Use URLs for groovy template resources

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/groovy/template/GroovyTemplateAutoConfiguration.java

@@ -36,6 +36,7 @@ import org.springframework.boot.autoconfigure.groovy.template.web.GroovyTemplate
 import org.springframework.boot.autoconfigure.groovy.template.web.LocaleAwareTemplate;
 import org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.i18n.LocaleContextHolder;
@@ -70,7 +71,7 @@ public class GroovyTemplateAutoConfiguration {
 	public static class GroovyWebConfiguration implements BeanClassLoaderAware {
 
 		@Autowired
-		private final ResourceLoader resourceLoader = new DefaultResourceLoader();
+		private ApplicationContext resourceLoader;
 
 		@Autowired
 		private GroovyTemplateProperties properties;
@@ -95,11 +96,14 @@ public class GroovyTemplateAutoConfiguration {
 		}
 
 		private ClassLoader createParentLoaderForTemplates() throws Exception {
-			Resource resource = this.resourceLoader.getResource(this.properties
+			Resource[] resources = this.resourceLoader.getResources(this.properties
 					.getPrefix());
-			if (resource.exists()) {
-				return new URLClassLoader(new URL[] { resource.getURL() },
-						this.classLoader);
+			if (resources.length > 0) {
+				URL[] urls = new URL[resources.length];
+				for (int i = 0; i < resources.length; i++) {
+					urls[i] = resources[i].getURL();
+				}
+				return new URLClassLoader(urls, this.classLoader);
 			}
 			else {
 				return this.classLoader;
@@ -114,7 +118,6 @@ public class GroovyTemplateAutoConfiguration {
 			resolver.setSuffix(this.properties.getSuffix());
 			resolver.setCache(this.properties.isCache());
 			resolver.setContentType(this.properties.getContentType());
-			resolver.setCharSet(this.properties.getCharSet());
 			resolver.setViewNames(this.properties.getViewNames());
 			resolver.setTemplateEngine(engine);
 

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/groovy/template/web/GroovyTemplateViewResolver.java

@@ -20,7 +20,6 @@ import groovy.text.SimpleTemplateEngine;
 import groovy.text.Template;
 import groovy.text.TemplateEngine;
 
-import java.io.InputStreamReader;
 import java.util.Locale;
 
 import org.springframework.beans.propertyeditors.LocaleEditor;
@@ -36,8 +35,6 @@ public class GroovyTemplateViewResolver extends UrlBasedViewResolver {
 
 	private TemplateEngine engine = new SimpleTemplateEngine();
 
-	private String charSet = "UTF-8";
-
 	public GroovyTemplateViewResolver() {
 		setViewClass(GroovyTemplateView.class);
 	}
@@ -49,21 +46,13 @@ public class GroovyTemplateViewResolver extends UrlBasedViewResolver {
 		this.engine = engine;
 	}
 
-	/**
-	 * @param charSet the charSet to set
-	 */
-	public void setCharSet(String charSet) {
-		this.charSet = charSet;
-	}
-
 	@Override
 	protected View loadView(String viewName, Locale locale) throws Exception {
 		Resource resource = resolveResource(viewName, locale);
 		if (resource == null) {
 			return null;
 		}
-		Template template = this.engine.createTemplate(new InputStreamReader(resource
-				.getInputStream(), this.charSet));
+		Template template = this.engine.createTemplate(resource.getURL());
 		GroovyTemplateView view = new GroovyTemplateView(template);
 		view.setApplicationContext(getApplicationContext());
 		view.setServletContext(getServletContext());