Examples with ServletRequestAttributeEvent javax.servlet.ServletRequestAttributeEvent used on opensource projects

Example 1 with ServletRequestAttributeEvent

use of javax.servlet.ServletRequestAttributeEvent in project jetty.project by eclipse.

the class Request method setAttribute.

/* ------------------------------------------------------------ */
/*
     * Set a request attribute. if the attribute name is "org.eclipse.jetty.server.server.Request.queryEncoding" then the value is also passed in a call to
     * {@link #setQueryEncoding}.
     *
     * @see javax.servlet.ServletRequest#setAttribute(java.lang.String, java.lang.Object)
     */
@Override
public void setAttribute(String name, Object value) {
    Object old_value = _attributes == null ? null : _attributes.getAttribute(name);
    if ("org.eclipse.jetty.server.Request.queryEncoding".equals(name))
        setQueryEncoding(value == null ? null : value.toString());
    else if ("org.eclipse.jetty.server.sendContent".equals(name))
        LOG.warn("Deprecated: org.eclipse.jetty.server.sendContent");
    if (_attributes == null)
        _attributes = new AttributesMap();
    _attributes.setAttribute(name, value);
    if (!_requestAttributeListeners.isEmpty()) {
        final ServletRequestAttributeEvent event = new ServletRequestAttributeEvent(_context, this, name, old_value == null ? value : old_value);
        for (ServletRequestAttributeListener l : _requestAttributeListeners) {
            if (old_value == null)
                l.attributeAdded(event);
            else if (value == null)
                l.attributeRemoved(event);
            else
                l.attributeReplaced(event);
        }
    }
}

Example 2 with ServletRequestAttributeEvent

use of javax.servlet.ServletRequestAttributeEvent in project felix by apache.

the class ServletRequestWrapper method setAttribute.

@Override
public void setAttribute(final String name, final Object value) {
    if (value == null) {
        this.removeAttribute(name);
    }
    final Object oldValue = this.getAttribute(name);
    super.setAttribute(name, value);
    if (this.servletContext.getServletRequestAttributeListener() != null) {
        if (oldValue == null) {
            this.servletContext.getServletRequestAttributeListener().attributeAdded(new ServletRequestAttributeEvent(this.servletContext, this, name, value));
        } else {
            this.servletContext.getServletRequestAttributeListener().attributeReplaced(new ServletRequestAttributeEvent(this.servletContext, this, name, oldValue));
        }
    }
}

Example 3 with ServletRequestAttributeEvent

use of javax.servlet.ServletRequestAttributeEvent in project Payara by payara.

the class Request method removeAttribute.

/**
 * Remove the specified request attribute if it exists.
 *
 * @param name Name of the request attribute to remove
 */
@Override
public void removeAttribute(String name) {
    Object value = null;
    boolean found = attributes.containsKey(name);
    if (found) {
        value = attributes.get(name);
        attributes.remove(name);
    } else {
        return;
    }
    // Notify interested application event listeners
    List<EventListener> listeners = context.getApplicationEventListeners();
    if (listeners.isEmpty()) {
        return;
    }
    ServletRequestAttributeEvent event = new ServletRequestAttributeEvent(servletContext, getRequest(), name, value);
    Iterator<EventListener> iter = listeners.iterator();
    while (iter.hasNext()) {
        EventListener eventListener = iter.next();
        if (!(eventListener instanceof ServletRequestAttributeListener)) {
            continue;
        }
        ServletRequestAttributeListener listener = (ServletRequestAttributeListener) eventListener;
        try {
            listener.attributeRemoved(event);
        } catch (Throwable t) {
            log(rb.getString(LogFacade.ATTRIBUTE_EVENT_LISTENER_EXCEPTION), t);
            // Error valve will pick this exception up and display it to user
            attributes.put(RequestDispatcher.ERROR_EXCEPTION, t);
        }
    }
}

Example 4 with ServletRequestAttributeEvent

use of javax.servlet.ServletRequestAttributeEvent in project Payara by payara.

the class Request method setAttribute.

/**
 * Set the specified request attribute to the specified value.
 *
 * @param name Name of the request attribute to set
 * @param value The associated value
 */
@Override
public void setAttribute(String name, Object value) {
    // Name cannot be null
    if (name == null) {
        throw new IllegalArgumentException(rb.getString(LogFacade.NULL_ATTRIBUTE_NAME_EXCEPTION));
    }
    // Null value is the same as removeAttribute()
    if (value == null) {
        removeAttribute(name);
        return;
    }
    if (name.equals(Globals.DISPATCHER_TYPE_ATTR)) {
        dispatcherTypeAttr = value;
        return;
    } else if (name.equals(Globals.DISPATCHER_REQUEST_PATH_ATTR)) {
        requestDispatcherPath = value;
        return;
    }
    boolean replaced = false;
    // Do the security check before any updates are made
    if (Globals.IS_SECURITY_ENABLED && name.equals("org.apache.tomcat.sendfile.filename")) {
        // Use the canonical file name to avoid any possible symlink and
        // relative path issues
        String canonicalPath;
        try {
            canonicalPath = new File(value.toString()).getCanonicalPath();
        } catch (IOException e) {
            String msg = MessageFormat.format(rb.getString(LogFacade.UNABLE_DETERMINE_CANONICAL_NAME), value);
            throw new SecurityException(msg, e);
        }
        // Sendfile is performed in Tomcat's security context so need to
        // check if the web app is permitted to access the file while still
        // in the web app's security context
        System.getSecurityManager().checkRead(canonicalPath);
        // Update the value so the canonical path is used
        value = canonicalPath;
    }
    Object oldValue = attributes.put(name, value);
    if (oldValue != null) {
        replaced = true;
    }
    // Pass special attributes to the ngrizzly layer
    if (name.startsWith("grizzly.")) {
        coyoteRequest.setAttribute(name, value);
    }
    // END SJSAS 6231069
    // Notify interested application event listeners
    List<EventListener> listeners = context.getApplicationEventListeners();
    if (listeners.isEmpty()) {
        return;
    }
    ServletRequestAttributeEvent event = null;
    if (replaced) {
        event = new ServletRequestAttributeEvent(servletContext, getRequest(), name, oldValue);
    } else {
        event = new ServletRequestAttributeEvent(servletContext, getRequest(), name, value);
    }
    Iterator<EventListener> iter = listeners.iterator();
    while (iter.hasNext()) {
        EventListener eventListener = iter.next();
        if (!(eventListener instanceof ServletRequestAttributeListener)) {
            continue;
        }
        ServletRequestAttributeListener listener = (ServletRequestAttributeListener) eventListener;
        try {
            if (replaced) {
                listener.attributeReplaced(event);
            } else {
                listener.attributeAdded(event);
            }
        } catch (Throwable t) {
            log(rb.getString(LogFacade.ATTRIBUTE_EVENT_LISTENER_EXCEPTION), t);
            // Error valve will pick this exception up and display it to user
            attributes.put(RequestDispatcher.ERROR_EXCEPTION, t);
        }
    }
}

Example 5 with ServletRequestAttributeEvent

use of javax.servlet.ServletRequestAttributeEvent in project tomcat70 by apache.

the class Request method notifyAttributeAssigned.

/**
 * Notify interested listeners that attribute has been assigned a value.
 */
private void notifyAttributeAssigned(String name, Object value, Object oldValue) {
    Object[] listeners = context.getApplicationEventListeners();
    if ((listeners == null) || (listeners.length == 0)) {
        return;
    }
    boolean replaced = (oldValue != null);
    ServletRequestAttributeEvent event = null;
    if (replaced) {
        event = new ServletRequestAttributeEvent(context.getServletContext(), getRequest(), name, oldValue);
    } else {
        event = new ServletRequestAttributeEvent(context.getServletContext(), getRequest(), name, value);
    }
    for (int i = 0; i < listeners.length; i++) {
        if (!(listeners[i] instanceof ServletRequestAttributeListener)) {
            continue;
        }
        ServletRequestAttributeListener listener = (ServletRequestAttributeListener) listeners[i];
        try {
            if (replaced) {
                listener.attributeReplaced(event);
            } else {
                listener.attributeAdded(event);
            }
        } catch (Throwable t) {
            ExceptionUtils.handleThrowable(t);
            context.getLogger().error(sm.getString("coyoteRequest.attributeEvent"), t);
            // Error valve will pick this exception up and display it to user
            attributes.put(RequestDispatcher.ERROR_EXCEPTION, t);
        }
    }
}