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Trim some fat from groovy templates 

The old resolver class is deprecated already, and there's no reason
to continue to support the View and View resolver implementations
from Boot 1.1, so I removed those. Also there is no need to support
older versions of Groovy, so I removed a config class that was
conditional on a groovy version (by looking for the markup support).

Fixes gh-1578
pull/1815/head
Dave Syer 11 years ago
parent
18b8929335
commit
3e97cdbc3b
3 changed files with 2 additions and 221 deletions
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  1. 69
      spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/groovy/template/GroovyTemplateAutoConfiguration.java
  2. 64
      spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/groovy/template/web/GroovyTemplateView.java
  3. 90
      spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/groovy/template/web/GroovyTemplateViewResolver.java

69
spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/groovy/template/GroovyTemplateAutoConfiguration.java
Unescape View File

@ -16,30 +16,19 @@
package org.springframework.boot.autoconfigure.groovy.template; package org.springframework.boot.autoconfigure.groovy.template;
import groovy.text.SimpleTemplateEngine;
import groovy.text.TemplateEngine;
import groovy.text.markup.MarkupTemplateEngine; import groovy.text.markup.MarkupTemplateEngine;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.PostConstruct; import javax.annotation.PostConstruct;
import javax.servlet.Servlet; import javax.servlet.Servlet;
import org.springframework.beans.factory.BeanClassLoaderAware;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter; import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass; import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication; import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.groovy.template.web.GroovyTemplateViewResolver;
import org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration; import org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration;
import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties; import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
import org.springframework.context.i18n.LocaleContextHolder; import org.springframework.context.i18n.LocaleContextHolder;
@ -65,13 +54,13 @@ import org.springframework.web.servlet.view.groovy.GroovyMarkupViewResolver;
* @since 1.1.0 * @since 1.1.0
*/ */
@Configuration @Configuration
@ConditionalOnClass(TemplateEngine.class) @ConditionalOnClass(MarkupTemplateEngine.class)
@AutoConfigureAfter(WebMvcAutoConfiguration.class) @AutoConfigureAfter(WebMvcAutoConfiguration.class)
@EnableConfigurationProperties(GroovyTemplateProperties.class) @EnableConfigurationProperties(GroovyTemplateProperties.class)
public class GroovyTemplateAutoConfiguration { public class GroovyTemplateAutoConfiguration {
@Configuration @Configuration
@ConditionalOnClass({ MarkupTemplateEngine.class, GroovyMarkupConfigurer.class }) @ConditionalOnClass(GroovyMarkupConfigurer.class)
public static class GroovyMarkupConfiguration { public static class GroovyMarkupConfiguration {
@Autowired @Autowired
@ -110,48 +99,6 @@ public class GroovyTemplateAutoConfiguration {
} }
@Configuration
@ConditionalOnMissingClass(name = "groovy.text.markup.MarkupTemplateEngine")
public static class GroovySimpleTemplateEngineConfiguration implements
BeanClassLoaderAware {
@Autowired
private GroovyTemplateProperties properties;
@Autowired
private ApplicationContext resourceLoader;
private ClassLoader classLoader = GroovyWebConfiguration.class.getClassLoader();
@Override
public void setBeanClassLoader(ClassLoader classLoader) {
this.classLoader = classLoader;
}
protected ClassLoader createParentLoaderForTemplates() throws Exception {
Resource[] resources = this.resourceLoader.getResources(this.properties
.getPrefix());
if (resources.length > 0) {
List<URL> urls = new ArrayList<URL>();
for (Resource resource : resources) {
if (resource.exists()) {
urls.add(resource.getURL());
}
}
return new URLClassLoader(urls.toArray(new URL[urls.size()]),
this.classLoader);
}
return this.classLoader;
}
@Bean
@ConditionalOnMissingBean(TemplateEngine.class)
public SimpleTemplateEngine groovyTemplateEngine() throws Exception {
return new SimpleTemplateEngine(createParentLoaderForTemplates());
}
}
@Configuration @Configuration
@ConditionalOnClass({ Servlet.class, LocaleContextHolder.class, @ConditionalOnClass({ Servlet.class, LocaleContextHolder.class,
UrlBasedViewResolver.class }) UrlBasedViewResolver.class })
@ -163,24 +110,12 @@ public class GroovyTemplateAutoConfiguration {
@Bean @Bean
@ConditionalOnMissingBean(name = "groovyMarkupViewResolver") @ConditionalOnMissingBean(name = "groovyMarkupViewResolver")
@ConditionalOnClass(MarkupTemplateEngine.class)
public GroovyMarkupViewResolver groovyMarkupViewResolver() { public GroovyMarkupViewResolver groovyMarkupViewResolver() {
GroovyMarkupViewResolver resolver = new GroovyMarkupViewResolver(); GroovyMarkupViewResolver resolver = new GroovyMarkupViewResolver();
configureViewResolver(resolver); configureViewResolver(resolver);
return resolver; return resolver;
} }
@Bean
@ConditionalOnMissingBean(name = "groovyTemplateViewResolver")
@ConditionalOnMissingClass(MarkupTemplateEngine.class)
public GroovyTemplateViewResolver groovyTemplateViewResolver(TemplateEngine engine) {
GroovyTemplateViewResolver resolver = new GroovyTemplateViewResolver();
configureViewResolver(resolver);
resolver.setPrefix(this.properties.getPrefix());
resolver.setTemplateEngine(engine);
return resolver;
}
private void configureViewResolver(UrlBasedViewResolver resolver) { private void configureViewResolver(UrlBasedViewResolver resolver) {
resolver.setSuffix(this.properties.getSuffix()); resolver.setSuffix(this.properties.getSuffix());
resolver.setCache(this.properties.isCache()); resolver.setCache(this.properties.isCache());

64
spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/groovy/template/web/GroovyTemplateView.java
Unescape View File

@ -1,64 +0,0 @@
/*
* Copyright 2012-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.groovy.template.web;
import groovy.text.Template;
import java.io.BufferedWriter;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.support.RequestContext;
import org.springframework.web.servlet.view.AbstractUrlBasedView;
/**
* Spring MVC {@link View} that can render Groovy templates.
*
* @author Dave Syer
* @since 1.1.0
*/
public class GroovyTemplateView extends AbstractUrlBasedView {
private final Template template;
public GroovyTemplateView(Template template) {
this.template = template;
}
@Override
protected void renderMergedOutputModel(Map<String, Object> model,
HttpServletRequest request, HttpServletResponse response) throws Exception {
applyContentType(response);
this.template.make(model).writeTo(new BufferedWriter(response.getWriter()));
}
/**
* Apply this view's content type as specified in the "contentType" bean property to
* the given response.
* @param response current HTTP response
* @see #setContentType
*/
protected void applyContentType(HttpServletResponse response) {
if (response.getContentType() == null) {
response.setContentType(getContentType());
}
}
}

90
spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/groovy/template/web/GroovyTemplateViewResolver.java
Unescape View File

@ -1,90 +0,0 @@
/*
* Copyright 2012-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.groovy.template.web;
import groovy.text.SimpleTemplateEngine;
import groovy.text.Template;
import groovy.text.TemplateEngine;
import java.util.Locale;
import org.springframework.beans.propertyeditors.LocaleEditor;
import org.springframework.core.io.Resource;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.view.UrlBasedViewResolver;
/**
* Spring MVC {@link ViewResolver} for {@link GroovyTemplateView}s.
*
* @author Dave Syer
* @since 1.1.0
* @see GroovyTemplateView
*/
public class GroovyTemplateViewResolver extends UrlBasedViewResolver {
private TemplateEngine engine = new SimpleTemplateEngine();
public GroovyTemplateViewResolver() {
setViewClass(GroovyTemplateView.class);
}
/**
* @param engine the engine to set
*/
public void setTemplateEngine(TemplateEngine engine) {
this.engine = engine;
}
@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(resource.getURL());
GroovyTemplateView view = new GroovyTemplateView(template);
view.setApplicationContext(getApplicationContext());
view.setServletContext(getServletContext());
view.setContentType(getContentType());
return view;
}
private Resource resolveResource(String viewName, Locale locale) {
String l10n = "";
if (locale != null) {
LocaleEditor localeEditor = new LocaleEditor();
localeEditor.setValue(locale);
l10n = "_" + localeEditor.getAsText();
}
return resolveFromLocale(viewName, l10n);
}
private Resource resolveFromLocale(String viewName, String locale) {
Resource resource = getApplicationContext().getResource(
getPrefix() + viewName + locale + getSuffix());
if (resource == null || !resource.exists()) {
if (locale.isEmpty()) {
return null;
}
int index = locale.lastIndexOf("_");
return resolveFromLocale(viewName, locale.substring(0, index));
}
return resource;
}
}
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