More sonar fixes in policy/common

Note: this does not increase code coverage, but should fix other
code issues.

Resolved cyclomatic complexity issue in ParameterValidationResult.
Refactored duplicate code in GroupValidationResult.
Removed IOException from NetworkUtil "throws".
Replaced null/empty string tests with StringUtils.isBlank().
Added @FunctionalInterface where needed.
Replaced anonymous classes with lambda expressions.
Replaced duplicate strings with a constant.
Added private constructors for utility classes.
Removed sleep() from tests.
Removed unused parameter from method call.
Made some protected methods private.
Compute integrity monitor's state-transition table once.
Use for-loop instead of iterator.
Moved constructors.
Fixed some checkstyle issues (tabs => spaces, trailing spaces).

Change-Id: I9a962ca45c4ff3f212c6014da799d06f07b232ef
Issue-ID: POLICY-1791
Signed-off-by: Jim Hahn <jrh3@att.com>
22 files changed
tree: 9913cc94014b3e99774e9ec5e39a7211046a765a
  1. capabilities/
  2. common-logging/
  3. common-parameters/
  4. gson/
  5. integrity-audit/
  6. integrity-monitor/
  7. policy-endpoints/
  8. project-configs/
  9. utils/
  10. utils-test/
  11. .gitattributes
  12. .gitignore
  13. .gitreview
  14. INFO.yaml
  15. LICENSE.txt
  16. lombok.config
  17. pom.xml
  18. README.md
  19. version.properties
README.md

Copyright 2018 AT&T Intellectual Property. All rights reserved. This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE Full license text at https://creativecommons.org/licenses/by/4.0/legalcode

This source repository contains ONAP common code, which is shared by 'policy-drools-pdp' and 'policy-engine'. To build it:

  1. using Maven 3
  2. git clone http://gerrit.onap.org/r/oparent and copy oparent/settings.xml to ~/.m2
  3. mvn clean install