HDDS-12365. Sync IJ code style and run config via git

.editorconfig

@@ -0,0 +1,61 @@
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = false
+max_line_length = 120
+tab_width = 2
+ij_continuation_indent_size = 4
+ij_formatter_off_tag = @formatter:off
+ij_formatter_on_tag = @formatter:on
+ij_formatter_tags_enabled = true
+ij_smart_tabs = false
+ij_visual_guides = 
+ij_wrap_on_typing = false
+
+[*.java]
+ij_java_indent_case_from_switch = false
+ij_java_call_parameters_new_line_after_left_paren = false
+ij_java_call_parameters_right_paren_on_new_line = false
+ij_java_call_parameters_wrap = normal
+ij_java_method_parameters_new_line_after_left_paren = false
+ij_java_method_parameters_right_paren_on_new_line = false
+ij_java_method_parameters_wrap = normal
+ij_java_resource_list_new_line_after_left_paren = false
+ij_java_resource_list_right_paren_on_new_line = false
+ij_java_resource_list_wrap = normal
+ij_java_extends_list_wrap = normal
+ij_java_throws_list_wrap = normal
+ij_java_extends_keyword_wrap = normal
+ij_java_throws_keyword_wrap = normal
+ij_java_method_call_chain_wrap = normal
+ij_java_binary_operation_wrap = normal
+ij_java_ternary_operation_wrap = normal
+ij_java_for_statement_wrap = normal
+ij_java_array_initializer_wrap = normal
+ij_java_assignment_wrap = normal
+ij_java_assert_statement_wrap = normal
+ij_java_if_brace_force = always
+ij_java_do_while_brace_force = always
+ij_java_while_brace_force = always
+ij_java_for_brace_force = always
+ij_java_parameter_annotation_wrap = normal
+ij_java_variable_annotation_wrap = normal
+ij_java_enum_constants_wrap = normal
+ij_java_blank_lines_after_imports = 1
+ij_java_blank_lines_before_imports = 1
+ij_java_class_count_to_use_import_on_demand = 9999
+ij_java_packages_to_use_import_on_demand =
+ij_java_imports_layout = $*,|,*
+ij_java_layout_static_imports_separately = true
+ij_java_use_single_class_imports = true
+
+[.editorconfig]
+ij_editorconfig_align_group_field_declarations = false
+ij_editorconfig_space_after_colon = false
+ij_editorconfig_space_after_comma = true
+ij_editorconfig_space_before_colon = false
+ij_editorconfig_space_before_comma = false
+ij_editorconfig_spaces_around_assignment_operators = true
+

CONTRIBUTING.md

@@ -125,13 +125,9 @@ Basic code conventions followed by Ozone:
 
 These are checked by tools like Checkstyle and RAT.
 
-For IntelliJ users, it is recommended to import and select the Code Style scheme located at:
+Ozone checkstyle is shared via .editorconfig configuration file and will be automatically imported when the project is open.
 
-```
-./hadoop-ozone/dev-support/intellij/ozone-style.xml
-```
-
-See https://www.jetbrains.com/help/idea/configuring-code-style.html#import-code-style for detailed instructions.
+See https://www.jetbrains.com/help/idea/configure-project-settings.html#share-project-through-vcs for detailed instructions.
 
 ### Check your contribution
 
@@ -166,16 +162,17 @@ As Ozone uses Apache Maven it can be developed from any IDE.  IntelliJ IDEA is a
 
 ### Run Ozone from IntelliJ
 
-Ozone components depends on maven classpath. We generate classpath descriptor from the maven pom.xml files to use exactly the same classpath at runtime.
+Ozone components depend on maven classpath. We generate classpath descriptor from the maven pom.xml files to use exactly the same classpath at runtime.
 
-As a result, it's easy to start _all_ the components from IDE as the right classpath (without provided scope) has already been set.
+As a result, it's straightforward to start _all_ the components from IDE as the right classpath (without provided scope) has already been set.
 
-To start Ozone from IntelliJ:
+Ozone project already has pre-defined run configurations shared via standard IDE folder for run configurations:
+
+```
+./.run
+```
 
-1. Stop your IDE
-2. Execute the `./hadoop-ozone/dev-support/intellij/install-runconfigs.sh` helper script.
-3. Start the IDE
-4. New runner definitions are available from the Run menu.
+They will be automatically imported into IDE on project import. 
 
 You can use the installed Run configurations in the following order: