diff --git a/build.gradle b/build.gradle
index 7d8040d97c..7763df2eb2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -865,6 +865,8 @@ project("spring-web-reactive") {
testRuntime("org.jboss.xnio:xnio-nio:${xnioVersion}")
testRuntime("org.jboss.logging:jboss-logging:3.3.0.Final")
testRuntime("org.webjars:underscorejs:1.8.3")
+ testRuntime("org.jruby:jruby:9.1.6.0")
+ testRuntime("org.python:jython-standalone:2.5.3")
}
if (JavaVersion.current().java9Compatible) {
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateConfig.java b/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateConfig.java
new file mode 100644
index 0000000000..7bbd83497e
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateConfig.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright 2002-2016 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.web.reactive.result.view.script;
+
+import java.nio.charset.Charset;
+import javax.script.ScriptEngine;
+
+/**
+ * Interface to be implemented by objects that configure and manage a
+ * JSR-223 {@link ScriptEngine} for automatic lookup in a web environment.
+ * Detected and used by {@link ScriptTemplateView}.
+ *
+ * @author Sebastien Deleuze
+ * @since 5.0
+ */
+public interface ScriptTemplateConfig {
+
+ /**
+ * Return the {@link ScriptEngine} to use by the views.
+ */
+ ScriptEngine getEngine();
+
+ /**
+ * Return the engine name that will be used to instantiate the {@link ScriptEngine}.
+ */
+ String getEngineName();
+
+ /**
+ * Return whether to use a shared engine for all threads or whether to create
+ * thread-local engine instances for each thread.
+ */
+ Boolean isSharedEngine();
+
+ /**
+ * Return the scripts to be loaded by the script engine (library or user provided).
+ */
+ String[] getScripts();
+
+ /**
+ * Return the object where the render function belongs (optional).
+ */
+ String getRenderObject();
+
+ /**
+ * Return the render function name (mandatory).
+ */
+ String getRenderFunction();
+
+ /**
+ * Return the charset used to read script and template files.
+ */
+ Charset getCharset();
+
+ /**
+ * Return the resource loader path(s) via a Spring resource location.
+ */
+ String getResourceLoaderPath();
+
+}
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateConfigurer.java b/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateConfigurer.java
new file mode 100644
index 0000000000..2eafab7fdd
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateConfigurer.java
@@ -0,0 +1,203 @@
+/*
+ * Copyright 2002-2016 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.web.reactive.result.view.script;
+
+import java.nio.charset.Charset;
+import javax.script.ScriptEngine;
+
+/**
+ * An implementation of Spring MVC's {@link ScriptTemplateConfig} for creating
+ * a {@code ScriptEngine} for use in a web application.
+ *
+ *
+ * // Add the following to an @Configuration class
+ * @Bean
+ * public ScriptTemplateConfigurer mustacheConfigurer() {
+ * ScriptTemplateConfigurer configurer = new ScriptTemplateConfigurer();
+ * configurer.setEngineName("nashorn");
+ * configurer.setScripts("mustache.js");
+ * configurer.setRenderObject("Mustache");
+ * configurer.setRenderFunction("render");
+ * return configurer;
+ * }
+ *
+ *
+ * NOTE: It is possible to use non thread-safe script engines with
+ * templating libraries not designed for concurrency, like Handlebars or React running on
+ * Nashorn, by setting the {@link #setSharedEngine sharedEngine} property to {@code false}.
+ *
+ * @author Sebastien Deleuze
+ * @since 5.0
+ * @see ScriptTemplateView
+ */
+public class ScriptTemplateConfigurer implements ScriptTemplateConfig {
+
+ private ScriptEngine engine;
+
+ private String engineName;
+
+ private Boolean sharedEngine;
+
+ private String[] scripts;
+
+ private String renderObject;
+
+ private String renderFunction;
+
+ private Charset charset;
+
+ private String resourceLoaderPath;
+
+
+ /**
+ * Set the {@link ScriptEngine} to use by the view.
+ * The script engine must implement {@code Invocable}.
+ * You must define {@code engine} or {@code engineName}, not both.
+ *
When the {@code sharedEngine} flag is set to {@code false}, you should not specify
+ * the script engine with this setter, but with the {@link #setEngineName(String)}
+ * one (since it implies multiple lazy instantiations of the script engine).
+ * @see #setEngineName(String)
+ */
+ public void setEngine(ScriptEngine engine) {
+ this.engine = engine;
+ }
+
+ @Override
+ public ScriptEngine getEngine() {
+ return this.engine;
+ }
+
+ /**
+ * Set the engine name that will be used to instantiate the {@link ScriptEngine}.
+ * The script engine must implement {@code Invocable}.
+ * You must define {@code engine} or {@code engineName}, not both.
+ * @see #setEngine(ScriptEngine)
+ */
+ public void setEngineName(String engineName) {
+ this.engineName = engineName;
+ }
+
+ @Override
+ public String getEngineName() {
+ return this.engineName;
+ }
+
+ /**
+ * When set to {@code false}, a new {@link ScriptEngine} instance will be created
+ * for each request, else the same instance will be reused.
+ * This flag should be set to {@code false} for those using non thread-safe script
+ * engines with templating libraries not designed for
+ * concurrency, like Handlebars or React running on Nashorn for example.
+ *
When this flag is set to {@code false}, the script engine must be specified using
+ * {@link #setEngineName(String)}. Using {@link #setEngine(ScriptEngine)} is not
+ * possible because multiple instances of the script engine need to be created for
+ * each request.
+ * @see THREADING ScriptEngine parameter
+ */
+ public void setSharedEngine(Boolean sharedEngine) {
+ this.sharedEngine = sharedEngine;
+ }
+
+ @Override
+ public Boolean isSharedEngine() {
+ return this.sharedEngine;
+ }
+
+ /**
+ * Set the scripts to be loaded by the script engine (library or user provided).
+ * Since {@code resourceLoaderPath} default value is "classpath:", you can load easily
+ * any script available on the classpath.
+ *
For example, in order to use a JavaScript library available as a WebJars dependency
+ * and a custom "render.js" file, you should call
+ * {@code configurer.setScripts("/META-INF/resources/webjars/library/version/library.js",
+ * "com/myproject/script/render.js");}.
+ * @see #setResourceLoaderPath
+ * @see WebJars
+ */
+ public void setScripts(String... scriptNames) {
+ this.scripts = scriptNames;
+ }
+
+ @Override
+ public String[] getScripts() {
+ return this.scripts;
+ }
+
+ /**
+ * Set the object where the render function belongs (optional).
+ * For example, in order to call {@code Mustache.render()}, {@code renderObject}
+ * should be set to {@code "Mustache"} and {@code renderFunction} to {@code "render"}.
+ */
+ public void setRenderObject(String renderObject) {
+ this.renderObject = renderObject;
+ }
+
+ @Override
+ public String getRenderObject() {
+ return this.renderObject;
+ }
+
+ /**
+ * Set the render function name (mandatory).
+ *
+ *
This function will be called with the following parameters:
+ *
+ * - {@code String template}: the template content
+ * - {@code Map model}: the view model
+ * - {@code String url}: the template url
+ *
+ */
+ public void setRenderFunction(String renderFunction) {
+ this.renderFunction = renderFunction;
+ }
+
+ @Override
+ public String getRenderFunction() {
+ return this.renderFunction;
+ }
+
+ /**
+ * Set the charset used to read script and template files.
+ * ({@code UTF-8} by default).
+ */
+ public void setCharset(Charset charset) {
+ this.charset = charset;
+ }
+
+ @Override
+ public Charset getCharset() {
+ return this.charset;
+ }
+
+ /**
+ * Set the resource loader path(s) via a Spring resource location.
+ * Accepts multiple locations as a comma-separated list of paths.
+ * Standard URLs like "file:" and "classpath:" and pseudo URLs are supported
+ * as understood by Spring's {@link org.springframework.core.io.ResourceLoader}.
+ * Relative paths are allowed when running in an ApplicationContext.
+ * Default is "classpath:".
+ */
+ public void setResourceLoaderPath(String resourceLoaderPath) {
+ this.resourceLoaderPath = resourceLoaderPath;
+ }
+
+ @Override
+ public String getResourceLoaderPath() {
+ return this.resourceLoaderPath;
+ }
+
+}
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateView.java b/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateView.java
new file mode 100644
index 0000000000..ebf11348aa
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateView.java
@@ -0,0 +1,319 @@
+/*
+ * Copyright 2002-2016 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.web.reactive.result.view.script;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.util.Locale;
+import java.util.Map;
+import javax.script.Invocable;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+
+import reactor.core.publisher.Mono;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.BeanFactoryUtils;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextException;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.core.io.buffer.DataBuffer;
+import org.springframework.http.MediaType;
+import org.springframework.http.server.reactive.ServerHttpResponse;
+import org.springframework.scripting.support.StandardScriptEvalException;
+import org.springframework.scripting.support.StandardScriptUtils;
+import org.springframework.util.Assert;
+import org.springframework.util.FileCopyUtils;
+import org.springframework.util.ObjectUtils;
+import org.springframework.util.StringUtils;
+import org.springframework.web.reactive.result.view.AbstractUrlBasedView;
+import org.springframework.web.server.ServerWebExchange;
+
+/**
+ * An {@link AbstractUrlBasedView} subclass designed to run any template library
+ * based on a JSR-223 script engine.
+ *
+ *
If not set, each property is auto-detected by looking up a single
+ * {@link ScriptTemplateConfig} bean in the web application context and using
+ * it to obtain the configured properties.
+ *
+ *
Nashorn Javascript engine requires Java 8+, and may require setting the
+ * {@code sharedEngine} property to {@code false} in order to run properly. See
+ * {@link ScriptTemplateConfigurer#setSharedEngine(Boolean)} for more details.
+ *
+ * @author Sebastien Deleuze
+ * @author Juergen Hoeller
+ * @since 5.0
+ * @see ScriptTemplateConfigurer
+ * @see ScriptTemplateViewResolver
+ */
+public class ScriptTemplateView extends AbstractUrlBasedView {
+
+ private static final String DEFAULT_RESOURCE_LOADER_PATH = "classpath:";
+
+
+ private ScriptEngine engine;
+
+ private String engineName;
+
+ private Boolean sharedEngine;
+
+ private String[] scripts;
+
+ private String renderObject;
+
+ private String renderFunction;
+
+ private String[] resourceLoaderPaths;
+
+ private ResourceLoader resourceLoader;
+
+ private volatile ScriptEngineManager scriptEngineManager;
+
+
+ /**
+ * Constructor for use as a bean.
+ * @see #setUrl
+ */
+ public ScriptTemplateView() {
+ }
+
+ /**
+ * Create a new ScriptTemplateView with the given URL.
+ */
+ public ScriptTemplateView(String url) {
+ super(url);
+ }
+
+
+ /**
+ * See {@link ScriptTemplateConfigurer#setEngine(ScriptEngine)} documentation.
+ */
+ public void setEngine(ScriptEngine engine) {
+ Assert.isInstanceOf(Invocable.class, engine);
+ this.engine = engine;
+ }
+
+ /**
+ * See {@link ScriptTemplateConfigurer#setEngineName(String)} documentation.
+ */
+ public void setEngineName(String engineName) {
+ this.engineName = engineName;
+ }
+
+ /**
+ * See {@link ScriptTemplateConfigurer#setSharedEngine(Boolean)} documentation.
+ */
+ public void setSharedEngine(Boolean sharedEngine) {
+ this.sharedEngine = sharedEngine;
+ }
+
+ /**
+ * See {@link ScriptTemplateConfigurer#setScripts(String...)} documentation.
+ */
+ public void setScripts(String... scripts) {
+ this.scripts = scripts;
+ }
+
+ /**
+ * See {@link ScriptTemplateConfigurer#setRenderObject(String)} documentation.
+ */
+ public void setRenderObject(String renderObject) {
+ this.renderObject = renderObject;
+ }
+
+ /**
+ * See {@link ScriptTemplateConfigurer#setRenderFunction(String)} documentation.
+ */
+ public void setRenderFunction(String functionName) {
+ this.renderFunction = functionName;
+ }
+
+ /**
+ * See {@link ScriptTemplateConfigurer#setResourceLoaderPath(String)} documentation.
+ */
+ public void setResourceLoaderPath(String resourceLoaderPath) {
+ String[] paths = StringUtils.commaDelimitedListToStringArray(resourceLoaderPath);
+ this.resourceLoaderPaths = new String[paths.length + 1];
+ this.resourceLoaderPaths[0] = "";
+ for (int i = 0; i < paths.length; i++) {
+ String path = paths[i];
+ if (!path.endsWith("/") && !path.endsWith(":")) {
+ path = path + "/";
+ }
+ this.resourceLoaderPaths[i + 1] = path;
+ }
+ }
+
+ @Override
+ public void setApplicationContext(ApplicationContext context) {
+ super.setApplicationContext(context);
+
+ ScriptTemplateConfig viewConfig = autodetectViewConfig();
+ if (this.engine == null && viewConfig.getEngine() != null) {
+ setEngine(viewConfig.getEngine());
+ }
+ if (this.engineName == null && viewConfig.getEngineName() != null) {
+ this.engineName = viewConfig.getEngineName();
+ }
+ if (this.scripts == null && viewConfig.getScripts() != null) {
+ this.scripts = viewConfig.getScripts();
+ }
+ if (this.renderObject == null && viewConfig.getRenderObject() != null) {
+ this.renderObject = viewConfig.getRenderObject();
+ }
+ if (this.renderFunction == null && viewConfig.getRenderFunction() != null) {
+ this.renderFunction = viewConfig.getRenderFunction();
+ }
+ if (viewConfig.getCharset() != null) {
+ setDefaultCharset(viewConfig.getCharset());
+ }
+ if (this.resourceLoaderPaths == null) {
+ String resourceLoaderPath = viewConfig.getResourceLoaderPath();
+ setResourceLoaderPath(resourceLoaderPath == null ? DEFAULT_RESOURCE_LOADER_PATH : resourceLoaderPath);
+ }
+ if (this.resourceLoader == null) {
+ this.resourceLoader = getApplicationContext();
+ }
+ if (this.sharedEngine == null && viewConfig.isSharedEngine() != null) {
+ this.sharedEngine = viewConfig.isSharedEngine();
+ }
+
+ Assert.isTrue(!(this.engine != null && this.engineName != null),
+ "You should define either 'engine' or 'engineName', not both.");
+ Assert.isTrue(!(this.engine == null && this.engineName == null),
+ "No script engine found, please specify either 'engine' or 'engineName'.");
+
+ if (Boolean.FALSE.equals(this.sharedEngine)) {
+ Assert.isTrue(this.engineName != null,
+ "When 'sharedEngine' is set to false, you should specify the " +
+ "script engine using the 'engineName' property, not the 'engine' one.");
+ }
+ else if (this.engine != null) {
+ loadScripts(this.engine);
+ }
+ else {
+ setEngine(createEngineFromName());
+ }
+
+ Assert.isTrue(this.renderFunction != null, "The 'renderFunction' property must be defined.");
+ }
+
+ protected ScriptEngine getEngine() {
+ return Boolean.FALSE.equals(this.sharedEngine) ? createEngineFromName() : this.engine;
+ }
+
+ protected ScriptEngine createEngineFromName() {
+ if (this.scriptEngineManager == null) {
+ this.scriptEngineManager = new ScriptEngineManager(getApplicationContext().getClassLoader());
+ }
+
+ ScriptEngine engine = StandardScriptUtils.retrieveEngineByName(this.scriptEngineManager, this.engineName);
+ loadScripts(engine);
+ return engine;
+ }
+
+ protected void loadScripts(ScriptEngine engine) {
+ if (!ObjectUtils.isEmpty(this.scripts)) {
+ for (String script : this.scripts) {
+ Resource resource = getResource(script);
+ if (resource == null) {
+ throw new IllegalStateException("Script resource [" + script + "] not found");
+ }
+ try {
+ engine.eval(new InputStreamReader(resource.getInputStream()));
+ }
+ catch (Throwable ex) {
+ throw new IllegalStateException("Failed to evaluate script [" + script + "]", ex);
+ }
+ }
+ }
+ }
+
+ protected Resource getResource(String location) {
+ for (String path : this.resourceLoaderPaths) {
+ Resource resource = this.resourceLoader.getResource(path + location);
+ if (resource.exists()) {
+ return resource;
+ }
+ }
+ return null;
+ }
+
+ protected ScriptTemplateConfig autodetectViewConfig() throws BeansException {
+ try {
+ return BeanFactoryUtils.beanOfTypeIncludingAncestors(
+ getApplicationContext(), ScriptTemplateConfig.class, true, false);
+ }
+ catch (NoSuchBeanDefinitionException ex) {
+ throw new ApplicationContextException("Expected a single ScriptTemplateConfig bean in the current " +
+ "web application context or the parent root context: ScriptTemplateConfigurer is " +
+ "the usual implementation. This bean may have any name.", ex);
+ }
+ }
+
+ @Override
+ public boolean checkResourceExists(Locale locale) throws Exception {
+ return (getResource(getUrl()) != null);
+ }
+
+ @Override
+ protected Mono renderInternal(Map model, MediaType contentType, ServerWebExchange exchange) {
+ return Mono.defer(() -> {
+ ServerHttpResponse response = exchange.getResponse();
+ try {
+ ScriptEngine engine = getEngine();
+ Invocable invocable = (Invocable) engine;
+ String url = getUrl();
+ String template = getTemplate(url);
+
+ Object html;
+ if (this.renderObject != null) {
+ Object thiz = engine.eval(this.renderObject);
+ html = invocable.invokeMethod(thiz, this.renderFunction, template, model, url);
+ }
+ else {
+ html = invocable.invokeFunction(this.renderFunction, template, model, url);
+ }
+
+ byte[] bytes = String.valueOf(html).getBytes(StandardCharsets.UTF_8);
+ DataBuffer buffer = response.bufferFactory().allocateBuffer(bytes.length).write(bytes);
+ return response.writeWith(Mono.just(buffer));
+ }
+ catch (ScriptException ex) {
+ throw new IllegalStateException("Failed to render script template", new StandardScriptEvalException(ex));
+ }
+ catch (Exception ex) {
+ throw new IllegalStateException("Failed to render script template", ex);
+ }
+ });
+ }
+
+ protected String getTemplate(String path) throws IOException {
+ Resource resource = getResource(path);
+ if (resource == null) {
+ throw new IllegalStateException("Template resource [" + path + "] not found");
+ }
+ InputStreamReader reader = new InputStreamReader(resource.getInputStream(), getDefaultCharset());
+ return FileCopyUtils.copyToString(reader);
+ }
+
+}
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateViewResolver.java b/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateViewResolver.java
new file mode 100644
index 0000000000..d24643929f
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/ScriptTemplateViewResolver.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2002-2016 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.web.reactive.result.view.script;
+
+import org.springframework.web.reactive.result.view.UrlBasedViewResolver;
+
+/**
+ * Convenience subclass of {@link UrlBasedViewResolver} that supports
+ * {@link ScriptTemplateView} and custom subclasses of it.
+ *
+ * The view class for all views created by this resolver can be specified
+ * via the {@link #setViewClass(Class)} property.
+ *
+ *
Note: When chaining ViewResolvers this resolver will check for the
+ * existence of the specified template resources and only return a non-null
+ * View object if a template is actually found.
+ *
+ * @author Sebastien Deleuze
+ * @since 5.0
+ * @see ScriptTemplateConfigurer
+ */
+public class ScriptTemplateViewResolver extends UrlBasedViewResolver {
+
+ /**
+ * Sets the default {@link #setViewClass view class} to {@link #requiredViewClass}:
+ * by default {@link ScriptTemplateView}.
+ */
+ public ScriptTemplateViewResolver() {
+ setViewClass(requiredViewClass());
+ }
+
+ /**
+ * A convenience constructor that allows for specifying {@link #setPrefix prefix}
+ * and {@link #setSuffix suffix} as constructor arguments.
+ * @param prefix the prefix that gets prepended to view names when building a URL
+ * @param suffix the suffix that gets appended to view names when building a URL
+ */
+ public ScriptTemplateViewResolver(String prefix, String suffix) {
+ this();
+ setPrefix(prefix);
+ setSuffix(suffix);
+ }
+
+ @Override
+ protected Class> requiredViewClass() {
+ return ScriptTemplateView.class;
+ }
+
+}
diff --git a/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/package-info.java b/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/package-info.java
new file mode 100644
index 0000000000..5ad2ee25a4
--- /dev/null
+++ b/spring-web-reactive/src/main/java/org/springframework/web/reactive/result/view/script/package-info.java
@@ -0,0 +1,6 @@
+/**
+ * Support classes for views based on the JSR-223 script engine abstraction
+ * (as included in Java 6+), e.g. using JavaScript via Nashorn on JDK 8.
+ * Contains a View implementation for scripted templates.
+ */
+package org.springframework.web.reactive.result.view.script;
diff --git a/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/JRubyScriptTemplateTests.java b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/JRubyScriptTemplateTests.java
new file mode 100644
index 0000000000..b1f8c692e4
--- /dev/null
+++ b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/JRubyScriptTemplateTests.java
@@ -0,0 +1,100 @@
+/*
+ * Copyright 2002-2016 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.web.reactive.result.view.script;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.support.StaticApplicationContext;
+import org.springframework.http.MediaType;
+import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
+import org.springframework.mock.http.server.reactive.test.MockServerHttpResponse;
+import org.springframework.web.server.ServerWebExchange;
+import org.springframework.web.server.adapter.DefaultServerWebExchange;
+import org.springframework.web.server.session.DefaultWebSessionManager;
+import org.springframework.web.server.session.WebSessionManager;
+
+/**
+ * Unit tests for ERB templates running on JRuby.
+ *
+ * @author Sebastien Deleuze
+ */
+@Ignore("JRuby not compatible with JDK 9 yet")
+public class JRubyScriptTemplateTests {
+
+ private StaticApplicationContext context;
+
+ @Before
+ public void setup() {
+ this.context = new StaticApplicationContext();
+ }
+
+ @Test
+ public void renderTemplate() throws Exception {
+ Map model = new HashMap<>();
+ model.put("title", "Layout example");
+ model.put("body", "This is the body");
+ MockServerHttpResponse response = renderViewWithModel("org/springframework/web/reactive/result/view/script/jruby/template.erb", model);
+ assertEquals("Layout exampleThis is the body
",
+ response.getBodyAsString().block());
+ }
+
+ private MockServerHttpResponse renderViewWithModel(String viewUrl, Map model) throws Exception {
+ ScriptTemplateView view = createViewWithUrl(viewUrl);
+ MockServerHttpRequest request = new MockServerHttpRequest();
+ MockServerHttpResponse response = new MockServerHttpResponse();
+ WebSessionManager manager = new DefaultWebSessionManager();
+ ServerWebExchange exchange = new DefaultServerWebExchange(request, response, manager);
+ view.renderInternal(model, MediaType.TEXT_HTML, exchange).block();
+ return response;
+ }
+
+ private ScriptTemplateView createViewWithUrl(String viewUrl) throws Exception {
+ AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
+ ctx.register(ScriptTemplatingConfiguration.class);
+ ctx.refresh();
+
+ ScriptTemplateView view = new ScriptTemplateView();
+ view.setApplicationContext(ctx);
+ view.setUrl(viewUrl);
+ view.afterPropertiesSet();
+ return view;
+ }
+
+
+ @Configuration
+ static class ScriptTemplatingConfiguration {
+
+ @Bean
+ public ScriptTemplateConfigurer jRubyConfigurer() {
+ ScriptTemplateConfigurer configurer = new ScriptTemplateConfigurer();
+ configurer.setScripts("org/springframework/web/reactive/result/view/script/jruby/render.rb");
+ configurer.setEngineName("jruby");
+ configurer.setRenderFunction("render");
+ return configurer;
+ }
+ }
+
+}
diff --git a/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/JythonScriptTemplateTests.java b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/JythonScriptTemplateTests.java
new file mode 100644
index 0000000000..b08e0aa701
--- /dev/null
+++ b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/JythonScriptTemplateTests.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2002-2015 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.web.reactive.result.view.script;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.support.StaticApplicationContext;
+import org.springframework.http.MediaType;
+import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
+import org.springframework.mock.http.server.reactive.test.MockServerHttpResponse;
+import org.springframework.web.server.ServerWebExchange;
+import org.springframework.web.server.adapter.DefaultServerWebExchange;
+import org.springframework.web.server.session.DefaultWebSessionManager;
+import org.springframework.web.server.session.WebSessionManager;
+
+/**
+ * Unit tests for String templates running on Jython.
+ *
+ * @author Sebastien Deleuze
+ */
+public class JythonScriptTemplateTests {
+
+ private StaticApplicationContext context;
+
+
+ @Before
+ public void setup() {
+ this.context = new StaticApplicationContext();
+ }
+
+ @Test
+ public void renderTemplate() throws Exception {
+ Map model = new HashMap<>();
+ model.put("title", "Layout example");
+ model.put("body", "This is the body");
+ MockServerHttpResponse response = renderViewWithModel("org/springframework/web/reactive/result/view/script/jython/template.html", model);
+ assertEquals("Layout exampleThis is the body
",
+ response.getBodyAsString().block());
+ }
+
+ private MockServerHttpResponse renderViewWithModel(String viewUrl, Map model) throws Exception {
+ ScriptTemplateView view = createViewWithUrl(viewUrl);
+ MockServerHttpRequest request = new MockServerHttpRequest();
+ MockServerHttpResponse response = new MockServerHttpResponse();
+ WebSessionManager manager = new DefaultWebSessionManager();
+ ServerWebExchange exchange = new DefaultServerWebExchange(request, response, manager);
+ view.renderInternal(model, MediaType.TEXT_HTML, exchange).block();
+ return response;
+ }
+
+ private ScriptTemplateView createViewWithUrl(String viewUrl) throws Exception {
+ AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
+ ctx.register(ScriptTemplatingConfiguration.class);
+ ctx.refresh();
+
+ ScriptTemplateView view = new ScriptTemplateView();
+ view.setApplicationContext(ctx);
+ view.setUrl(viewUrl);
+ view.afterPropertiesSet();
+ return view;
+ }
+
+
+ @Configuration
+ static class ScriptTemplatingConfiguration {
+
+ @Bean
+ public ScriptTemplateConfigurer jythonConfigurer() {
+ ScriptTemplateConfigurer configurer = new ScriptTemplateConfigurer();
+ configurer.setScripts("org/springframework/web/reactive/result/view/script/jython/render.py");
+ configurer.setEngineName("jython");
+ configurer.setRenderFunction("render");
+ return configurer;
+ }
+ }
+
+}
diff --git a/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/KotlinScriptTemplateTests.java b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/KotlinScriptTemplateTests.java
new file mode 100644
index 0000000000..acede99e9c
--- /dev/null
+++ b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/KotlinScriptTemplateTests.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2002-2015 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.web.reactive.result.view.script;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.support.StaticApplicationContext;
+import org.springframework.http.MediaType;
+import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
+import org.springframework.mock.http.server.reactive.test.MockServerHttpResponse;
+import org.springframework.web.server.ServerWebExchange;
+import org.springframework.web.server.adapter.DefaultServerWebExchange;
+import org.springframework.web.server.session.DefaultWebSessionManager;
+import org.springframework.web.server.session.WebSessionManager;
+
+/**
+ * Unit tests for Kotlin script templates running on Kotlin JSR 223 support
+ *
+ * @author Sebastien Deleuze
+ */
+@Ignore // Temporary disabled since Kotlin 1.1-M04 generates bytecode not Kotlin 1.0 compliant, will be enable as soon as Kotlin 1.1-M05 is available
+public class KotlinScriptTemplateTests {
+
+ private StaticApplicationContext context;
+
+ @Before
+ public void setup() {
+ this.context = new StaticApplicationContext();
+ }
+
+ @Test
+ public void renderTemplate() throws Exception {
+ Map model = new HashMap<>();
+ model.put("title", "Layout example");
+ model.put("body", "This is the body");
+ MockServerHttpResponse response = renderViewWithModel("org/springframework/web/reactive/result/view/script/kotlin/template.kts",
+ model, ScriptTemplatingConfiguration.class);
+ assertEquals("Layout exampleThis is the body
",
+ response.getBodyAsString().block());
+ }
+
+ private MockServerHttpResponse renderViewWithModel(String viewUrl, Map model, Class> configuration) throws Exception {
+ ScriptTemplateView view = createViewWithUrl(viewUrl, configuration);
+ MockServerHttpRequest request = new MockServerHttpRequest();
+ MockServerHttpResponse response = new MockServerHttpResponse();
+ WebSessionManager manager = new DefaultWebSessionManager();
+ ServerWebExchange exchange = new DefaultServerWebExchange(request, response, manager);
+ view.renderInternal(model, MediaType.TEXT_HTML, exchange).block();
+ return response;
+ }
+
+ private ScriptTemplateView createViewWithUrl(String viewUrl, Class> configuration) throws Exception {
+ AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
+ ctx.register(configuration);
+ ctx.refresh();
+
+ ScriptTemplateView view = new ScriptTemplateView();
+ view.setApplicationContext(ctx);
+ view.setUrl(viewUrl);
+ view.afterPropertiesSet();
+ return view;
+ }
+
+
+ @Configuration
+ static class ScriptTemplatingConfiguration {
+
+ @Bean
+ public ScriptTemplateConfigurer kotlinScriptConfigurer() {
+ ScriptTemplateConfigurer configurer = new ScriptTemplateConfigurer();
+ configurer.setEngineName("kotlin");
+ configurer.setScripts("org/springframework/web/reactive/result/view/script/kotlin/render.kts");
+ configurer.setRenderFunction("render");
+ return configurer;
+ }
+ }
+
+}
diff --git a/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/NashornScriptTemplateTests.java b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/NashornScriptTemplateTests.java
new file mode 100644
index 0000000000..2cc17ef821
--- /dev/null
+++ b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/NashornScriptTemplateTests.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2002-2015 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.web.reactive.result.view.script;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.support.StaticApplicationContext;
+import org.springframework.http.MediaType;
+import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
+import org.springframework.mock.http.server.reactive.test.MockServerHttpResponse;
+import org.springframework.web.server.ServerWebExchange;
+import org.springframework.web.server.adapter.DefaultServerWebExchange;
+import org.springframework.web.server.session.DefaultWebSessionManager;
+import org.springframework.web.server.session.WebSessionManager;
+
+/**
+ * Unit tests for pure Javascript templates running on Nashorn engine.
+ *
+ * @author Sebastien Deleuze
+ */
+public class NashornScriptTemplateTests {
+
+ private StaticApplicationContext context;
+
+ @Before
+ public void setup() {
+ this.context = new StaticApplicationContext();
+ }
+
+ @Test
+ public void renderTemplate() throws Exception {
+ Map model = new HashMap<>();
+ model.put("title", "Layout example");
+ model.put("body", "This is the body");
+ MockServerHttpResponse response = renderViewWithModel("org/springframework/web/reactive/result/view/script/nashorn/template.html",
+ model, ScriptTemplatingConfiguration.class);
+ assertEquals("Layout exampleThis is the body
",
+ response.getBodyAsString().block());
+ }
+
+ @Test // SPR-13453
+ public void renderTemplateWithUrl() throws Exception {
+ MockServerHttpResponse response = renderViewWithModel("org/springframework/web/reactive/result/view/script/nashorn/template.html",
+ null, ScriptTemplatingWithUrlConfiguration.class);
+ assertEquals("Check url parameterorg/springframework/web/reactive/result/view/script/nashorn/template.html
",
+ response.getBodyAsString().block());
+ }
+
+ private MockServerHttpResponse renderViewWithModel(String viewUrl, Map model, Class> configuration) throws Exception {
+ ScriptTemplateView view = createViewWithUrl(viewUrl, configuration);
+ MockServerHttpRequest request = new MockServerHttpRequest();
+ MockServerHttpResponse response = new MockServerHttpResponse();
+ WebSessionManager manager = new DefaultWebSessionManager();
+ ServerWebExchange exchange = new DefaultServerWebExchange(request, response, manager);
+ view.renderInternal(model, MediaType.TEXT_HTML, exchange).block();
+ return response;
+ }
+
+ private ScriptTemplateView createViewWithUrl(String viewUrl, Class> configuration) throws Exception {
+ AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext();
+ ctx.register(configuration);
+ ctx.refresh();
+
+ ScriptTemplateView view = new ScriptTemplateView();
+ view.setApplicationContext(ctx);
+ view.setUrl(viewUrl);
+ view.afterPropertiesSet();
+ return view;
+ }
+
+
+ @Configuration
+ static class ScriptTemplatingConfiguration {
+
+ @Bean
+ public ScriptTemplateConfigurer nashornConfigurer() {
+ ScriptTemplateConfigurer configurer = new ScriptTemplateConfigurer();
+ configurer.setEngineName("nashorn");
+ configurer.setScripts("org/springframework/web/reactive/result/view/script/nashorn/render.js");
+ configurer.setRenderFunction("render");
+ return configurer;
+ }
+ }
+
+
+ @Configuration
+ static class ScriptTemplatingWithUrlConfiguration {
+
+ @Bean
+ public ScriptTemplateConfigurer nashornConfigurer() {
+ ScriptTemplateConfigurer configurer = new ScriptTemplateConfigurer();
+ configurer.setEngineName("nashorn");
+ configurer.setScripts("org/springframework/web/reactive/result/view/script/nashorn/render.js");
+ configurer.setRenderFunction("renderWithUrl");
+ return configurer;
+ }
+ }
+
+}
diff --git a/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/ScriptTemplateViewResolverTests.java b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/ScriptTemplateViewResolverTests.java
new file mode 100644
index 0000000000..81103731f2
--- /dev/null
+++ b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/ScriptTemplateViewResolverTests.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2002-2015 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.web.reactive.result.view.script;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import org.springframework.beans.DirectFieldAccessor;
+
+/**
+ * Unit tests for {@link ScriptTemplateViewResolver}.
+ *
+ * @author Sebastien Deleuze
+ */
+public class ScriptTemplateViewResolverTests {
+
+ @Test
+ public void viewClass() throws Exception {
+ ScriptTemplateViewResolver resolver = new ScriptTemplateViewResolver();
+ Assert.assertEquals(ScriptTemplateView.class, resolver.requiredViewClass());
+ DirectFieldAccessor viewAccessor = new DirectFieldAccessor(resolver);
+ Class viewClass = (Class) viewAccessor.getPropertyValue("viewClass");
+ Assert.assertEquals(ScriptTemplateView.class, viewClass);
+ }
+
+}
diff --git a/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/ScriptTemplateViewTests.java b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/ScriptTemplateViewTests.java
new file mode 100644
index 0000000000..529d79be01
--- /dev/null
+++ b/spring-web-reactive/src/test/java/org/springframework/web/reactive/result/view/script/ScriptTemplateViewTests.java
@@ -0,0 +1,190 @@
+/*
+ * Copyright 2002-2016 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.web.reactive.result.view.script;
+
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+import javax.script.Invocable;
+import javax.script.ScriptEngine;
+
+import static org.junit.Assert.*;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import static org.mockito.BDDMockito.*;
+
+import org.springframework.beans.DirectFieldAccessor;
+import org.springframework.context.ApplicationContextException;
+import org.springframework.context.support.StaticApplicationContext;
+
+/**
+ * Unit tests for {@link ScriptTemplateView}.
+ *
+ * @author Sebastien Deleuze
+ */
+public class ScriptTemplateViewTests {
+
+ private ScriptTemplateView view;
+
+ private ScriptTemplateConfigurer configurer;
+
+ private StaticApplicationContext context;
+
+ @Rule
+ public ExpectedException expectedException = ExpectedException.none();
+
+
+ @Before
+ public void setup() {
+ this.configurer = new ScriptTemplateConfigurer();
+ this.context = new StaticApplicationContext();
+ this.context.getBeanFactory().registerSingleton("scriptTemplateConfigurer", this.configurer);
+ this.view = new ScriptTemplateView();
+ }
+
+
+ @Test
+ public void missingTemplate() throws Exception {
+ this.context.refresh();
+ this.view.setResourceLoaderPath("classpath:org/springframework/web/reactive/result/view/script/");
+ this.view.setUrl("missing.txt");
+ this.view.setEngine(mock(InvocableScriptEngine.class));
+ this.configurer.setRenderFunction("render");
+ this.view.setApplicationContext(this.context);
+ assertFalse(this.view.checkResourceExists(Locale.ENGLISH));
+ }
+
+ @Test
+ public void missingScriptTemplateConfig() throws Exception {
+ this.expectedException.expect(ApplicationContextException.class);
+ this.view.setApplicationContext(new StaticApplicationContext());
+ this.expectedException.expectMessage(contains("ScriptTemplateConfig"));
+ }
+
+ @Test
+ public void detectScriptTemplateConfigWithEngine() {
+ InvocableScriptEngine engine = mock(InvocableScriptEngine.class);
+ this.configurer.setEngine(engine);
+ this.configurer.setRenderObject("Template");
+ this.configurer.setRenderFunction("render");
+ this.configurer.setCharset(StandardCharsets.ISO_8859_1);
+ this.configurer.setSharedEngine(true);
+
+ DirectFieldAccessor accessor = new DirectFieldAccessor(this.view);
+ this.view.setApplicationContext(this.context);
+ assertEquals(engine, accessor.getPropertyValue("engine"));
+ assertEquals("Template", accessor.getPropertyValue("renderObject"));
+ assertEquals("render", accessor.getPropertyValue("renderFunction"));
+ assertEquals(StandardCharsets.ISO_8859_1, accessor.getPropertyValue("defaultCharset"));
+ assertEquals(true, accessor.getPropertyValue("sharedEngine"));
+ }
+
+ @Test
+ public void detectScriptTemplateConfigWithEngineName() {
+ this.configurer.setEngineName("nashorn");
+ this.configurer.setRenderObject("Template");
+ this.configurer.setRenderFunction("render");
+
+ DirectFieldAccessor accessor = new DirectFieldAccessor(this.view);
+ this.view.setApplicationContext(this.context);
+ assertEquals("nashorn", accessor.getPropertyValue("engineName"));
+ assertNotNull(accessor.getPropertyValue("engine"));
+ assertEquals("Template", accessor.getPropertyValue("renderObject"));
+ assertEquals("render", accessor.getPropertyValue("renderFunction"));
+ assertEquals(StandardCharsets.UTF_8, accessor.getPropertyValue("defaultCharset"));
+ }
+
+ @Test
+ public void customEngineAndRenderFunction() throws Exception {
+ ScriptEngine engine = mock(InvocableScriptEngine.class);
+ given(engine.get("key")).willReturn("value");
+ this.view.setEngine(engine);
+ this.view.setRenderFunction("render");
+ this.view.setApplicationContext(this.context);
+ engine = this.view.getEngine();
+ assertNotNull(engine);
+ assertEquals("value", engine.get("key"));
+ DirectFieldAccessor accessor = new DirectFieldAccessor(this.view);
+ assertNull(accessor.getPropertyValue("renderObject"));
+ assertEquals("render", accessor.getPropertyValue("renderFunction"));
+ assertEquals(StandardCharsets.UTF_8, accessor.getPropertyValue("defaultCharset"));
+ }
+
+ @Test
+ public void nonSharedEngine() throws Exception {
+ int iterations = 20;
+ this.view.setEngineName("nashorn");
+ this.view.setRenderFunction("render");
+ this.view.setSharedEngine(false);
+ this.view.setApplicationContext(this.context);
+ ExecutorService executor = Executors.newFixedThreadPool(4);
+ List> results = new ArrayList<>();
+ for (int i = 0; i < iterations; i++) {
+ results.add(executor.submit(() -> view.getEngine() != null));
+ }
+ assertEquals(iterations, results.size());
+ for (int i = 0; i < iterations; i++) {
+ assertTrue(results.get(i).get());
+ }
+ executor.shutdown();
+ }
+
+ @Test
+ public void nonInvocableScriptEngine() throws Exception {
+ this.expectedException.expect(IllegalArgumentException.class);
+ this.view.setEngine(mock(ScriptEngine.class));
+ this.expectedException.expectMessage(contains("instance"));
+ }
+
+ @Test
+ public void noRenderFunctionDefined() {
+ this.view.setEngine(mock(InvocableScriptEngine.class));
+ this.expectedException.expect(IllegalArgumentException.class);
+ this.view.setApplicationContext(this.context);
+ this.expectedException.expectMessage(contains("renderFunction"));
+ }
+
+ @Test
+ public void engineAndEngineNameBothDefined() {
+ this.view.setEngine(mock(InvocableScriptEngine.class));
+ this.view.setEngineName("test");
+ this.view.setRenderFunction("render");
+ this.expectedException.expect(IllegalArgumentException.class);
+ this.view.setApplicationContext(this.context);
+ this.expectedException.expectMessage(contains("'engine' or 'engineName'"));
+ }
+
+ @Test
+ public void engineSetterAndNonSharedEngine() {
+ this.view.setEngine(mock(InvocableScriptEngine.class));
+ this.view.setRenderFunction("render");
+ this.view.setSharedEngine(false);
+ this.expectedException.expect(IllegalArgumentException.class);
+ this.view.setApplicationContext(this.context);
+ this.expectedException.expectMessage(contains("sharedEngine"));
+ }
+
+ private interface InvocableScriptEngine extends ScriptEngine, Invocable {
+ }
+
+}
diff --git a/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/empty.txt b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/empty.txt
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jruby/render.rb b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jruby/render.rb
new file mode 100644
index 0000000000..e5db6520d5
--- /dev/null
+++ b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jruby/render.rb
@@ -0,0 +1,20 @@
+require 'erb'
+require 'ostruct'
+require 'java'
+
+# Renders an ERB template against a hashmap of variables.
+def render(template, variables, url)
+ context = OpenStruct.new(variables).instance_eval do
+ variables.each do |k, v|
+ instance_variable_set(k, v) if k[0] == '@'
+ end
+
+ def partial(partial_name, options={})
+ new_variables = marshal_dump.merge(options[:locals] || {})
+ Java::Pavo::ERB.render(partial_name, new_variables)
+ end
+
+ binding
+ end
+ ERB.new(template).result(context);
+end
\ No newline at end of file
diff --git a/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jruby/template.erb b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jruby/template.erb
new file mode 100644
index 0000000000..7a5f85fa96
--- /dev/null
+++ b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jruby/template.erb
@@ -0,0 +1 @@
+<%= title %><%= body %>
\ No newline at end of file
diff --git a/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jython/render.py b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jython/render.py
new file mode 100644
index 0000000000..07c73ae869
--- /dev/null
+++ b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jython/render.py
@@ -0,0 +1,5 @@
+from string import Template
+
+def render(template, model, url):
+ s = Template(template)
+ return s.substitute(model)
\ No newline at end of file
diff --git a/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jython/template.html b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jython/template.html
new file mode 100644
index 0000000000..e713c67e8e
--- /dev/null
+++ b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/jython/template.html
@@ -0,0 +1 @@
+$title$body
\ No newline at end of file
diff --git a/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/kotlin/render.kts b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/kotlin/render.kts
new file mode 100644
index 0000000000..d1ab1ae6db
--- /dev/null
+++ b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/kotlin/render.kts
@@ -0,0 +1,10 @@
+import javax.script.*
+
+// TODO Use engine.eval(String, Bindings) when https://youtrack.jetbrains.com/issue/KT-15450 will be fixed
+fun render(template: String, model: Map, url: String): String {
+ val engine = ScriptEngineManager().getEngineByName("kotlin")
+ val bindings = SimpleBindings()
+ bindings.putAll(model)
+ engine.setBindings(bindings, ScriptContext.ENGINE_SCOPE)
+ return engine.eval(template) as String
+}
diff --git a/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/kotlin/template.kts b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/kotlin/template.kts
new file mode 100644
index 0000000000..bacaa3f3d0
--- /dev/null
+++ b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/kotlin/template.kts
@@ -0,0 +1 @@
+"""${bindings["title"]}${bindings["body"]}
"""
diff --git a/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/nashorn/render.js b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/nashorn/render.js
new file mode 100644
index 0000000000..8b6a712028
--- /dev/null
+++ b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/nashorn/render.js
@@ -0,0 +1,7 @@
+function render(template, model) {
+ return template.replace("{{title}}", model.title).replace("{{body}}", model.body);
+}
+
+function renderWithUrl(template, model, url) {
+ return template.replace("{{title}}", "Check url parameter").replace("{{body}}", url);
+}
diff --git a/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/nashorn/template.html b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/nashorn/template.html
new file mode 100644
index 0000000000..9110e3181b
--- /dev/null
+++ b/spring-web-reactive/src/test/resources/org/springframework/web/reactive/result/view/script/nashorn/template.html
@@ -0,0 +1 @@
+{{title}}{{body}}
\ No newline at end of file