
     * can't be converted to a date, the method throws an IllegalArgumentException.
     **/
    @Override
    public long getDateHeader(String name) {
        try {
            String dateString = getHeader(name);
            Date headerDate = new Date(dateString);
            return headerDate.getTime();
        } catch (Exception e) {
            return -1;
        }
    }

    /**
     * Returns the value of the specified request header as a String. If the request did not include a header of the
     * specified name, this method returns null. The header name is case insensitive. You can use this method with any
     * request header.
     **/
    @Override
    public String getHeader(String name) {
        return (String) _headers.get(name);
    }

    /**
     * Returns an enumeration of all the header names this request contains. If the request has no headers, this method
     * returns an empty enumeration. Some servlet containers do not allow do not allow servlets to access headers using
     * this method, in which case this method returns null.
     **/
    @Override
    public Enumeration getHeaderNames() {
        return _headers.keys();
    }

    /**
     * Returns the part of this request's URL that calls the servlet. This includes either the servlet name or a path to
     * the servlet, but does not include any extra path information or a query string.
     **/
    @Override
    public String getServletPath() {
        return _servletRequest.getServletPath();
    }

    /**
     * Returns the name of the HTTP method with which this request was made, for example, GET, POST, or PUT.
     **/
    @Override
    public String getMethod() {
        return _request.getMethod();
    }

    /**
     * Returns any extra path information associated with the URL the client sent when it made this request. The extra
     * path information follows the servlet path but precedes the query string. This method returns null if there was no
     * extra path information.
     **/
    @Override
    public String getPathInfo() {
        return _servletRequest.getPathInfo();
    }

    /**
     * Returns any extra path information after the servlet name but before the query string, and translates it to a
     * real path. If the URL does not have any extra path information, this method returns null.
     **/
    @Override
    public String getPathTranslated() {
        return null;
    }

    /**
     * Checks whether the requested session ID came in as a cookie.
     **/
    @Override
    public boolean isRequestedSessionIdFromCookie() {
        return _sessionID != null;
    }

    /**
     * Returns the login of the user making this request, if the user has been authenticated, or null if the user has
     * not been authenticated. Whether the user name is sent with each subsequent request depends on the browser and
     * type of authentication.
     **/
    @Override
    public String getRemoteUser() {
        return _userName;
    }

    /**
     * Returns the session ID specified by the client. This may not be the same as the ID of the actual session in use.
     * For example, if the request specified an old (expired) session ID and the server has started a new session, this
     * method gets a new session with a new ID. If the request did not specify a session ID, this method returns null.
     **/
    @Override
    public String getRequestedSessionId() {
        return _sessionID;
    }

    /**
     * Returns the part of this request's URL from the protocol name up to the query string in the first line of the
     * HTTP request.
     **/
    @Override
    public String getRequestURI() {
        return _requestContext.getRequestURI();
    }

    /**
     * Returns the current HttpSession associated with this request or, if there is no current session and create is
     * true, returns a new session. <br>
     * If create is false and the request has no valid HttpSession, this method returns null.
     **/
    @Override
    public HttpSession getSession(boolean create) {
        _session = _context.getValidSession(getRequestedSessionId(), _session, create);
        return _session;
    }

    /**
     * Returns the current session associated with this request, or if the request does not have a session, creates one.
     **/
    @Override
    public HttpSession getSession() {
        return getSession(true);
    }

    /**
     * Checks whether the requested session ID is still valid.
     **/
    @Override
    public boolean isRequestedSessionIdValid() {
        return false;
    }

    /**
     * Checks whether the requested session ID came in as part of the request URL.
     **/
    @Override
    public boolean isRequestedSessionIdFromURL() {
        return false;
    }

    // --------------------------------- ServletRequest methods ----------------------------------------------------

    /**
     * Returns the length, in bytes, of the content contained in the request and sent by way of the input stream or -1
     * if the length is not known.
     **/
    @Override
    public int getContentLength() {
        return getIntHeader("Content-length");
    }

    /**
     * Returns the value of the named attribute as an <code>Object</code>. This method allows the servlet engine to give
     * the servlet custom information about a request. This method returns <code>null</code> if no attribute of the
     * given name exists.
     **/
    @Override
    public Object getAttribute(String name) {
        return _attributes.get(name);
    }

    /**
     * Returns an <code>Enumeration</code> containing the names of the attributes available to this request. This method
     * returns an empty <code>Enumeration</code> if the request has no attributes available to it.
     **/
    @Override
    public Enumeration getAttributeNames() {
        return _attributes.keys();
    }

    /**
     * Retrieves binary data from the body of the request as a {@link ServletInputStream}, which gives you the ability
     * to read one line at a time.
     *
     * @return a {@link ServletInputStream} object containing the body of the request
     *
     * @exception IllegalStateException
     *                if the {@link #getReader} method has already been called for this request
     * @exception IOException
     *                if an input or output exception occurred
     */
    @Override
    public ServletInputStream getInputStream() throws IOException {
        if (_gotReader) {
            throw new IllegalStateException("getReader() has already been called for this request");
        }
        initializeInputStream();
        _gotInputStream = true;
        return _inputStream;
    }

    /**
     * initialize the inputStream
     */
    private void initializeInputStream() {
        if (_inputStream == null) {
            _inputStream = new ServletInputStreamImpl(_messageBody);
        }
    }

    /**
     * Returns the name of the character encoding style used in this request. This method returns <code>null</code> if
     * the request does not use character encoding.
     **/
    @Override
    public String getCharacterEncoding() {
        return _charset;
    }

    /**
     * Returns an <code>Enumeration</code> of <code>String</code> objects containing the names of the parameters
     * contained in this request. If the request has no parameters or if the input stream is empty, returns an empty
     * <code>Enumeration</code>. The input stream is empty when all the data returned by {@link #getInputStream} has
     * been read.
     **/
    @Override
    public Enumeration getParameterNames() {
        return _requestContext.getParameterNames();
    }

    /**
     * Returns the MIME type of the content of the request, or <code>null</code> if the type is not known. Same as the
     * value of the CGI variable CONTENT_TYPE.
     **/
    @Override
    public String getContentType() {
        return this.getHeader("Content-Type");
    }

    /**
     * Returns the value of a request parameter as a <code>String</code>, or <code>null</code> if the parameter does not
     * exist. Request parameters are extra information sent with the request.
     **/
    @Override
    public String getParameter(String name) {
        String[] parameters = getParameterValues(name);
        return parameters == null ? null : parameters[0];
    }

    /**
     * Returns an array of <code>String</code> objects containing all of the values the given request parameter has, or
     * <code>null</code> if the parameter does not exist. For example, in an HTTP servlet, this method returns an array
     * of <code>String</code> objects containing the values of a query string or posted form.
     **/
    @Override
    public String[] getParameterValues(String name) {
        return _requestContext.getParameterValues(name);
    }

    /**
     * Returns the name and version of the protocol the request uses in the form
     * <i>protocol/majorVersion.minorVersion</i>, for example, HTTP/1.1.
     **/
    @Override
    public String getProtocol() {
        return "HTTP/1.1";
    }

    /**
     * Returns the name of the scheme used to make this request, for example, <code>http</code>, <code>https</code>, or
     * <code>ftp</code>. Different schemes have different rules for constructing URLs, as noted in RFC 1738.
     **/
    @Override
    public String getScheme() {
        return _protocol;
    }

    /**
     * Returns the fully qualified name of the client that sent the request.
     **/
    @Override
    public String getRemoteHost() {
        return "localhost";
    }

    /**
     * Returns the host name of the server that received the request.
     **/
    @Override
    public String getServerName() {
        return _serverName;
    }

    /**
     * Returns the port number on which this request was received.
     **/
    @Override
    public int getServerPort() {
        return _serverPort;
    }

    /**
     * Returns the body of the request as a <code>BufferedReader</code> that translates character set encodings.
     *
     * @since [ 1221537 ] Patch: ServletUnitHttpRequest.getReader not implemented yet
     *
     * @author Tim - timmorrow (SourceForge)
     *
     * @return the reader
     **/
    @Override
    public BufferedReader getReader() throws IOException {
        if (_gotInputStream) {
            throw new IllegalStateException("getInputStream() has already been called on this request");
        }
        if (_reader == null) {
            initializeInputStream();
            String encoding = getCharacterEncoding();
            if (encoding == null) {
                encoding = HttpUnitUtils.DEFAULT_CHARACTER_SET;
            }
            _reader = new BufferedReader(new InputStreamReader(_inputStream, encoding));
            _gotReader = true;
        }
        return _reader;
    }

    /**
     * Returns the Internet Protocol (IP) address of the client that sent the request.
     **/
    @Override
    public String getRemoteAddr() {
        return LOOPBACK_ADDRESS;
    }

    /**
     * Stores an attribute in the context of this request. Attributes are reset between requests.
     **/
    @Override
    public void setAttribute(String key, Object o) {
        if (o == null) {
            _attributes.remove(key);
        } else {
            _attributes.put(key, o);
        }
    }

    // --------------------------------- methods added to ServletRequest in Servlet API 2.2
    // ------------------------------------------------

    /**
     * Returns a boolean indicating whether this request was made using a secure channel, such as HTTPS.
     **/
    @Override
    public boolean isSecure() {
        return _secure;
    }

    /**
     * Returns the preferred Locale that the client will accept content in, based on the Accept-Language header. If the
     * client request doesn't provide an Accept-Language header, this method returns the default locale for the server.
     **/
    @Override
    public Locale getLocale() {
        return (Locale) getPreferredLocales().firstElement();
    }

    /**
     * Returns an Enumeration of Locale objects indicating, in decreasing order starting with the preferred locale, the
     * locales that are acceptable to the client based on the Accept-Language header. If the client request doesn't
     * provide an Accept-Language header, this method returns an Enumeration containing one Locale, the default locale
     * for the server.
     **/
    @Override
    public java.util.Enumeration getLocales() {
        return getPreferredLocales().elements();
    }

    /**
     * Parses the accept-language header to obtain a vector of preferred locales
     *
     * @return the preferred locales, sorted by qvalue
     */
    private Vector getPreferredLocales() {
        if (_locales == null) {
            _locales = new Vector<>();
            String languages = getHeader("accept-language");
            if (languages == null) {
                _locales.add(Locale.getDefault());
            } else {
                StringTokenizer st = new StringTokenizer(languages, ",");
                ArrayList al = new ArrayList<>();
                while (st.hasMoreTokens()) {
                    String token = st.nextToken();
                    al.add(new PrioritizedLocale(token));
                }
                Collections.sort(al);
                for (Iterator iterator = al.iterator(); iterator.hasNext();) {
                    _locales.add(((PrioritizedLocale) iterator.next()).getLocale());
                }
            }
        }
        return _locales;
    }

    /**
     * Removes an attribute from this request. This method is not generally needed as attributes only persist as long as
     * the request is being handled.
     **/
    @Override
    public void removeAttribute(String name) {
        _attributes.remove(name);
    }

    /**
     * Returns a RequestDispatcher object that acts as a wrapper for the resource located at the given path. A
     * RequestDispatcher object can be used to forward a request to the resource or to include the resource in a
     * response. The resource can be dynamic or static. The pathname specified may be relative, although it cannot
     * extend outside the current servlet context. If the path begins with a "/" it is interpreted as relative to the
     * current context root. This method returns null if the servlet container cannot return a RequestDispatcher. The
     * difference between this method and ServletContext.getRequestDispatcher(java.lang.String) is that this method can
     * take a relative path.
     **/
    @Override
    public RequestDispatcher getRequestDispatcher(String path) {
        try {
            if (!path.startsWith("/")) {
                path = combinedPath(getServletPath(), path);
            }
            return _servletRequest.getServlet().getServletConfig().getServletContext().getRequestDispatcher(path);
        } catch (ServletException e) {
            return null;
        }
    }

    private String combinedPath(String basePath, String relativePath) {
        if (basePath.indexOf('/') < 0) {
            return relativePath;
        }
        return basePath.substring(0, basePath.lastIndexOf('/')) + '/' + relativePath;
    }

    // --------------------------------- methods added to HttpServletRequest in Servlet API 2.2
    // ------------------------------------------------

    /**
     * Returns a java.security.Principal object containing the name of the current authenticated user. If the user has
     * not been authenticated, the method returns null.
     **/
    @Override
    public java.security.Principal getUserPrincipal() {
        return null;
    }

    /**
     * Returns a boolean indicating whether the authenticated user is included in the specified logical "role". Roles
     * and role membership can be defined using deployment descriptors. If the user has not been authenticated, the
     * method returns false.
     **/
    @Override
    public boolean isUserInRole(String role) {
        if (_roles == null) {
            return false;
        }
        for (String _role : _roles) {
            if (role.equals(_role)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Returns all the values of the specified request header as an Enumeration of String objects.
     **/
    @Override
    public java.util.Enumeration getHeaders(String name) {
        Vector list = new Vector<>();
        if (_headers.containsKey(name)) {
            list.add(_headers.get(name));
        }
        return list.elements();
    }

    /**
     * Returns the portion of the request URI that indicates the context of the request. The context path always comes
     * first in a request URI. The path starts with a "/" character but does not end with a "/" character. For servlets
     * in the default (root) context, this method returns "".
     **/
    @Override
    public String getContextPath() {
        return _context.getContextPath();
    }

    // --------------------------------------- methods added to ServletRequest in Servlet API 2.3
    // ----------------------------

    /**
     * Returns a java.util.Map of the parameters of this request. Request parameters are extra information sent with the
     * request. For HTTP servlets, parameters are contained in the query string or posted form data.
     *
     * @since 1.3
     **/
    @Override
    public Map getParameterMap() {
        return _requestContext.getParameterMap();
    }

    /**
     * Overrides the name of the character encoding used in the body of this request. This method must be called prior
     * to reading request parameters or reading input using getReader().
     *
     * @since 1.3
     **/
    @Override
    public void setCharacterEncoding(String charset) throws UnsupportedEncodingException {
        _charset = charset;
        _requestContext.setMessageEncoding(charset);
    }

    // --------------------------------------- methods added to HttpServletRequest in Servlet API 2.3
    // ----------------------------

    /**
     * Reconstructs the URL the client used to make the request. The returned URL contains a protocol, server name, port
     * number, and server path, but it does not include query string parameters. Because this method returns a
     * StringBuffer, not a string, you can modify the URL easily, for example, to append query parameters. This method
     * is useful for creating redirect messages and for reporting errors.
     *
     * @since 1.3
     */
    @Override
    public StringBuffer getRequestURL() {
        StringBuilder url = new StringBuilder();
        try {
            url.append(_request.getURL().getProtocol()).append("://");
            url.append(_request.getURL().getHost());
            String portPortion = _request.getURL().getPort() == -1 ? "" : ":" + _request.getURL().getPort();
            url.append(portPortion);
            url.append(_request.getURL().getPath());
        } catch (MalformedURLException e) {
            throw new RuntimeException("unable to read URL from request: " + _request);
        }
        return new StringBuffer(url);
    }

    // --------------------------------------- methods added to ServletRequest in Servlet API 2.4
    // ----------------------------

    @Override
    public int getRemotePort() {
        return 0; // To change body of implemented methods use File | Settings | File Templates.
    }

    @Override
    public String getLocalName() {
        return "localhost";
    }

    @Override
    public String getLocalAddr() {
        return "127.0.0.1";
    }

    @Override
    public int getLocalPort() {
        return 0; // To change body of implemented methods use File | Settings | File Templates.
    }

    // --------------------------------------------- package members ----------------------------------------------

    private void addCookie(Cookie cookie) {
        _cookies.addElement(cookie);
        if (cookie.getName().equalsIgnoreCase(ServletUnitHttpSession.SESSION_COOKIE_NAME)) {
            _sessionID = cookie.getValue();
        }
    }

    private ServletUnitHttpSession getServletSession() {
        return (ServletUnitHttpSession) getSession();
    }

    void readFormAuthentication() {
        if (getSession( /* create */ false) != null) {
            recordAuthenticationInfo(getServletSession().getUserName(), getServletSession().getRoles());
        }
    }

    void readBasicAuthentication() {
        String authorizationHeader = (String) _headers.get("Authorization");

        if (authorizationHeader != null) {
            String userAndPassword = new String(Base64.getDecoder().decode(authorizationHeader
                    .substring(authorizationHeader.indexOf(' ') + 1).getBytes(StandardCharsets.UTF_8)),
                    StandardCharsets.UTF_8);
            int colonPos = userAndPassword.indexOf(':');
            recordAuthenticationInfo(userAndPassword.substring(0, colonPos),
                    toArray(userAndPassword.substring(colonPos + 1)));
        }
    }

    static String[] toArray(String roleList) {
        StringTokenizer st = new StringTokenizer(roleList, ",");
        String[] result = new String[st.countTokens()];
        for (int i = 0; i < result.length; i++) {
            result[i] = st.nextToken();
        }
        return result;
    }

    void recordAuthenticationInfo(String userName, String[] roles) {
        _userName = userName;
        _roles = roles;
    }

    // --------------------------------------------- private members ----------------------------------------------

    static final private String LOOPBACK_ADDRESS = "127.0.0.1";

    private WebRequest _request;
    private ServletMetaData _servletRequest;
    private WebClient.HeaderDictionary _headers;
    private ServletUnitContext _context;
    private ServletUnitHttpSession _session;
    private Hashtable _attributes = new Hashtable<>();
    private Vector _cookies = new Vector<>();
    private String _sessionID;
    private byte[] _messageBody;

    private String _userName;
    private String[] _roles;

    private void throwNotImplementedYet() {
        throw new RuntimeException("Not implemented yet");
    }

    private void setCookiesFromHeader(Dictionary clientHeaders) {
        String cookieHeader = (String) clientHeaders.get("Cookie");
        if (cookieHeader == null) {
            return;
        }

        StringTokenizer st = new StringTokenizer(cookieHeader, ",;=", true);
        String lastToken = st.nextToken();
        while (st.hasMoreTokens()) {
            String token = st.nextToken();
            if (token.equals("=") && st.hasMoreTokens()) {
                addCookie(new Cookie(lastToken.trim(), st.nextToken().trim()));
            }
            lastToken = token;
        }
    }

    static class PrioritizedLocale implements Comparable {

        private Locale _locale;
        private float _priority;

        PrioritizedLocale(String languageSpec) {
            int semiIndex = languageSpec.indexOf(';');
            if (semiIndex < 0) {
                _priority = 1;
                _locale = parseLocale(languageSpec);
            } else {
                _priority = Float.parseFloat(languageSpec.substring(languageSpec.indexOf('=', semiIndex) + 1));
                _locale = parseLocale(languageSpec.substring(0, semiIndex));
            }
        }

        private Locale parseLocale(String range) {
            range = range.trim();
            int dashIndex = range.indexOf('-');
            if (dashIndex < 0) {
                return new Locale(range, "");
            }
            return new Locale(range.substring(0, dashIndex), range.substring(dashIndex + 1));
        }

        public Locale getLocale() {
            return _locale;
        }

        @Override
        public int compareTo(Object o) {
            if (!(o instanceof PrioritizedLocale)) {
                throw new IllegalArgumentException("may only combine with other prioritized locales");
            }
            PrioritizedLocale other = (PrioritizedLocale) o;
            return _priority == other._priority ? _locale.getLanguage().compareTo(other._locale.getLanguage())
                    : _priority < other._priority ? +1 : -1;
        }

    }

    @Override
    public ServletContext getServletContext() {
        try {
            return _servletRequest.getServlet().getServletConfig().getServletContext();
        } catch (ServletException e) {
            return null;
        }
    }

    @Override
    public AsyncContext startAsync() throws IllegalStateException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public AsyncContext startAsync(ServletRequest servletRequest, ServletResponse servletResponse)
            throws IllegalStateException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public boolean isAsyncStarted() {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public boolean isAsyncSupported() {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public AsyncContext getAsyncContext() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public DispatcherType getDispatcherType() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public boolean authenticate(HttpServletResponse response) throws IOException, ServletException {
        // TODO Auto-generated method stub
        return false;
    }

    @Override
    public void login(String username, String password) throws ServletException {
        // TODO Auto-generated method stub

    }

    @Override
    public void logout() throws ServletException {
        // TODO Auto-generated method stub

    }

    @Override
    public Collection<Part> getParts() throws IOException, ServletException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public Part getPart(String name) throws IOException, ServletException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public long getContentLengthLong() {
        // TODO Auto-generated method stub
        return 0;
    }

    @Override
    public String changeSessionId() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public <T extends HttpUpgradeHandler> T upgrade(Class<T> handlerClass) throws IOException, ServletException {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public String getRequestId() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public String getProtocolRequestId() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public ServletConnection getServletConnection() {
        // TODO Auto-generated method stub
        return null;
    }
}

hazendaz / httpunit / 343

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