issue #129: make a handler for INDEX_OP so child method call gets a proper suggested indent level

src/main/java/com/puppycrawl/tools/checkstyle/checks/indentation/HandlerFactory.java

@@ -118,6 +118,7 @@ public class HandlerFactory
         register(TokenTypes.BOR_ASSIGN, AssignHandler.class);
         register(TokenTypes.VARIABLE_DEF, MemberDefHandler.class);
         register(TokenTypes.LITERAL_NEW, NewHandler.class);
+        register(TokenTypes.INDEX_OP, IndexHandler.class);
     }
 
     /**

src/main/java/com/puppycrawl/tools/checkstyle/checks/indentation/IndexHandler.java

@@ -0,0 +1,58 @@
+////////////////////////////////////////////////////////////////////////////////
+// checkstyle: Checks Java source code for adherence to a set of rules.
+// Copyright (C) 2001-2014  Oliver Burn
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+////////////////////////////////////////////////////////////////////////////////
+package com.puppycrawl.tools.checkstyle.checks.indentation;
+
+import com.puppycrawl.tools.checkstyle.api.DetailAST;
+
+/**
+ * Handler for array index operation.
+ *
+ * @author yudindi
+ */
+public class IndexHandler extends ExpressionHandler
+{
+
+    /**
+     * Construct an instance of this handler with the given indentation check,
+     * abstract syntax tree, and parent handler.
+     *
+     * @param aIndentCheck   the indentation check
+     * @param aAST           the abstract syntax tree
+     * @param aParent        the parent handler
+     */
+    public IndexHandler(IndentationCheck aIndentCheck,
+                      DetailAST aAST,
+                      ExpressionHandler aParent)
+    {
+        super(aIndentCheck, "index op", aAST, aParent);
+    }
+
+    @Override
+    public void checkIndentation()
+    {
+        // do nothing. Used to provide a correct suggested child level for now.
+    }
+
+    @Override
+    public IndentLevel suggestedChildLevel(ExpressionHandler aChild)
+    {
+        return getLevel();
+    }
+
+}

src/test/java/com/puppycrawl/tools/checkstyle/checks/indentation/IndentationCheckTest.java

@@ -134,6 +134,7 @@ public class IndentationCheckTest extends BaseCheckTestSupport
             "164: method def child at indentation level 4 not at correct indentation, 8",
             "169: method def child at indentation level 4 not at correct indentation, 8",
             "173: method def return type at indentation level 0 not at correct indentation, 4",
+            "184: method def child at indentation level 12 not at correct indentation, 8",
         };
         verify(c, fname, expected);
     }

src/test/resources/com/puppycrawl/tools/checkstyle/indentation/InputInvalidMethodIndent.java

@@ -175,4 +175,12 @@ int[]
     {
         return null;
     }
+
+    private int[] getArray() {
+        return new int[] {1};
+    }
+
+    private void indexTest() {
+            getArray()[0] = 2;
+    }
 }

src/test/resources/com/puppycrawl/tools/checkstyle/indentation/InputValidMethodIndent.java

@@ -181,5 +181,13 @@ public class InputValidMethodIndent extends java.awt.event.MouseAdapter implemen
 
    
     }
+
+    private int[] getArray() {
+        return new int[] {1};
+    }
+
+    private void indexTest() {
+        getArray()[0] = 2;
+    }
         
 }