Examples with TemplateModelException freemarker.template.TemplateModelException used on opensource projects

Example 81 with TemplateModelException

use of freemarker.template.TemplateModelException in project graylog2-server by Graylog2.

the class IndentTemplateDirective method execute.

@Override
public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) throws TemplateException, IOException {
    int countParam = 0;
    // Check if no parameters were given:
    if (params.size() != 1) {
        throw new TemplateModelException("Provide 'count' parameter to use the @indent directive.");
    }
    if (loopVars.length != 0) {
        throw new TemplateModelException("This directive doesn't allow loop variables.");
    }
    for (Object entry : params.entrySet()) {
        Map.Entry parameter = (Map.Entry) entry;
        String paramName = (String) parameter.getKey();
        TemplateModel paramValue = (TemplateModel) parameter.getValue();
        if (paramName.equals(PARAM_NAME_COUNT)) {
            if (!(paramValue instanceof TemplateNumberModel)) {
                throw new TemplateModelException("Parameter '" + PARAM_NAME_COUNT + "' must be a number.");
            }
            countParam = ((TemplateNumberModel) paramValue).getAsNumber().intValue();
            if (countParam < 0) {
                throw new TemplateModelException("Parameter '" + PARAM_NAME_COUNT + "' can't be negative.");
            }
        }
    }
    // If there is non-empty nested content:
    if (body != null) {
        // Executes the nested body. Same as <#nested> in FTL, except
        // that we use our own writer instead of the current output writer.
        body.render(new IndentFilterWriter(countParam, env.getOut()));
    } else {
        throw new RuntimeException("Body is missing");
    }
}

Example 82 with TemplateModelException

use of freemarker.template.TemplateModelException in project wombat by PLOS.

the class ArticleExcerptTransformDirective method getValue.

@Override
protected String getValue(Environment env, Map params) throws TemplateModelException, IOException {
    Object xmlParam = params.get("xml");
    if (!(xmlParam instanceof TemplateScalarModel)) {
        throw new TemplateModelException("xml param must be a non-null string");
    }
    String xml = ((TemplateScalarModel) xmlParam).getAsString();
    boolean isTextOnly = TemplateModelUtil.getBooleanValue((TemplateModel) params.get("textOnly"));
    if (isTextOnly) {
        return StringEscapeUtils.escapeHtml(XmlUtil.extractText(xml));
    }
    Site site = new SitePageContext(siteResolver, env).getSite();
    Transformer transformer = SITE_TRANSFORMER_FACTORY.build(site);
    StringWriter html = new StringWriter();
    try {
        transformer.transform(new StreamSource(new StringReader(xml)), new StreamResult(html));
    } catch (TransformerException e) {
        throw new RuntimeException(e);
    }
    return html.toString();
}

Example 83 with TemplateModelException

use of freemarker.template.TemplateModelException in project wombat by PLOS.

the class FetchHtmlDirective method execute.

@Override
public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) throws TemplateException, IOException {
    Object typeObj = params.get("type");
    if (typeObj == null) {
        throw new TemplateModelException("type parameter required");
    }
    Object pathObj = params.get("path");
    if (pathObj == null) {
        throw new TemplateModelException("path parameter required");
    }
    String pageType = typeObj.toString();
    Set<HtmlElementTransformation> transformations = ELEMENT_TRANSFORMS.get(pageType);
    if (transformations == null) {
        throw new TemplateModelException(String.format("type parameter '%s' is invalid.", pageType));
    }
    ImmutableList<HtmlElementSubstitution> substitutions = HtmlElementSubstitution.buildList(body, SUBST_ATTR_NAME);
    SitePageContext sitePageContext = new SitePageContext(siteResolver, env);
    try (Reader html = editorialContentApi.readHtml(sitePageContext, pageType, pathObj.toString(), transformations, substitutions)) {
        IOUtils.copy(html, env.getOut());
    } catch (EntityNotFoundException e) {
        // TODO: Allow themes to provide custom, user-visible error blocks
        log.error("Could not retrieve HTML of type \"{}\" at path \"{}\"", typeObj, pathObj);
    }
}

Example 84 with TemplateModelException

use of freemarker.template.TemplateModelException in project wombat by PLOS.

the class BuildInfoDirective method getValue.

@Override
protected Object getValue(Environment env, Map params) throws TemplateException, IOException {
    String component = params.get("component").toString();
    BuildInfo info;
    switch(component) {
        case "webapp":
            info = buildInfoService.getWebappBuildInfo();
            break;
        case "service":
            info = buildInfoService.getServiceBuildInfo();
            break;
        default:
            throw new TemplateModelException("component required");
    }
    final Object value;
    if (info == null) {
        value = null;
    } else {
        String field = params.get("field").toString();
        switch(field) {
            case "version":
                value = info.getVersion();
                break;
            case "date":
                value = info.getDate();
                break;
            case "user":
                value = info.getUser();
                break;
            case "commitIdAbbrev":
                value = info.getGitCommitIdAbbrev();
                break;
            case "enabledDevFeatures":
                value = info.getEnabledDevFeatures();
                break;
            default:
                throw new TemplateModelException("field required");
        }
    }
    return (value != null) ? value : "?";
}

Example 85 with TemplateModelException

use of freemarker.template.TemplateModelException in project wombat by PLOS.

the class Iso8601DateDirective method execute.

/**
 * {@inheritDoc}
 */
@Override
public void execute(Environment environment, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) throws TemplateException, IOException {
    if (params.get("date") == null) {
        throw new TemplateModelException("date parameter is required");
    }
    String jsonDate = params.get("date").toString();
    if (params.get("format") == null) {
        throw new TemplateModelException("format parameter is required");
    }
    DateTimeFormatter format = DateTimeFormatter.ofPattern(params.get("format").toString());
    String formattedDate = (jsonDate.length() <= 10) ? LocalDate.parse(jsonDate).format(format) : Instant.parse(jsonDate).atZone(GMT).format(format);
    environment.getOut().write(formattedDate);
}