Examples with Template org.apache.velocity.Template used on opensource projects

Example 81 with Template

use of org.apache.velocity.Template in project carbon-apimgt by wso2.

the class GatewaySourceGeneratorImpl method getEndpointConfigStringFromTemplate.

@Override
public String getEndpointConfigStringFromTemplate(Endpoint endpoint) throws APITemplateException {
    StringWriter writer = new StringWriter();
    String templatePath = "resources" + File.separator + "template" + File.separator + "endpoint.xml";
    try {
        // build the context for template and apply the necessary decorators
        ConfigContext configcontext = new EndpointContext(endpoint, packageName);
        VelocityContext context = configcontext.getContext();
        VelocityEngine velocityengine = new VelocityEngine();
        velocityengine.setProperty(RuntimeConstants.RESOURCE_LOADER, "classpath");
        velocityengine.setProperty("classpath.resource.loader.class", ClasspathResourceLoader.class.getName());
        velocityengine.init();
        Template template = velocityengine.getTemplate(templatePath);
        template.merge(context, writer);
    } catch (ResourceNotFoundException e) {
        log.error("Template " + templatePath + " not Found", e);
        throw new APITemplateException("Template " + templatePath + " not Found", ExceptionCodes.TEMPLATE_EXCEPTION);
    } catch (ParseErrorException e) {
        log.error("Syntax error in " + templatePath, e);
        throw new APITemplateException("Syntax error in " + templatePath, ExceptionCodes.TEMPLATE_EXCEPTION);
    }
    return writer.toString();
}

Example 82 with Template

use of org.apache.velocity.Template in project carbon-apimgt by wso2.

the class APIThrottlePolicyTemplateBuilder method getThrottlePolicyTemplateForAPILevelDefaultCondition.

/**
 * Generate default policy for api level throttling
 *
 * @return throttle policies for default api
 * @throws APITemplateException throws if generation failure occur
 */
public String getThrottlePolicyTemplateForAPILevelDefaultCondition() throws APITemplateException {
    if (log.isDebugEnabled()) {
        log.debug("Generating Siddhi App for apiLevel :" + apiPolicy.toString());
    }
    // get velocity template for API policy and generate the template
    Set<String> conditionsSet = new HashSet<String>();
    List<Pipeline> pipelines = apiPolicy.getPipelines();
    VelocityEngine velocityengine = initVelocityEngine();
    Template template = velocityengine.getTemplate(getTemplatePathForAPIDefaultPolicy());
    StringWriter writer;
    VelocityContext context;
    // when APIPolicy contains pipelines, get template as a string
    if (pipelines != null) {
        for (Pipeline pipeline : pipelines) {
            String conditionString = getPolicyConditionForDefault(pipeline.getConditions());
            if (!StringUtils.isEmpty(conditionString)) {
                conditionsSet.add(conditionString);
            }
        }
    }
    // for default API policy
    context = new VelocityContext();
    setConstantContext(context);
    // default policy is defined as 'elseCondition' , set values for velocity context
    context.put(PIPELINE, ELSE_CONDITION);
    context.put(PIPELINE_ITEM, null);
    context.put(POLICY, apiPolicy);
    context.put(QUOTA_POLICY, apiPolicy.getDefaultQuotaPolicy());
    String conditionSetString = getConditionForDefault(conditionsSet);
    if (!StringUtils.isEmpty(conditionSetString)) {
        context.put(CONDITION, AND + conditionSetString);
    } else {
        context.put(CONDITION, EMPTY_STRING);
    }
    writer = new StringWriter();
    template.merge(context, writer);
    if (log.isDebugEnabled()) {
        log.debug("Generated Siddhi App : " + writer.toString());
    }
    return writer.toString();
}

Example 83 with Template

use of org.apache.velocity.Template in project carbon-apimgt by wso2.

the class ApplicationThrottlePolicyTemplateBuilder method getThrottlePolicyForAppLevel.

/**
 * Generate application level policy.
 *
 * @return throttle policies for app level
 * @throws APITemplateException throws if generation failure occur
 */
public String getThrottlePolicyForAppLevel() throws APITemplateException {
    if (log.isDebugEnabled()) {
        log.debug("Generating Siddhi app for appLevel :" + applicationPolicy.toString());
    }
    // get velocity template for Application policy and generate the template
    StringWriter writer = new StringWriter();
    VelocityEngine velocityengine = initVelocityEngine();
    Template template = velocityengine.getTemplate(getTemplatePathForApplication());
    VelocityContext context = new VelocityContext();
    setConstantContext(context);
    // set values for velocity context
    context.put(POLICY, applicationPolicy);
    context.put(QUOTA_POLICY, applicationPolicy.getDefaultQuotaPolicy());
    template.merge(context, writer);
    if (log.isDebugEnabled()) {
        log.debug("Generated Siddhi app for policy : " + writer.toString());
    }
    return writer.toString();
}

Example 84 with Template

use of org.apache.velocity.Template in project carbon-apimgt by wso2.

the class ContainerBasedGatewayTemplateBuilder method generateTemplate.

/**
 * Generate template for given template values
 *
 * @param templateValues Template values
 * @param template       Template
 * @return template as a String
 */
public String generateTemplate(Map<String, String> templateValues, String template) {
    StringWriter writer = new StringWriter();
    VelocityEngine velocityengine = initVelocityEngine();
    String templateLocation = cmsTemplateLocation + template;
    Template generateTemplate = velocityengine.getTemplate(templateLocation);
    VelocityContext context = setVelocityContextValues(templateValues);
    generateTemplate.merge(context, writer);
    return writer.toString();
}

Example 85 with Template

use of org.apache.velocity.Template in project Gargoyle by callakrsos.

the class Mailer method sendMail.

public void sendMail(SenderMailInfo mailSenderInfo, Mail mail, VelocityContext velocityContext) throws Exception {
    if (this.mailUseYn != null) {
        if ("N".equals(this.mailUseYn)) {
            throw new Exception("Mail Serivce's configuration is not set useYn Y ");
        }
    }
    String _encoding = MailConst.MAILER_DEFAULT_ENCODING;
    SimpleMailMessage message = new SimpleMailMessage();
    if (mail.getMailFrom() != null) {
        message.setFrom(mail.getMailFrom());
    } else if (ValueUtil.isNotEmpty(mailFrom)) {
        message.setFrom(mailFrom);
    } else {
        String fromAddr = ResourceLoader.getInstance().get("mail.from.address");
        message.setFrom(fromAddr);
    }
    message.setTo(mail.getMailTo());
    if (mail.getMailSubject() != null) {
        message.setSubject(mail.getMailSubject());
    } else {
        message.setSubject(this.mailTitle);
    }
    if (encoding != null)
        _encoding = encoding;
    if (mailSenderInfo != null) {
        String sendUserId = mailSenderInfo.getSendUserId();
        String sendUserPassword = mailSenderInfo.getSendUserPassword();
        if (ValueUtil.isEmpty(sendUserId) || ValueUtil.isEmpty(sendUserPassword)) {
            throw new IllegalArgumentException("user id or password is empty...");
        }
        mailSender.setUsername(sendUserId);
        mailSender.setPassword(sendUserPassword);
    }
    // MailUtil.getTemplate(velocityEngine,mail.getTemplateName(),this.mailTemplate);
    Template template = MailUtil.getTemplateFromFile(mailTemplate);
    template.setEncoding(_encoding);
    StringWriter stringWriter = new StringWriter();
    template.merge(velocityContext, stringWriter);
    message.setText(stringWriter.toString());
    // MimeMessage createMimeMessage = mailSender.createMimeMessage();
    // createMimeMessage.addHeader("text/html", stringWriter.toString());
    mailSender.send(message);
}