TemplateModel

All Known Subinterfaces:

AdapterTemplateModel, LazilyEvaluatableArguments, Scope, TemplateBooleanModel, TemplateCollectionModel, TemplateDateModel, TemplateDirectiveModel, TemplateHashModel, TemplateHashModelEx, TemplateMethodModel, TemplateMethodModelEx, TemplateNodeModel, TemplateNumberModel, TemplateScalarModel, TemplateSequenceModel, TemplateTransformModel

All Known Implementing Classes:

AbstractScope, BaseScope, BlockScope, Configuration, Environment, IncludedTemplateNamespace, LocalizedString, LoopContext, MacroContext, MacroInvocationBodyContext, ResourceBundleLocalizedString, SimpleCollection, SimpleDate, SimpleHash, SimpleList, SimpleNumber, SimpleScalar, SimpleSequence, TemplateModel.InvalidExpressionModel, TemplateModel.JavaNull, TemplateModelListSequence, TemplateNamespace
```
public interface TemplateModel
```
This is a marker interface that indicates that an object can be put in a template's data model.

See Also:

TemplateHashModel, TemplateSequenceModel, TemplateCollectionModel, TemplateScalarModel, TemplateNumberModel, TemplateTransformModel

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class TemplateModel.InvalidExpressionModel

static class TemplateModel.JavaNull
The type of the JAVA_NULL object.

Field Summary

Fields
Modifier and Type	Field	Description
`static TemplateModel`	`INVALID_EXPRESSION`	A singleton value used to represent the result of an invalid expression, such as 1 - "3"
`static TemplateModel`	`JAVA_NULL`	A singleton value used to represent a java null which comes from a wrapped Java API, for example, i.e.
`static TemplateModel`	`NOTHING`	Deprecated. Try not to use this.

- Field Detail
  - NOTHING
```
static final TemplateModel NOTHING
```
    Deprecated.
    Try not to use this.
    
    A general-purpose object to represent nothing. It acts as an empty string, false, empty sequence, empty hash, and null-returning method model. It is useful if you want to simulate typical loose scripting language sorts of behaviors in your templates.
  - JAVA_NULL
```
static final TemplateModel JAVA_NULL
```
    A singleton value used to represent a java null which comes from a wrapped Java API, for example, i.e. is intentional. A null that comes from a generic container like a map is assumed to be unintentional and a result of programming error.
  - INVALID_EXPRESSION
```
static final TemplateModel INVALID_EXPRESSION
```
    A singleton value used to represent the result of an invalid expression, such as 1 - "3"