Add support for spring.jersey.type=filter

Fixes gh-1756

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfiguration.java

@@ -18,6 +18,7 @@ package org.springframework.boot.autoconfigure.jersey;
 
 import java.util.Arrays;
 import java.util.EnumSet;
+import java.util.Map.Entry;
 
 import javax.annotation.PostConstruct;
 import javax.servlet.DispatcherType;
@@ -40,6 +41,7 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean
 import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
 import org.springframework.boot.autoconfigure.web.DispatcherServletAutoConfiguration;
 import org.springframework.boot.context.embedded.FilterRegistrationBean;
+import org.springframework.boot.context.embedded.RegistrationBean;
 import org.springframework.boot.context.embedded.ServletRegistrationBean;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
@@ -69,7 +71,7 @@ public class JerseyAutoConfiguration implements WebApplicationInitializer {
 
 	@Autowired
 	private JerseyProperties jersey;
-	
+
 	@Autowired
 	private ListableBeanFactory context;
 
@@ -89,7 +91,7 @@ public class JerseyAutoConfiguration implements WebApplicationInitializer {
 	public FilterRegistrationBean requestContextFilter() {
 		FilterRegistrationBean registration = new FilterRegistrationBean();
 		registration.setFilter(new RequestContextFilter());
-		registration.setOrder(jersey.getFilter().getOrder()-1);
+		registration.setOrder(this.jersey.getFilter().getOrder() - 1);
 		registration.setName("requestContextFilter");
 		return registration;
 	}
@@ -98,33 +100,47 @@ public class JerseyAutoConfiguration implements WebApplicationInitializer {
 	@ConditionalOnMissingBean(name = "jerseyFilterRegistration")
 	@ConditionalOnExpression("'${spring.jersey.type:servlet}' == 'filter'")
 	public FilterRegistrationBean jerseyFilterRegistration() {
-		Class<? extends ResourceConfig> configType = this.config.getClass();
 		FilterRegistrationBean registration = new FilterRegistrationBean();
 		registration.setFilter(new ServletContainer());
 		registration.setUrlPatterns(Arrays.asList(this.path));
-		registration.setOrder(jersey.getFilter().getOrder());
+		registration.setOrder(this.jersey.getFilter().getOrder());
-		registration.addInitParameter(ServletProperties.JAXRS_APPLICATION_CLASS,
+		registration.addInitParameter(ServletProperties.FILTER_CONTEXT_PATH,
-				configType.getName());
+				stripPattern(this.path));
-		registration.addInitParameter(CommonProperties.METAINF_SERVICES_LOOKUP_DISABLE,  "true");
+		addInitParameters(registration);
 		registration.setName("jerseyFilter");
-        registration.setDispatcherTypes(EnumSet.allOf(DispatcherType.class));
+		registration.setDispatcherTypes(EnumSet.allOf(DispatcherType.class));
 		return registration;
 	}
-	
+
+	private String stripPattern(String path) {
+		if (path.endsWith("/*")) {
+			path = path.substring(0, path.lastIndexOf("/*"));
+		}
+		return path;
+	}
+
 	@Bean
 	@ConditionalOnMissingBean(name = "jerseyServletRegistration")
 	@ConditionalOnExpression("'${spring.jersey.type:servlet}' == 'servlet'")
 	public ServletRegistrationBean jerseyServletRegistration() {
-		Class<? extends ResourceConfig> configType = this.config.getClass();
 		ServletRegistrationBean registration = new ServletRegistrationBean(
 				new ServletContainer(), this.path);
-		registration.addInitParameter(ServletProperties.JAXRS_APPLICATION_CLASS,
+		addInitParameters(registration);
-				configType.getName());
-		registration.addInitParameter(CommonProperties.METAINF_SERVICES_LOOKUP_DISABLE,  "true");
 		registration.setName("jerseyServlet");
 		return registration;
 	}
 
+	private void addInitParameters(RegistrationBean registration) {
+		Class<? extends ResourceConfig> configType = this.config.getClass();
+		registration.addInitParameter(ServletProperties.JAXRS_APPLICATION_CLASS,
+				configType.getName());
+		registration.addInitParameter(CommonProperties.METAINF_SERVICES_LOOKUP_DISABLE,
+				"true");
+		for (Entry<String, String> entry : this.jersey.getInit().entrySet()) {
+			registration.addInitParameter(entry.getKey(), entry.getValue());
+		}
+	}
+
 	@Override
 	public void onStartup(ServletContext servletContext) throws ServletException {
 		// We need to switch *off* the Jersey WebApplicationInitializer because it
@@ -138,7 +154,9 @@ public class JerseyAutoConfiguration implements WebApplicationInitializer {
 			return "/*";
 		}
 		String path = annotation.value();
-		return ((path.isEmpty() || path.equals("/")) ? "/*" : path + "/*");
+		if (!path.startsWith("/")) {
+			path = "/" + path;
+		}
+		return path.equals("/") ? "/*" : path + "/*";
 	}
-
 }

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jersey/JerseyProperties.java

@@ -15,6 +15,9 @@
  */
 package org.springframework.boot.autoconfigure.jersey;
 
+import java.util.HashMap;
+import java.util.Map;
+
 import org.springframework.boot.context.properties.ConfigurationProperties;
 
 /**
@@ -30,10 +33,12 @@ public class JerseyProperties {
 
 	private Type type = Type.servlet;
 
+	private Map<String, String> init = new HashMap<String, String>();
+
 	private Filter filter = new Filter();
 
 	public Filter getFilter() {
-		return filter;
+		return this.filter;
 	}
 
 	public void setFilter(Filter filter) {
@@ -41,19 +46,27 @@ public class JerseyProperties {
 	}
 
 	public Type getType() {
-		return type;
+		return this.type;
 	}
 
 	public void setType(Type type) {
 		this.type = type;
 	}
 
+	public Map<String, String> getInit() {
+		return this.init;
+	}
+
+	public void setInit(Map<String, String> init) {
+		this.init = init;
+	}
+
 	public static class Filter {
 
 		private int order;
 
 		public int getOrder() {
-			return order;
+			return this.order;
 		}
 
 		public void setOrder(int order) {

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomFilterContextPathTests.java

@@ -0,0 +1,106 @@
+/*
+ * 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.jersey;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import javax.ws.rs.ApplicationPath;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+
+import org.glassfish.jersey.server.ResourceConfig;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
+import org.springframework.boot.autoconfigure.jersey.JerseyAutoConfigurationCustomFilterContextPathTests.Application;
+import org.springframework.boot.autoconfigure.web.EmbeddedServletContainerAutoConfiguration;
+import org.springframework.boot.autoconfigure.web.ServerPropertiesAutoConfiguration;
+import org.springframework.boot.test.IntegrationTest;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.boot.test.TestRestTemplate;
+import org.springframework.context.annotation.Import;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.web.client.RestTemplate;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests for {@link JerseyAutoConfiguration} when using custom servlet paths.
+ *
+ * @author Dave Syer
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = Application.class)
+@IntegrationTest({ "server.port=0", "spring.jersey.type=filter",
+		"server.contextPath=/app" })
+@WebAppConfiguration
+public class JerseyAutoConfigurationCustomFilterContextPathTests {
+
+	@Value("${local.server.port}")
+	private int port;
+
+	private RestTemplate restTemplate = new TestRestTemplate();
+
+	@Test
+	public void contextLoads() {
+		ResponseEntity<String> entity = this.restTemplate.getForEntity(
+				"http://localhost:" + this.port + "/app/rest/hello", String.class);
+		assertEquals(HttpStatus.OK, entity.getStatusCode());
+	}
+
+	@MinimalWebConfiguration
+	@ApplicationPath("/rest")
+	@Path("/hello")
+	public static class Application extends ResourceConfig {
+
+		@Value("${message:World}")
+		private String msg;
+
+		@GET
+		public String message() {
+			return "Hello " + this.msg;
+		}
+
+		public Application() {
+			register(Application.class);
+		}
+
+		public static void main(String[] args) {
+			SpringApplication.run(Application.class, args);
+		}
+
+	}
+
+	@Target(ElementType.TYPE)
+	@Retention(RetentionPolicy.RUNTIME)
+	@Documented
+	@Import({ EmbeddedServletContainerAutoConfiguration.class,
+			ServerPropertiesAutoConfiguration.class, JerseyAutoConfiguration.class,
+			PropertyPlaceholderAutoConfiguration.class })
+	protected static @interface MinimalWebConfiguration {
+	}
+
+}

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomFilterPathTests.java

@@ -16,8 +16,6 @@
 
 package org.springframework.boot.autoconfigure.jersey;
 
-import static org.junit.Assert.assertEquals;
-
 import java.lang.annotation.Documented;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
@@ -34,7 +32,7 @@ import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
-import org.springframework.boot.autoconfigure.jersey.JerseyAutoConfigurationFilterTests.Application;
+import org.springframework.boot.autoconfigure.jersey.JerseyAutoConfigurationCustomFilterPathTests.Application;
 import org.springframework.boot.autoconfigure.web.EmbeddedServletContainerAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.ServerPropertiesAutoConfiguration;
 import org.springframework.boot.test.IntegrationTest;
@@ -47,6 +45,8 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.test.context.web.WebAppConfiguration;
 import org.springframework.web.client.RestTemplate;
 
+import static org.junit.Assert.assertEquals;
+
 /**
  * Tests for {@link JerseyAutoConfiguration} when using custom servlet paths.
  *
@@ -56,7 +56,7 @@ import org.springframework.web.client.RestTemplate;
 @SpringApplicationConfiguration(classes = Application.class)
 @IntegrationTest({ "server.port=0", "spring.jersey.type=filter" })
 @WebAppConfiguration
-public class JerseyAutoConfigurationFilterTests {
+public class JerseyAutoConfigurationCustomFilterPathTests {
 
 	@Value("${local.server.port}")
 	private int port;
@@ -71,7 +71,7 @@ public class JerseyAutoConfigurationFilterTests {
 	}
 
 	@MinimalWebConfiguration
-	@ApplicationPath("/rest")
+	@ApplicationPath("rest")
 	@Path("/hello")
 	public static class Application extends ResourceConfig {
 

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationCustomServletContextPathTests.java

@@ -0,0 +1,105 @@
+/*
+ * 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.jersey;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import javax.ws.rs.ApplicationPath;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+
+import org.glassfish.jersey.server.ResourceConfig;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
+import org.springframework.boot.autoconfigure.jersey.JerseyAutoConfigurationCustomServletContextPathTests.Application;
+import org.springframework.boot.autoconfigure.web.EmbeddedServletContainerAutoConfiguration;
+import org.springframework.boot.autoconfigure.web.ServerPropertiesAutoConfiguration;
+import org.springframework.boot.test.IntegrationTest;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.boot.test.TestRestTemplate;
+import org.springframework.context.annotation.Import;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.web.client.RestTemplate;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests for {@link JerseyAutoConfiguration} when using custom servlet paths.
+ *
+ * @author Dave Syer
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = Application.class)
+@IntegrationTest({ "server.port=0", "server.contextPath=/app" })
+@WebAppConfiguration
+public class JerseyAutoConfigurationCustomServletContextPathTests {
+
+	@Value("${local.server.port}")
+	private int port;
+
+	private RestTemplate restTemplate = new TestRestTemplate();
+
+	@Test
+	public void contextLoads() {
+		ResponseEntity<String> entity = this.restTemplate.getForEntity(
+				"http://localhost:" + this.port + "/app/rest/hello", String.class);
+		assertEquals(HttpStatus.OK, entity.getStatusCode());
+	}
+
+	@MinimalWebConfiguration
+	@ApplicationPath("/rest")
+	@Path("/hello")
+	public static class Application extends ResourceConfig {
+
+		@Value("${message:World}")
+		private String msg;
+
+		@GET
+		public String message() {
+			return "Hello " + this.msg;
+		}
+
+		public Application() {
+			register(Application.class);
+		}
+
+		public static void main(String[] args) {
+			SpringApplication.run(Application.class, args);
+		}
+
+	}
+
+	@Target(ElementType.TYPE)
+	@Retention(RetentionPolicy.RUNTIME)
+	@Documented
+	@Import({ EmbeddedServletContainerAutoConfiguration.class,
+			ServerPropertiesAutoConfiguration.class, JerseyAutoConfiguration.class,
+			PropertyPlaceholderAutoConfiguration.class })
+	protected static @interface MinimalWebConfiguration {
+	}
+
+}

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jersey/JerseyAutoConfigurationDefaultFilterPathTests.java

@@ -0,0 +1,103 @@
+/*
+ * 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.jersey;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+
+import org.glassfish.jersey.server.ResourceConfig;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
+import org.springframework.boot.autoconfigure.jersey.JerseyAutoConfigurationDefaultFilterPathTests.Application;
+import org.springframework.boot.autoconfigure.web.EmbeddedServletContainerAutoConfiguration;
+import org.springframework.boot.autoconfigure.web.ServerPropertiesAutoConfiguration;
+import org.springframework.boot.test.IntegrationTest;
+import org.springframework.boot.test.SpringApplicationConfiguration;
+import org.springframework.boot.test.TestRestTemplate;
+import org.springframework.context.annotation.Import;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.web.client.RestTemplate;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests for {@link JerseyAutoConfiguration} when using custom servlet paths.
+ *
+ * @author Dave Syer
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringApplicationConfiguration(classes = Application.class)
+@IntegrationTest({ "server.port=0", "spring.jersey.type=filter" })
+@WebAppConfiguration
+public class JerseyAutoConfigurationDefaultFilterPathTests {
+
+	@Value("${local.server.port}")
+	private int port;
+
+	private RestTemplate restTemplate = new TestRestTemplate();
+
+	@Test
+	public void contextLoads() {
+		ResponseEntity<String> entity = this.restTemplate.getForEntity(
+				"http://localhost:" + this.port + "/hello", String.class);
+		assertEquals(HttpStatus.OK, entity.getStatusCode());
+	}
+
+	@MinimalWebConfiguration
+	@Path("/hello")
+	public static class Application extends ResourceConfig {
+
+		@Value("${message:World}")
+		private String msg;
+
+		@GET
+		public String message() {
+			return "Hello " + this.msg;
+		}
+
+		public Application() {
+			register(Application.class);
+		}
+
+		public static void main(String[] args) {
+			SpringApplication.run(Application.class, args);
+		}
+
+	}
+
+	@Target(ElementType.TYPE)
+	@Retention(RetentionPolicy.RUNTIME)
+	@Documented
+	@Import({ EmbeddedServletContainerAutoConfiguration.class,
+			ServerPropertiesAutoConfiguration.class, JerseyAutoConfiguration.class,
+			PropertyPlaceholderAutoConfiguration.class })
+	protected static @interface MinimalWebConfiguration {
+	}
+
+}

spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc

@@ -1083,11 +1083,22 @@ can `@Autowired` dependencies and inject external configuration with `@Value`. T
 servlet will be registered and mapped to '`+/*+`' by default. You can change the mapping
 by adding `@ApplicationPath` to your `ResourceConfig`.
 
+By default Jersey will be set up as a Servlet in a `@Bean` of type
+`ServletRegistrationBean` named "jerseyServletRegistration". You can
+disable or override that bean by creating one of your own with the
+same name. You can also use a Filter instead of a Servlet by setting
+`spring.jersey.type=filter` (in which case the `@Bean` to replace or
+override is "jerseyFilterRegistration"). The servlet has an `@Order`
+which you can set with `spring.jersey.filter.order`. Both the Servlet
+and the Filter registrations can be given init parameters using
+`spring.jersey.init.*` to specify a map of properties.
+
 There is a {github-code}/spring-boot-samples/spring-boot-sample-jersey[Jersey sample] so
 you can see how to set things up. There is also a {github-code}/spring-boot-samples/spring-boot-sample-jersey1[Jersey 1.x sample].
 Note that in the Jersey 1.x sample that the spring-boot maven plugin has been configured to
-unpack some Jersey jars so they can be scanned by the JAX-RS implementation (the sample
+unpack some Jersey jars so they can be scanned by the JAX-RS implementation (because the sample
-asks for them to be scanned in its `Filter` registration).
+asks for them to be scanned in its `Filter` registration). You may need to do the same
+if any of your JAX-RS resources are packages as nested jars.