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(String message, Throwable cause) 

Source Link

Document

Constructs a new JspException with the specified detail message and cause.

Usage

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

/**
 * Get component definition by its name.
 * @param name Definition name.// w w  w  .  jav a2  s  .co m
 * @param pageContext The PageContext for the current page.
 * @throws JspException -
 */
public static ComponentDefinition getComponentDefinition(String name, PageContext pageContext)
        throws JspException {

    try {
        return TilesUtil.getDefinition(name, pageContext.getRequest(), pageContext.getServletContext());

    } catch (NoSuchDefinitionException ex) {
        throw new JspException("Error : Can't get component definition for '" + name
                + "'. Check if this name exist in component definitions.", ex);
    } catch (FactoryNotFoundException ex) { // factory not found.
        throw new JspException(ex);

    } catch (DefinitionsFactoryException ex) {
        if (debug)
            ex.printStackTrace();
        // Save exception to be able to show it later
        saveException(pageContext, ex);
        throw new JspException(ex);
    }
}

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From source file:org.codehaus.groovy.grails.web.taglib.jsp.JspRenderInputTag.java

@Override
protected int doStartTagInternal() throws Exception {

    if (StringUtils.isBlank(property)) {
        throw new JspTagException("Tag [renderInput] missing required attribute [property]");
    }//  www .j  av a 2 s.  co  m
    if (StringUtils.isBlank(bean)) {
        throw new JspTagException("Tag [renderInput] missing required attribute [bean]");
    }
    if (!ExpressionEvaluationUtils.isExpressionLanguage(bean)) {
        throw new JspTagException("Attribute [bean] of tag [renderInput] must be a JSTL expression");
    }

    @SuppressWarnings("unused")
    Writer out = pageContext.getOut();
    try {
        Object beanInstance = ExpressionEvaluationUtils.evaluate("bean", bean, Object.class, pageContext);
        if (beanInstance == null) {
            throw new JspTagException("Bean [" + bean + "] referenced by tag [renderInput] cannot be null");
        }

        GrailsTagRegistry tagRegistry = GrailsTagRegistry.getInstance();
        Map<String, Object> tagContext = new HashMap<String, Object>();
        tagContext.put(GroovyPage.REQUEST, pageContext.getRequest());
        tagContext.put(GroovyPage.RESPONSE, pageContext.getResponse());
        tagContext.put(GroovyPage.SERVLET_CONTEXT, pageContext.getServletContext());
        RenderInputTag tag = (RenderInputTag) tagRegistry.newTag(RenderInputTag.TAG_NAME);
        tag.init(tagContext);
        tag.setBean(beanInstance);
        tag.setProperty(property);
        tag.doStartTag();
    } catch (InvalidPropertyException ipe) {
        throw new JspException("Attribute [property] with value [" + property
                + "] is not a valid property of bean [" + bean + "] in tag [renderInput]", ipe);
    }
    return SKIP_BODY;
}

---

From source file:org.displaytag.export.FopExportView.java

/**
 * Don't forget to enable debug if you want to see the raw FO.
 *
 * @param out output writer//from  w  w  w  . j a  va  2  s  . c om
 * @throws IOException Signals that an I/O exception has occurred.
 * @throws JspException the jsp exception
 */
@Override
public void doExport(OutputStream out) throws IOException, JspException {
    String xmlResults = getXml();

    FopFactory fopFactory = FopFactory.newInstance(new File(".").toURI());
    Source xslt = new StreamSource(getStyleSheet());
    TransformerFactory factory = TransformerFactory.newInstance();
    Transformer transformer;
    try {
        transformer = factory.newTransformer(xslt);
    } catch (TransformerConfigurationException e) {
        throw new JspException("Cannot configure pdf export " + e.getMessage(), e); //$NON-NLS-1$
    }

    boolean outputForDebug = log.isDebugEnabled();
    if (outputForDebug) {
        logXsl(xmlResults, transformer, null);
    }

    Fop fop;
    try {
        fop = fopFactory.newFop(org.apache.xmlgraphics.util.MimeConstants.MIME_PDF, out);
    } catch (FOPException e) {
        throw new JspException("Cannot configure pdf export " + e.getMessage(), e); //$NON-NLS-1$
    }

    StreamSource src = new StreamSource(new StringReader(xmlResults));
    Result res;
    try {
        res = new SAXResult(fop.getDefaultHandler());
    } catch (FOPException e) {
        throw new JspException("error setting up transform ", e); //$NON-NLS-1$
    }
    try {
        transformer.transform(src, res);
    } catch (TransformerException e) {
        if (e.getCause() instanceof ValidationException) {
            // recreate the errant fo
            ValidationException ve = (ValidationException) e.getCause();
            logXsl(xmlResults, transformer, ve);
        } else {
            throw new JspException("error creating pdf output", e); //$NON-NLS-1$
        }

    }
}

---

From source file:org.displaytag.export.FopExportView.java

/**
 * log it./*from   w  w w  .j a  v  a2  s . c  om*/
 * @param xmlResults raw
 * @param transformer the transformer
 * @param e the optional exception
 * @throws JspException wrapping an existing error
 */
protected void logXsl(String xmlResults, Transformer transformer, Exception e) throws JspException {
    StreamResult debugRes = new StreamResult(new StringWriter());
    StreamSource src = new StreamSource(new StringReader(xmlResults));
    try {
        transformer.transform(src, debugRes);
        if (e != null) {
            log.error("xslt-fo error " + e.getMessage(), e); //$NON-NLS-1$
            log.error("xslt-fo result of " + debugRes.getWriter()); //$NON-NLS-1$
            throw new JspException("Stylesheet produced invalid xsl-fo result", e); //$NON-NLS-1$
        } else {
            log.info("xslt-fo result of " + debugRes.getWriter()); //$NON-NLS-1$
        }
    } catch (TransformerException ee) {
        throw new JspException("error creating pdf output " + ee.getMessage(), ee); //$NON-NLS-1$
    }
}

---

From source file:org.displaytag.export.FopExportView.java

/**
 * If you are authoring a stylesheet locally, this is highly recommended as a way to test your stylesheet against
 * dummy data.//from   w ww. ja v  a2  s  . c  o  m
 *
 * @param xmlSrc xml as string
 * @param styleSheetPath the path to the stylesheet
 * @param f the f
 * @throws Exception if trouble
 */
public static void transform(String xmlSrc, String styleSheetPath, File f) throws Exception {

    FopFactory fopFactory = FopFactory.newInstance(new File(".").toURI());
    InputStream styleSheetStream = FopExportView.class.getResourceAsStream(styleSheetPath);

    Source xslt = new StreamSource(styleSheetStream);
    TransformerFactory factory = TransformerFactory.newInstance();
    Transformer transformer;
    try {
        transformer = factory.newTransformer(xslt);
    } catch (TransformerConfigurationException e) {
        throw new JspException("Cannot configure pdf export " + e.getMessage(), e); //$NON-NLS-1$
    }
    Fop fop;
    try {
        FileOutputStream fw = new FileOutputStream(f);
        fop = fopFactory.newFop(org.apache.xmlgraphics.util.MimeConstants.MIME_PDF, fw);
    } catch (FOPException e) {
        throw new JspException("Cannot configure pdf export " + e.getMessage(), e); //$NON-NLS-1$
    }

    Source src = new StreamSource(new StringReader(xmlSrc));
    Result res;
    try {
        res = new SAXResult(fop.getDefaultHandler());
    } catch (FOPException e) {
        throw new JspException("error setting up transform ", e); //$NON-NLS-1$
    }
    try {
        transformer.transform(src, res);
    } catch (TransformerException e) {
        throw new JspException("error creating pdf output " + e.getMessage(), e); //$NON-NLS-1$
    }
}

---

From source file:org.dspace.app.webui.jsptag.BrowseListTag.java

private String getScalingAttr(HttpServletRequest hrq, Bitstream bitstream) throws JspException {
    BufferedImage buf;//from  w w  w .java 2 s  .c  om

    try {
        Context c = UIUtil.obtainContext(hrq);

        InputStream is = BitstreamStorageManager.retrieve(c, bitstream.getID());

        //AuthorizeManager.authorizeAction(bContext, this, Constants.READ);
        //    read in bitstream's image
        buf = ImageIO.read(is);
        is.close();
    } catch (SQLException sqle) {
        throw new JspException(sqle.getMessage(), sqle);
    } catch (IOException ioe) {
        throw new JspException(ioe.getMessage(), ioe);
    }

    // now get the image dimensions
    float xsize = (float) buf.getWidth(null);
    float ysize = (float) buf.getHeight(null);

    // scale by x first if needed
    if (xsize > (float) thumbItemListMaxWidth) {
        // calculate scaling factor so that xsize * scale = new size (max)
        float scaleFactor = (float) thumbItemListMaxWidth / xsize;

        // now reduce x size and y size
        xsize = xsize * scaleFactor;
        ysize = ysize * scaleFactor;
    }

    // scale by y if needed
    if (ysize > (float) thumbItemListMaxHeight) {
        float scaleFactor = (float) thumbItemListMaxHeight / ysize;

        // now reduce x size
        // and y size
        xsize = xsize * scaleFactor;
        ysize = ysize * scaleFactor;
    }

    StringBuffer sb = new StringBuffer("width=\"").append(xsize).append("\" height=\"").append(ysize)
            .append("\"");

    return sb.toString();
}

---

From source file:org.dspace.app.webui.jsptag.BrowseListTag.java

private String getThumbMarkup(HttpServletRequest hrq, BrowseItem item) throws JspException {
    try {//from w  ww  .jav a2s.  c  o  m
        Context c = UIUtil.obtainContext(hrq);
        Thumbnail thumbnail = ItemService.getThumbnail(c, item.getID(), linkToBitstream);

        if (thumbnail == null) {
            return "";
        }
        StringBuffer thumbFrag = new StringBuffer();

        if (linkToBitstream) {
            Bitstream original = thumbnail.getOriginal();
            String link = hrq.getContextPath() + "/bitstream/" + item.getHandle() + "/"
                    + original.getSequenceID() + "/"
                    + UIUtil.encodeBitstreamName(original.getName(), Constants.DEFAULT_ENCODING);
            thumbFrag.append("<a target=\"_blank\" href=\"" + link + "\" />");
        } else {
            String link = hrq.getContextPath() + "/handle/" + item.getHandle();
            thumbFrag.append("<a href=\"" + link + "\" />");
        }

        Bitstream thumb = thumbnail.getThumb();
        String img = hrq.getContextPath() + "/retrieve/" + thumb.getID() + "/"
                + UIUtil.encodeBitstreamName(thumb.getName(), Constants.DEFAULT_ENCODING);
        String alt = thumb.getName();
        String scAttr = getScalingAttr(hrq, thumb);
        thumbFrag.append("<img src=\"").append(img).append("\" alt=\"").append(alt).append("\" ").append(scAttr)
                .append("/ border=\"0\"></a>");

        return thumbFrag.toString();
    } catch (SQLException sqle) {
        throw new JspException(sqle.getMessage(), sqle);
    } catch (UnsupportedEncodingException e) {
        throw new JspException("Server does not support DSpace's default encoding. ", e);
    }
}

---

From source file:org.dspace.app.webui.jsptag.ItemListTag.java

private String getScalingAttr(HttpServletRequest hrq, Bitstream bitstream) throws JspException {
    BufferedImage buf;//from w  w w.  j  ava 2 s . c  o  m

    try {
        Context c = UIUtil.obtainContext(hrq);

        InputStream is = BitstreamStorageManager.retrieve(c, bitstream.getID());

        //AuthorizeManager.authorizeAction(bContext, this, Constants.READ);
        //    read in bitstream's image
        buf = ImageIO.read(is);
        is.close();
    } catch (SQLException sqle) {
        throw new JspException(sqle.getMessage(), sqle);
    } catch (IOException ioe) {
        throw new JspException(ioe.getMessage(), ioe);
    }

    // now get the image dimensions
    float xsize = (float) buf.getWidth(null);
    float ysize = (float) buf.getHeight(null);

    // scale by x first if needed
    if (xsize > (float) thumbItemListMaxWidth) {
        // calculate scaling factor so that xsize * scale = new size (max)
        float scale_factor = (float) thumbItemListMaxWidth / xsize;

        // now reduce x size and y size
        xsize = xsize * scale_factor;
        ysize = ysize * scale_factor;
    }

    // scale by y if needed
    if (ysize > (float) thumbItemListMaxHeight) {
        float scale_factor = (float) thumbItemListMaxHeight / ysize;

        // now reduce x size
        // and y size
        xsize = xsize * scale_factor;
        ysize = ysize * scale_factor;
    }

    StringBuffer sb = new StringBuffer("width=\"").append(xsize).append("\" height=\"").append(ysize)
            .append("\"");

    return sb.toString();
}

---

From source file:org.dspace.app.webui.jsptag.ItemListTag.java

private String getThumbMarkup(HttpServletRequest hrq, Item item) throws JspException {
    try {//from   w w w  .j  a  v  a2s .c om
        Context c = UIUtil.obtainContext(hrq);
        Thumbnail thumbnail = ItemService.getThumbnail(c, item.getID(), linkToBitstream);

        if (thumbnail == null) {
            return "";
        }
        StringBuffer thumbFrag = new StringBuffer();

        if (linkToBitstream) {
            Bitstream original = thumbnail.getOriginal();
            String link = hrq.getContextPath() + "/bitstream/" + item.getHandle() + "/"
                    + original.getSequenceID() + "/"
                    + UIUtil.encodeBitstreamName(original.getName(), Constants.DEFAULT_ENCODING);
            thumbFrag.append("<a target=\"_blank\" href=\"" + link + "\" />");
        } else {
            String link = hrq.getContextPath() + "/handle/" + item.getHandle();
            thumbFrag.append("<a href=\"" + link + "\" />");
        }

        Bitstream thumb = thumbnail.getThumb();
        String img = hrq.getContextPath() + "/retrieve/" + thumb.getID() + "/"
                + UIUtil.encodeBitstreamName(thumb.getName(), Constants.DEFAULT_ENCODING);
        String alt = thumb.getName();
        String scAttr = getScalingAttr(hrq, thumb);
        thumbFrag.append("<img src=\"").append(img).append("\" alt=\"").append(alt).append("\" ").append(scAttr)
                .append("/ border=\"0\"></a>");

        return thumbFrag.toString();
    } catch (SQLException sqle) {
        throw new JspException(sqle.getMessage(), sqle);
    } catch (UnsupportedEncodingException e) {
        throw new JspException("Server does not support DSpace's default encoding. ", e);
    }
}

---

From source file:org.eclipse.sw360.portal.tags.OutTag.java

@Override
public int doStartTag() throws JspException {
    if (value instanceof String) {
        boolean abbreviated = false;
        String candidate = (String) this.value;
        String originalValue = candidate;
        if (maxChar > 4) {
            candidate = StringUtils.abbreviate(candidate, maxChar);
            if (!originalValue.equals(candidate)) {
                abbreviated = true;//from   w w  w.j a va  2  s.  co  m
            }
        }

        if (stripNewlines) {
            candidate = candidate.replaceAll("[\r\n]+", " ");
        }
        if ("'".equals(jsQuoting)) {
            candidate = escapeInSingleQuote(candidate);
        } else if ("\"".equals(jsQuoting)) {
            candidate = escapeInDoubleQuote(candidate);
        }
        this.value = candidate;

        if (abbreviated) {
            try {
                this.pageContext.getOut().write("<span title=\"" + escapeInDoubleQuote(originalValue) + "\">");
                int i = super.doStartTag();
                this.pageContext.getOut().write("</span>");
                return i;
            } catch (IOException e) {
                throw new JspException(e.toString(), e);
            }
        }
    }
    return super.doStartTag();
}

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