Examples of org.apache.velocity.runtime.RuntimeInstance

org.apache.velocity.runtime.RuntimeInstance

This is the Runtime system for Velocity. It is the single access point for all functionality in Velocity. It adheres to the mediator pattern and is the only structure that developers need to be familiar with in order to get Velocity to perform. The Runtime will also cooperate with external systems like Turbine. Runtime properties can set and then the Runtime is initialized. Turbine, for example, knows where the templates are to be loaded from, and where the Velocity log file should be placed. So in the case of Velocity cooperating with Turbine the code might look something like the following:

 ri.setProperty(Runtime.FILE_RESOURCE_LOADER_PATH, templatePath); ri.setProperty(Runtime.RUNTIME_LOG, pathToVelocityLog); ri.init();

 ----------------------------------------------------------------------- N O T E S  O N  R U N T I M E  I N I T I A L I Z A T I O N ----------------------------------------------------------------------- init() If init() is called by itself the RuntimeInstance will initialize with a set of default values. ----------------------------------------------------------------------- init(String/Properties) In this case the default velocity properties are layed down first to provide a solid base, then any properties provided in the given properties object will override the corresponding default property. -----------------------------------------------------------------------

@author Jason van Zyl @author Jeff Bowden @author Geir Magusson Jr. @version $Id: RuntimeInstance.java 703049 2008-10-09 03:18:58Z nbubna $

            throws Exception
    {
        Method verifyMethod = TestInterface.class.getMethod("getTestValue", new Class[0]);




        RuntimeInstance ri = new RuntimeInstance();
        Introspector introspector = ri.getIntrospector();


        Method testMethod = introspector.getMethod(TestObject.class, "getTestValue", new Object[0]);
        assertNotNull(testMethod);
        assertEquals("Method object does not match!", verifyMethod, testMethod);
    }

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    }
    
    public void setUp()
            throws Exception
    {
        ri = new RuntimeInstance();
        ri.init();
    }

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        initVelocityRuntime();
    }


    private static void initVelocityRuntime() {
        // init static velocity engine
        sharedRuntime = new RuntimeInstance();


        // set null logger
        sharedRuntime.addProperty(
                RuntimeConstants.RUNTIME_LOG_LOGSYSTEM,
                new NullLogSystem());

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    velocityContext.put("StringUtils", StringUtils.class);
  }


  protected String velocify(String template) throws EmailException {
    try {
      RuntimeInstance runtime = args.velocityRuntime;
      String templateName = "OutgoingEmail";
      SimpleNode tree = runtime.parse(new StringReader(template), templateName);
      InternalContextAdapterImpl ica = new InternalContextAdapterImpl(velocityContext);
      ica.pushCurrentTemplateName(templateName);
      try {
        tree.init(ica, runtime);
        StringWriter w = new StringWriter();

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    }
  }


  protected String velocifyFile(String name) throws EmailException {
    try {
      RuntimeInstance runtime = args.velocityRuntime;
      if (runtime.getLoaderNameForResource(name) == null) {
        name = "com/google/gerrit/server/mail/" + name;
      }
      Template template = runtime.getTemplate(name, "UTF-8");
      StringWriter w = new StringWriter();
      template.merge(velocityContext, w);
      return w.toString();
    } catch (EmailException e) {
      throw e;

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    } else {
      p.setProperty(rl, "class");
      p.setProperty("class." + rl + ".class", pkg + ".ClasspathResourceLoader");
    }


    RuntimeInstance ri = new RuntimeInstance();
    try {
      ri.init(p);
    } catch (Exception err) {
      throw new ProvisionException("Cannot configure Velocity templates", err);
    }
    return ri;
  }

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      throws Exception
    {
  Method verifyMethod = TestInterface.class.getMethod("getTestValue", new Class[0]);
  
  
  RuntimeInstance ri = new RuntimeInstance();
  Introspector introspector = ri.getIntrospector();
  
  Method testMethod = introspector.getMethod(TestObject.class, "getTestValue", new Object[0]);
  assertNotNull(testMethod);
  assertEquals("Method object does not match!", verifyMethod, testMethod);
    }

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    private RuntimeInstance instance;


    public void setUp() throws Exception 
    {
        this.instance = new RuntimeInstance();
        this.instance.setProperty(RuntimeConstants.VM_CONTEXT_LOCALSCOPE, Boolean.TRUE);
        this.instance.init();
    }

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        initVelocityRuntime();
    }


    private static void initVelocityRuntime() {
        // init static velocity engine
        sharedRuntime = new RuntimeInstance();


        // set null logger
        sharedRuntime.addProperty(
                RuntimeConstants.RUNTIME_LOG_LOGSYSTEM,
                new NullLogSystem());

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        initVelocityRuntime();
    }


    private static void initVelocityRuntime() {
        // init static velocity engine
        sharedRuntime = new RuntimeInstance();


        // set null logger
        sharedRuntime.addProperty(
                RuntimeConstants.RUNTIME_LOG_LOGSYSTEM,
                new NullLogSystem());

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