Example usage for javax.servlet.jsp JspException JspException

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.struts.tiles.taglib.InsertTag.java

/**
 * End of Process tag attribute "definition".
 * Overload definition with tag attributes "template" and "role".
 * Then, create appropriate tag handler.
 * @param definition Definition to process.
 * @return Appropriate TagHandler.//  w w w  .  ja v a 2 s. co m
 * @throws JspException InstantiationException Can't create requested controller
 */
protected TagHandler processDefinition(ComponentDefinition definition) throws JspException {
    // Declare local variable in order to not change Tag attribute values.
    String role = this.role;
    String page = this.page;
    Controller controller = null;

    try {
        controller = definition.getOrCreateController();

        // Overload definition with tag's template and role.
        if (role == null) {
            role = definition.getRole();
        }

        if (page == null) {
            page = definition.getTemplate();
        }

        if (controllerName != null) {
            controller = ComponentDefinition.createController(controllerName, controllerType);
        }

        // Can check if page is set
        return new InsertHandler(definition.getAttributes(), page, role, controller);

    } catch (InstantiationException ex) {
        throw new JspException(ex);
    }
}

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From source file:org.apache.struts.tiles.taglib.PutTag.java

/**
 * Find parent tag which must implement AttributeContainer.
 * @throws JspException If we can't find an appropriate enclosing tag.
 */// w w  w . j  a  va2  s .  c  om
protected PutTagParent findEnclosingPutTagParent() throws JspException {
    try {
        PutTagParent parent = (PutTagParent) findAncestorWithClass(this, PutTagParent.class);

        if (parent == null) {
            throw new JspException("Error - tag put : enclosing tag doesn't accept 'put' tag.");
        }

        return parent;

    } catch (ClassCastException ex) {
        throw new JspException("Error - tag put : enclosing tag doesn't accept 'put' tag.", ex);
    }
}

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From source file:org.apache.struts.tiles.taglib.util.TagUtils.java

/**
 * Converts the scope name into its corresponding PageContext constant value.
 * @param scopeName Can be "page", "request", "session", or "application" in any
 * case.//  w  w w .  ja va2  s. c om
 * @return The constant representing the scope (ie. PageContext.REQUEST_SCOPE).
 * @throws JspException if the scopeName is not a valid name.
 */
public static int getScope(String scopeName) throws JspException {
    Integer scope = (Integer) scopes.get(scopeName.toLowerCase());

    if (scope == null) {
        //throw new JspException(messages.getMessage("lookup.scope", scope));
        throw new JspException("Unable to retrieve the scope " + scopeName);
    }

    return scope.intValue();
}

---

From source file:org.apache.struts2.jasper.runtime.PageContextImpl.java

/**
 * Returns the exception associated with this page
 * context, if any./*  www  . ja  v a2  s.  c o m*/
 * <p/>
 * Added wrapping for Throwables to avoid ClassCastException:
 * see Bugzilla 31171 for details.
 *
 * @return The Exception associated with this page context, if any.
 */
public Exception getException() {
    Throwable t = JspRuntimeLibrary.getThrowable(request);

    // Only wrap if needed
    if ((t != null) && (!(t instanceof Exception))) {
        t = new JspException(t);
    }

    return (Exception) t;
}

---

From source file:org.apache.struts2.views.jsp.iterator.SubsetIteratorTag.java

public int doStartTag() throws JspException {

    // source/*from   w ww  . jav a2s . c  om*/
    Object source = null;
    if (sourceAttr == null && sourceAttr.length() <= 0) {
        source = findValue("top");
    } else {
        source = findValue(sourceAttr);
    }

    // count
    int count = -1;
    if (countAttr != null && countAttr.length() > 0) {
        Object countObj = findValue(countAttr);
        if (countObj instanceof Integer) {
            count = ((Integer) countObj).intValue();
        } else if (countObj instanceof Float) {
            count = ((Float) countObj).intValue();
        } else if (countObj instanceof Long) {
            count = ((Long) countObj).intValue();
        } else if (countObj instanceof Double) {
            count = ((Long) countObj).intValue();
        } else if (countObj instanceof String) {
            try {
                count = Integer.parseInt((String) countObj);
            } catch (NumberFormatException e) {
                _log.warn("unable to convert count attribute [" + countObj
                        + "] to number, ignore count attribute", e);
            }
        }
    }

    // start
    int start = 0;
    if (startAttr != null && startAttr.length() > 0) {
        Object startObj = findValue(startAttr);
        if (startObj instanceof Integer) {
            start = ((Integer) startObj).intValue();
        } else if (startObj instanceof Float) {
            start = ((Float) startObj).intValue();
        } else if (startObj instanceof Long) {
            start = ((Long) startObj).intValue();
        } else if (startObj instanceof Double) {
            start = ((Long) startObj).intValue();
        } else if (startObj instanceof String) {
            try {
                start = Integer.parseInt((String) startObj);
            } catch (NumberFormatException e) {
                _log.warn("unable to convert count attribute [" + startObj
                        + "] to number, ignore count attribute", e);
            }
        }
    }

    // decider
    Decider decider = null;
    if (deciderAttr != null && deciderAttr.length() > 0) {
        Object deciderObj = findValue(deciderAttr);
        if (!(deciderObj instanceof Decider)) {
            throw new JspException(
                    "decider found from stack [" + deciderObj + "] does not implement " + Decider.class);
        }
        decider = (Decider) deciderObj;
    }

    subsetIteratorFilter = new SubsetIteratorFilter();
    subsetIteratorFilter.setCount(count);
    subsetIteratorFilter.setDecider(decider);
    subsetIteratorFilter.setSource(source);
    subsetIteratorFilter.setStart(start);
    subsetIteratorFilter.execute();

    getStack().push(subsetIteratorFilter);
    if (getId() != null) {
        pageContext.setAttribute(getId(), subsetIteratorFilter);
    }

    return EVAL_BODY_INCLUDE;
}

---

From source file:org.apache.taglib.tiles.InsertTag.java

/**
 * Process tag attribute "definition".//w ww.  ja  v  a2 s.c  om
 * First, search definition in the factory, then create handler from this definition.
 * @param name Name of the definition.
 * @return Appropriate TagHandler.
 * @throws JspException- NoSuchDefinitionException No Definition  found for name.
 * @throws JspException- FactoryNotFoundException Can't find Definitions factory.
 * @throws JspException- DefinedComponentFactoryException General error in factory.
 * @throws JspException InstantiationException Can't create requested controller
 */
protected TagHandler processDefinitionName(String name) throws JspException {

    try {
        ComponentDefinition definition = TilesUtil.getDefinition(name,
                (HttpServletRequest) pageContext.getRequest(), pageContext.getServletContext());

        if (definition == null) { // is it possible ?
            throw new NoSuchDefinitionException();
        }

        return processDefinition(definition);

    } catch (NoSuchDefinitionException ex) {
        throw new JspException("Error -  Tag Insert : Can't get definition '" + definitionName
                + "'. Check if this name exist in definitions factory.");

    } catch (FactoryNotFoundException ex) {
        log.info("FACTORY NOT FOUND");
        String msg = (String) pageContext.getServletContext().getAttribute(Globals.TILES_INIT_EXCEPTION);
        throw new JspException(msg);

    } catch (DefinitionsFactoryException ex) {
        log.info("DEFINITIONS FACTORY EXCEPTION");
        if (log.isDebugEnabled()) {
            ex.printStackTrace();
        }

        // Save exception to be able to show it later
        pageContext.setAttribute(Globals.EXCEPTION_KEY, ex, PageContext.REQUEST_SCOPE);
        throw new JspException(ex.getMessage());
    }
}

---

From source file:org.apache.taglib.tiles.PutTag.java

/**
 * Compute real value according to tag attributes.
 * @throws JspException If something goes wrong while getting value from bean.
 *//*  w  w w  .  ja v a 2s. c  o m*/
protected void computeRealValue() throws JspException {
    // Compute real value from attributes set.
    realValue = value;

    // If realValue is not set, value must come from body
    if (value == null && beanName == null) {
        // Test body content in case of empty body.
        if (bodyContent != null) {
            realValue = bodyContent.getString();
        } else {
            realValue = "";
        }
    }

    // Does value comes from a bean ?
    if (realValue == null && beanName != null) {
        getRealValueFromBean();
        return;
    }

    // Is there a type set ?
    // First check direct attribute, and translate it to a valueType.
    // Then, evaluate valueType, and create requested typed attribute.
    // If valueType is not set, use the value "as is".
    if (valueType == null && direct != null) {
        if (Boolean.valueOf(direct).booleanValue() == true) {
            valueType = "string";
        } else {
            valueType = "path";
        }
    }

    if (realValue != null && valueType != null && !(value instanceof AttributeDefinition)) {

        String strValue = realValue.toString();
        if (valueType.equalsIgnoreCase("string")) {
            realValue = new DirectStringAttribute(strValue);

        } else if (valueType.equalsIgnoreCase("page")) {
            realValue = new PathAttribute(strValue);

        } else if (valueType.equalsIgnoreCase("template")) {
            realValue = new PathAttribute(strValue);

        } else if (valueType.equalsIgnoreCase("instance")) {
            realValue = new DefinitionNameAttribute(strValue);

        } else if (valueType.equalsIgnoreCase("definition")) {
            realValue = new DefinitionNameAttribute(strValue);

        } else { // bad type
            throw new JspException("Warning - Tag put : Bad type '" + valueType + "'.");
        }
    }

}

---

From source file:org.apache.taglib.tiles.util.TagUtils.java

/**
 * Converts the scope name into its corresponding PageContext constant value.
 * @param scopeName Can be "page", "request", "session", or "application" in any
 * case./*from w  w  w.  j  a  va 2 s .  com*/
 * @return The constant representing the scope (ie. PageContext.REQUEST_SCOPE).
 * @throws JspException if the scopeName is not a valid name.
 */
public static int getScope(String scopeName) throws JspException {
    Integer scope = (Integer) scopes.get(scopeName.toLowerCase());

    if (scope == null) {
        throw new JspException(messages.getMessage("lookup.scope", scope));
    }

    return scope.intValue();
}

---

From source file:org.apache.tapestry.jsp.URLRetriever.java

/**
 *  Invokes the servlet to retrieve the URL.  The URL is inserted
 *  into the output (as with/*from   w w  w  .j av  a 2 s .  co m*/
 *  {@link RequestDispatcher#include(javax.servlet.ServletRequest, javax.servlet.ServletResponse)}). 
 * 
 *
 **/

public void insertURL(String servletPath) throws JspException {
    if (LOG.isDebugEnabled())
        LOG.debug("Obtaining Tapestry URL for service " + _serviceName + " at " + servletPath);

    ServletRequest request = _pageContext.getRequest();

    RequestDispatcher dispatcher = request.getRequestDispatcher(servletPath);

    if (dispatcher == null)
        throw new JspException(Tapestry.format("URLRetriever.unable-to-find-dispatcher", servletPath));

    request.setAttribute(Tapestry.TAG_SUPPORT_SERVICE_ATTRIBUTE, _serviceName);
    request.setAttribute(Tapestry.TAG_SUPPORT_PARAMETERS_ATTRIBUTE, _serviceParameters);
    request.setAttribute(Tapestry.TAG_SUPPORT_SERVLET_PATH_ATTRIBUTE, servletPath);

    try {
        _pageContext.getOut().flush();

        dispatcher.include(request, _pageContext.getResponse());
    } catch (IOException ex) {
        throw new JspException(Tapestry.format("URLRetriever.io-exception", servletPath, ex.getMessage()));
    } catch (ServletException ex) {
        throw new JspException(Tapestry.format("URLRetriever.servlet-exception", servletPath, ex.getMessage()));
    } finally {
        request.removeAttribute(Tapestry.TAG_SUPPORT_SERVICE_ATTRIBUTE);
        request.removeAttribute(Tapestry.TAG_SUPPORT_PARAMETERS_ATTRIBUTE);
        request.removeAttribute(Tapestry.TAG_SUPPORT_SERVLET_PATH_ATTRIBUTE);
    }

}

---

From source file:org.apache.tiles.jsp.taglib.AddAttributeTag.java

/** {@inheritDoc} */
protected void execute() throws JspException {
    AddAttributeTagParent parent = (AddAttributeTagParent) TagSupport.findAncestorWithClass(this,
            AddAttributeTagParent.class);

    if (parent == null) {
        String message = "Error: enclosing tag '" + getParent().getClass().getName()
                + " doesn't accept 'put' tag.";
        LOG.error(message);/* w  w w  .  j ava 2 s  .  c  om*/
        throw new JspException(message);
    }

    parent.processNestedTag(this);
}

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