Example usage for javax.servlet.jsp JspException JspException

List of usage examples for javax.servlet.jsp JspException JspException

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Introduction

In this page you can find the example usage for javax.servlet.jsp JspException JspException.

Prototype

public JspException(Throwable cause)

Source Link

Document

Constructs a new JspException with the specified cause.

Usage

From source file:org.apache.myfaces.taglib.core.ViewTag.java

public int doEndTag() throws JspException {
    if (log.isTraceEnabled())
        log.trace("entering ViewTag.doEndTag");
    FacesContext facesContext = FacesContext.getCurrentInstance();
    ResponseWriter responseWriter = facesContext.getResponseWriter();

    try {// w  w w .jav a 2s .  com
        responseWriter.endDocument();
    } catch (IOException e) {
        log.error("Error writing endDocument", e);
        throw new JspException(e);
    }

    if (log.isTraceEnabled())
        log.trace("leaving ViewTag.doEndTag");
    return super.doEndTag();
}

From source file:org.apache.myfaces.taglib.core.ViewTag.java

public int doAfterBody() throws JspException {
    if (log.isTraceEnabled())
        log.trace("entering ViewTag.doAfterBody");
    try {/*  w  w  w.  j av  a2 s. com*/
        BodyContent bodyContent = getBodyContent();
        if (bodyContent != null) {
            FacesContext facesContext = FacesContext.getCurrentInstance();
            StateManager stateManager = facesContext.getApplication().getStateManager();
            StateManager.SerializedView serializedView = stateManager.saveSerializedView(facesContext);

            //until now we have written to a buffer
            ResponseWriter bufferWriter = facesContext.getResponseWriter();
            bufferWriter.flush();
            //now we switch to real output
            ResponseWriter realWriter = bufferWriter.cloneWithWriter(getPreviousOut());
            facesContext.setResponseWriter(realWriter);

            String bodyStr = bodyContent.getString();
            /*
              do this always - even with server-side-state saving
              if ( stateManager.isSavingStateInClient(facesContext) )
              { */

            int form_marker = bodyStr.indexOf(JspViewHandlerImpl.FORM_STATE_MARKER);
            int url_marker = bodyStr.indexOf(HtmlLinkRendererBase.URL_STATE_MARKER);
            int lastMarkerEnd = 0;
            while (form_marker != -1 || url_marker != -1) {
                if (url_marker == -1 || (form_marker != -1 && form_marker < url_marker)) {
                    //replace form_marker
                    realWriter.write(bodyStr, lastMarkerEnd, form_marker - lastMarkerEnd);
                    stateManager.writeState(facesContext, serializedView);
                    lastMarkerEnd = form_marker + JspViewHandlerImpl.FORM_STATE_MARKER_LEN;
                    form_marker = bodyStr.indexOf(JspViewHandlerImpl.FORM_STATE_MARKER, lastMarkerEnd);
                } else {
                    //replace url_marker
                    realWriter.write(bodyStr, lastMarkerEnd, url_marker - lastMarkerEnd);
                    if (stateManager instanceof MyfacesStateManager) {
                        ((MyfacesStateManager) stateManager).writeStateAsUrlParams(facesContext,
                                serializedView);
                    } else {
                        log.error(
                                "Current StateManager is no MyfacesStateManager and does not support saving state in url parameters.");
                    }
                    lastMarkerEnd = url_marker + HtmlLinkRendererBase.URL_STATE_MARKER_LEN;
                    url_marker = bodyStr.indexOf(HtmlLinkRendererBase.URL_STATE_MARKER, lastMarkerEnd);
                }
            }
            realWriter.write(bodyStr, lastMarkerEnd, bodyStr.length() - lastMarkerEnd);

            /* change over to do this always - even with server-side state saving
            }
            else
            {
            realWriter.write( bodyStr );
            } */

            /* before, this was done when getSerializedView was null
            }
            else
            {
            bodyContent.writeOut(getPreviousOut());
            }*/
        }
    } catch (IOException e) {
        log.error("Error writing body content", e);
        throw new JspException(e);
    }
    if (log.isTraceEnabled())
        log.trace("leaving ViewTag.doAfterBody");
    return super.doAfterBody();
}

From source file:org.apache.pluto.driver.tags.PortletModeAnchorTag.java

/**
 * Method invoked when the start tag is encountered.
 * @throws JspException  if an error occurs.
 *//*from  ww w.j  a v  a  2  s. c  o  m*/
public int doStartTag() throws JspException {

    // Ensure that the modeAnchor tag resides within a portlet tag.
    PortletTag parentTag = (PortletTag) TagSupport.findAncestorWithClass(this, PortletTag.class);
    if (parentTag == null) {
        throw new JspException("Portlet window controls may only reside " + "within a pluto:portlet tag.");
    }

    portletId = parentTag.getPortletId();
    // Evaluate portlet ID attribute.
    evaluatePortletId();

    // Retrieve the portlet window config for the evaluated portlet ID.
    ServletContext servletContext = pageContext.getServletContext();
    DriverConfiguration driverConfig = (DriverConfiguration) servletContext
            .getAttribute(AttributeKeys.DRIVER_CONFIG);

    if (isPortletModeAllowed(driverConfig, portletMode)) {
        // Retrieve the portal environment.
        PortalRequestContext portalEnv = PortalRequestContext
                .getContext((HttpServletRequest) pageContext.getRequest());

        PortalURL portalUrl = portalEnv.createPortalURL();
        portalUrl.setPortletMode(evaluatedPortletId, new PortletMode(portletMode));

        // Build a string buffer containing the anchor tag
        StringBuffer tag = new StringBuffer();
        //            tag.append("<a class=\"" + ToolTips.CSS_CLASS_NAME + "\" href=\"" + portalUrl.toString() + "\">");
        //            tag.append("<span class=\"" + portletMode + "\"></span>");
        //            tag.append("<span class=\"" + ToolTips.CSS_CLASS_NAME + "\">");
        //            tag.append(ToolTips.forMode(new PortletMode(portletMode)));
        //            tag.append("</span></a>");
        tag.append("<a title=\"");
        tag.append(ToolTips.forMode(new PortletMode(portletMode)));
        tag.append("\" ");
        tag.append("href=\"" + portalUrl.toString() + "\">");
        tag.append("<span class=\"" + portletMode + "\"></span>");
        tag.append("</a>");
        // Print the mode anchor tag.
        try {
            JspWriter out = pageContext.getOut();
            out.print(tag.toString());
        } catch (IOException ex) {
            throw new JspException(ex);
        }
    }

    // Continue to evaluate the tag body.
    return EVAL_BODY_INCLUDE;
}

From source file:org.apache.pluto.driver.tags.PortletModeDropDownTag.java

/**
 * Method invoked when the start tag is encountered.
 * @throws JspException  if an error occurs.
 *///www. j  a v a  2s .  c  om
public int doStartTag() throws JspException {

    // Ensure that the modeAnchor tag resides within a portlet tag.
    PortletTag parentTag = (PortletTag) TagSupport.findAncestorWithClass(this, PortletTag.class);
    if (parentTag == null) {
        throw new JspException("Portlet window controls may only reside " + "within a pluto:portlet tag.");
    }

    portletId = parentTag.getPortletId();
    // Evaluate portlet ID attribute.
    evaluatePortletId();

    // Retrieve the portlet window config for the evaluated portlet ID.
    ServletContext servletContext = pageContext.getServletContext();
    DriverConfiguration driverConfig = (DriverConfiguration) servletContext
            .getAttribute(AttributeKeys.DRIVER_CONFIG);

    // Retrieve the portal environment.
    PortalRequestContext portalEnv = PortalRequestContext
            .getContext((HttpServletRequest) pageContext.getRequest());

    //find the current mode for use in 'selected' attrib of select option
    PortalURL requestedPortalUrl = portalEnv.getRequestedPortalURL();
    PortletWindowConfig windowConfig = PortletWindowConfig.fromId(evaluatedPortletId);
    // Retrieve the portlet container from servlet context.
    PortletContainer container = (PortletContainer) servletContext
            .getAttribute(AttributeKeys.PORTLET_CONTAINER);

    // Create the portlet window to render.
    PortletWindow window = new PortletWindowImpl(container, windowConfig, requestedPortalUrl);

    PortletMode currentMode = requestedPortalUrl.getPortletMode(window.getId().getStringId());

    //start the markup
    StringBuffer tag = new StringBuffer();
    //        String strCurrentMode = currentMode.toString();        
    //        tag.append("Current mode: " + currentMode.toString());
    tag.append(
            "<form action=\"\" name=\"modeSelectionForm\" style=\"display:inline\"><select onchange=\"self.location=this.options[this.selectedIndex].value\">");
    Set<PortletMode> modeSet = null;
    try {
        modeSet = driverConfig.getSupportedPortletModes(evaluatedPortletId);
    } catch (PortletContainerException e) {
        throw new JspException(e);
    }

    if (modeSet != null) {
        Iterator<PortletMode> i = modeSet.iterator();
        while (i.hasNext()) {
            PortletMode mode = i.next();

            PortalURL portalUrl = portalEnv.createPortalURL();
            portalUrl.setPortletMode(evaluatedPortletId, mode);

            // Build a string buffer containing the anchor tag
            tag.append("<option value=\"" + portalUrl.toString() + "\"");
            //Add 'selected' attribute for current mode.
            if (mode.equals(currentMode)) {
                tag.append(" selected=\"true\"");
            }
            tag.append(">");
            if (driverConfig.isPortletManagedMode(evaluatedPortletId, mode.toString())) {
                tag.append(getCustomModeDecorationName(driverConfig, mode));
            } else {
                tag.append(mode.toString().toUpperCase());
            }
            //               tag.append(mode.toString().toUpperCase());
            tag.append("</option>");
        }
    }
    tag.append("</select></form>");
    // Print the mode anchor tag.
    try {
        JspWriter out = pageContext.getOut();
        out.print(tag.toString());
    } catch (IOException ex) {
        throw new JspException(ex);
    }

    // Continue to evaluate the tag body.
    return EVAL_BODY_INCLUDE;
}

From source file:org.apache.pluto.driver.tags.PortletWindowStateAnchorTag.java

/**
 * Method invoked when the start tag is encountered.
 * @throws JspException  if an error occurs.
 *//*from  w w w . j  a  v a 2 s  .c o  m*/
public int doStartTag() throws JspException {

    // Ensure that the modeAnchor tag resides within a portlet tag.
    PortletTag parentTag = (PortletTag) TagSupport.findAncestorWithClass(this, PortletTag.class);
    if (parentTag == null) {
        throw new JspException("Portlet window controls may only reside " + "within a pluto:portlet tag.");
    }

    portletId = parentTag.getPortletId();
    // Evaluate portlet ID attribute.
    evaluatePortletId();

    // Retrieve the portlet window config for the evaluated portlet ID.
    ServletContext servletContext = pageContext.getServletContext();
    DriverConfiguration driverConfig = (DriverConfiguration) servletContext
            .getAttribute(AttributeKeys.DRIVER_CONFIG);

    if (isWindowStateAllowed(driverConfig, state)) {
        // Retrieve the portal environment.
        PortalRequestContext portalEnv = PortalRequestContext
                .getContext((HttpServletRequest) pageContext.getRequest());

        PortalURL portalUrl = portalEnv.createPortalURL();
        portalUrl.setWindowState(evaluatedPortletId, new WindowState(state));

        // Build a string buffer containing the anchor tag
        StringBuffer tag = new StringBuffer();
        //            tag.append("<a class=\"" + ToolTips.CSS_CLASS_NAME + "\" href=\"" + portalUrl.toString() + "\">");
        //            tag.append("<span class=\"" + state + "\"></span>");
        //            tag.append("<span class=\"" + ToolTips.CSS_CLASS_NAME + "\">");
        //            tag.append(ToolTips.forWindowState(new WindowState(state)));
        //            tag.append("</span></a>");
        tag.append("<a title=\"");
        tag.append(ToolTips.forWindowState(new WindowState(state)));
        tag.append("\" ");
        tag.append("href=\"" + portalUrl.toString() + "\">");
        tag.append("<img border=\"0\" src=\"" + icon + "\" />");
        tag.append("</a>");

        // Print the mode anchor tag.
        try {
            JspWriter out = pageContext.getOut();
            out.print(tag.toString());
        } catch (IOException ex) {
            throw new JspException(ex);
        }
    }

    // Continue to evaluate the tag body.
    return EVAL_BODY_INCLUDE;
}

From source file:org.apache.rave.portal.web.tag.RegionWidgetTag.java

/**
 * Delegates rendering of the RegionWidget to the RenderService
 *
 * @return EVAL_BODY_INCLUDE if no exception is thrown
 * @throws JspException if the regionWidget is not set or is not supported by the renderService.
 */// w ww  . ja va 2s . c om
@Override
public int doStartTag() throws JspException {

    if (regionWidget == null) {
        throw new JspException("RegionWidget not set: " + regionWidget);
    }

    if (widget != null && getBean().getSupportedWidgetTypes().contains(widget.getType())) {
        if (widget.isDisableRendering()) {
            ScriptManager scriptManager = getBeanFromContext(ScriptManager.class);
            String widgetScript = String.format(DISABLED_SCRIPT_BLOCK, regionWidget.getRegion().getId(),
                    regionWidget.getId(),
                    StringEscapeUtils.escapeEcmaScript(widget.getDisableRenderingMessage()),
                    regionWidget.isCollapsed(), widget.getId());
            String key = REGISTER_DISABLED_WIDGET_KEY + "-" + widget.getId();
            scriptManager.registerScriptBlock(key, widgetScript, ScriptLocation.AFTER_RAVE,
                    RenderScope.CURRENT_REQUEST, getContext());
        } else {
            writeString(getBean().render(new RegionWidgetWrapper(widget, regionWidget), getContext()));
        }
    } else {
        throw new JspException("Unsupported regionWidget type: " + regionWidget);
    }
    //Certain JSP implementations use tag pools.  Setting the regionWidget to null ensures that there is no chance a given tag
    //will accidentally re-use a region widget if the attribute in the JSP is empty
    regionWidget = null;
    widget = null;
    return EVAL_BODY_INCLUDE;
}

From source file:org.apache.struts.faces.taglib.JavascriptValidatorTag.java

/**
 * Render the JavaScript for to perform validations based on the form name.
 *
 * @exception JspException if a JSP exception has occurred
 *//*w w w . j  av a 2 s  . c  o m*/
public int doStartTag() throws JspException {
    StringBuffer results = new StringBuffer();

    ModuleConfig config = RequestUtils.getModuleConfig(pageContext);
    ValidatorResources resources = (ValidatorResources) pageContext
            .getAttribute(ValidatorPlugIn.VALIDATOR_KEY + config.getPrefix(), PageContext.APPLICATION_SCOPE);

    Locale locale = RequestUtils.retrieveUserLocale(this.pageContext, null);

    Form form = resources.get(locale, formName);
    if (form != null) {
        if ("true".equalsIgnoreCase(dynamicJavascript)) {
            MessageResources messages = (MessageResources) pageContext.getAttribute(bundle + config.getPrefix(),
                    PageContext.APPLICATION_SCOPE);

            List lActions = new ArrayList();
            List lActionMethods = new ArrayList();

            // Get List of actions for this Form
            for (Iterator i = form.getFields().iterator(); i.hasNext();) {
                Field field = (Field) i.next();

                for (Iterator x = field.getDependencies().iterator(); x.hasNext();) {
                    Object o = x.next();

                    if (o != null && !lActionMethods.contains(o)) {
                        lActionMethods.add(o);
                    }
                }

            }

            // Create list of ValidatorActions based on lActionMethods
            for (Iterator i = lActionMethods.iterator(); i.hasNext();) {
                String depends = (String) i.next();
                ValidatorAction va = resources.getValidatorAction(depends);

                // throw nicer NPE for easier debugging
                if (va == null) {
                    throw new NullPointerException(
                            "Depends string \"" + depends + "\" was not found in validator-rules.xml.");
                }

                String javascript = va.getJavascript();
                if (javascript != null && javascript.length() > 0) {
                    lActions.add(va);
                } else {
                    i.remove();
                }
            }

            Collections.sort(lActions, new Comparator() {
                public int compare(Object o1, Object o2) {
                    ValidatorAction va1 = (ValidatorAction) o1;
                    ValidatorAction va2 = (ValidatorAction) o2;

                    if ((va1.getDepends() == null || va1.getDepends().length() == 0)
                            && (va2.getDepends() == null || va2.getDepends().length() == 0)) {
                        return 0;
                    } else if ((va1.getDepends() != null && va1.getDepends().length() > 0)
                            && (va2.getDepends() == null || va2.getDepends().length() == 0)) {
                        return 1;
                    } else if ((va1.getDepends() == null || va1.getDepends().length() == 0)
                            && (va2.getDepends() != null && va2.getDepends().length() > 0)) {
                        return -1;
                    } else {
                        return va1.getDependencies().size() - va2.getDependencies().size();
                    }
                }
            });

            String methods = null;
            for (Iterator i = lActions.iterator(); i.hasNext();) {
                ValidatorAction va = (ValidatorAction) i.next();

                if (methods == null) {
                    methods = va.getMethod() + "(form)";
                } else {
                    methods += " && " + va.getMethod() + "(form)";
                }
            }

            results.append(getJavascriptBegin(methods));

            for (Iterator i = lActions.iterator(); i.hasNext();) {
                ValidatorAction va = (ValidatorAction) i.next();
                String jscriptVar = null;
                String functionName = null;

                if (va.getJsFunctionName() != null && va.getJsFunctionName().length() > 0) {
                    functionName = va.getJsFunctionName();
                } else {
                    functionName = va.getName();
                }

                if (isStruts11()) {
                    results.append("    function " + functionName + " () { \n");
                } else {
                    results.append("    function " + formName + "_" + functionName + " () { \n");
                }
                for (Iterator x = form.getFields().iterator(); x.hasNext();) {
                    Field field = (Field) x.next();

                    // Skip indexed fields for now until there is a good way to handle 
                    // error messages (and the length of the list (could retrieve from scope?))
                    if (field.isIndexed() || field.getPage() != page || !field.isDependency(va.getName())) {

                        continue;
                    }

                    String message = Resources.getMessage(messages, locale, va, field);

                    message = (message != null) ? message : "";

                    jscriptVar = this.getNextVar(jscriptVar);

                    results.append("     this." + jscriptVar + " = new Array(\"" + getFormClientId() + ":"
                            + field.getKey() + "\", \"" + message + "\", ");

                    results.append("new Function (\"varName\", \"");

                    Map vars = field.getVars();
                    // Loop through the field's variables.
                    Iterator varsIterator = vars.keySet().iterator();
                    while (varsIterator.hasNext()) {
                        String varName = (String) varsIterator.next();
                        Var var = (Var) vars.get(varName);
                        String varValue = var.getValue();
                        String jsType = var.getJsType();

                        // skip requiredif variables field, fieldIndexed, fieldTest, fieldValue
                        if (varName.startsWith("field")) {
                            continue;
                        }

                        if (Var.JSTYPE_INT.equalsIgnoreCase(jsType)) {
                            results.append("this." + varName + "="
                                    + ValidatorUtil.replace(varValue, "\\", "\\\\") + "; ");
                        } else if (Var.JSTYPE_REGEXP.equalsIgnoreCase(jsType)) {
                            results.append("this." + varName + "=/"
                                    + ValidatorUtil.replace(varValue, "\\", "\\\\") + "/; ");
                        } else if (Var.JSTYPE_STRING.equalsIgnoreCase(jsType)) {
                            results.append("this." + varName + "='"
                                    + ValidatorUtil.replace(varValue, "\\", "\\\\") + "'; ");
                            // So everyone using the latest format doesn't need to change their xml files immediately.
                        } else if ("mask".equalsIgnoreCase(varName)) {
                            results.append("this." + varName + "=/"
                                    + ValidatorUtil.replace(varValue, "\\", "\\\\") + "/; ");
                        } else {
                            results.append("this." + varName + "='"
                                    + ValidatorUtil.replace(varValue, "\\", "\\\\") + "'; ");
                        }
                    }

                    results.append(" return this[varName];\"));\n");
                }
                results.append("    } \n\n");
            }
        } else if ("true".equalsIgnoreCase(staticJavascript)) {
            results.append(this.getStartElement());
            if ("true".equalsIgnoreCase(htmlComment)) {
                results.append(htmlBeginComment);
            }
        }
    }

    if ("true".equalsIgnoreCase(staticJavascript)) {
        results.append(getJavascriptStaticMethods(resources));
    }

    if (form != null
            && ("true".equalsIgnoreCase(dynamicJavascript) || "true".equalsIgnoreCase(staticJavascript))) {

        results.append(getJavascriptEnd());
    }

    JspWriter writer = pageContext.getOut();
    try {
        writer.print(results.toString());
    } catch (IOException e) {
        throw new JspException(e.getMessage());
    }

    return (EVAL_BODY_TAG);

}

From source file:org.apache.struts.taglib.bean.DefineTag.java

/**
 * Retrieve the required property and expose it as a scripting variable.
 *
 * @throws JspException if a JSP exception has occurred
 *///from   w  w  w . j a v  a 2  s .c o m
public int doEndTag() throws JspException {
    // Enforce restriction on ways to declare the new value
    int n = 0;

    if (this.body != null) {
        n++;
    }

    if (this.name != null) {
        n++;
    }

    if (this.value != null) {
        n++;
    }

    if (n > 1) {
        JspException e = new JspException(messages.getMessage("define.value", id));

        TagUtils.getInstance().saveException(pageContext, e);
        throw e;
    }

    // Retrieve the required property value
    Object value = this.value;

    if ((value == null) && (name != null)) {
        value = TagUtils.getInstance().lookup(pageContext, name, property, scope);
    }

    if ((value == null) && (body != null)) {
        value = body;
    }

    if (value == null) {
        JspException e = new JspException(messages.getMessage("define.null", id));

        TagUtils.getInstance().saveException(pageContext, e);
        throw e;
    }

    // Expose this value as a scripting variable
    int inScope = PageContext.PAGE_SCOPE;

    try {
        if (toScope != null) {
            inScope = TagUtils.getInstance().getScope(toScope);
        }
    } catch (JspException e) {
        log.warn("toScope was invalid name so we default to PAGE_SCOPE", e);
    }

    pageContext.setAttribute(id, value, inScope);

    // Continue processing this page
    return (EVAL_PAGE);
}

From source file:org.apache.struts.taglib.html.BaseHandlerTag.java

/**
 * Return the text specified by the literal value or the message resources
 * key, if any; otherwise return <code>null</code>.
 *
 * @param literal Literal text value or <code>null</code>
 * @param key     Message resources key or <code>null</code>
 * @throws JspException if both arguments are non-null
 *//*from  w  w  w . ja v  a 2 s  . c  om*/
protected String message(String literal, String key) throws JspException {
    if (literal != null) {
        if (key != null) {
            JspException e = new JspException(messages.getMessage("common.both"));

            TagUtils.getInstance().saveException(pageContext, e);
            throw e;
        } else {
            return (literal);
        }
    } else {
        if (key != null) {
            return TagUtils.getInstance().message(pageContext, getBundle(), getLocale(), key);
        } else {
            return null;
        }
    }
}

From source file:org.apache.struts.taglib.html.BaseHandlerTag.java

/**
 * Returns the index value for tags with 'true' value in 'indexed'
 * attribute.//from ww  w .j a  v a 2 s.c  o  m
 *
 * @return the index value.
 * @throws JspException if 'indexed' tag used outside of iterate tag.
 */
protected int getIndexValue() throws JspException {
    // look for outer iterate tag
    IterateTag iterateTag = (IterateTag) findAncestorWithClass(this, IterateTag.class);

    if (iterateTag != null) {
        return iterateTag.getIndex();
    }

    // Look for JSTL loops
    Integer i = getJstlLoopIndex();

    if (i != null) {
        return i.intValue();
    }

    // this tag should be nested in an IterateTag or JSTL loop tag, if it's not, throw exception
    JspException e = new JspException(messages.getMessage("indexed.noEnclosingIterate"));

    TagUtils.getInstance().saveException(pageContext, e);
    throw e;
}