Java Code Examples for javax.servlet.Servlet#getServletConfig()

The following examples show how to use javax.servlet.Servlet#getServletConfig() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ServletVersionInstrumentation.java    From apm-agent-java with Apache License 2.0 5 votes vote down vote up 
@Advice.OnMethodEnter(suppress = Throwable.class)
@SuppressWarnings("Duplicates") // duplication is fine here as it allows to inline code
private static void onEnter(@Advice.This Servlet servlet) {
    if (alreadyLogged) {
        return;
    }
    alreadyLogged = true;

    ServletConfig servletConfig = servlet.getServletConfig();

    int majorVersion = -1;
    int minorVersion = -1;
    String serverInfo = null;
    if (servletConfig != null) {
        ServletContext servletContext = servletConfig.getServletContext();
        if (null != servletContext) {
            majorVersion = servletContext.getMajorVersion();
            minorVersion = servletContext.getMinorVersion();
            serverInfo = servletContext.getServerInfo();
        }
    }

    logger.info("Servlet container info = {}", serverInfo);
    if (majorVersion < 3) {
        logger.warn("Unsupported servlet version detected: {}.{}, no Servlet transaction will be created", majorVersion, minorVersion);
    }
}
Example 2
Source File: ServletRegistration.java    From knopflerfish.org with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up 
public void destroy()
{
  final Servlet servlet = dispatcher.getServlet();
  final ServletConfig cfg = servlet.getServletConfig();
  final ServletContext context = cfg != null ? cfg.getServletContext() : null;
  servlet.destroy();
  if (context != null) {
    contextManager.ungetServletContext(context);
  }
  registrations.removeServlet(servlet);
}
Example 3
Source File: PageContextImpl.java    From packagedrone with Eclipse Public License 1.0 5 votes vote down vote up 
private void _initialize(Servlet servlet,
		     ServletRequest request,
		     ServletResponse response,
		     String errorPageURL,
		     boolean needsSession,
		     int bufferSize,
		     boolean autoFlush) throws IOException {

// initialize state
this.servlet = servlet;
this.config = servlet.getServletConfig();
this.context = config.getServletContext();
this.needsSession = needsSession;
this.errorPageURL = errorPageURL;
this.bufferSize = bufferSize;
this.request = request;
	this.response = response;

// Setup session (if required)
if (request instanceof HttpServletRequest && needsSession)
    this.session = ((HttpServletRequest)request).getSession();
if (needsSession && session == null)
    throw new IllegalStateException
               ("Page needs a session and none is available");

       // initialize the initial out ...
       depth = -1;
       if (this.baseOut == null) {
           this.baseOut = new JspWriterImpl(response, bufferSize, autoFlush);
       } else {
           this.baseOut.init(response, bufferSize, autoFlush);
       }
       this.out = baseOut;

       this.isNametableInitialized = false;
       setAttribute(Constants.FIRST_REQUEST_SEEN, "true", APPLICATION_SCOPE);

   }
Example 4
Source File: PageContextImpl.java    From Tomcat8-Source-Read with MIT License 4 votes vote down vote up 
@Override
public void initialize(Servlet servlet, ServletRequest request,
        ServletResponse response, String errorPageURL,
        boolean needsSession, int bufferSize, boolean autoFlush)
        throws IOException {

    // initialize state
    this.servlet = servlet;
    this.config = servlet.getServletConfig();
    this.context = config.getServletContext();
    this.errorPageURL = errorPageURL;
    this.request = request;
    this.response = response;

    // initialize application context
    this.applicationContext = JspApplicationContextImpl.getInstance(context);

    // Setup session (if required)
    if (request instanceof HttpServletRequest && needsSession)
        this.session = ((HttpServletRequest) request).getSession();
    if (needsSession && session == null)
        throw new IllegalStateException(
                "Page needs a session and none is available");

    // initialize the initial out ...
    depth = -1;
    if (bufferSize == JspWriter.DEFAULT_BUFFER) {
        bufferSize = Constants.DEFAULT_BUFFER_SIZE;
    }
    if (this.baseOut == null) {
        this.baseOut = new JspWriterImpl(response, bufferSize, autoFlush);
    } else {
        this.baseOut.init(response, bufferSize, autoFlush);
    }
    this.out = baseOut;

    // register names/values as per spec
    setAttribute(OUT, this.out);
    setAttribute(REQUEST, request);
    setAttribute(RESPONSE, response);

    if (session != null)
        setAttribute(SESSION, session);

    setAttribute(PAGE, servlet);
    setAttribute(CONFIG, config);
    setAttribute(PAGECONTEXT, this);
    setAttribute(APPLICATION, context);

    isIncluded = request.getAttribute(
            RequestDispatcher.INCLUDE_SERVLET_PATH) != null;
}
Example 5
Source File: PageContextImpl.java    From Tomcat7.0.67 with Apache License 2.0 4 votes vote down vote up 
private void _initialize(Servlet servlet, ServletRequest request,
        ServletResponse response, String errorPageURL,
        boolean needsSession, int bufferSize, boolean autoFlush) {

    // initialize state
    this.servlet = servlet;
    this.config = servlet.getServletConfig();
    this.context = config.getServletContext();
    this.errorPageURL = errorPageURL;
    this.request = request;
    this.response = response;
    
    // initialize application context
    this.applicationContext = JspApplicationContextImpl.getInstance(context);

    // Setup session (if required)
    if (request instanceof HttpServletRequest && needsSession)
        this.session = ((HttpServletRequest) request).getSession();
    if (needsSession && session == null)
        throw new IllegalStateException(
                "Page needs a session and none is available");

    // initialize the initial out ...
    depth = -1;
    if (bufferSize == JspWriter.DEFAULT_BUFFER) {
        bufferSize = Constants.DEFAULT_BUFFER_SIZE;
    }
    if (this.baseOut == null) {
        this.baseOut = new JspWriterImpl(response, bufferSize, autoFlush);
    } else {
        this.baseOut.init(response, bufferSize, autoFlush);
    }
    this.out = baseOut;

    // register names/values as per spec
    setAttribute(OUT, this.out);
    setAttribute(REQUEST, request);
    setAttribute(RESPONSE, response);

    if (session != null)
        setAttribute(SESSION, session);

    setAttribute(PAGE, servlet);
    setAttribute(CONFIG, config);
    setAttribute(PAGECONTEXT, this);
    setAttribute(APPLICATION, context);

    isIncluded = request.getAttribute(
            RequestDispatcher.INCLUDE_SERVLET_PATH) != null;
}
Example 6
Source File: PageContextImpl.java    From tomcatsrc with Apache License 2.0 4 votes vote down vote up 
private void _initialize(Servlet servlet, ServletRequest request,
        ServletResponse response, String errorPageURL,
        boolean needsSession, int bufferSize, boolean autoFlush) {

    // initialize state
    this.servlet = servlet;
    this.config = servlet.getServletConfig();
    this.context = config.getServletContext();
    this.errorPageURL = errorPageURL;
    this.request = request;
    this.response = response;
    
    // initialize application context
    this.applicationContext = JspApplicationContextImpl.getInstance(context);

    // Setup session (if required)
    if (request instanceof HttpServletRequest && needsSession)
        this.session = ((HttpServletRequest) request).getSession();
    if (needsSession && session == null)
        throw new IllegalStateException(
                "Page needs a session and none is available");

    // initialize the initial out ...
    depth = -1;
    if (bufferSize == JspWriter.DEFAULT_BUFFER) {
        bufferSize = Constants.DEFAULT_BUFFER_SIZE;
    }
    if (this.baseOut == null) {
        this.baseOut = new JspWriterImpl(response, bufferSize, autoFlush);
    } else {
        this.baseOut.init(response, bufferSize, autoFlush);
    }
    this.out = baseOut;

    // register names/values as per spec
    setAttribute(OUT, this.out);
    setAttribute(REQUEST, request);
    setAttribute(RESPONSE, response);

    if (session != null)
        setAttribute(SESSION, session);

    setAttribute(PAGE, servlet);
    setAttribute(CONFIG, config);
    setAttribute(PAGECONTEXT, this);
    setAttribute(APPLICATION, context);

    isIncluded = request.getAttribute(
            RequestDispatcher.INCLUDE_SERVLET_PATH) != null;
}
Example 7
Source File: ServletConfiguration.java    From commons-configuration with Apache License 2.0 2 votes vote down vote up 
/**
 * Create a ServletConfiguration using the initialization parameter of
 * the specified servlet.
 *
 * @param servlet the servlet
 */
public ServletConfiguration(final Servlet servlet)
{
    this(servlet.getServletConfig());
}