Env Controller support for {application} (_)

fixes gh-894

docs/src/main/asciidoc/spring-cloud-config.adoc

@@ -150,10 +150,10 @@ working copy as a cache.
 This repository implementation maps the `{label}` parameter of the
 HTTP resource to a git label (commit id, branch name or tag). If the
 git branch or tag name contains a slash ("/") then the label in the
-HTTP URL should be specified with the special string "(\_)" instead (to
+HTTP URL should be specified with the special string "(_)" instead (to
 avoid ambiguity with other URL paths).  For example, if the label is
 `foo/bar`, replacing the slash would result in a label that looks like
-`foo(_)bar`.  The inclusion of the special string "(\_)" can also be 
+`foo(_)bar`.  The inclusion of the special string "(_)" can also be
 applied to the `{application}` parameter. Be careful with the brackets 
 in the URL if you are using a command line client like curl (e.g.
 escape them from the shell with quotes '').
@@ -179,7 +179,7 @@ spring:
 or a "one repo per profile" policy using a similar pattern but with
 `{profile}`.
 
-Additionally, using the special string "(\_)" within your 
+Additionally, using the special string "(_)" within your
 `{application}` parameters can enable support for multiple 
 organizations (for example):
 
@@ -194,7 +194,7 @@ spring:
 ----
 
 where `{application}` is provided at request time in the format 
-"organization(\_)application".
+"organization(_)application".
 
 ===== Pattern Matching and Multiple Repositories
 

spring-cloud-config-server/src/main/java/org/springframework/cloud/config/server/environment/EnvironmentController.java

@@ -99,6 +99,11 @@ public class EnvironmentController {
 	@RequestMapping("/{name}/{profiles}/{label:.*}")
 	public Environment labelled(@PathVariable String name, @PathVariable String profiles,
 			@PathVariable String label) {
+		if (name != null && name.contains("(_)")) {
+			// "(_)" is uncommon in a git repo name, but "/" cannot be matched
+			// by Spring MVC
+			name = name.replace("(_)", "/");
+		}
 		if (label != null && label.contains("(_)")) {
 			// "(_)" is uncommon in a git branch name, but "/" cannot be matched
 			// by Spring MVC

spring-cloud-config-server/src/test/java/org/springframework/cloud/config/server/environment/EnvironmentControllerIntegrationTests.java

@@ -139,6 +139,15 @@ public class EnvironmentControllerIntegrationTests {
 				.andExpect(MockMvcResultMatchers.content().string(Matchers.containsString("\"propertySources\":")));
 	}
 
+	@Test
+	public void environmentWithApplicationContainingSlash() throws Exception {
+		Mockito.when(this.repository.findOne("foo/app", "default", null))
+				.thenReturn(new Environment("foo/app", "default"));
+		this.mvc.perform(MockMvcRequestBuilders.get("/foo(_)app/default"))
+				.andExpect(MockMvcResultMatchers.status().isOk())
+				.andExpect(MockMvcResultMatchers.content().string(Matchers.containsString("\"propertySources\":")));
+	}
+
 	@Configuration
 	@EnableWebMvc
 	@Import(PropertyPlaceholderAutoConfiguration.class)