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  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
================================================================================

# Java -> Compiler -> Errors/Warnings
=======================================

The following settings are for Eclipse 4.15 onwards
W = Warning
I = Ignore
E = Error

Code style
 - Non-static access to static member   - W
 - Indirect access to static member     - I
 - Unqualified access to instance field - I
 - Access to a non-accessible member... - I
 - Parameter assignment                 - I
 - Non-externalized strings             - I
 - Undocumented empty block             - I
 - Resource not managed via try-with-resource (1.7 or higher)  - I
 - Method with a constructor name       - W
 - Method can be static                 - I
 - Method can potentially be static     - I

Potential programming problems
 - All                                  - W
   except the following:

   - Unlikely argument type for...        - W
     [ ] Perform strict...
   - Incomplete 'switch' cases on enum    - W
     [ ] Signal even if 'default' case exists
   - 'switch' is missing 'default' case   - I
   - Potential resource leak              - I

Name shadowing and conflicts
 - Field declaration hides another...   - I
 - Local variable declaration hides..   - I
 - Type parameter hides another type    - W
 - Method does not override...          - W
 - Interface method conflicts...        - W

Deprecated and restricted API
 - Deprecated API                       - W
   ([ ] on all additional check boxes)
 - Deprecated API marked for removal    - W
 - Forbidden references                 - E
 - Discouraged reference                - W

Modules
 - All                                  - W

Unnecessary code
 - All                                  - W
   ([x] on all additional check boxes)
   except the following:

   - Value of exception parameter is...   - I
   - Unnecessary else                     - I

Generic types
 - All                                  - W
   [ ] Ignore unavoidable generic type problems

Annotations
 - All                                  - W
   ([x] on all additional check boxes)

Null analysis
 - Null pointer access                  - W
 - Potential null pointer access        - W
 - Redundant null check                 - W
   [ ] Include 'assert' in null analysis
   [ ] Enable annotation-based null analysis

Note: The list of codes supported in @SuppressWarnings annotation in
Eclipse IDE is documented here:

 3.6: http://help.eclipse.org/helios/topic/org.eclipse.jdt.doc.isv/guide/jdt_api_compile.htm
 3.7: http://help.eclipse.org/indigo/topic/org.eclipse.jdt.doc.user/tasks/task-suppress_warnings.htm
 4.2: http://help.eclipse.org/juno/topic/org.eclipse.jdt.doc.user/tasks/task-suppress_warnings.htm


# Java -> Compiler -> Javadoc
=============================

Enable 'Process Javadoc comments'
  - Malformed Javadoc comments          - W
    - Only consider members visible as  - Public
    [X] Validate tag arguments
        [ ] Report non-visible references
        [X] Report deprecated references
    - Missing tag descriptions          - Validate all standard tags
  - Missing Javadoc tags                - W
    - Only consider members visible as  - Public
    [X] - Ignore in overriding and implementing methods
    [ ] - Ignore method type parameters
  - Missing Javadoc comments            - I


# Java -> Code Style -> Organize Imports
==========================================

The following configuration of "Organize Imports" setting can be
recommended for a quick setup. The order is enforced by checkstyle, so for
the authoritative definition look at <module name="ImportOrder"> in
res/checkstyle/checkstyle.xml

 - java
 - javax
 - async
 - jsp2
 - [static] org.junit
 - org.junit
 - [static] org
 - org
 - com
 - util
