awslabs / aws-serverless-java-container
Duplication

Places in code with 6 or more lines that are exactly the same.

Intro
  • For duplication, we look at places in code where there are 6 or more lines of code that are exactly the same.
  • Before duplication is calculated, the code is cleaned to remove empty lines, comments, and frequently duplicated constructs such as imports.
  • You should aim at having as little as possible (<5%) of duplicated code as high-level of duplication can lead to maintenance difficulties, poor factoring, and logical contradictions.
Learn more...
Duplication Overall
  • 6% duplication:
    • 5,788 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
    • 395 duplicated lines
  • 35 duplicates
system6% (395 lines)
Duplication per Extension
java4% (271 lines)
yml80% (124 lines)
Duplication per Component (primary)
aws-serverless-java-container-core5% (255 lines)
aws-serverless-spring-archetype49% (33 lines)
aws-serverless-springboot2-archetype54% (33 lines)
aws-serverless-jersey-archetype44% (25 lines)
aws-serverless-spark-archetype39% (25 lines)
aws-serverless-struts2-archetype40% (24 lines)
aws-serverless-java-container-struts20% (0 lines)
aws-serverless-java-container-spring0% (0 lines)
aws-serverless-java-container-jersey0% (0 lines)
aws-serverless-java-container-springboot20% (0 lines)
aws-serverless-java-container-spark0% (0 lines)

Duplication Between Components (50+ lines)

G aws-serverless-spring-archetype aws-serverless-spring-archetype aws-serverless-springboot2-archetype aws-serverless-springboot2-archetype aws-serverless-spring-archetype--aws-serverless-springboot2-archetype 64 aws-serverless-spark-archetype aws-serverless-spark-archetype aws-serverless-spark-archetype--aws-serverless-spring-archetype 50 aws-serverless-jersey-archetype aws-serverless-jersey-archetype aws-serverless-jersey-archetype--aws-serverless-spring-archetype 50 aws-serverless-jersey-archetype--aws-serverless-spark-archetype 50

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Show more details on duplication between components...
Longest Duplicates
The list of 20 longest duplicates.
See data for all 35 duplicates...
Size#FoldersFilesLinesCode
25 x 2 aws-serverless-spark-arc...ces/archetype-resources
aws-serverless-spring-ar...ces/archetype-resources
template.yml
template.yml
26:52 (80%)
26:52 (80%)
view
25 x 2 aws-serverless-jersey-ar...ces/archetype-resources
aws-serverless-spring-ar...ces/archetype-resources
template.yml
template.yml
26:52 (80%)
26:52 (80%)
view
25 x 2 aws-serverless-jersey-ar...ces/archetype-resources
aws-serverless-spark-arc...ces/archetype-resources
template.yml
template.yml
26:52 (80%)
26:52 (80%)
view
17 x 2 aws-serverless-springboo...ces/archetype-resources
aws-serverless-struts2-a...ces/archetype-resources
template.yml
template.yml
35:52 (54%)
35:52 (54%)
view
16 x 2 aws-serverless-java-cont.../proxy/internal/servlet
aws-serverless-java-cont.../proxy/internal/servlet
AwsHttpApiV2ProxyHttpServletRequest.java
AwsProxyHttpServletRequest.java
427:453 (5%)
518:547 (5%)
view
15 x 2 aws-serverless-java-cont.../proxy/internal/servlet
aws-serverless-java-cont.../proxy/internal/servlet
AwsHttpApiV2ProxyHttpServletRequest.java
AwsProxyHttpServletRequest.java
402:426 (4%)
489:516 (4%)
view
12 x 2 aws-serverless-spark-arc...ces/archetype-resources
aws-serverless-struts2-a...ces/archetype-resources
template.yml
template.yml
40:52 (38%)
40:52 (38%)
view
12 x 2 aws-serverless-jersey-ar...ces/archetype-resources
aws-serverless-springboo...ces/archetype-resources
template.yml
template.yml
26:38 (38%)
26:38 (38%)
view
12 x 2 aws-serverless-jersey-ar...ces/archetype-resources
aws-serverless-struts2-a...ces/archetype-resources
template.yml
template.yml
40:52 (38%)
40:52 (38%)
view
12 x 2 aws-serverless-jersey-ar...ces/archetype-resources
aws-serverless-springboo...ces/archetype-resources
template.yml
template.yml
40:52 (38%)
40:52 (38%)
view
12 x 2 aws-serverless-spring-ar...ces/archetype-resources
aws-serverless-springboo...ces/archetype-resources
template.yml
template.yml
40:52 (38%)
40:52 (38%)
view
12 x 2 aws-serverless-spring-ar...ces/archetype-resources
aws-serverless-springboo...ces/archetype-resources
template.yml
template.yml
26:38 (38%)
26:38 (38%)
view
12 x 2 aws-serverless-spark-arc...ces/archetype-resources
aws-serverless-springboo...ces/archetype-resources
template.yml
template.yml
26:38 (38%)
26:38 (38%)
view
12 x 2 aws-serverless-spring-ar...ces/archetype-resources
aws-serverless-struts2-a...ces/archetype-resources
template.yml
template.yml
40:52 (38%)
40:52 (38%)
view
12 x 2 aws-serverless-spark-arc...ces/archetype-resources
aws-serverless-springboo...ces/archetype-resources
template.yml
template.yml
40:52 (38%)
40:52 (38%)
view
9 x 2 aws-serverless-java-cont.../proxy/internal/servlet
aws-serverless-java-cont.../proxy/internal/servlet
AwsHttpApiV2ProxyHttpServletRequest.java
AwsProxyHttpServletRequest.java
147:162 (2%)
184:202 (2%)
view
9 x 2 aws-serverless-java-cont.../proxy/internal/servlet
aws-serverless-java-cont.../proxy/internal/servlet
AwsHttpApiV2ProxyHttpServletRequest.java
AwsProxyHttpServletRequest.java
276:289 (2%)
351:365 (2%)
view
8 x 2 aws-serverless-java-cont.../proxy/internal/servlet
aws-serverless-java-cont.../proxy/internal/servlet
AwsHttpApiV2ProxyHttpServletRequest.java
AwsProxyHttpServletRequest.java
465:475 (2%)
562:572 (2%)
view
8 x 2 aws-serverless-java-cont.../proxy/internal/servlet
aws-serverless-java-cont.../proxy/internal/servlet
AwsServletRegistration.java
FilterHolder.java
80:92 (7%)
344:358 (4%)
view
8 x 2 aws-serverless-spring-ar...rc/main/java/controller
aws-serverless-springboo...rc/main/java/controller
PingController.java
PingController.java
11:18 (100%)
11:18 (100%)
view
Duplicated Units
The list of top 3 duplicated units.
See data for all 3 unit duplicates...
Size#FoldersFilesLinesCode
8 x 2 aws-serverless-java-cont.../proxy/internal/servlet
aws-serverless-java-cont.../proxy/internal/servlet
AwsProxyHttpServletRequest.java
AwsHttpApiV2ProxyHttpServletRequest.java
536:544 
443:451 
view
6 x 2 aws-serverless-java-cont.../proxy/internal/servlet
aws-serverless-java-cont.../proxy/internal/servlet
AwsProxyHttpServletRequest.java
AwsHttpApiV2ProxyHttpServletRequest.java
567:573 
470:476 
view
6 x 2 aws-serverless-java-cont.../proxy/internal/servlet
aws-serverless-java-cont.../proxy/internal/servlet
AwsAsyncContext.java
AwsServletContext.java
131:137 
351:363 
view