Class Template
- java.lang.Object
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- com.google.auto.value.processor.escapevelocity.Template
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public class Template extends Object
A template expressed in EscapeVelocity, a subset of the Velocity Template Language (VTL) from Apache. The intent of this implementation is that if a template is accepted and successfully produces output, that output will be identical to what Velocity would have produced for the same template and input variables.- Author:
- emcmanus@google.com (Éamonn McManus)
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Nested Class Summary
Nested Classes Modifier and Type Class Description static interface
Template.ResourceOpener
Used to resolve references to resources in the template, through#parse
directives.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description String
evaluate(Map<String,?> vars)
Evaluate the given template with the given initial set of variables.static Template
parseFrom(Reader reader)
Parses a VTL template from the givenReader
.static Template
parseFrom(String resourceName, Template.ResourceOpener resourceOpener)
Parse a VTL template of the given name using the givenResourceOpener
.
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Method Detail
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parseFrom
public static Template parseFrom(Reader reader) throws IOException
Parses a VTL template from the givenReader
. The given Reader will be closed on return from this method.- Throws:
IOException
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parseFrom
public static Template parseFrom(String resourceName, Template.ResourceOpener resourceOpener) throws IOException
Parse a VTL template of the given name using the givenResourceOpener
.- Parameters:
resourceName
- name of the resource. May be null.resourceOpener
- used to open included files for#parse
directives in the template.- Throws:
IOException
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evaluate
public String evaluate(Map<String,?> vars)
Evaluate the given template with the given initial set of variables.- Parameters:
vars
- a map where the keys are variable names and the values are the corresponding variable values. For example, if"x"
maps to 23, then$x
in the template will expand to 23.- Returns:
- the string result of evaluating the template.
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