Introducing Java Servlet Container beta.

src/java/nginx/unit/DynamicDispatcherRequest.java

@@ -0,0 +1,8 @@
+package nginx.unit;
+
+import javax.servlet.DispatcherType;
+
+public interface DynamicDispatcherRequest
+{
+    public void setDispatcherType(DispatcherType type);
+}

src/java/nginx/unit/DynamicPathRequest.java

@@ -0,0 +1,15 @@
+package nginx.unit;
+
+public interface DynamicPathRequest
+    extends DynamicDispatcherRequest
+{
+    public void setServletPath(String servlet_path, String path_info);
+
+    public void setServletPath(String filter_path, String servlet_path, String path_info);
+
+    public void setRequestURI(String uri);
+
+    public void setQueryString(String query);
+
+    public String getFilterPath();
+}

src/java/nginx/unit/ForwardRequestWrapper.java

@@ -0,0 +1,150 @@
+package nginx.unit;
+
+import java.util.List;
+import java.util.Map;
+
+import javax.servlet.DispatcherType;
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletRequest;
+import javax.servlet.http.HttpServletRequest;
+
+import org.eclipse.jetty.util.MultiMap;
+import org.eclipse.jetty.util.UrlEncoded;
+
+public class ForwardRequestWrapper implements DynamicPathRequest
+{
+    private final Request request_;
+
+    private final boolean keep_attrs;
+
+    private final String orig_filter_path;
+    private final String orig_servlet_path;
+    private final String orig_path_info;
+    private final String orig_uri;
+    private final String orig_context_path;
+    private final String orig_query;
+
+    private final DispatcherType orig_dtype;
+
+    private MultiMap<String> orig_parameters;
+
+    public ForwardRequestWrapper(ServletRequest request)
+    {
+        if (request instanceof Request) {
+            request_ = (Request) request;
+        } else {
+            request_ = (Request) request.getAttribute(Request.BARE);
+        }
+
+        keep_attrs = request_.getAttribute(RequestDispatcher.FORWARD_REQUEST_URI) != null;
+
+        orig_dtype = request_.getDispatcherType();
+
+        orig_filter_path = request_.getFilterPath();
+        orig_servlet_path = request_.getServletPath();
+        orig_path_info = request_.getPathInfo();
+        orig_uri = request_.getRequestURI();
+        orig_context_path = request_.getContextPath();
+        orig_query = request_.getQueryString();
+    }
+
+    @Override
+    public void setDispatcherType(DispatcherType type)
+    {
+        request_.setDispatcherType(type);
+
+        /*
+            9.4.2 Forwarded Request Parameters
+            ...
+            Note that these attributes must always reflect the information in
+            the original request even under the situation that multiple
+            forwards and subsequent includes are called.
+         */
+
+        if (keep_attrs) {
+            return;
+        }
+
+        /*
+            9.4.2 Forwarded Request Parameters
+            ...
+            The values of these attributes must be equal to the return values
+            of the HttpServletRequest methods getRequestURI, getContextPath,
+            getServletPath, getPathInfo, getQueryString respectively, invoked
+            on the request object passed to the first servlet object in the
+            call chain that received the request from the client.
+         */
+
+        request_.setAttribute_(RequestDispatcher.FORWARD_SERVLET_PATH, orig_servlet_path);
+        request_.setAttribute_(RequestDispatcher.FORWARD_PATH_INFO, orig_path_info);
+        request_.setAttribute_(RequestDispatcher.FORWARD_REQUEST_URI, orig_uri);
+        request_.setAttribute_(RequestDispatcher.FORWARD_CONTEXT_PATH, orig_context_path);
+        request_.setAttribute_(RequestDispatcher.FORWARD_QUERY_STRING, orig_query);
+    }
+
+    @Override
+    public void setServletPath(String servlet_path, String path_info)
+    {
+        request_.setServletPath(servlet_path, path_info);
+    }
+
+    @Override
+    public void setServletPath(String filter_path, String servlet_path, String path_info)
+    {
+        request_.setServletPath(filter_path, servlet_path, path_info);
+    }
+
+    @Override
+    public void setRequestURI(String uri)
+    {
+        request_.setRequestURI(uri);
+    }
+
+    @Override
+    public void setQueryString(String query)
+    {
+        if (query != null) {
+            orig_parameters = request_.getParameters();
+
+            MultiMap<String> parameters = new MultiMap<>();
+            UrlEncoded.decodeUtf8To(query, parameters);
+
+            for (Map.Entry<String, List<String>> e: orig_parameters.entrySet()) {
+                parameters.addValues(e.getKey(), e.getValue());
+            }
+
+            request_.setParameters(parameters);
+
+            request_.setQueryString(query);
+        }
+    }
+
+    @Override
+    public String getFilterPath()
+    {
+        return request_.getFilterPath();
+    }
+
+    public void close()
+    {
+        request_.setDispatcherType(orig_dtype);
+
+        request_.setRequestURI(orig_uri);
+        request_.setServletPath(orig_filter_path, orig_servlet_path, orig_path_info);
+        request_.setQueryString(orig_query);
+
+        if (orig_parameters != null) {
+            request_.setParameters(orig_parameters);
+        }
+
+        if (keep_attrs) {
+            return;
+        }
+
+        request_.setAttribute_(RequestDispatcher.FORWARD_SERVLET_PATH, null);
+        request_.setAttribute_(RequestDispatcher.FORWARD_PATH_INFO, null);
+        request_.setAttribute_(RequestDispatcher.FORWARD_REQUEST_URI, null);
+        request_.setAttribute_(RequestDispatcher.FORWARD_CONTEXT_PATH, null);
+        request_.setAttribute_(RequestDispatcher.FORWARD_QUERY_STRING, null);
+    }
+}

src/java/nginx/unit/HeaderNamesEnumeration.java

@@ -0,0 +1,42 @@
+package nginx.unit;
+
+import java.lang.String;
+import java.util.Enumeration;
+import java.util.NoSuchElementException;
+
+public class HeaderNamesEnumeration implements Enumeration<String> {
+
+    private long headers_ptr;
+    private long size;
+    private long pos = 0;
+
+    public HeaderNamesEnumeration(long _headers_ptr, long _size) {
+        headers_ptr = _headers_ptr;
+        size = _size;
+    }
+
+    @Override
+    public boolean hasMoreElements()
+    {
+        if (pos >= size) {
+            return false;
+        }
+
+        pos = nextElementPos(headers_ptr, size, pos);
+        return pos < size;
+    }
+
+    static private native long nextElementPos(long headers_ptr, long size, long pos);
+
+    @Override
+    public String nextElement()
+    {
+        if (pos >= size) {
+            throw new NoSuchElementException();
+        }
+
+        return nextElement(headers_ptr, size, pos++);
+    }
+
+    static private native String nextElement(long headers_ptr, long size, long pos);
+}

src/java/nginx/unit/HeadersEnumeration.java

@@ -0,0 +1,40 @@
+package nginx.unit;
+
+import java.lang.String;
+import java.util.Enumeration;
+
+public class HeadersEnumeration implements Enumeration<String> {
+
+    private long headers_ptr;
+    private long size;
+    private long initial_pos;
+    private long pos;
+
+    public HeadersEnumeration(long _headers_ptr, long _size, long _initial_pos) {
+        headers_ptr = _headers_ptr;
+        size = _size;
+        initial_pos = _initial_pos;
+        pos = _initial_pos;
+    }
+
+    @Override
+    public boolean hasMoreElements()
+    {
+        if (pos >= size) {
+            return false;
+        }
+
+        pos = nextElementPos(headers_ptr, size, initial_pos, pos);
+        return pos < size;
+    }
+
+    static private native long nextElementPos(long headers_ptr, long size, long initial_pos, long pos);
+
+    @Override
+    public String nextElement()
+    {
+        return nextElement(headers_ptr, size, initial_pos, pos++);
+    }
+
+    static private native String nextElement(long headers_ptr, long size, long initial_pos, long pos);
+}

src/java/nginx/unit/IncludeRequestWrapper.java

@@ -0,0 +1,88 @@
+package nginx.unit;
+
+import javax.servlet.DispatcherType;
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletRequest;
+
+public class IncludeRequestWrapper implements DynamicPathRequest
+{
+    private final Request request_;
+
+    private final Object orig_servlet_path_attr;
+    private final Object orig_path_info_attr;
+    private final Object orig_uri_attr;
+    private final Object orig_context_path_attr;
+    private final Object orig_query_string_attr;
+
+    private final DispatcherType orig_dtype;
+
+    private String filter_path_;
+
+    public IncludeRequestWrapper(ServletRequest request)
+    {
+        if (request instanceof Request) {
+            request_ = (Request) request;
+        } else {
+            request_ = (Request) request.getAttribute(Request.BARE);
+        }
+
+        orig_servlet_path_attr = request_.getAttribute(RequestDispatcher.INCLUDE_SERVLET_PATH);
+        orig_path_info_attr = request_.getAttribute(RequestDispatcher.INCLUDE_PATH_INFO);
+        orig_uri_attr = request_.getAttribute(RequestDispatcher.INCLUDE_REQUEST_URI);
+        orig_context_path_attr = request_.getAttribute(RequestDispatcher.INCLUDE_CONTEXT_PATH);
+        orig_query_string_attr = request_.getAttribute(RequestDispatcher.INCLUDE_QUERY_STRING);
+
+        orig_dtype = request_.getDispatcherType();
+
+        request_.setAttribute_(RequestDispatcher.INCLUDE_CONTEXT_PATH, request_.getContextPath());
+    }
+
+    @Override
+    public void setDispatcherType(DispatcherType type)
+    {
+        request_.setDispatcherType(type);
+    }
+
+    @Override
+    public void setServletPath(String servlet_path, String path_info)
+    {
+        setServletPath(servlet_path, servlet_path, path_info);
+    }
+
+    @Override
+    public void setServletPath(String filter_path, String servlet_path, String path_info)
+    {
+        request_.setAttribute_(RequestDispatcher.INCLUDE_SERVLET_PATH, servlet_path);
+        request_.setAttribute_(RequestDispatcher.INCLUDE_PATH_INFO, path_info);
+        filter_path_ = filter_path;
+    }
+
+    @Override
+    public void setRequestURI(String uri)
+    {
+        request_.setAttribute_(RequestDispatcher.INCLUDE_REQUEST_URI, uri);
+    }
+
+    @Override
+    public void setQueryString(String query)
+    {
+        request_.setAttribute_(RequestDispatcher.INCLUDE_QUERY_STRING, query);
+    }
+
+    @Override
+    public String getFilterPath()
+    {
+        return filter_path_;
+    }
+
+    public void close()
+    {
+        request_.setDispatcherType(orig_dtype);
+
+        request_.setAttribute_(RequestDispatcher.INCLUDE_SERVLET_PATH, orig_servlet_path_attr);
+        request_.setAttribute_(RequestDispatcher.INCLUDE_PATH_INFO, orig_path_info_attr);
+        request_.setAttribute_(RequestDispatcher.INCLUDE_REQUEST_URI, orig_uri_attr);
+        request_.setAttribute_(RequestDispatcher.INCLUDE_CONTEXT_PATH, orig_context_path_attr);
+        request_.setAttribute_(RequestDispatcher.INCLUDE_QUERY_STRING, orig_query_string_attr);
+    }
+}

src/java/nginx/unit/IncludeResponseWrapper.java

@@ -0,0 +1,117 @@
+package nginx.unit;
+
+import java.io.IOException;
+
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+
+import javax.servlet.ServletResponse;
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpServletResponseWrapper;
+
+public class IncludeResponseWrapper extends HttpServletResponseWrapper {
+    private static final Charset UTF_8 = StandardCharsets.UTF_8;
+
+    public IncludeResponseWrapper(ServletResponse response)
+    {
+        super((HttpServletResponse) response);
+    }
+
+    @Override
+    public void addCookie(Cookie cookie)
+    {
+        trace("addCookie: " + cookie.getName() + "=" + cookie.getValue());
+    }
+
+    @Override
+    public void addDateHeader(String name, long date)
+    {
+        trace("addDateHeader: " + name + ": " + date);
+    }
+
+    @Override
+    public void addHeader(String name, String value)
+    {
+        trace("addHeader: " + name + ": " + value);
+    }
+
+    @Override
+    public void addIntHeader(String name, int value)
+    {
+        trace("addIntHeader: " + name + ": " + value);
+    }
+
+    @Override
+    public void sendRedirect(String location) throws IOException
+    {
+        trace("sendRedirect: " + location);
+    }
+
+    @Override
+    public void setDateHeader(String name, long date)
+    {
+        trace("setDateHeader: " + name + ": " + date);
+    }
+
+    @Override
+    public void setHeader(String name, String value)
+    {
+        trace("setHeader: " + name + ": " + value);
+    }
+
+    @Override
+    public void setIntHeader(String name, int value)
+    {
+        trace("setIntHeader: " + name + ": " + value);
+    }
+
+    @Override
+    public void setStatus(int sc)
+    {
+        trace("setStatus: " + sc);
+    }
+
+    @Override
+    @Deprecated
+    public void setStatus(int sc, String sm)
+    {
+        trace("setStatus: " + sc + "; " + sm);
+    }
+
+    @Override
+    public void reset()
+    {
+        trace("reset");
+    }
+
+    @Override
+    public void setCharacterEncoding(String charset)
+    {
+        trace("setCharacterEncoding " + charset);
+    }
+
+    @Override
+    public void setContentLength(int len)
+    {
+        trace("setContentLength: " + len);
+    }
+
+    @Override
+    public void setContentLengthLong(long len)
+    {
+        trace("setContentLengthLong: " + len);
+    }
+
+    @Override
+    public void setContentType(String type)
+    {
+        trace("setContentType: " + type);
+    }
+
+    private void trace(String msg)
+    {
+        msg = "IncludeResponse." + msg;
+        Response.trace(0, msg.getBytes(UTF_8));
+    }
+}

src/java/nginx/unit/InitParams.java

@@ -0,0 +1,7 @@
+package nginx.unit;
+
+public interface InitParams {
+    public boolean setInitParameter(String name, String value);
+
+    public String getInitParameter(String name);
+}

src/java/nginx/unit/InputStream.java

@@ -0,0 +1,90 @@
+package nginx.unit;
+
+import java.io.IOException;
+
+import javax.servlet.ReadListener;
+import javax.servlet.ServletInputStream;
+
+public class InputStream extends ServletInputStream {
+
+    private long req_info_ptr;
+
+    public InputStream(long ptr)
+    {
+        req_info_ptr = ptr;
+    }
+
+    @Override
+    public int readLine(byte[] b, int off, int len) throws IOException {
+
+        if (len <= 0) {
+            return 0;
+        }
+        return readLine(req_info_ptr, b, off, len);
+    }
+
+    private static native int readLine(long req_info_ptr, byte[] b, int off, int len);
+
+
+    @Override
+    public boolean isFinished()
+    {
+        return isFinished(req_info_ptr);
+    }
+
+    private static native boolean isFinished(long req_info_ptr);
+
+
+    @Override
+    public boolean isReady()
+    {
+        return true;
+    }
+
+
+    @Override
+    public void setReadListener(ReadListener listener)
+    {
+    }
+
+
+    @Override
+    public int read() throws IOException
+    {
+        return read(req_info_ptr);
+    }
+
+    private static native int read(long req_info_ptr);
+
+
+    @Override
+    public int read(byte b[], int off, int len) throws IOException {
+        if (b == null) {
+            throw new NullPointerException();
+        } else if (off < 0 || len < 0 || len > b.length - off) {
+            throw new IndexOutOfBoundsException();
+        } else if (len == 0) {
+            return 0;
+        }
+
+        return read(req_info_ptr, b, off, len);
+    }
+
+    private static native int read(long req_info_ptr, byte b[], int off, int len);
+
+
+    @Override
+    public long skip(long n) throws IOException {
+        return skip(req_info_ptr, n);
+    }
+
+    private static native long skip(long req_info_ptr, long n);
+
+
+    @Override
+    public int available() throws IOException {
+        return available(req_info_ptr);
+    }
+
+    private static native int available(long req_info_ptr);
+}

src/java/nginx/unit/JspPropertyGroup.java

@@ -0,0 +1,169 @@
+package nginx.unit;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import javax.servlet.descriptor.JspPropertyGroupDescriptor;
+
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+public class JspPropertyGroup implements JspPropertyGroupDescriptor
+{
+    private final List<String> url_patterns_ = new ArrayList<>();
+    private String el_ignored_ = null;
+    private String page_encoding_ = null;
+    private String scripting_invalid_ = null;
+    private String is_xml_ = null;
+    private final List<String> include_preludes_ = new ArrayList<>();
+    private final List<String> include_codas_ = new ArrayList<>();
+
+    private String deffered_syntax_allowed_as_literal_ = null;
+    private String trim_directive_whitespaces_ = null;
+    private String default_content_type_ = null;
+    private String buffer_ = null;
+    private String error_on_undeclared_namespace_ = null;
+
+    public JspPropertyGroup(NodeList nodes)
+    {
+        for (int i = 0; i < nodes.getLength(); i++) {
+            Node node = nodes.item(i);
+            String tag_name = node.getNodeName();
+
+            if (tag_name.equals("url-pattern")) {
+                url_patterns_.add(node.getTextContent().trim());
+                continue;
+            }
+
+            if (tag_name.equals("el-ignored")) {
+                el_ignored_ = node.getTextContent().trim();
+                continue;
+            }
+
+            if (tag_name.equals("page-encoding")) {
+                page_encoding_ = node.getTextContent().trim();
+                continue;
+            }
+
+            if (tag_name.equals("scripting-invalid")) {
+                scripting_invalid_ = node.getTextContent().trim();
+                continue;
+            }
+
+            if (tag_name.equals("is-xml")) {
+                is_xml_ = node.getTextContent().trim();
+                continue;
+            }
+
+            if (tag_name.equals("include-prelude")) {
+                include_preludes_.add(node.getTextContent().trim());
+                continue;
+            }
+
+            if (tag_name.equals("include-coda")) {
+                include_codas_.add(node.getTextContent().trim());
+                continue;
+            }
+
+            if (tag_name.equals("deferred-syntax-allowed-as-literal")) {
+                deffered_syntax_allowed_as_literal_ = node.getTextContent().trim();
+                continue;
+            }
+
+            if (tag_name.equals("trim-directive-whitespaces")) {
+                trim_directive_whitespaces_ = node.getTextContent().trim();
+                continue;
+            }
+
+            if (tag_name.equals("default-content-type")) {
+                default_content_type_ = node.getTextContent().trim();
+                continue;
+            }
+
+            if (tag_name.equals("buffer")) {
+                buffer_ = node.getTextContent().trim();
+                continue;
+            }
+
+            if (tag_name.equals("error-on-undeclared-namespace")) {
+                error_on_undeclared_namespace_ = node.getTextContent().trim();
+                continue;
+            }
+        }
+
+    }
+
+    @Override
+    public Collection<String> getUrlPatterns()
+    {
+        return new ArrayList<>(url_patterns_);
+    }
+
+    @Override
+    public String getElIgnored()
+    {
+        return el_ignored_;
+    }
+
+    @Override
+    public String getPageEncoding()
+    {
+        return page_encoding_;
+    }
+
+    @Override
+    public String getScriptingInvalid()
+    {
+        return scripting_invalid_;
+    }
+
+    @Override
+    public String getIsXml()
+    {
+        return is_xml_;
+    }
+
+    @Override
+    public Collection<String> getIncludePreludes()
+    {
+        return new ArrayList<>(include_preludes_);
+    }
+
+    @Override
+    public Collection<String> getIncludeCodas()
+    {
+        return new ArrayList<>(include_codas_);
+    }
+
+    @Override
+    public String getDeferredSyntaxAllowedAsLiteral()
+    {
+        return deffered_syntax_allowed_as_literal_;
+    }
+
+    @Override
+    public String getTrimDirectiveWhitespaces()
+    {
+        return trim_directive_whitespaces_;
+    }
+
+    @Override
+    public String getDefaultContentType()
+    {
+        return default_content_type_;
+    }
+
+    @Override
+    public String getBuffer()
+    {
+        return buffer_;
+    }
+
+    @Override
+    public String getErrorOnUndeclaredNamespace()
+    {
+        return error_on_undeclared_namespace_;
+    }
+}
+

src/java/nginx/unit/OutputStream.java

@@ -0,0 +1,68 @@
+package nginx.unit;
+
+import java.io.IOException;
+
+import javax.servlet.ServletOutputStream;
+import javax.servlet.WriteListener;
+
+public class OutputStream extends ServletOutputStream {
+
+    private long req_info_ptr;
+
+    public OutputStream(long ptr) {
+        req_info_ptr = ptr;
+    }
+
+    @Override
+    public void write(int b) throws IOException
+    {
+        write(req_info_ptr, b);
+    }
+
+    private static native void write(long req_info_ptr, int b);
+
+
+    @Override
+    public void write(byte b[], int off, int len) throws IOException
+    {
+        if (b == null) {
+            throw new NullPointerException();
+        } else if ((off < 0) || (off > b.length) || (len < 0) ||
+                   ((off + len) > b.length) || ((off + len) < 0)) {
+            throw new IndexOutOfBoundsException();
+        } else if (len == 0) {
+            return;
+        }
+
+        write(req_info_ptr, b, off, len);
+    }
+
+    private static native void write(long req_info_ptr, byte b[], int off, int len);
+
+    @Override
+    public void flush()
+    {
+        flush(req_info_ptr);
+    }
+
+    private static native void flush(long req_info_ptr);
+
+    @Override
+    public void close()
+    {
+        close(req_info_ptr);
+    }
+
+    private static native void close(long req_info_ptr);
+
+    @Override
+    public boolean isReady()
+    {
+        return true;
+    }
+
+    @Override
+    public void setWriteListener(WriteListener listener)
+    {
+    }
+}

src/java/nginx/unit/RequestAttrProxy.java

@@ -0,0 +1,40 @@
+package nginx.unit;
+
+import java.util.List;
+
+import javax.servlet.ServletRequestAttributeEvent;
+import javax.servlet.ServletRequestAttributeListener;
+
+public class RequestAttrProxy implements ServletRequestAttributeListener
+{
+    private final List<ServletRequestAttributeListener> listeners_;
+
+    public RequestAttrProxy(List<ServletRequestAttributeListener> listeners)
+    {
+        listeners_ = listeners;
+    }
+
+    @Override
+    public void attributeAdded(ServletRequestAttributeEvent srae)
+    {
+        for (ServletRequestAttributeListener l : listeners_) {
+            l.attributeAdded(srae);
+        }
+    }
+
+    @Override
+    public void attributeReplaced(ServletRequestAttributeEvent srae)
+    {
+        for (ServletRequestAttributeListener l : listeners_) {
+            l.attributeReplaced(srae);
+        }
+    }
+
+    @Override
+    public void attributeRemoved(ServletRequestAttributeEvent srae)
+    {
+        for (ServletRequestAttributeListener l : listeners_) {
+            l.attributeRemoved(srae);
+        }
+    }
+}

src/java/nginx/unit/Response.java

@@ -0,0 +1,817 @@
+package nginx.unit;
+
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+
+import java.lang.IllegalArgumentException;
+import java.lang.String;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+
+import java.text.SimpleDateFormat;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Date;
+import java.util.Enumeration;
+import java.util.Locale;
+import java.util.TimeZone;
+import java.util.Vector;
+
+import javax.servlet.DispatcherType;
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.Cookie;
+import javax.servlet.http.HttpServletResponse;
+
+import org.eclipse.jetty.http.MimeTypes;
+import org.eclipse.jetty.util.StringUtil;
+
+public class Response implements HttpServletResponse {
+
+    private long req_info_ptr;
+
+    private static final String defaultCharacterEncoding = "iso-8859-1";
+    private String characterEncoding = defaultCharacterEncoding;
+    private String contentType = null;
+    private String contentTypeHeader = null;
+
+    private static final Charset ISO_8859_1 = StandardCharsets.ISO_8859_1;
+    private static final Charset UTF_8 = StandardCharsets.UTF_8;
+
+    private static final String CONTENT_TYPE = "Content-Type";
+    private static final byte[] SET_COOKIE_BYTES = "Set-Cookie".getBytes(ISO_8859_1);
+    private static final byte[] EXPIRES_BYTES = "Expires".getBytes(ISO_8859_1);
+
+    /**
+     * The only date format permitted when generating HTTP headers.
+     */
+    public static final String RFC1123_DATE =
+            "EEE, dd MMM yyyy HH:mm:ss zzz";
+
+    private static final SimpleDateFormat format =
+            new SimpleDateFormat(RFC1123_DATE, Locale.US);
+
+    private static final String ZERO_DATE_STRING = dateToString(0);
+    private static final byte[] ZERO_DATE_BYTES = ZERO_DATE_STRING.getBytes(ISO_8859_1);
+
+    /**
+     * If this string is found within the comment of a cookie added with {@link #addCookie(Cookie)}, then the cookie
+     * will be set as HTTP ONLY.
+     */
+    public final static String HTTP_ONLY_COMMENT = "__HTTP_ONLY__";
+
+    private OutputStream outputStream = null;
+
+    private PrintWriter writer = null;
+
+
+    public Response(long ptr) {
+        req_info_ptr = ptr;
+    }
+
+    /**
+     * Format a set cookie value by RFC6265
+     *
+     * @param name the name
+     * @param value the value
+     * @param domain the domain
+     * @param path the path
+     * @param maxAge the maximum age
+     * @param isSecure true if secure cookie
+     * @param isHttpOnly true if for http only
+     */
+    public void addSetRFC6265Cookie(
+            final String name,
+            final String value,
+            final String domain,
+            final String path,
+            final long maxAge,
+            final boolean isSecure,
+            final boolean isHttpOnly)
+    {
+        // Check arguments
+        if (name == null || name.length() == 0) {
+            throw new IllegalArgumentException("Bad cookie name");
+        }
+
+        // Name is checked for legality by servlet spec, but can also be passed directly so check again for quoting
+        // Per RFC6265, Cookie.name follows RFC2616 Section 2.2 token rules
+        //Syntax.requireValidRFC2616Token(name, "RFC6265 Cookie name");
+        // Ensure that Per RFC6265, Cookie.value follows syntax rules
+        //Syntax.requireValidRFC6265CookieValue(value);
+
+        // Format value and params
+        StringBuilder buf = new StringBuilder();
+        buf.append(name).append('=').append(value == null ? "" : value);
+
+        // Append path
+        if (path != null && path.length() > 0) {
+            buf.append(";Path=").append(path);
+        }
+
+        // Append domain
+        if (domain != null && domain.length() > 0) {
+            buf.append(";Domain=").append(domain);
+        }
+
+        // Handle max-age and/or expires
+        if (maxAge >= 0) {
+            // Always use expires
+            // This is required as some browser (M$ this means you!) don't handle max-age even with v1 cookies
+            buf.append(";Expires=");
+            if (maxAge == 0)
+                buf.append(ZERO_DATE_STRING);
+            else
+                buf.append(dateToString(System.currentTimeMillis() + 1000L * maxAge));
+
+            buf.append(";Max-Age=");
+            buf.append(maxAge);
+        }
+
+        // add the other fields
+        if (isSecure)
+            buf.append(";Secure");
+        if (isHttpOnly)
+            buf.append(";HttpOnly");
+
+        // add the set cookie
+        addHeader(req_info_ptr, SET_COOKIE_BYTES,
+            buf.toString().getBytes(ISO_8859_1));
+
+        // Expire responses with set-cookie headers so they do not get cached.
+        setHeader(req_info_ptr, EXPIRES_BYTES, ZERO_DATE_BYTES);
+    }
+
+    @Override
+    public void addCookie(Cookie cookie)
+    {
+        trace("addCookie: " + cookie.getName() + "=" + cookie.getValue());
+
+        if (StringUtil.isBlank(cookie.getName())) {
+            throw new IllegalArgumentException("Cookie.name cannot be blank/null");
+        }
+
+        if (isCommitted()) {
+            return;
+        }
+
+        addCookie_(cookie);
+    }
+
+    private void addCookie_(Cookie cookie)
+    {
+        String comment = cookie.getComment();
+        boolean httpOnly = false;
+
+        if (comment != null && comment.contains(HTTP_ONLY_COMMENT)) {
+            httpOnly = true;
+        }
+
+        addSetRFC6265Cookie(cookie.getName(),
+            cookie.getValue(),
+            cookie.getDomain(),
+            cookie.getPath(),
+            cookie.getMaxAge(),
+            cookie.getSecure(),
+            httpOnly || cookie.isHttpOnly());
+    }
+
+    public void addSessionIdCookie(Cookie cookie)
+    {
+        trace("addSessionIdCookie: " + cookie.getName() + "=" + cookie.getValue());
+
+        if (isCommitted()) {
+            /*
+                9.3 The Include Method
+
+                ... any call to HttpServletRequest.getSession() or
+                HttpServletRequest.getSession(boolean) that would require
+                adding a Cookie response header must throw an
+                IllegalStateException if the response has been committed.
+             */
+            throw new IllegalStateException("Response already sent");
+        }
+
+        addCookie_(cookie);
+    }
+
+    @Override
+    public void addDateHeader(String name, long date)
+    {
+        trace("addDateHeader: " + name + ": " + date);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        String value = dateToString(date);
+
+        addHeader(req_info_ptr, name.getBytes(ISO_8859_1),
+            value.getBytes(ISO_8859_1));
+    }
+
+    private static String dateToString(long date)
+    {
+        Date dateValue = new Date(date);
+        format.setTimeZone(TimeZone.getTimeZone("GMT"));
+        return format.format(dateValue);
+    }
+
+
+    @Override
+    public void addHeader(String name, String value)
+    {
+        trace("addHeader: " + name + ": " + value);
+
+        if (value == null) {
+            return;
+        }
+
+        if (isCommitted()) {
+            return;
+        }
+
+        if (CONTENT_TYPE.equalsIgnoreCase(name)) {
+            setContentType(value);
+            return;
+        }
+
+        addHeader(req_info_ptr, name.getBytes(ISO_8859_1),
+            value.getBytes(ISO_8859_1));
+    }
+
+    private static native void addHeader(long req_info_ptr, byte[] name, byte[] value);
+
+
+    @Override
+    public void addIntHeader(String name, int value)
+    {
+        trace("addIntHeader: " + name + ": " + value);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        addIntHeader(req_info_ptr, name.getBytes(ISO_8859_1), value);
+    }
+
+    private static native void addIntHeader(long req_info_ptr, byte[] name, int value);
+
+
+    @Override
+    public boolean containsHeader(String name)
+    {
+        trace("containsHeader: " + name);
+
+        return containsHeader(req_info_ptr, name.getBytes(ISO_8859_1));
+    }
+
+    private static native boolean containsHeader(long req_info_ptr, byte[] name);
+
+
+    @Override
+    @Deprecated
+    public String encodeRedirectUrl(String url)
+    {
+        return encodeRedirectURL(url);
+    }
+
+    @Override
+    public String encodeRedirectURL(String url)
+    {
+        log("encodeRedirectURL: " + url);
+
+        return url;
+    }
+
+    @Override
+    @Deprecated
+    public String encodeUrl(String url)
+    {
+        return encodeURL(url);
+    }
+
+    @Override
+    public String encodeURL(String url)
+    {
+        log("encodeURL: " + url);
+
+        return url;
+    }
+
+    @Override
+    public String getHeader(String name)
+    {
+        trace("getHeader: " + name);
+
+        return getHeader(req_info_ptr, name.getBytes(ISO_8859_1));
+    }
+
+    private static native String getHeader(long req_info_ptr, byte[] name);
+
+
+    @Override
+    public Collection<String> getHeaderNames()
+    {
+        trace("getHeaderNames");
+
+        Enumeration<String> e = getHeaderNames(req_info_ptr);
+        if (e == null) {
+            return Collections.emptyList();
+        }
+
+        return Collections.list(e);
+    }
+
+    private static native Enumeration<String> getHeaderNames(long req_info_ptr);
+
+
+    @Override
+    public Collection<String> getHeaders(String name)
+    {
+        trace("getHeaders: " + name);
+
+        Enumeration<String> e = getHeaders(req_info_ptr, name.getBytes(ISO_8859_1));
+        if (e == null) {
+            return Collections.emptyList();
+        }
+
+        return Collections.list(e);
+    }
+
+    private static native Enumeration<String> getHeaders(long req_info_ptr, byte[] name);
+
+
+    @Override
+    public int getStatus()
+    {
+        trace("getStatus");
+
+        return getStatus(req_info_ptr);
+    }
+
+    private static native int getStatus(long req_info_ptr);
+
+
+    @Override
+    public void sendError(int sc) throws IOException
+    {
+        sendError(sc, null);
+    }
+
+    @Override
+    public void sendError(int sc, String msg) throws IOException
+    {
+        trace("sendError: " + sc + ", " + msg);
+
+        if (isCommitted()) {
+            throw new IllegalStateException("Response already sent");
+        }
+
+        setStatus(sc);
+
+        Request request = getRequest(req_info_ptr);
+
+        // If we are allowed to have a body, then produce the error page.
+        if (sc != SC_NO_CONTENT && sc != SC_NOT_MODIFIED &&
+            sc != SC_PARTIAL_CONTENT && sc >= SC_OK)
+        {
+            request.setAttribute_(RequestDispatcher.ERROR_STATUS_CODE, sc);
+            request.setAttribute_(RequestDispatcher.ERROR_MESSAGE, msg);
+            request.setAttribute_(RequestDispatcher.ERROR_REQUEST_URI,
+                                  request.getRequestURI());
+/*
+            request.setAttribute_(RequestDispatcher.ERROR_SERVLET_NAME,
+                                  request.getServletName());
+*/
+        }
+
+/*
+        Avoid commit and give chance for error handlers.
+
+        if (!request.isAsyncStarted()) {
+            commit();
+        }
+*/
+    }
+
+    private static native Request getRequest(long req_info_ptr);
+
+    private void commit()
+    {
+        if (writer != null) {
+            writer.close();
+
+        } else if (outputStream != null) {
+            outputStream.close();
+
+        } else {
+            commit(req_info_ptr);
+        }
+    }
+
+    private static native void commit(long req_info_ptr);
+
+
+    @Override
+    public void sendRedirect(String location) throws IOException
+    {
+        trace("sendRedirect: " + location);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        try {
+            URI uri = new URI(location);
+
+            if (!uri.isAbsolute()) {
+                URI req_uri = new URI(getRequest(req_info_ptr).getRequestURL().toString());
+                uri = req_uri.resolve(uri);
+
+                location = uri.toString();
+            }
+        } catch (URISyntaxException e) {
+            log("sendRedirect: failed to send redirect: " + e);
+            return;
+        }
+
+        sendRedirect(req_info_ptr, location.getBytes(ISO_8859_1));
+    }
+
+    private static native void sendRedirect(long req_info_ptr, byte[] location);
+
+
+    @Override
+    public void setDateHeader(String name, long date)
+    {
+        trace("setDateHeader: " + name + ": " + date);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        String value = dateToString(date);
+
+        setHeader(req_info_ptr, name.getBytes(ISO_8859_1),
+            value.getBytes(ISO_8859_1));
+    }
+
+
+    @Override
+    public void setHeader(String name, String value)
+    {
+        trace("setHeader: " + name + ": " + value);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        if (CONTENT_TYPE.equalsIgnoreCase(name)) {
+            setContentType(value);
+            return;
+        }
+
+        /*
+         * When value is null container behaviour is undefined.
+         * - Tomcat ignores setHeader call;
+         * - Jetty & Resin acts as removeHeader;
+         */
+        if (value == null) {
+            removeHeader(req_info_ptr, name.getBytes(ISO_8859_1));
+            return;
+        }
+
+        setHeader(req_info_ptr, name.getBytes(ISO_8859_1),
+            value.getBytes(ISO_8859_1));
+    }
+
+    private static native void setHeader(long req_info_ptr, byte[] name, byte[] value);
+
+    private static native void removeHeader(long req_info_ptr, byte[] name);
+
+    @Override
+    public void setIntHeader(String name, int value)
+    {
+        trace("setIntHeader: " + name + ": " + value);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        setIntHeader(req_info_ptr, name.getBytes(ISO_8859_1), value);
+    }
+
+    private static native void setIntHeader(long req_info_ptr, byte[] name, int value);
+
+
+    @Override
+    public void setStatus(int sc)
+    {
+        trace("setStatus: " + sc);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        setStatus(req_info_ptr, sc);
+    }
+
+    private static native void setStatus(long req_info_ptr, int sc);
+
+
+    @Override
+    @Deprecated
+    public void setStatus(int sc, String sm)
+    {
+        trace("setStatus: " + sc + "; " + sm);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        setStatus(req_info_ptr, sc);
+    }
+
+
+    @Override
+    public void flushBuffer() throws IOException
+    {
+        trace("flushBuffer");
+
+        if (writer != null) {
+            writer.flush();
+        }
+
+        if (outputStream != null) {
+            outputStream.flush();
+        }
+    }
+
+    @Override
+    public int getBufferSize()
+    {
+        trace("getBufferSize");
+
+        return getBufferSize(req_info_ptr);
+    }
+
+    public static native int getBufferSize(long req_info_ptr);
+
+
+    @Override
+    public String getCharacterEncoding()
+    {
+        trace("getCharacterEncoding");
+
+        return characterEncoding;
+    }
+
+    @Override
+    public String getContentType()
+    {
+        /* In JIRA decorator get content type called after commit. */
+
+        String res = contentTypeHeader;
+
+        trace("getContentType: " + res);
+
+        return res;
+    }
+
+    private static native String getContentType(long req_info_ptr);
+
+    @Override
+    public Locale getLocale()
+    {
+        log("getLocale");
+
+        return null;
+    }
+
+    @Override
+    public ServletOutputStream getOutputStream() throws IOException
+    {
+        trace("getOutputStream");
+
+        if (writer != null) {
+            throw new IllegalStateException("Writer already created");
+        }
+
+        if (outputStream == null) {
+            outputStream = new OutputStream(req_info_ptr);
+        }
+
+        return outputStream;
+    }
+
+    @Override
+    public PrintWriter getWriter() throws IOException
+    {
+        trace("getWriter ( characterEncoding = '" + characterEncoding + "' )");
+
+        if (outputStream != null) {
+            throw new IllegalStateException("OutputStream already created");
+        }
+
+        if (writer == null) {
+            ServletOutputStream stream = new OutputStream(req_info_ptr);
+
+            writer = new PrintWriter(
+                new OutputStreamWriter(stream, Charset.forName(characterEncoding)),
+                false);
+        }
+
+        return writer;
+    }
+
+    @Override
+    public boolean isCommitted()
+    {
+        trace("isCommitted");
+
+        return isCommitted(req_info_ptr);
+    }
+
+    public static native boolean isCommitted(long req_info_ptr);
+
+    @Override
+    public void reset()
+    {
+        trace("reset");
+
+        if (isCommitted()) {
+            return;
+        }
+
+        reset(req_info_ptr);
+
+        writer = null;
+        outputStream = null;
+    }
+
+    public static native void reset(long req_info_ptr);
+
+    @Override
+    public void resetBuffer()
+    {
+        trace("resetBuffer");
+
+        resetBuffer(req_info_ptr);
+
+        writer = null;
+        outputStream = null;
+    }
+
+    public static native void resetBuffer(long req_info_ptr);
+
+    @Override
+    public void setBufferSize(int size)
+    {
+        trace("setBufferSize: " + size);
+
+        setBufferSize(req_info_ptr, size);
+    }
+
+    public static native void setBufferSize(long req_info_ptr, int size);
+
+    @Override
+    public void setCharacterEncoding(String charset)
+    {
+        trace("setCharacterEncoding " + charset);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        if (charset == null) {
+            if (writer != null
+                && !characterEncoding.equalsIgnoreCase(defaultCharacterEncoding))
+            {
+                /* TODO throw */
+                return;
+            }
+
+            characterEncoding = defaultCharacterEncoding;
+        } else {
+            if (writer != null
+                && !characterEncoding.equalsIgnoreCase(charset))
+            {
+                /* TODO throw */
+                return;
+            }
+
+            characterEncoding = charset;
+        }
+
+        if (contentType != null) {
+            String type = contentType + ";charset=" + characterEncoding;
+
+            contentTypeHeader = type;
+
+            setContentType(req_info_ptr, type.getBytes(ISO_8859_1));
+        }
+    }
+
+
+    @Override
+    public void setContentLength(int len)
+    {
+        trace("setContentLength: " + len);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        setContentLength(req_info_ptr, len);
+    }
+
+    @Override
+    public void setContentLengthLong(long len)
+    {
+        trace("setContentLengthLong: " + len);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        setContentLength(req_info_ptr, len);
+    }
+
+    private static native void setContentLength(long req_info_ptr, long len);
+
+
+    @Override
+    public void setContentType(String type)
+    {
+        trace("setContentType: " + type);
+
+        if (isCommitted()) {
+            return;
+        }
+
+        if (type == null) {
+            removeContentType(req_info_ptr);
+            contentType = null;
+            contentTypeHeader = null;
+            return;
+        }
+
+        String charset = MimeTypes.getCharsetFromContentType(type);
+        String ctype = MimeTypes.getContentTypeWithoutCharset(type);
+
+        if (writer != null
+            && charset != null
+            && !characterEncoding.equalsIgnoreCase(charset))
+        {
+            /* To late to change character encoding */
+            charset = characterEncoding;
+            type = ctype + ";charset=" + characterEncoding;
+        }
+
+        if (charset == null) {
+            type = type + ";charset=" + characterEncoding;
+        } else {
+            characterEncoding = charset;
+        }
+
+        contentType = ctype;
+        contentTypeHeader = type;
+
+        setContentType(req_info_ptr, type.getBytes(ISO_8859_1));
+    }
+
+    private static native void setContentType(long req_info_ptr, byte[] type);
+
+    private static native void removeContentType(long req_info_ptr);
+
+
+    @Override
+    public void setLocale(Locale loc)
+    {
+        log("setLocale: " + loc);
+    }
+
+    private void log(String msg)
+    {
+        msg = "Response." + msg;
+        log(req_info_ptr, msg.getBytes(UTF_8));
+    }
+
+    public static native void log(long req_info_ptr, byte[] msg);
+
+
+    private void trace(String msg)
+    {
+        msg = "Response." + msg;
+        trace(req_info_ptr, msg.getBytes(UTF_8));
+    }
+
+    public static native void trace(long req_info_ptr, byte[] msg);
+}

src/java/nginx/unit/Session.java

@@ -0,0 +1,251 @@
+package nginx.unit;
+
+import java.io.Serializable;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpSession;
+import javax.servlet.http.HttpSessionAttributeListener;
+import javax.servlet.http.HttpSessionBindingEvent;
+import javax.servlet.http.HttpSessionBindingListener;
+
+import java.util.Collections;
+import java.util.Date;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author Andrey Kazankov
+ */
+public class Session implements HttpSession, Serializable
+{
+    private final Map<String, Object> attributes = new HashMap<>();
+    private final long creation_time = new Date().getTime();
+    private long last_access_time = creation_time;
+    private long access_time = creation_time;
+    private int max_inactive_interval;
+    private String id;
+    private final Context context;
+    private boolean is_new = true;
+    private final HttpSessionAttributeListener attr_listener;
+
+    public Session(Context context, String id,
+        HttpSessionAttributeListener al, int max_inactive_interval)
+    {
+        this.id = id;
+        this.context = context;
+        attr_listener = al;
+        this.max_inactive_interval = max_inactive_interval;
+    }
+
+    public void setId(String id)
+    {
+        this.id = id;
+    }
+
+    @Override
+    public long getCreationTime()
+    {
+        return creation_time;
+    }
+
+    @Override
+    public String getId()
+    {
+        return id;
+    }
+
+    @Override
+    public long getLastAccessedTime()
+    {
+        return last_access_time;
+    }
+
+    @Override
+    public ServletContext getServletContext()
+    {
+        return context;
+    }
+
+    @Override
+    public void setMaxInactiveInterval(int i)
+    {
+        max_inactive_interval = i;
+    }
+
+    @Override
+    public int getMaxInactiveInterval()
+    {
+        return max_inactive_interval;
+    }
+
+    @Deprecated
+    @Override
+    public javax.servlet.http.HttpSessionContext getSessionContext()
+    {
+        return null;
+    }
+
+    @Override
+    public Object getAttribute(String s)
+    {
+        synchronized (attributes) {
+            return attributes.get(s);
+        }
+    }
+
+    @Deprecated
+    @Override
+    public Object getValue(String s)
+    {
+        return getAttribute(s);
+    }
+
+    @Override
+    public Enumeration<String> getAttributeNames()
+    {
+        synchronized (attributes) {
+            return Collections.enumeration(attributes.keySet());
+        }
+    }
+
+    @Deprecated
+    @Override
+    public String[] getValueNames()
+    {
+        synchronized (attributes) {
+            return attributes.keySet().toArray(new String[attributes.keySet().size()]);
+        }
+    }
+
+    @Override
+    public void setAttribute(String s, Object o)
+    {
+        Object old;
+
+        if (o != null && o instanceof HttpSessionBindingListener) {
+            HttpSessionBindingListener l = (HttpSessionBindingListener) o;
+            HttpSessionBindingEvent e = new HttpSessionBindingEvent(this, s);
+
+            l.valueBound(e);
+        }
+
+        synchronized (attributes) {
+            if (o != null) {
+                old = attributes.put(s, o);
+            } else {
+                old = attributes.remove(s);
+            }
+        }
+
+        if (old != null && old instanceof HttpSessionBindingListener) {
+            HttpSessionBindingListener l = (HttpSessionBindingListener) old;
+            HttpSessionBindingEvent e = new HttpSessionBindingEvent(this, s);
+
+            l.valueUnbound(e);
+        }
+
+        if (attr_listener == null) {
+            return;
+        }
+
+        if (o == null) {
+            if (old != null) {
+                HttpSessionBindingEvent e = new HttpSessionBindingEvent(this, s, old);
+                attr_listener.attributeRemoved(e);
+            }
+
+            return;
+        }
+
+        if (old != null) {
+            HttpSessionBindingEvent e = new HttpSessionBindingEvent(this, s, old);
+            attr_listener.attributeReplaced(e);
+        } else {
+            HttpSessionBindingEvent e = new HttpSessionBindingEvent(this, s, o);
+            attr_listener.attributeAdded(e);
+        }
+    }
+
+    @Deprecated
+    @Override
+    public void putValue(String s, Object o)
+    {
+        setAttribute(s,o);
+    }
+
+    @Override
+    public void removeAttribute(String s)
+    {
+        Object o;
+
+        synchronized (attributes) {
+            o = attributes.remove(s);
+        }
+
+        if (o != null && o instanceof HttpSessionBindingListener) {
+            HttpSessionBindingListener l = (HttpSessionBindingListener) o;
+            HttpSessionBindingEvent e = new HttpSessionBindingEvent(this, s);
+
+            l.valueUnbound(e);
+        }
+
+        if (attr_listener == null || o == null) {
+            return;
+        }
+
+        HttpSessionBindingEvent e = new HttpSessionBindingEvent(this, s, o);
+        attr_listener.attributeRemoved(e);
+    }
+
+    @Deprecated
+    @Override
+    public void removeValue(String s)
+    {
+        removeAttribute(s);
+    }
+
+    @Override
+    public void invalidate()
+    {
+        context.invalidateSession(this);
+
+        unboundAttributes();
+    }
+
+    private void unboundAttributes()
+    {
+        for (Map.Entry<String, Object> a : attributes.entrySet()) {
+            Object o = a.getValue();
+            if (o != null && o instanceof HttpSessionBindingListener) {
+                HttpSessionBindingListener l = (HttpSessionBindingListener) o;
+                HttpSessionBindingEvent e = new HttpSessionBindingEvent(this, a.getKey());
+
+                l.valueUnbound(e);
+            }
+        }
+
+        attributes.clear();
+    }
+
+    @Override
+    public boolean isNew()
+    {
+        return is_new;
+    }
+
+    public void accessed() {
+        synchronized (this) {
+            is_new = false;
+
+            last_access_time = access_time;
+            access_time = new Date().getTime();
+        }
+    }
+
+    public boolean checkTimeOut()
+    {
+        return (max_inactive_interval > 0) &&
+                (access_time - last_access_time > max_inactive_interval * 1000);
+    }
+}

src/java/nginx/unit/SessionAttrProxy.java

@@ -0,0 +1,40 @@
+package nginx.unit;
+
+import java.util.List;
+
+import javax.servlet.http.HttpSessionAttributeListener;
+import javax.servlet.http.HttpSessionBindingEvent;
+
+public class SessionAttrProxy implements HttpSessionAttributeListener
+{
+    private final List<HttpSessionAttributeListener> listeners_;
+
+    public SessionAttrProxy(List<HttpSessionAttributeListener> listeners)
+    {
+        listeners_ = listeners;
+    }
+
+    @Override
+    public void attributeAdded(HttpSessionBindingEvent event)
+    {
+        for (HttpSessionAttributeListener l : listeners_) {
+            l.attributeAdded(event);
+        }
+    }
+
+    @Override
+    public void attributeRemoved(HttpSessionBindingEvent event)
+    {
+        for (HttpSessionAttributeListener l : listeners_) {
+            l.attributeRemoved(event);
+        }
+    }
+
+    @Override
+    public void attributeReplaced(HttpSessionBindingEvent event)
+    {
+        for (HttpSessionAttributeListener l : listeners_) {
+            l.attributeReplaced(event);
+        }
+    }
+}

src/java/nginx/unit/Taglib.java

@@ -0,0 +1,44 @@
+package nginx.unit;
+
+import javax.servlet.descriptor.TaglibDescriptor;
+
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+public class Taglib implements TaglibDescriptor
+{
+    private String uri_ = null;
+    private String location_ = null;
+
+    public Taglib(NodeList nodes)
+    {
+        for (int i = 0; i < nodes.getLength(); i++) {
+            Node node = nodes.item(i);
+            String tag_name = node.getNodeName();
+
+            if (tag_name.equals("taglib-uri")) {
+                uri_ = node.getTextContent().trim();
+                continue;
+            }
+
+            if (tag_name.equals("taglib-location")) {
+                location_ = node.getTextContent().trim();
+                continue;
+            }
+        }
+
+    }
+
+    @Override
+    public String getTaglibURI()
+    {
+        return uri_;
+    }
+
+    @Override
+    public String getTaglibLocation()
+    {
+        return location_;
+    }
+}
+

src/java/nginx/unit/UnitSessionCookieConfig.java

@@ -0,0 +1,110 @@
+package nginx.unit;
+
+import javax.servlet.SessionCookieConfig;
+
+/*
+
+    <session-config>
+        <session-timeout>60</session-timeout>
+        <cookie-config></cookie-config>
+        <tracking-mode></tracking-mode>
+    </session-config>
+
+
+ */
+public class UnitSessionCookieConfig implements SessionCookieConfig {
+
+    private static final String default_name = "JSESSIONID";
+
+    private String name = default_name;
+    private String domain;
+    private String path;
+    private String comment;
+    private boolean httpOnly = true;
+    private boolean secure = false;
+    private int maxAge = -1;
+
+    @Override
+    public void setName(String name)
+    {
+        this.name = name;
+    }
+
+    @Override
+    public String getName()
+    {
+        return name;
+    }
+
+    @Override
+    public void setDomain(String domain)
+    {
+        this.domain = domain;
+    }
+
+    @Override
+    public String getDomain()
+    {
+        return domain;
+    }
+
+    @Override
+    public void setPath(String path)
+    {
+        this.path = path;
+    }
+
+    @Override
+    public String getPath()
+    {
+        return path;
+    }
+
+    @Override
+    public void setComment(String comment)
+    {
+        this.comment = comment;
+    }
+
+    @Override
+    public String getComment()
+    {
+        return comment;
+    }
+
+    @Override
+    public void setHttpOnly(boolean httpOnly)
+    {
+        this.httpOnly = httpOnly;
+    }
+
+    @Override
+    public boolean isHttpOnly()
+    {
+        return httpOnly;
+    }
+
+    @Override
+    public void setSecure(boolean secure)
+    {
+        this.secure = secure;
+    }
+
+    @Override
+    public boolean isSecure()
+    {
+        return secure;
+    }
+
+    @Override
+    public void setMaxAge(int maxAge)
+    {
+        this.maxAge = maxAge;
+    }
+
+    @Override
+    public int getMaxAge()
+    {
+        return maxAge;
+    }
+}