aws-samples / alexa-web-information-service-api-samples
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
  • 16% duplication:
    • 1,656 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
    • 274 duplicated lines
  • 10 duplicates
system16% (274 lines)
Duplication per Extension
php50% (146 lines)
java16% (128 lines)
Duplication per Component (primary)
java/src12% (84 lines)
php39% (73 lines)
legacy/php70% (73 lines)
legacy/java47% (44 lines)
javascript0% (0 lines)
python0% (0 lines)
legacy/perl0% (0 lines)
legacy/ruby0% (0 lines)
legacy/dotnet0% (0 lines)
dotnet0% (0 lines)

Duplication Between Components (50+ lines)

G legacy/php legacy/php php php legacy/php--php 146 java/src java/src legacy/java legacy/java java/src--legacy/java 88

Download: SVG DOT (open online Graphviz editor)

Open 3D force graph...

Show more details on duplication between components...
Longest Duplicates
The list of 10 longest duplicates.
See data for all 10 duplicates...
Size#FoldersFilesLinesCode
44 x 2 legacy/php
php
urlinfo.php
urlinfo.php
53:123 (42%)
180:250 (23%)
view
20 x 2 java/src/main/java/com/alexa/awisapi
legacy/java
AWIS.java
UrlInfo.java
108:143 (11%)
58:93 (21%)
view
15 x 2 legacy/php
php
urlinfo.php
urlinfo.php
34:49 (14%)
162:177 (8%)
view
14 x 2 legacy/php
php
urlinfo.php
urlinfo.php
125:145 (13%)
254:274 (7%)
view
11 x 2 java/src/main/java/com/alexa/awisapi
legacy/java
AWIS.java
UrlInfo.java
219:235 (6%)
111:127 (11%)
view
8 x 2 java/src/main/java/com/alexa/awisapi
java/src/main/java/com/alexa/awisapi
AuthenticationHelper.java
CognitoHelper.java
126:133 (2%)
68:75 (7%)
view
7 x 2 java/src/main/java/com/alexa/awisapi
legacy/java
AWIS.java
UrlInfo.java
74:81 (3%)
48:55 (7%)
view
6 x 2 java/src/main/java/com/alexa/awisapi
java/src/main/java/com/alexa/awisapi
CognitoHelper.java
CognitoHelper.java
97:102 (5%)
139:144 (5%)
view
6 x 2 java/src/main/java/com/alexa/awisapi
java/src/main/java/com/alexa/awisapi
CognitoJWTParser.java
CognitoJWTParser.java
49:54 (12%)
70:75 (12%)
view
6 x 2 java/src/main/java/com/alexa/awisapi
legacy/java
AWIS.java
UrlInfo.java
210:215 (3%)
104:109 (6%)
view
Duplicated Units
The list of top 4 duplicated units.
See data for all 4 unit duplicates...
Size#FoldersFilesLinesCode
15 x 2 php
legacy/php
urlinfo.php
urlinfo.php
197:212 
70:85 
view
14 x 2 php
legacy/php
urlinfo.php
urlinfo.php
220:234 
93:107 
view
12 x 2 php
legacy/php
urlinfo.php
urlinfo.php
264:276 
135:147 
view
7 x 2 php
legacy/php
urlinfo.php
urlinfo.php
184:191 
57:64 
view