cleanup: remove redundant casts

src/org/jetbrains/java/decompiler/main/rels/LambdaProcessor.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package org.jetbrains.java.decompiler.main.rels;
 
 import org.jetbrains.java.decompiler.code.CodeConstants;
@@ -38,7 +38,7 @@ public class LambdaProcessor {
     }
 
     StructBootstrapMethodsAttribute bootstrap =
-      (StructBootstrapMethodsAttribute)cl.getAttribute(StructGeneralAttribute.ATTRIBUTE_BOOTSTRAP_METHODS);
+      cl.getAttribute(StructGeneralAttribute.ATTRIBUTE_BOOTSTRAP_METHODS);
     if (bootstrap == null || bootstrap.getMethodsNumber() == 0) {
       return; // no bootstrap constants in pool
     }

src/org/jetbrains/java/decompiler/modules/decompiler/ExprProcessor.java

@@ -269,8 +269,7 @@ public class ExprProcessor implements CodeConstants {
   public void processBlock(BasicBlockStatement stat, PrimitiveExprsList data, StructClass cl) {
 
     ConstantPool pool = cl.getPool();
-    StructBootstrapMethodsAttribute bootstrap =
-      (StructBootstrapMethodsAttribute)cl.getAttribute(StructGeneralAttribute.ATTRIBUTE_BOOTSTRAP_METHODS);
+    StructBootstrapMethodsAttribute bootstrap = cl.getAttribute(StructGeneralAttribute.ATTRIBUTE_BOOTSTRAP_METHODS);
 
     BasicBlock block = stat.getBlock();
 

src/org/jetbrains/java/decompiler/modules/decompiler/IdeaNotNullHelper.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package org.jetbrains.java.decompiler.modules.decompiler;
 
 import org.jetbrains.java.decompiler.code.CodeConstants;
@@ -73,7 +73,7 @@ public class IdeaNotNullHelper {
 
             // parameter annotations
             StructAnnotationParameterAttribute param_annotations =
-              (StructAnnotationParameterAttribute)mt.getAttribute(StructGeneralAttribute.ATTRIBUTE_RUNTIME_INVISIBLE_PARAMETER_ANNOTATIONS);
+              mt.getAttribute(StructGeneralAttribute.ATTRIBUTE_RUNTIME_INVISIBLE_PARAMETER_ANNOTATIONS);
             if (param_annotations != null) {
 
               List<List<AnnotationExprent>> param_annotations_lists = param_annotations.getParamAnnotations();
@@ -155,8 +155,7 @@ public class IdeaNotNullHelper {
     boolean is_notnull_check = false;
 
     // method annotation, refers to the return value
-    StructAnnotationAttribute attr =
-      (StructAnnotationAttribute)mt.getAttribute(StructGeneralAttribute.ATTRIBUTE_RUNTIME_INVISIBLE_ANNOTATIONS);
+    StructAnnotationAttribute attr = mt.getAttribute(StructGeneralAttribute.ATTRIBUTE_RUNTIME_INVISIBLE_ANNOTATIONS);
     if (attr != null) {
       List<AnnotationExprent> annotations = attr.getAnnotations();
 

src/org/jetbrains/java/decompiler/modules/decompiler/exps/VarExprent.java

@@ -1,6 +1,4 @@
-/*
- * Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package org.jetbrains.java.decompiler.modules.decompiler.exps;
 
 import org.jetbrains.java.decompiler.code.CodeConstants;
@@ -143,8 +141,8 @@ public class VarExprent extends Exprent {
         if (originalIndex != null) {
           // first try from signature
           if (DecompilerContext.getOption(IFernflowerPreferences.DECOMPILE_GENERIC_SIGNATURES)) {
-            StructLocalVariableTypeTableAttribute attr = (StructLocalVariableTypeTableAttribute)method.methodStruct
-              .getAttribute(StructGeneralAttribute.ATTRIBUTE_LOCAL_VARIABLE_TYPE_TABLE);
+            StructLocalVariableTypeTableAttribute attr =
+              method.methodStruct.getAttribute(StructGeneralAttribute.ATTRIBUTE_LOCAL_VARIABLE_TYPE_TABLE);
             if (attr != null) {
               String signature = attr.getSignature(originalIndex, visibleOffset);
               if (signature != null) {

src/org/jetbrains/java/decompiler/struct/StructMethod.java

@@ -380,7 +380,7 @@ public class StructMethod extends StructMember {
   }
 
   public StructLocalVariableTableAttribute getLocalVariableAttr() {
-    return (StructLocalVariableTableAttribute)getAttribute(StructGeneralAttribute.ATTRIBUTE_LOCAL_VARIABLE_TABLE);
+    return getAttribute(StructGeneralAttribute.ATTRIBUTE_LOCAL_VARIABLE_TABLE);
   }
 
   @Override