Coca - toolbox for system refactoring and analysis

Coca is a toolbox which is design for legacy system refactoring and analysis, includes call graph, concept analysis, api tree, design patterns suggest. Coca 是一个用于系统重构、系统迁移和系统分析的工具箱。它可以分析代码中的测试坏味道、模块化分析、行数统计、分析调用与依赖、Git 分析以及自动化重构等。

Related Tools: Coco is an effective DevOps analysis and auto-suggest tool.

Kotlin version: Chapi

Migration Guide (Chinese Version): 《系统重构与迁移指南》

Inspired by: newlee & Tequila

Refactoring Modeling:

• Languages Support: Java (full features)

Features List:

Available Commands:
  analysis    analysis code
  api         scan HTTP api from annotation
  arch        project package visualization
  bs          generate bad smell list and suggestions
  call        show call graph with specific method
  cloc        count lines of code with complexity estimation
  concept     build domain concept from source code
  count       count most refs function
  evaluate    evaluate code situation and refactor effort
  git         analysis git commit history for revs count, summary and suggest
  help        Help about any command
  rcall       reverse call graph visualization
  refactor    auto refactor code
  suggest     find usable Design Patterns from code
  tbs         generate tests bad smell
  todo        scan all todo, and list with time
  version     version

Getting started

Requirements: graphviz for dot file to image (such as svg, png)

The easiest way to get coca is to use one of the pre-built release binaries which are available for OSX, Linux, Windows on the release page.

You can also install yourself :

go install github.com/modernizing/coca@latest

Usage

Analysis

coca analysis

Arch

coca arch

Android Studio Gradle DSL Module (merge header)

command: coca arch -x "com.android.tools.idea.gradle.dsl" -H true

Android Studio Gradle DSL Module Elements Part:

command: coca arch -x "com.android.tools.idea.gradle.dsl.parser.elements"

Find Bad Smells

coca bs -s type

Examples Result:

{
   "dataClass": [
      {
         "File": "examples/api/BookController.java",
         "BS": "dataClass"
      }
   ],
   "lazyElement": [
      {
         "File": "examples/api/model/BookRepresentaion.java",
         "BS": "lazyElement"
      }
   ]
}

Code Line Count

coca cloc

Results:

───────────────────────────────────────────────────────────────────────────────
Language                 Files     Lines   Blanks  Comments     Code Complexity
───────────────────────────────────────────────────────────────────────────────
Go                          58     31763     7132       890    23741       2847
Java                        44       971      208        21      742         62
Markdown                     8       238       75         0      163          0
Gherkin Specificati…         2        32        2        16       14          0
Document Type Defin…         1       293       36         0      257          0
License                      1       201       32         0      169          0
SQL                          1         2        0         0        2          0
SVG                          1       199        0        34      165          0
Shell                        1         3        1         1        1          0
XML                          1        13        0         0       13          0
gitignore                    1        61        8         4       49          0
───────────────────────────────────────────────────────────────────────────────
Total                      119     33776     7494       966    25316       2909
───────────────────────────────────────────────────────────────────────────────
Estimated Cost to Develop $803,822
Estimated Schedule Effort 14.120551 months
Estimated People Required 6.743156
───────────────────────────────────────────────────────────────────────────────

Results to json

coca cloc --by-file --format json

Cloc by directory

coca cloc ~/intellij-community/android/ --by-directory --include-ext=java,kt --not-match=".*(Test|Tests)\.(kt|java)"

results csv:

module,summary
adt-branding,169
adt-testutils,257
adt-ui,21987
adt-ui-model,3450
android,361270
android-adb,497
android-common,3280
android-debuggers,3030
android-kotlin,8816
android-lang,24796
android-lang-databinding,6392
android-layout-inspector,2533
...

Cloc Top File

coca cloc ~/intellij-community/android/designer/src/com/android/tools/idea --top-file --top-size 10

output to: coca_reporter/sort_cloc.json and also:

| LENGTH | COMPLEXITY |             LOCATION              |
|--------|------------|-----------------------------------|
|   1642 |        236 | ConstraintLayoutHandler.java      |
|   1492 |        375 | ConstraintComponentUtilities.java |
|   1189 |        166 | CommonActions.java                |
|   1184 |        325 | ConstraintWidget.java             |
|   1169 |        129 | SingleWidgetView.java             |
|   1115 |        213 | ScoutArrange.java                 |
|   1097 |        281 | ScoutWidget.java                  |
|   1081 |        224 | 3d/Rasterize.java                 |
|   1016 |        159 | LayoutlibSceneManager.java        |
|   1014 |        220 | TimeLinePanel.java                |

Build Deps Tree

coca call -c com.phodal.pholedge.book.BookController.createBook -r com.phodal.pholedge.

Examples Results:

Identify Spring API

coca api -f

With Count

coca api -r com.phodal.pholedge. -c 

or multi package:

coca api -r com.macro.mall.demo.controller.,com.zheng.cms.admin.,com.phodal.pholedge -c

+------+--------+------------------------------------------------+------------------------------------------------------------------------+
| SIZE | METHOD |                      URI                       |                                 CALLER                                 |
+------+--------+------------------------------------------------+------------------------------------------------------------------------+
|   36 | GET    | /aliyun/oss/policy                             | controller.OssController.policy                                        |
|   21 | POST   | /aliyun/osscallback                            | controller.OssController.callback                                      |
|   17 | GET    | /subject/list                                  | controller.CmsSubjectController.getList                                |
|   17 | GET    | /esProduct/search                              | search.controller.EsProductController.search                           |
|   17 | GET    | /order/list                                    | controller.OmsOrderController.list                                     |
|   17 | GET    | /productAttribute/list/{cid}                   | controller.PmsProductAttributeController.getList                       |
|   17 | GET    | /productCategory/list/{parentId}               | controller.PmsProductCategoryController.getList                        |
|   17 | GET    | /brand/list                                    | controller.PmsBrandController.getList                                  |
|   17 | GET    | /esProduct/search/simple                       | search.controller.EsProductController.search                           |
+------+--------+------------------------------------------------+------------------------------------------------------------------------+

Git Analysis

coca git -t

Results:

+---------------------------------------------------------------------------------------------------------------------+-----------+-------------+
|                                                     ENTITYNAME                                                      | REVSCOUNT | AUTHORCOUNT |
+---------------------------------------------------------------------------------------------------------------------+-----------+-------------+
| build.gradle                                                                                                        |      1326 |          36 |
| src/asciidoc/index.adoc                                                                                             |       239 |          20 |
| build-spring-framework/resources/changelog.txt                                                                      |       187 |          10 |
| spring-core/src/main/java/org/springframework/core/annotation/AnnotationUtils.java                                  |       170 |          10 |
| spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java                |       159 |          15 |
| src/docs/asciidoc/web/webmvc.adoc                                                                                   |       121 |          24 |
| spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassParse