Examples with WebappTemplateLoader freemarker.cache.WebappTemplateLoader used on opensource projects

Example 1 with WebappTemplateLoader

use of freemarker.cache.WebappTemplateLoader in project freemarker by apache.

the class InitParamParser method createTemplateLoader.

static TemplateLoader createTemplateLoader(String templatePath, Configuration cfg, Class classLoaderClass, ServletContext srvCtx) throws IOException {
    final int settingAssignmentsStart = findTemplatePathSettingAssignmentsStart(templatePath);
    String pureTemplatePath = (settingAssignmentsStart == -1 ? templatePath : templatePath.substring(0, settingAssignmentsStart)).trim();
    final TemplateLoader templateLoader;
    if (pureTemplatePath.startsWith(TEMPLATE_PATH_PREFIX_CLASS)) {
        String packagePath = pureTemplatePath.substring(TEMPLATE_PATH_PREFIX_CLASS.length());
        packagePath = normalizeToAbsolutePackagePath(packagePath);
        templateLoader = new ClassTemplateLoader(classLoaderClass, packagePath);
    } else if (pureTemplatePath.startsWith(TEMPLATE_PATH_PREFIX_CLASSPATH)) {
        // To be similar to Spring resource paths, we don't require "//":
        String packagePath = pureTemplatePath.substring(TEMPLATE_PATH_PREFIX_CLASSPATH.length());
        packagePath = normalizeToAbsolutePackagePath(packagePath);
        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        if (classLoader == null) {
            LOG.warn("No Thread Context Class Loader was found. Falling back to the class loader of " + classLoaderClass.getName() + ".");
            classLoader = classLoaderClass.getClassLoader();
        }
        templateLoader = new ClassTemplateLoader(classLoader, packagePath);
    } else if (pureTemplatePath.startsWith(TEMPLATE_PATH_PREFIX_FILE)) {
        String filePath = pureTemplatePath.substring(TEMPLATE_PATH_PREFIX_FILE.length());
        templateLoader = new FileTemplateLoader(new File(filePath));
    } else if (pureTemplatePath.startsWith("[") && cfg.getIncompatibleImprovements().intValue() >= _TemplateAPI.VERSION_INT_2_3_22) {
        if (!pureTemplatePath.endsWith("]")) {
            // B.C. constraint: Can't throw any checked exceptions.
            throw new TemplatePathParsingException("Failed to parse template path; closing \"]\" is missing.");
        }
        String commaSepItems = pureTemplatePath.substring(1, pureTemplatePath.length() - 1).trim();
        List listItems = parseCommaSeparatedTemplatePaths(commaSepItems);
        TemplateLoader[] templateLoaders = new TemplateLoader[listItems.size()];
        for (int i = 0; i < listItems.size(); i++) {
            String pathItem = (String) listItems.get(i);
            templateLoaders[i] = createTemplateLoader(pathItem, cfg, classLoaderClass, srvCtx);
        }
        templateLoader = new MultiTemplateLoader(templateLoaders);
    } else if (pureTemplatePath.startsWith("{") && cfg.getIncompatibleImprovements().intValue() >= _TemplateAPI.VERSION_INT_2_3_22) {
        throw new TemplatePathParsingException("Template paths starting with \"{\" are reseved for future purposes");
    } else {
        templateLoader = new WebappTemplateLoader(srvCtx, pureTemplatePath);
    }
    if (settingAssignmentsStart != -1) {
        try {
            int nextPos = _ObjectBuilderSettingEvaluator.configureBean(templatePath, templatePath.indexOf('(', settingAssignmentsStart) + 1, templateLoader, _SettingEvaluationEnvironment.getCurrent());
            if (nextPos != templatePath.length()) {
                throw new TemplatePathParsingException("Template path should end after the setting list in: " + templatePath);
            }
        } catch (Exception e) {
            throw new TemplatePathParsingException("Failed to set properties in: " + templatePath, e);
        }
    }
    return templateLoader;
}

Example 2 with WebappTemplateLoader

use of freemarker.cache.WebappTemplateLoader in project freemarker by apache.

the class TemplateNotFoundMessageTest method testMultiTemplateLoader.

@Test
public void testMultiTemplateLoader() throws IOException {
    final String errMsg = failWith(new MultiTemplateLoader(new TemplateLoader[] { new WebappTemplateLoader(new MockServletContext(), "WEB-INF/templates"), new ClassTemplateLoader(this.getClass(), "foo/bar") }));
    showErrorMessage(errMsg);
    assertThat(errMsg, containsString("MultiTemplateLoader"));
    assertThat(errMsg, containsString("WebappTemplateLoader"));
    assertThat(errMsg, containsString("MyApp"));
    assertThat(errMsg, containsString("WEB-INF/templates"));
    assertThat(errMsg, containsString("ClassTemplateLoader"));
    assertThat(errMsg, containsString("foo/bar"));
}

Example 3 with WebappTemplateLoader

use of freemarker.cache.WebappTemplateLoader in project drill by axbaretto.

the class DrillRestServer method getFreemarkerConfiguration.

/**
 * Creates freemarker configuration settings,
 * default output format to trigger auto-escaping policy
 * and template loaders.
 *
 * @param servletContext servlet context
 * @return freemarker configuration settings
 */
private Configuration getFreemarkerConfiguration(ServletContext servletContext) {
    Configuration configuration = new Configuration(Configuration.VERSION_2_3_26);
    configuration.setOutputFormat(HTMLOutputFormat.INSTANCE);
    List<TemplateLoader> loaders = new ArrayList<>();
    loaders.add(new WebappTemplateLoader(servletContext));
    loaders.add(new ClassTemplateLoader(DrillRestServer.class, "/"));
    try {
        loaders.add(new FileTemplateLoader(new File("/")));
    } catch (IOException e) {
        logger.error("Could not set up file template loader.", e);
    }
    configuration.setTemplateLoader(new MultiTemplateLoader(loaders.toArray(new TemplateLoader[loaders.size()])));
    return configuration;
}

Example 4 with WebappTemplateLoader

use of freemarker.cache.WebappTemplateLoader in project freemarker by apache.

the class TemplateNotFoundMessageTest method testWebappTemplateLoader.

@Test
public void testWebappTemplateLoader() throws IOException {
    final String errMsg = failWith(new WebappTemplateLoader(new MockServletContext(), "WEB-INF/templates"));
    showErrorMessage(errMsg);
    assertThat(errMsg, containsString("WebappTemplateLoader"));
    assertThat(errMsg, containsString("MyApp"));
    assertThat(errMsg, containsString("WEB-INF/templates"));
}

Example 5 with WebappTemplateLoader

use of freemarker.cache.WebappTemplateLoader in project drill by apache.

the class DrillRestServer method getFreemarkerConfiguration.

/**
 * Creates freemarker configuration settings,
 * default output format to trigger auto-escaping policy
 * and template loaders.
 *
 * @param servletContext servlet context
 * @return freemarker configuration settings
 */
private Configuration getFreemarkerConfiguration(ServletContext servletContext) {
    Configuration configuration = new Configuration(Configuration.VERSION_2_3_26);
    configuration.setOutputFormat(HTMLOutputFormat.INSTANCE);
    List<TemplateLoader> loaders = new ArrayList<>();
    loaders.add(new WebappTemplateLoader(servletContext));
    loaders.add(new ClassTemplateLoader(DrillRestServer.class, "/"));
    try {
        loaders.add(new FileTemplateLoader(new File("/")));
    } catch (IOException e) {
        logger.error("Could not set up file template loader.", e);
    }
    configuration.setTemplateLoader(new MultiTemplateLoader(loaders.toArray(new TemplateLoader[loaders.size()])));
    return configuration;
}