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.tiles.jsp.taglib.PutAttributeTag.java

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

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

    parent.processNestedTag(this);
}

---

From source file:org.apache.webapp.admin.AttributeTag.java

/**
 * Render the JMX MBean attribute identified by this tag
 *
 * @exception JspException if a processing exception occurs
 *//*from   ww w . j a  v  a  2  s.c  o  m*/
public int doEndTag() throws JspException {

    // Retrieve the object name identified by our attributes
    Object bean = null;
    if (scope == null) {
        bean = pageContext.findAttribute(name);
    } else if ("page".equalsIgnoreCase(scope)) {
        bean = pageContext.getAttribute(name, PageContext.PAGE_SCOPE);
    } else if ("request".equalsIgnoreCase(scope)) {
        bean = pageContext.getAttribute(name, PageContext.REQUEST_SCOPE);
    } else if ("session".equalsIgnoreCase(scope)) {
        bean = pageContext.getAttribute(name, PageContext.SESSION_SCOPE);
    } else if ("application".equalsIgnoreCase(scope)) {
        bean = pageContext.getAttribute(name, PageContext.APPLICATION_SCOPE);
    } else {
        throw new JspException("Invalid scope value '" + scope + "'");
    }
    if (bean == null) {
        throw new JspException("No bean '" + name + "' found");
    }
    if (property != null) {
        try {
            bean = PropertyUtils.getProperty(bean, property);
        } catch (Throwable t) {
            throw new JspException("Exception retrieving property '" + property + "': " + t);
        }
        if (bean == null) {
            throw new JspException("No property '" + property + "' found");
        }
    }

    // Convert to an object name as necessary
    ObjectName oname = null;
    try {
        if (bean instanceof ObjectName) {
            oname = (ObjectName) bean;
        } else if (bean instanceof String) {
            oname = new ObjectName((String) bean);
        } else {
            oname = new ObjectName(bean.toString());
        }
    } catch (Throwable t) {
        throw new JspException("Exception creating object name for '" + bean + "': " + t);
    }

    // Acquire a reference to our MBeanServer
    MBeanServer mserver = (MBeanServer) pageContext.getAttribute("org.apache.catalina.MBeanServer",
            PageContext.APPLICATION_SCOPE);
    if (mserver == null)
        throw new JspException("MBeanServer is not available");

    // Retrieve the specified attribute from the specified MBean
    Object value = null;
    try {
        value = mserver.getAttribute(oname, attribute);
    } catch (Throwable t) {
        throw new JspException("Exception retrieving attribute '" + attribute + "'");
    }

    // Render this value to our current output writer
    if (value != null) {
        JspWriter out = pageContext.getOut();
        try {
            out.print(value);
        } catch (IOException e) {
            throw new JspException("IOException: " + e);
        }
    }

    // Evaluate the remainder of this page
    return (EVAL_PAGE);

}

---

From source file:org.araneaframework.jsp.tag.basic.UiKeyboardHandlerBaseTag.java

/**
 * Checks that either keyCode or key is specified (not both), and initializes the keyCode field.
 * When overriding don't forget to invoke superimplementation first.
 *//*w w  w .  j av  a 2s. com*/
protected int before(Writer out) throws Exception {
    super.before(out);

    if (!(keyCode == null ^ key == null))
        throw new JspException("Either key or keyCode must be specified for a keyboard handler tag.");

    if (keyCode == null) {
        int iKeyCode = keyToKeyCode(key);
        if (iKeyCode == 0)
            throw new JspException("Invalid key alias specified (" + key + ")");
        keyCode = String.valueOf(iKeyCode);
    }

    return SKIP_BODY;
}

---

From source file:org.araneaframework.jsp.tag.basic.UiKeyboardHandlerBaseTag.java

/**
 * Writes "uiRegisterKeypressHandler" javascript, surrounded by <script&gt tags.
 * Throws exceptions if parameters are not consistent (e.g. keyCode not specified).
 * //from   w ww.  ja  v  a 2s .co m
 * @see #setScope
 * @see #setKeyCode
 * @see #setHandler
 */
public static final void writeRegisterKeypressHandlerScript(Writer out, String scope, String keyCode,
        String handler) throws JspException, IOException {
    if (StringUtils.isBlank(handler))
        throw new JspException("handler may not be empty in the UiKeyboardHandlerTag");
    if (StringUtils.isBlank(scope))
        scope = "";

    UiUtil.writeStartTag(out, "script");
    out.write("uiRegisterKeypressHandler('");
    out.write(scope);
    out.write("', ");
    out.write(keyCode);
    out.write(", ");
    UiUtil.writeEscaped(out, handler);
    out.write(");\n");
    UiUtil.writeEndTag_SS(out, "script");
}

---

From source file:org.araneaframework.jsp.tag.uilib.form.UiFormKeyboardHandlerTag.java

protected final int before(Writer out) throws Exception {
    super.before(out);
    if (StringUtils.isBlank(handler)) {
        // One of elemenId/event must be specified
        if ((elementId == null && fullElementId == null) || event == null)
            throw new JspException(
                    "You must specify handler or elementId/event for UiFormKeyboardHandlerTag (elementId="
                            + elementId + ", fullElementId=" + fullElementId + ", event=" + event + ",subscope="
                            + subscope);

        // Only one of elementId/fullElementId must be specified
        if (!(elementId == null ^ fullElementId == null))
            throw new JspException("Either elementId or fullElementId must be specified, not both.");

        // If elementId was given, translate to fullElementId
        if (fullElementId == null)
            fullElementId = elementIdToFullElementId(pageContext, elementId);
        handler = createHandlerToInvokeJavascriptEvent(fullElementId, event);
    } else {//from   ww w  .  j ava 2 s.  com
        // None of the elementId/event attributes may be specified
        if (fullElementId != null || elementId != null || event != null)
            throw new JspException(
                    "You should specify either handler or event for UiFormKeyboardHandlerTag (handler="
                            + handler + ")");
    }

    // Scope here means the analogue of "scope" attribute in UiKeyboardHandlerTag
    // It must be prefixed by componentId when the surrounding systemForm's "scope" is "screen".
    String scope = (String) pageContext.getAttribute(UiFormTag.FORM_SCOPED_FULL_ID_KEY_REQUEST,
            PageContext.REQUEST_SCOPE);
    if (!StringUtils.isBlank(subscope)) {
        if (StringUtils.isBlank(scope))
            scope = subscope;
        else
            scope = scope + "." + subscope;
    }

    // Write out.
    UiKeyboardHandlerTag.writeRegisterKeypressHandlerScript(out, scope, keyCode, handler);
    return SKIP_BODY;
}

---

From source file:org.bibsonomy.webapp.util.tags.JabrefLayoutRendererTag.java

@Override
public int doStartTag() throws JspException {
    try {/*from   w  w  w  . j  a va  2s  .c  om*/
        pageContext.getOut().print(this.renderPosts());
    } catch (final IOException ex) {
        throw new JspException("Error: IOException while writing to client" + ex.getMessage());
    }

    return super.doStartTag();
}

---

From source file:org.caofei.taglib.html.JavascriptValidatorTag.java

/**
 * Returns fully rendered JavaScript./* w  ww  .j av  a 2 s . c om*/
 *
 * @since Struts 1.2
 */
protected String renderJavascript() throws JspException {
    StringBuffer results = new StringBuffer();

    /*
            ModuleConfig config =
    TagUtils.getInstance().getModuleConfig(pageContext);
    */
    ValidatorResources resources = null;
    /*
    (ValidatorResources) pageContext.getAttribute(
      ValidatorPlugIn.VALIDATOR_KEY
        + config.getPrefix(), PageContext.APPLICATION_SCOPE);
    */
    if (resources == null) {
        throw new JspException("ValidatorResources is null");
        /*
        "ValidatorResources not found in application scope under key \""
        + ValidatorPlugIn.VALIDATOR_KEY + config.getPrefix() + "\"");
        */
    }
    Locale locale = null;
    /*
    TagUtils.getInstance().getUserLocale(this.pageContext, null);
    */
    Form form = null;
    if ("true".equalsIgnoreCase(dynamicJavascript)) {
        form = resources.getForm(locale, formName);
        if (form == null) {
            throw new JspException("No form found under '" + formName + "' in locale '" + locale
                    + "'.  A form must be defined in the " + "Commons Validator configuration when "
                    + "dynamicJavascript=\"true\" is set.");
        }
    }

    if (form != null) {
        if ("true".equalsIgnoreCase(dynamicJavascript)) {
            results.append(this.createDynamicJavascript(resources, locale, form));
        } else if ("true".equalsIgnoreCase(staticJavascript)) {
            results.append(this.renderStartElement());

            if ("true".equalsIgnoreCase(htmlComment)) {
                results.append(HTML_BEGIN_COMMENT);
            }
        }
    }

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

    if ((form != null)
            && ("true".equalsIgnoreCase(dynamicJavascript) || "true".equalsIgnoreCase(staticJavascript))) {
        results.append(getJavascriptEnd());
    }

    return results.toString();
}

---

From source file:org.codelabor.system.web.taglib.PaginationTag.java

@Override
public void doTag() throws JspException, IOException {
    logger.debug("doTag");

    // if numberOfRow is 0, do nothing
    if (numberOfRow == 0) {
        return;/*from  w w w .ja v  a 2s  . c o m*/
    }

    PageContext context = (PageContext) this.getJspContext();
    HttpServletRequest request = (HttpServletRequest) context.getRequest();
    JspWriter out = context.getOut();

    // queryString
    queryString = request.getQueryString();

    // max row per page
    String maxRowPerPageString = request.getParameter(maxRowPerPageParamName);
    if (!StringUtils.isBlank(maxRowPerPageString)) {
        maxRowPerPage = Integer.parseInt(maxRowPerPageString);
    }

    // total count
    int totalPageCount = (int) Math.ceil((double) numberOfRow / (double) maxRowPerPage);

    // page number
    int firstPageNo = 1;
    lastPageNo = totalPageCount;
    currentPageNo = 1;
    String pageNoString = request.getParameter(pageNoParamName);
    if (!StringUtils.isBlank(pageNoString)) {
        currentPageNo = Integer.parseInt(pageNoString);
    }

    // validation
    if (currentPageNo > lastPageNo) {
        StringBuilder sb = new StringBuilder();
        sb.append(pageNoParamName).append(" is exeeded.");
        sb.append(" (");
        sb.append("requested page number: ").append(currentPageNo).append(", ");
        sb.append("last page number: ").append(lastPageNo).append(")");
        throw new JspException(sb.toString());
    }

    // current index
    lastPageNoOnCurrentIndex = ((int) Math.ceil((double) currentPageNo / (double) maxIndexPerPage))
            * maxIndexPerPage;
    firstPageNoOnCurrentIndex = (lastPageNoOnCurrentIndex - maxIndexPerPage) + 1;

    // compensate page number
    if (lastPageNoOnCurrentIndex > lastPageNo) {
        lastPageNoOnCurrentIndex = lastPageNo;
    }

    // first page number on previous, next index
    firstPageNoOnPreviousIndex = firstPageNoOnCurrentIndex - maxIndexPerPage;
    firstPageNoOnNextIndex = lastPageNoOnCurrentIndex + 1;

    // compensate page number
    if (firstPageNoOnPreviousIndex < firstPageNo) {
        firstPageNoOnPreviousIndex = firstPageNo;
    }
    if (firstPageNoOnNextIndex > lastPageNo) {
        firstPageNoOnNextIndex = lastPageNo;
    }

    // first page number of first index
    firstPageNoOnFirstIndex = firstPageNo;

    // last page number of last index
    lastPageNoOnLastIndex = ((int) Math.ceil((double) numberOfRow / (double) maxRowPerPage));

    // debug
    logger.debug("queryString: {}", queryString);
    logger.debug("numberOfRow: {}", numberOfRow);
    logger.debug("totalPageCount: {}", totalPageCount);
    logger.debug("firstPageNo: {}", firstPageNo);
    logger.debug("lastPageNo: {}", lastPageNo);

    // write html tag
    StringBuilder sb = new StringBuilder();
    StringWriter sw = new StringWriter();
    sb.append("<div");
    if (!StringUtils.isBlank(cssClass)) {
        sb.append(" class=\"").append(cssClass).append("\"");
    }
    sb.append(" />");
    getJspBody().invoke(sw);
    sb.append(sw.getBuffer());
    sb.append("</ div>");
    out.print(sb.toString());
}

---

From source file:org.customer.ContentTag.java

/**
 * @see javax.servlet.jsp.tagext.TagSupport#doStartTag()
 *//* ww  w  .j a va  2 s .  c o m*/
public int doStartTag() throws JspException {
    try {
        Writer out = pageContext.getOut();

        // setup http call to content webscript
        String url = this.getRepoUrl() + "/service/api/node/" + getNodeRef().replace("://", "/") + "/content";
        HttpClient client = getHttpClient();
        GetMethod getContent = new GetMethod(url);
        getContent.setDoAuthentication(true);

        try {
            // execute the method
            client.executeMethod(getContent);

            // render the content returned
            out.write(getContent.getResponseBodyAsString());
        } finally {
            getContent.releaseConnection();
        }
    } catch (IOException ioe) {
        throw new JspException(ioe.toString());
    }

    return SKIP_BODY;
}

---

From source file:org.customer.PropertyTag.java

/**
 * @see javax.servlet.jsp.tagext.TagSupport#doStartTag()
 */// ww  w .  j ava  2s. c  o  m
public int doStartTag() throws JspException {
    try {
        Writer out = pageContext.getOut();

        // setup http call to content webscript
        String url = this.getRepoUrl() + "/service/api/metadata?nodeRef=" + getNodeRef() + "&shortQNames=true";

        if (logger.isDebugEnabled())
            logger.debug("Getting metadata from: " + url);

        HttpClient client = getHttpClient();
        GetMethod getContent = new GetMethod(url);
        getContent.setDoAuthentication(true);

        try {
            // execute the method
            client.executeMethod(getContent);

            // get the JSON response
            String jsonResponse = getContent.getResponseBodyAsString();

            if (logger.isDebugEnabled())
                logger.debug(jsonResponse);

            JSONObject json = new JSONObject(jsonResponse);
            JSONObject props = json.getJSONObject("properties");
            if (props.has(this.property)) {
                out.write(props.getString(this.property));
            }
        } finally {
            getContent.releaseConnection();
        }
    } catch (IOException ioe) {
        throw new JspException(ioe.toString());
    } catch (JSONException je) {
        throw new JspException(je.toString());
    }

    return SKIP_BODY;
}

---

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