Fix indentation in generated code

Author: rbygrave

blackbox-test-inject/src/main/java/org/example/myapp/lazy/LazyBean.java

@@ -17,6 +17,8 @@ public class LazyBean {
 
   @Inject @Nullable AtomicBoolean initialized;
 
+  public LazyBean() throws Exception {}
+
   @PostConstruct
   void init(BeanScope scope) {
     // note that nested test scopes will not be lazy

blackbox-test-inject/src/main/java/org/example/myapp/lazy/LazyFactory.java

@@ -14,7 +14,7 @@ public class LazyFactory {
 
   @Bean
   @Named("factory")
-  LazyBean lazyInt(@Nullable AtomicBoolean initialized) {
+  LazyBean lazyInt(@Nullable AtomicBoolean initialized) throws Exception {
 
     // note that nested test scopes will not be lazy
     if (initialized != null) initialized.set(true);

inject-generator/src/main/java/io/avaje/inject/generator/BeanReader.java

@@ -337,7 +337,7 @@ void addLifecycleCallbacks(Append writer, String indent) {
   void prototypePostConstruct(Append writer, String indent) {
     if (postConstructMethod != null) {
       var postConstruct = (ExecutableElement) postConstructMethod;
-      writer.append("%s bean.%s(", indent, postConstructMethod.getSimpleName());
+      writer.indent(indent).append(" bean.%s(", postConstructMethod.getSimpleName());
       if (postConstruct.getParameters().isEmpty()) {
         writer.append(");").eol();
       } else {

inject-generator/src/main/java/io/avaje/inject/generator/SimpleBeanWriter.java

@@ -208,7 +208,6 @@ private void writeAddFor(MethodReader constructor) {
     }
 
     writer.append("    }");
-
     writer.eol();
   }
 
@@ -226,13 +225,13 @@ private void writeCreateBean(MethodReader constructor) {
 
   private void writeExtraInjection() {
     if (!beanReader.registerProvider()) {
-      writer.indent("      ").append("builder.addInjector(b -> {").eol();
-      writer.indent("      ").append("  // field and method injection").eol();
+      writer.indent(indent).append(" builder.addInjector(b -> {").eol();
+      writer.indent(indent).append("   // field and method injection").eol();
     }
     injectFields();
     injectMethods();
     if (!beanReader.registerProvider()) {
-      writer.indent("      });").eol();
+      writer.indent(indent).append(" });").eol();
     }
   }