Package javax.servlet.http

Examples of javax.servlet.http.HttpSessionBindingEvent

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          !(value instanceof Serializable))
            throw new IllegalArgumentException
                (sm.getString("standardSession.setAttribute.iae"));

        // Construct an event with the new value
        HttpSessionBindingEvent event = null;

        // Call the valueBound() method if necessary
        if (value instanceof HttpSessionBindingListener) {
            event = new HttpSessionBindingEvent(this, name, value);
            try {
                ((HttpSessionBindingListener) value).valueBound(event);
            } catch (Throwable t){
                log(sm.getString("standardSession.bindingEvent"), t);
            }
        }

        // Replace or add this attribute
        Object unbound = attributes.put(name, value);

        // Call the valueUnbound() method if necessary
        if ((unbound != null) &&
            (unbound instanceof HttpSessionBindingListener)) {
            try {
                ((HttpSessionBindingListener) unbound).valueUnbound
                    (new HttpSessionBindingEvent(this, name));
            } catch (Throwable t) {
                log(sm.getString("standardSession.bindingEvent"), t);
            }
        }

        // Notify interested application event listeners
        Context context = (Context) manager.getContainer();
        Object listeners[] = context.getApplicationEventListeners();
        if (listeners == null)
            return;
        for (int i = 0; i < listeners.length; i++) {
            if (!(listeners[i] instanceof HttpSessionAttributeListener))
                continue;
            HttpSessionAttributeListener listener =
                (HttpSessionAttributeListener) listeners[i];
            try {
                if (unbound != null) {
                    fireContainerEvent(context,
                                       "beforeSessionAttributeReplaced",
                                       listener);
                    if (event == null) {
                        event = new HttpSessionBindingEvent
                            (this, name, unbound);
                    }
                    listener.attributeReplaced(event);
                    fireContainerEvent(context,
                                       "afterSessionAttributeReplaced",
                                       listener);
                } else {
                    fireContainerEvent(context,
                                       "beforeSessionAttributeAdded",
                                       listener);
                    if (event == null) {
                        event = new HttpSessionBindingEvent(this, name, value);
                    }
                    listener.attributeAdded(event);
                    fireContainerEvent(context,
                                       "afterSessionAttributeAdded",
                                       listener);
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        if (!notify || (value == null)) {
            return;
        }

        // Call the valueUnbound() method if necessary
        HttpSessionBindingEvent event = null;
        if (value instanceof HttpSessionBindingListener) {
            event = new HttpSessionBindingEvent(this, name, value);
            ((HttpSessionBindingListener) value).valueUnbound(event);
        }

        // Notify interested application event listeners
        Context context = (Context) manager.getContainer();
        Object listeners[] = context.getApplicationEventListeners();
        if (listeners == null)
            return;
        for (int i = 0; i < listeners.length; i++) {
            if (!(listeners[i] instanceof HttpSessionAttributeListener))
                continue;
            HttpSessionAttributeListener listener =
                (HttpSessionAttributeListener) listeners[i];
            try {
                fireContainerEvent(context,
                                   "beforeSessionAttributeRemoved",
                                   listener);
                if (event == null) {
                    event = new HttpSessionBindingEvent(this, name, value);
                }
                listener.attributeRemoved(event);
                fireContainerEvent(context,
                                   "afterSessionAttributeRemoved",
                                   listener);
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        if (!notify) {
            return;
        }

        // Call the valueUnbound() method if necessary
        HttpSessionBindingEvent event =
          new HttpSessionBindingEvent((HttpSession) this, name, value);
        if ((value != null) &&
            (value instanceof HttpSessionBindingListener))
            ((HttpSessionBindingListener) value).valueUnbound(event);

        // Notify interested application event listeners
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        // Call the valueUnbound() method if necessary
        if ((unbound != null) &&
            (unbound instanceof HttpSessionBindingListener)) {
            ((HttpSessionBindingListener) unbound).valueUnbound
              (new HttpSessionBindingEvent((HttpSession) this, name));
        }

        // Call the valueBound() method if necessary
        HttpSessionBindingEvent event = null;
        if (unbound != null)
            event = new HttpSessionBindingEvent
                ((HttpSession) this, name, unbound);
        else
            event = new HttpSessionBindingEvent
                ((HttpSession) this, name, value);
        if (value instanceof HttpSessionBindingListener)
            ((HttpSessionBindingListener) value).valueBound(event);

        // Notify interested application event listeners
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        if ((manager != null) && manager.getDistributable() &&
          !isAttributeDistributable(name, value))
            throw new IllegalArgumentException
                (sm.getString("standardSession.setAttribute.iae", name));
        // Construct an event with the new value
        HttpSessionBindingEvent event = null;

        // Call the valueBound() method if necessary
        if (notify && value instanceof HttpSessionBindingListener) {
            // Don't call any notification if replacing with the same value
            Object oldValue = attributes.get(name);
            if (value != oldValue) {
                event = new HttpSessionBindingEvent(getSession(), name, value);
                try {
                    ((HttpSessionBindingListener) value).valueBound(event);
                } catch (Throwable t){
                    manager.getContainer().getLogger().error
                    (sm.getString("standardSession.bindingEvent"), t);
                }
            }
        }

        // Replace or add this attribute
        Object unbound = attributes.put(name, value);

        // Call the valueUnbound() method if necessary
        if (notify && (unbound != null) && (unbound != value) &&
            (unbound instanceof HttpSessionBindingListener)) {
            try {
                ((HttpSessionBindingListener) unbound).valueUnbound
                    (new HttpSessionBindingEvent(getSession(), name));
            } catch (Throwable t) {
                ExceptionUtils.handleThrowable(t);
                manager.getContainer().getLogger().error
                    (sm.getString("standardSession.bindingEvent"), t);
            }
        }

        if ( !notify ) return;

        // Notify interested application event listeners
        Context context = (Context) manager.getContainer();
        Object listeners[] = context.getApplicationEventListeners();
        if (listeners == null)
            return;
        for (int i = 0; i < listeners.length; i++) {
            if (!(listeners[i] instanceof HttpSessionAttributeListener))
                continue;
            HttpSessionAttributeListener listener =
                (HttpSessionAttributeListener) listeners[i];
            try {
                if (unbound != null) {
                    context.fireContainerEvent("beforeSessionAttributeReplaced",
                            listener);
                    if (event == null) {
                        event = new HttpSessionBindingEvent
                            (getSession(), name, unbound);
                    }
                    listener.attributeReplaced(event);
                    context.fireContainerEvent("afterSessionAttributeReplaced",
                            listener);
                } else {
                    context.fireContainerEvent("beforeSessionAttributeAdded",
                            listener);
                    if (event == null) {
                        event = new HttpSessionBindingEvent
                            (getSession(), name, value);
                    }
                    listener.attributeAdded(event);
                    context.fireContainerEvent("afterSessionAttributeAdded",
                            listener);
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        if (!notify || (value == null)) {
            return;
        }

        // Call the valueUnbound() method if necessary
        HttpSessionBindingEvent event = null;
        if (value instanceof HttpSessionBindingListener) {
            event = new HttpSessionBindingEvent(getSession(), name, value);
            ((HttpSessionBindingListener) value).valueUnbound(event);
        }

        // Notify interested application event listeners
        Context context = (Context) manager.getContainer();
        Object listeners[] = context.getApplicationEventListeners();
        if (listeners == null)
            return;
        for (int i = 0; i < listeners.length; i++) {
            if (!(listeners[i] instanceof HttpSessionAttributeListener))
                continue;
            HttpSessionAttributeListener listener =
                (HttpSessionAttributeListener) listeners[i];
            try {
                context.fireContainerEvent("beforeSessionAttributeRemoved",
                        listener);
                if (event == null) {
                    event = new HttpSessionBindingEvent
                        (getSession(), name, value);
                }
                listener.attributeRemoved(event);
                context.fireContainerEvent("afterSessionAttributeRemoved",
                        listener);
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        if ((manager != null) && manager.getDistributable() &&
          !(value instanceof Serializable))
            throw new IllegalArgumentException
                (sm.getString("standardSession.setAttribute.iae", name));
        // Construct an event with the new value
        HttpSessionBindingEvent event = null;

        // Call the valueBound() method if necessary
        if (notify && value instanceof HttpSessionBindingListener) {
            // Don't call any notification if replacing with the same value
            Object oldValue = attributes.get(name);
            if (value != oldValue) {
                event = new HttpSessionBindingEvent(getSession(), name, value);
                try {
                    ((HttpSessionBindingListener) value).valueBound(event);
                } catch (Throwable t){
                    manager.getContainer().getLogger().error
                    (sm.getString("standardSession.bindingEvent"), t);
                }
            }
        }

        // Replace or add this attribute
        Object unbound = attributes.put(name, value);

        // Call the valueUnbound() method if necessary
        if (notify && (unbound != null) && (unbound != value) &&
            (unbound instanceof HttpSessionBindingListener)) {
            try {
                ((HttpSessionBindingListener) unbound).valueUnbound
                    (new HttpSessionBindingEvent(getSession(), name));
            } catch (Throwable t) {
                ExceptionUtils.handleThrowable(t);
                manager.getContainer().getLogger().error
                    (sm.getString("standardSession.bindingEvent"), t);
            }
        }
       
        if ( !notify ) return;
       
        // Notify interested application event listeners
        Context context = (Context) manager.getContainer();
        Object listeners[] = context.getApplicationEventListeners();
        if (listeners == null)
            return;
        for (int i = 0; i < listeners.length; i++) {
            if (!(listeners[i] instanceof HttpSessionAttributeListener))
                continue;
            HttpSessionAttributeListener listener =
                (HttpSessionAttributeListener) listeners[i];
            try {
                if (unbound != null) {
                    fireContainerEvent(context,
                                       "beforeSessionAttributeReplaced",
                                       listener);
                    if (event == null) {
                        event = new HttpSessionBindingEvent
                            (getSession(), name, unbound);
                    }
                    listener.attributeReplaced(event);
                    fireContainerEvent(context,
                                       "afterSessionAttributeReplaced",
                                       listener);
                } else {
                    fireContainerEvent(context,
                                       "beforeSessionAttributeAdded",
                                       listener);
                    if (event == null) {
                        event = new HttpSessionBindingEvent
                            (getSession(), name, value);
                    }
                    listener.attributeAdded(event);
                    fireContainerEvent(context,
                                       "afterSessionAttributeAdded",
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        if (!notify || (value == null)) {
            return;
        }

        // Call the valueUnbound() method if necessary
        HttpSessionBindingEvent event = null;
        if (value instanceof HttpSessionBindingListener) {
            event = new HttpSessionBindingEvent(getSession(), name, value);
            ((HttpSessionBindingListener) value).valueUnbound(event);
        }

        // Notify interested application event listeners
        Context context = (Context) manager.getContainer();
        Object listeners[] = context.getApplicationEventListeners();
        if (listeners == null)
            return;
        for (int i = 0; i < listeners.length; i++) {
            if (!(listeners[i] instanceof HttpSessionAttributeListener))
                continue;
            HttpSessionAttributeListener listener =
                (HttpSessionAttributeListener) listeners[i];
            try {
                fireContainerEvent(context,
                                   "beforeSessionAttributeRemoved",
                                   listener);
                if (event == null) {
                    event = new HttpSessionBindingEvent
                        (getSession(), name, value);
                }
                listener.attributeRemoved(event);
                fireContainerEvent(context,
                                   "afterSessionAttributeRemoved",
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        if (!notify) {
            return;
        }

        // Call the valueUnbound() method if necessary
        HttpSessionBindingEvent event =
          new HttpSessionBindingEvent((HttpSession) this, name, value);
        if ((value != null) &&
            (value instanceof HttpSessionBindingListener))
            ((HttpSessionBindingListener) value).valueUnbound(event);

        // Notify interested application event listeners
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          !(value instanceof Serializable))
            throw new IllegalArgumentException
                (sm.getString("standardSession.setAttribute.iae"));

        // Construct an event with the new value
        HttpSessionBindingEvent event = new HttpSessionBindingEvent
                ((HttpSession) this, name, value);

        // Call the valueBound() method if necessary
        if (value instanceof HttpSessionBindingListener)
                ((HttpSessionBindingListener) value).valueBound(event);

        // Replace or add this attribute
        Object unbound = null;
        synchronized (attributes) {
            unbound = attributes.get(name);
            attributes.put(name, value);
        }

        // Call the valueUnbound() method if necessary
        if ((unbound != null) &&
                (unbound instanceof HttpSessionBindingListener)) {
            ((HttpSessionBindingListener) unbound).valueUnbound
                    (new HttpSessionBindingEvent((HttpSession) this, name));
        }

        // Replace the current event with one containing
        // the old value if necesary
        if (unbound != null)
            event = new HttpSessionBindingEvent((HttpSession) this,
                                                name, unbound);

        // Notify interested application event listeners
        Context context = (Context) manager.getContainer();
        Object listeners[] = context.getApplicationListeners();
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