Package groovy.text.markup
Class MarkupTemplateEngine.CachingTemplateResolver
- java.lang.Object
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- groovy.text.markup.MarkupTemplateEngine.DefaultTemplateResolver
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- groovy.text.markup.MarkupTemplateEngine.CachingTemplateResolver
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- All Implemented Interfaces:
TemplateResolver
- Enclosing class:
- MarkupTemplateEngine
public static class MarkupTemplateEngine.CachingTemplateResolver extends MarkupTemplateEngine.DefaultTemplateResolver
A template resolver which avoids callingClassLoader.getResource(String)if a template path already has been queried before. This improves performance if caching is enabled in the configuration.
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Constructor Summary
Constructors Constructor Description CachingTemplateResolver()Creates a new caching template resolver using a concurrent hash map as the backing cache.CachingTemplateResolver(java.util.Map<java.lang.String,java.net.URL> cache)Creates a new caching template resolver.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidconfigure(java.lang.ClassLoader templateClassLoader, TemplateConfiguration configuration)This method is called once the template engine is initialized, providing the resolver with the template engine configuration and its template class loader.java.net.URLresolveTemplate(java.lang.String templatePath)Resolvers must implement this method in order to resolve a template, given a template path.
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Constructor Detail
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CachingTemplateResolver
public CachingTemplateResolver(java.util.Map<java.lang.String,java.net.URL> cache)
Creates a new caching template resolver. The cache implementation being used depends on the use of the template engine. If multiple templates can be rendered in parallel, it must be using a thread-safe cache.- Parameters:
cache- the backing cache
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CachingTemplateResolver
public CachingTemplateResolver()
Creates a new caching template resolver using a concurrent hash map as the backing cache.
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Method Detail
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configure
public void configure(java.lang.ClassLoader templateClassLoader, TemplateConfiguration configuration)Description copied from interface:TemplateResolverThis method is called once the template engine is initialized, providing the resolver with the template engine configuration and its template class loader.- Specified by:
configurein interfaceTemplateResolver- Overrides:
configurein classMarkupTemplateEngine.DefaultTemplateResolver- Parameters:
templateClassLoader- the classloader where templates will be searched forconfiguration- the configuration of the template engine
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resolveTemplate
public java.net.URL resolveTemplate(java.lang.String templatePath) throws java.io.IOExceptionDescription copied from interface:TemplateResolverResolvers must implement this method in order to resolve a template, given a template path. They must return a valid URL or an IOException.- Specified by:
resolveTemplatein interfaceTemplateResolver- Overrides:
resolveTemplatein classMarkupTemplateEngine.DefaultTemplateResolver- Parameters:
templatePath- path to the template- Returns:
- the template URL, that will be used to load the template
- Throws:
java.io.IOException
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