coyoterequest.java

Tomcat 4.1与WebServer集成组件的源代码包.

     */
    public void setResponse(org.apache.catalina.Response response) {
        this.response = response;
    }


    /**
     * Return the Socket (if any) through which this Request was received.
     * This should <strong>only</strong> be used to access underlying state
     * information about this Socket, such as the SSLSession associated with
     * an SSLSocket.
     */
    public Socket getSocket() {
        return (socket);
    }

    /**
     * Set the Socket (if any) through which this Request was received.
     *
     * @param socket The socket through which this request was received
     */
    public void setSocket(Socket socket) {
        this.socket = socket;
        remoteHost = null;
        remoteAddr = null;
    }


    /**
     * Return the input stream associated with this Request.
     */
    public InputStream getStream() {
        return inputStream;
    }

    /**
     * Set the input stream associated with this Request.
     *
     * @param stream The new input stream
     */
    public void setStream(InputStream stream) {
        // Ignore
    }


    /**
     * The valve context associated with this request.
     */
    protected ValveContext valveContext = null;

    /**
     * Get valve context.
     */
    public ValveContext getValveContext() {
        return (this.valveContext);
    }

    /**
     * Set valve context.
     * 
     * @param valveContext New valve context object
     */
    public void setValveContext(ValveContext valveContext) {
        this.valveContext = valveContext;
    }


    /**
     * The Wrapper within which this Request is being processed.
     */
    protected Wrapper wrapper = null;

    /**
     * Return the Wrapper within which this Request is being processed.
     */
    public Wrapper getWrapper() {
        return (this.wrapper);
    }

    /**
     * Set the Wrapper within which this Request is being processed.  This
     * must be called as soon as the appropriate Wrapper is identified, and
     * before the Request is ultimately passed to an application servlet.
     *
     * @param wrapper The newly associated Wrapper
     */
    public void setWrapper(Wrapper wrapper) {
        this.wrapper = wrapper;
    }


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


    /**
     * Create and return a ServletInputStream to read the content
     * associated with this Request.
     *
     * @exception IOException if an input/output error occurs
     */
    public ServletInputStream createInputStream() 
        throws IOException {
        return inputStream;
    }


    /**
     * Perform whatever actions are required to flush and close the input
     * stream or reader, in a single operation.
     *
     * @exception IOException if an input/output error occurs
     */
    public void finishRequest() throws IOException {
        // The reader and input stream don't need to be closed
    }


    /**
     * Return the object bound with the specified name to the internal notes
     * for this request, or <code>null</code> if no such binding exists.
     *
     * @param name Name of the note to be returned
     */
    public Object getNote(String name) {
        return (notes.get(name));
    }


    /**
     * Return an Iterator containing the String names of all notes bindings
     * that exist for this request.
     */
    public Iterator getNoteNames() {
        return (notes.keySet().iterator());
    }


    /**
     * Remove any object bound to the specified name in the internal notes
     * for this request.
     *
     * @param name Name of the note to be removed
     */
    public void removeNote(String name) {
        notes.remove(name);
    }


    /**
     * Bind an object to a specified name in the internal notes associated
     * with this request, replacing any existing binding for this name.
     *
     * @param name Name to which the object should be bound
     * @param value Object to be bound to the specified name
     */
    public void setNote(String name, Object value) {
        notes.put(name, value);
    }


    /**
     * Set the content length associated with this Request.
     *
     * @param length The new content length
     */
    public void setContentLength(int length) {
        // Not used
    }


    /**
     * Set the content type (and optionally the character encoding)
     * associated with this Request.  For example,
     * <code>text/html; charset=ISO-8859-4</code>.
     *
     * @param type The new content type
     */
    public void setContentType(String type) {
        // Not used
    }


    /**
     * Set the protocol name and version associated with this Request.
     *
     * @param protocol Protocol name and version
     */
    public void setProtocol(String protocol) {
        // Not used
    }


    /**
     * Set the IP address of the remote client associated with this Request.
     *
     * @param remoteAddr The remote IP address
     */
    public void setRemoteAddr(String remoteAddr) {
        // Not used
    }


    /**
     * Set the fully qualified name of the remote client associated with this
     * Request.
     *
     * @param remoteHost The remote host name
     */
    public void setRemoteHost(String remoteHost) {
        // Not used
    }


    /**
     * Set the name of the scheme associated with this request.  Typical values
     * are <code>http</code>, <code>https</code>, and <code>ftp</code>.
     *
     * @param scheme The scheme
     */
    public void setScheme(String scheme) {
        // Not used
    }


    /**
     * Set the value to be returned by <code>isSecure()</code>
     * for this Request.
     *
     * @param secure The new isSecure value
     */
    public void setSecure(boolean secure) {
        this.secure = secure;
    }


    /**
     * Set the name of the server (virtual host) to process this request.
     *
     * @param name The server name
     */
    public void setServerName(String name) {
        coyoteRequest.serverName().setString(name);
    }


    /**
     * Set the port number of the server to process this request.
     *
     * @param port The server port
     */
    public void setServerPort(int port) {
        coyoteRequest.setServerPort(port);
    }


    // ------------------------------------------------- ServletRequest Methods


    /**
     * Return the specified request attribute if it exists; otherwise, return
     * <code>null</code>.
     *
     * @param name Name of the request attribute to return
     */
    public Object getAttribute(String name) {
        Object attr=attributes.get(name);

        if(attr!=null)
            return(attr);

        attr =  coyoteRequest.getAttribute(name);
        if(attr != null)
            return attr;
        // XXX Should move to Globals
        if(Constants.SSL_CERTIFICATE_ATTR.equals(name)) {
            coyoteRequest.action(ActionCode.ACTION_REQ_SSL_CERTIFICATE, null);
            attr = getAttribute(Globals.CERTIFICATES_ATTR);
            if(attr != null)
                attributes.put(name, attr);
        }
        return attr;
    }


    /**
     * Return the names of all request attributes for this Request, or an
     * empty <code>Enumeration</code> if there are none.
     */
    public Enumeration getAttributeNames() {
        return (new Enumerator(attributes.keySet()));
    }


    /**
     * Return the character encoding for this Request.
     */
    public String getCharacterEncoding() {
      return (coyoteRequest.getCharacterEncoding());
    }


    /**
     * Return the content length for this Request.
     */
    public int getContentLength() {
        return (coyoteRequest.getContentLength());
    }


    /**
     * Return the content type for this Request.
     */
    public String getContentType() {
        return (coyoteRequest.getContentType());
    }


    /**
     * Return the servlet input stream for this Request.  The default
     * implementation returns a servlet input stream created by
     * <code>createInputStream()</code>.
     *
     * @exception IllegalStateException if <code>getReader()</code> has
     *  already been called for this request
     * @exception IOException if an input/output error occurs
     */
    public ServletInputStream getInputStream() throws IOException {

        if (usingReader)
            throw new IllegalStateException
                (sm.getString("coyoteRequest.getInputStream.ise"));

        usingInputStream = true;
        return inputStream;

    }


    /**
     * Return the preferred Locale that the client will accept content in,
     * based on the value for the first <code>Accept-Language</code> header
     * that was encountered.  If the request did not specify a preferred
     * language, the server's default Locale is returned.
     */
    public Locale getLocale() {

        if (!localesParsed)
            parseLocales();

        if (locales.size() > 0) {
            return ((Locale) locales.get(0));
        } else {
            return (defaultLocale);
        }

    }


    /**
     * Return the set of preferred Locales that the client will accept
     * content in, based on the values for any <code>Accept-Language</code>
     * headers that were encountered.  If the request did not specify a
     * preferred language, the server's default Locale is returned.
     */
    public Enumeration getLocales() {

        if (!localesParsed)
            parseLocales();

        if (locales.size() > 0)
            return (new Enumerator(locales));
        ArrayList results = new ArrayList();
        results.add(defaultLocale);
        return (new Enumerator(results));

    }


    /**
     * Return the value of the specified request parameter, if any; otherwise,
     * return <code>null</code>.  If there is more than one value defined,
     * return only the first one.
     *
     * @param name Name of the desired request parameter
     */
    public String getParameter(String name) {

        if (!requestParametersParsed)
            parseRequestParameters();

        return coyoteRequest.getParameters().getParameter(name);

    }



    /**
     * Returns a <code>Map</code> 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.
     *
     * @return A <code>Map</code> containing parameter names as keys
     *  and parameter values as map values.
     */
    public Map getParameterMap() {

        if (parameterMap.isLocked())
            return parameterMap;

        Enumeration enum = getParameterNames();
        while (enum.hasMoreElements()) {
            String name = enum.nextElement().toString();
            String[] values = getParameterValues(name);
            parameterMap.put(name, values);
        }

        parameterMap.setLocked(true);

        return parameterMap;

    }


    /**
     * Return the names of all defined request parameters for this request.
     */
    public Enumeration getParameterNames() {

        if (!requestParametersParsed)
            parseRequestParameters();

        return coyoteRequest.getParameters().getParameterNames();

    }


    /**
     * Return the defined values for the specified request parameter, if any;
     * otherwise, return <code>null</code>.
     *
     * @param name Name of the desired request parameter
     */
    public String[] getParameterValues(String name) {

        if (!requestParametersParsed)
            parseRequestParameters();

        return coyoteRequest.getParameters().getParameterValues(name);

    }


    /**
     * Return the protocol and version used to make this Request.
     */
    public String getProtocol() {
        return coyoteRequest.protocol().toString();
    }


    /**
     * Read the Reader wrapping the input stream for this Request.  The
     * default implementation wraps a <code>BufferedReader</code> around the
     * servlet input stream returned by <code>createInputStream()</code>.
     *
     * @exception IllegalStateException if <code>getInputStream()</code>
     *  has already been called for this request
     * @exception IOException if an input/output error occurs
     */
    public BufferedReader getReader() throws IOException {

        if (usingInputStream)
            throw new IllegalStateException
                (sm.getString("coyoteRequest.getReader.ise"));

        usingReader = true;
        return reader;

    }


    /**
     * Return the real path of the specified virtual path.
     *
     * @param path Path to be translated
     *
     * @deprecated As of version 2.1 of the Java Servlet API, use
     *  <code>ServletContext.getRealPath()</code>.
     */
    public String getRealPath(String path) {

        if (context == null)
            return (null);
        ServletContext servletContext = context.getServletContext();
        if (servletContext == null)
            return (null);
        else {
            try {
                return (servletContext.getRealPath(path));
            } catch (IllegalArgumentException e) {
                return (null);
            }
        }

    }


    /**
     * Return the remote IP address making this Request.
     */
    public String getRemoteAddr() {
        if (remoteAddr == null) {
            if (socket != null) {
                InetAddress inet = socket.getInetAddress();
                remoteAddr = inet.getHostAddress();
            } else {
                coyoteRequest.action
                    (ActionCode.ACTION_REQ_HOST_ADDR_ATTRIBUTE, coyoteRequest);
                remoteAddr = coyoteRequest.remoteAddr().toString();
            }
        }
        return remoteAddr;
    }


    /**
     * Return the remote host name making this Request.
     */
    public String getRemoteHost() {
        if (remoteHost == null) {
            if (!connector.getEnableLookups()) {
                remoteHost = getRemoteAddr();
            } else if (socket != null) {
                InetAddress inet = socket.getInetAddress();
                remoteHost = inet.getHostName();
            } else {
                coyoteRequest.action
                    (ActionCode.ACTION_REQ_HOST_ATTRIBUTE, coyoteRequest);
                remoteHost = coyoteRequest.remoteHost().toString();
            }
        }
        return remoteHost;
    }


    /**
     * Return a RequestDispatcher that wraps the resource at the specified
     * path, which may be interpreted as relative to the current request path.
     *
     * @param path Path of the resource to be wrapped
     */
    public RequestDispatcher getRequestDispatcher(String path) {

        if (context == null)
            return (null);

        // If the path is already context-relative, just pass it through
        if (path == null)
            return (null);
        else if (path.startsWith("/"))
            return (context.getServletContext().getRequestDispatcher(path));

        // Convert a request-relative path to a context-relative one
        String servletPath = (String) getAttribute(Globals.INCLUDE_SERVLET_PATH_ATTR);