Make source code Java 6 compatible

build.gradle

@@ -29,8 +29,8 @@ configurations {
   compile.extendsFrom providedCompile
 }
 [compileJava, compileTestJava]*.options*.compilerArgs = ["-Xlint:unchecked"]
-project.sourceCompatibility = 1.7
-project.targetCompatibility = 1.7
+project.sourceCompatibility = 1.6
+project.targetCompatibility = 1.6
 
 // Repositories
 repositories {
@@ -115,4 +115,4 @@ idea {
       }
     }
   }
-}
+}

src/main/java/org/springframework/data/rest/shell/commands/ContextCommands.java

@@ -44,7 +44,7 @@ public class ContextCommands implements CommandMarker, InitializingBean {
   private static final PropertyAccessor ENV_ACCESSOR = new EnvironmentAccessor();
   private static final Environment      ENV          = new StandardEnvironment();
 
-  final Map<String, Object> variables = new HashMap<>();
+  final Map<String, Object> variables = new HashMap<String, Object>();
   StandardEvaluationContext evalCtx;
 
   private final SpelExpressionParser parser              = new SpelExpressionParser();
@@ -179,7 +179,7 @@ public String evalAsString(String expr) {
 
   private void setup() {
     evalCtx = new StandardEvaluationContext(variables);
-    List<PropertyAccessor> accessors = new ArrayList<>();
+    List<PropertyAccessor> accessors = new ArrayList<PropertyAccessor>();
     accessors.add(MAP_ACCESOR);
     accessors.add(BEAN_ACCESOR);
     accessors.add(ENV_ACCESSOR);
@@ -188,4 +188,4 @@ private void setup() {
     variables.put("env", ENV);
   }
 
-}
+}

src/main/java/org/springframework/data/rest/shell/commands/DiscoveryCommands.java

@@ -54,7 +54,7 @@ public class DiscoveryCommands implements CommandMarker, ApplicationEventPublish
   private RestTemplate        client    = new RestTemplate();
   @Autowired(required = false)
   private ObjectMapper        mapper    = new ObjectMapper();
-  private Map<String, String> resources = new HashMap<>();
+  private Map<String, String> resources = new HashMap<String, String>();
 
   @Override public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
     this.ctx = applicationEventPublisher;
@@ -226,7 +226,7 @@ private class ExtractLinksHelper implements RequestCallback, ResponseExtractor<L
     }
 
     @Override public List<Link> extractData(ClientHttpResponse response) throws IOException {
-      List<Link> links = new ArrayList<>();
+      List<Link> links = new ArrayList<Link>();
 
       MediaType ct = response.getHeaders().getContentType();
       if(null != ct && ct.getSubtype().endsWith("json")) {

src/main/java/org/springframework/data/rest/shell/commands/HierarchyCommands.java

@@ -25,13 +25,8 @@ public class HierarchyCommands implements CommandMarker {
 
   @CliAvailabilityIndicator({"up"})
   public boolean isHierarchyAvailable() {
-    switch(configCmds.getBaseUri().getPath()) {
-      case "":
-      case "/":
-        return false;
-      default:
-        return true;
-    }
+    String path = configCmds.getBaseUri().getPath();
+    return !("".equals(path) || "/".equals(path));
   }
 
   /**
@@ -46,15 +41,10 @@ public void up() throws URISyntaxException {
 
     URI baseUri = configCmds.getBaseUri();
     String path = baseUri.getPath();
-    switch(path) {
-      case "":
-      case "/":
-        return;
-      default: {
-        int idx = path.lastIndexOf("/");
-        String newPath = path.substring(0, idx);
-        configCmds.setBaseUri(UriComponentsBuilder.fromUri(baseUri).replacePath(newPath).build().toUriString());
-      }
+    if (!("".equals(path) || "/".equals(path))) {
+      int idx = path.lastIndexOf("/");
+      String newPath = path.substring(0, idx);
+      configCmds.setBaseUri(UriComponentsBuilder.fromUri(baseUri).replacePath(newPath).build().toUriString());
     }
   }
 

src/main/java/org/springframework/data/rest/shell/commands/HistoryCommands.java

@@ -25,7 +25,7 @@ public class HistoryCommands implements CommandMarker, ApplicationListener<BaseU
 
   @Autowired
   private ConfigurationCommands configCmds;
-  private List<URI> baseUris = new ArrayList<>();
+  private List<URI> baseUris = new ArrayList<URI>();
 
   @Override public void onApplicationEvent(BaseUriChangedEvent event) {
     baseUris.add(event.getBaseUri());

src/main/java/org/springframework/data/rest/shell/commands/HttpCommands.java

@@ -493,8 +493,8 @@ private class RequestHelper implements RequestCallback,
 
     private Object    body;
     private MediaType contentType;
-    private HttpMessageConverterExtractor<String> extractor = new HttpMessageConverterExtractor<>(String.class,
-                                                                                                  restTemplate.getMessageConverters());
+    private HttpMessageConverterExtractor<String> extractor = new HttpMessageConverterExtractor<String>(String.class,
+                                                                                                        restTemplate.getMessageConverters());
     private ObjectMapper                          mapper    = new ObjectMapper();
 
     {
@@ -565,7 +565,7 @@ private RequestHelper(Object body, MediaType contentType) {
         body = sw.toString();
       }
 
-      return new ResponseEntity<>(body, response.getHeaders(), response.getStatusCode());
+      return new ResponseEntity<String>(body, response.getHeaders(), response.getStatusCode());
     }
   }
 

src/main/java/org/springframework/data/rest/shell/commands/Links.java

@@ -17,7 +17,7 @@
 public class Links {
 
   private final PropertyAccessor propertyAccessor = new Accessor();
-  private final List<Link>       links            = new ArrayList<>();
+  private final List<Link>       links            = new ArrayList<Link>();
 
   public Links() {
   }