Use SourceVersion.latestSupported() to avoid warning with JDK 7.

compiler/src/main/java/dagger/internal/codegen/FullGraphProcessor.java

@@ -34,7 +34,6 @@
 import javax.annotation.processing.AbstractProcessor;
 import javax.annotation.processing.RoundEnvironment;
 import javax.annotation.processing.SupportedAnnotationTypes;
-import javax.annotation.processing.SupportedSourceVersion;
 import javax.inject.Singleton;
 import javax.lang.model.SourceVersion;
 import javax.lang.model.element.Element;
@@ -52,10 +51,13 @@
  * Performs full graph analysis on a module.
  */
 @SupportedAnnotationTypes("dagger.Module")
-@SupportedSourceVersion(SourceVersion.RELEASE_6)
 public final class FullGraphProcessor extends AbstractProcessor {
   private final Set<String> delayedModuleNames = new LinkedHashSet<String>();
 
+  @Override public SourceVersion getSupportedSourceVersion() {
+    return SourceVersion.latestSupported();
+  }
+
   /**
    * Perform full-graph analysis on complete modules. This checks that all of
    * the module's dependencies are satisfied.

compiler/src/main/java/dagger/internal/codegen/InjectProcessor.java

@@ -30,7 +30,6 @@
 import javax.annotation.processing.AbstractProcessor;
 import javax.annotation.processing.RoundEnvironment;
 import javax.annotation.processing.SupportedAnnotationTypes;
-import javax.annotation.processing.SupportedSourceVersion;
 import javax.inject.Inject;
 import javax.inject.Provider;
 import javax.inject.Singleton;
@@ -58,10 +57,13 @@
  * {@literal @}{@code Inject}-annotated members of a class.
  */
 @SupportedAnnotationTypes("javax.inject.Inject")
-@SupportedSourceVersion(SourceVersion.RELEASE_6)
 public final class InjectProcessor extends AbstractProcessor {
   private final Set<String> remainingTypeNames = new LinkedHashSet<String>();
 
+  @Override public SourceVersion getSupportedSourceVersion() {
+    return SourceVersion.latestSupported();
+  }
+
   @Override public boolean process(Set<? extends TypeElement> types, RoundEnvironment env) {
     remainingTypeNames.addAll(getInjectedClassNames(env));
     for (Iterator<String> i = remainingTypeNames.iterator(); i.hasNext();) {

compiler/src/main/java/dagger/internal/codegen/ProvidesProcessor.java

@@ -35,7 +35,6 @@
 import javax.annotation.processing.AbstractProcessor;
 import javax.annotation.processing.RoundEnvironment;
 import javax.annotation.processing.SupportedAnnotationTypes;
-import javax.annotation.processing.SupportedSourceVersion;
 import javax.inject.Provider;
 import javax.inject.Singleton;
 import javax.lang.model.SourceVersion;
@@ -62,13 +61,16 @@
  * for each {@code @Provides} method of a target class.
  */
 @SupportedAnnotationTypes({ "dagger.Provides", "dagger.Module" })
-@SupportedSourceVersion(SourceVersion.RELEASE_6)
 public final class ProvidesProcessor extends AbstractProcessor {
   private final LinkedHashMap<String, List<ExecutableElement>> remainingTypes =
       new LinkedHashMap<String, List<ExecutableElement>>();
   private static final String BINDINGS_MAP = JavaWriter.type(
       Map.class, String.class.getCanonicalName(), Binding.class.getCanonicalName() + "<?>");
 
+  @Override public SourceVersion getSupportedSourceVersion() {
+    return SourceVersion.latestSupported();
+  }
+
   // TODO: include @Provides methods from the superclass
   @Override public boolean process(Set<? extends TypeElement> types, RoundEnvironment env) {
     remainingTypes.putAll(providerMethodsByClass(env));