Ejemplo n.º 1
0
 /**
  * Add an adaptor for a kind of object so ST knows how to pull properties from them. Add adaptors
  * in increasing order of specificity. ST adds Object, Map, and ST model adaptors for you first.
  * Adaptors you add have priority over default adaptors.
  *
  * <p>If an adaptor for type T already exists, it is replaced by the adaptor arg.
  *
  * <p>This must invalidate cache entries, so set your adaptors up before render()ing your
  * templates for efficiency.
  */
 public void registerModelAdaptor(Class attributeType, ModelAdaptor adaptor) {
   if (attributeType.isPrimitive()) {
     throw new IllegalArgumentException(
         "can't register ModelAdaptor for primitive type " + attributeType.getSimpleName());
   }
   adaptors.put(attributeType, adaptor);
   invalidateModelAdaptorCache(attributeType);
 }
Ejemplo n.º 2
0
 /**
  * Register a renderer for all objects of a particular "kind" for all templates evaluated relative
  * to this group. Use r to render if object in question is instanceof(attributeType).
  */
 public void registerRenderer(Class attributeType, AttributeRenderer r) {
   if (attributeType.isPrimitive()) {
     throw new IllegalArgumentException(
         "can't register renderer for primitive type " + attributeType.getSimpleName());
   }
   typeToAdaptorCache.clear(); // be safe, not clever; wack all values
   if (renderers == null) {
     renderers = Collections.synchronizedMap(new LinkedHashMap<Class, AttributeRenderer>());
   }
   renderers.put(attributeType, r);
 }
Ejemplo n.º 3
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  public ModelAdaptor getModelAdaptor(Class attributeType) {
    ModelAdaptor a = typeToAdaptorCache.get(attributeType);
    if (a != null) return a;

    // System.out.println("looking for adaptor for "+attributeType);
    // Else, we must find adaptor that fits;
    // find last fit (most specific)
    for (Class t : adaptors.keySet()) {
      // t works for attributeType if attributeType subclasses t or implements
      // System.out.println("checking "+t.getSimpleName()+" against "+attributeType);
      if (t.isAssignableFrom(attributeType)) {
        // System.out.println(t.getName()+" = "+attributeType.getName());
        a = adaptors.get(t);
      }
    }
    // System.out.println("adaptor for "+attributeType+" is "+a);
    typeToAdaptorCache.put(attributeType, a); // cache it for next time
    return a;
  }
Ejemplo n.º 4
0
  public AttributeRenderer getAttributeRenderer(Class attributeType) {
    if (renderers == null) return null;
    AttributeRenderer r = null;
    if (typeToRendererCache != null) {
      r = typeToRendererCache.get(attributeType);
      if (r != null) return r;
    }

    // Else look up, finding first first
    for (Class t : renderers.keySet()) {
      // t works for attributeType if attributeType subclasses t or implements
      if (t.isAssignableFrom(attributeType)) {
        r = renderers.get(t);
        if (typeToRendererCache == null) {
          typeToRendererCache =
              Collections.synchronizedMap(new LinkedHashMap<Class, AttributeRenderer>());
        }
        typeToRendererCache.put(attributeType, r);
        return r;
      }
    }
    return null;
  }