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

go install github.com/modernizing/coca@latest

Usage

Analysis

coca analysis

Arch

coca arch

Find Bad Smells

coca bs -stype

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

Code Line Count

coca cloc

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

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)"

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

Cloc Top File

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

| 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.

Identify Spring API

coca api -f

coca api -r 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

+---------------------------------------------------------------------------------------------------------------------+-----------+-------------+|                                                     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/ConfigurationClassParser.java|       118|           9|| src/dist/changelog.txt|       118|           9|| spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/WebMvcConfigurationSupport.java|       116|          15|| spring-beans/src/main/java/org/springframework/beans/factory/support/AbstractAutowireCapableBeanFactory.java|       113|          15|| spring-web/src/main/java/org/springframework/http/HttpHeaders.java|       111|          18|| src/docs/asciidoc/web/webflux.adoc|       108|          21|| spring-core/src/main/java/org/springframework/core/annotation/AnnotatedElementUtils.java|       107|           9|| spring-test/spring-test.gradle|       105|           7|| spring-webmvc/src/main/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapter.java|       105|          13|| spring-messaging/src/main/java/org/springframework/messaging/simp/stomp/StompBrokerRelayMessageHandler.java|       101|          12|| spring-web/src/main/java/org/springframework/web/client/RestTemplate.java|        98|          17|| spring-webmvc/src/main/java/org/springframework/web/servlet/resource/ResourceHttpRequestHandler.java|        96|          14|| org.springframework.core/src/main/java/org/springframework/core/convert/TypeDescriptor.java|        93|           4|| spring-core/src/main/java/org/springframework/core/ResolvableType.java|        92|          10|+---------------------------------------------------------------------------------------------------------------------+-----------+-------------+

Concept Analyser

coca concept

+------------------+--------+|      WORDS       | COUNTS |+------------------+--------+| context          |    590 || resolve          |    531 || path             |    501 || content          |    423 || code             |    416 || resource         |    373 || property         |    372 || session          |    364 || attribute        |    349 || properties       |    343 || headers          |    330 |+------------------+--------+

Count Refs

coca count

+------------+--------------------------------------------------------------------------+| REFS COUNT |                                  METHOD                                  |+------------+--------------------------------------------------------------------------+|          2 | com.phodal.pholedge.book.BookRepository.byId                             ||          2 | com.phodal.pholedge.book.model.Book.toRepresentation                     ||          2 | com.phodal.pholedge.book.BookRepository.save                             ||          2 | com.phodal.coca.analysis.JavaCallApp.parse                               ||          2 | com.phodal.pholedge.book.BookRepository.save                             ||          2 | com.phodal.coca.analysis.JavaCallApp.parse                               ||          1 | com.phodal.pholedge.book.model.Book.save                                 ||          1 | evolution.analysis.jv.calls.JavaCallVisitor.parseNewType                 ||          1 | evolution.analysis.jv.calls.JavaCallVisitor.isNotSpecialNewWord          ||          1 | com.phodal.pholedge.book.BookMapper.byId                                 ||          1 | com.phodal.pholedge.book.BookService.updateBook                          ||          1 | com.phodal.pholedge.book.BookService.getBooksLists                       ||          1 | com.phodal.pholedge.book.BookService.getBookById                         ||          1 | com.phodal.pholedge.book.BookMapper.doSave                               ||          1 | com.phodal.pholedge.book.BookMapper.list                                 ||          1 | com.phodal.pholedge.book.BookService.createBook                          ||          1 | com.phodal.pholedge.book.BookFactory.create                              ||          1 | com.phodal.pholedge.book.BookRepository.list                             ||          1 | com.phodal.pholedge.book.model.Book.create                               |+------------+--------------------------------------------------------------------------+

Reverse Call Graph

coca rcall -c org.bytedeco.javacpp.tools.TokenIndexer.get

digraph G { edge [dir="back"];"org.bytedeco.javacpp.tools.Parser.extern" -> "org.bytedeco.javacpp.tools.Parser.declarations";"org.bytedeco.javacpp.tools.Parser.declarations" -> "org.bytedeco.javacpp.tools.Parser.extern";...}

Auto Refactor

coca refactor -R rename.coca -p src/maincoca refactor -m move.config -p .

Evaluate

coca evaluate

+--------------------------------+-------+-----------------------+-------+-----------+|              TYPE              | COUNT |         LEVEL         | TOTAL |   RATE    |+--------------------------------+-------+-----------------------+-------+-----------+| Nullable / Return Null         |     0 | Method                |  1615 | 0.00%     || Utils                          |     7 | Class                 |   252 | 2.78%     || Static Method                  |     0 | Method                |  1615 | 0.43%     || Average Method Num.            |  1615 | Method/Class          |   252 |  6.408730 || Method Num. Std Dev / 标准差   |  1615 | Class                 | -     |  7.344917 || Average Method Length          | 13654 | Without Getter/Setter |  1100 | 12.412727 || Method Length Std Dev / 标准差 |  1615 | Method                | -     | 20.047092 |+--------------------------------+-------+-----------------------+-------+-----------+

|              TYPE              | TYPE COUNT |         LEVEL         | LEVEL TOTAL | VALUE = COUNT / TOTAL ||--------------------------------|------------|-----------------------|-------------|-----------------------|| Nullable / Return Null         |          0 | Method                |           6 | 0.00%                 || Utils                          |          0 | Class                 |          14 | 0.00%                 || Static Method                  |          1 | Method                |           6 | 0.00%                 || Average Method Num.            |          6 | Method/Class          |          14 |              0.428571 || Method Num. Std Dev / 标准差   |          6 | Class                 | -           |              0.646206 || Average Method Length          |          0 | Without Getter/Setter |           0 | NaN                   || Method Length Std Dev / 标准差 |          0 | Method                | -           | NaN                   |

{"Nullable": {"Items": ["nonnull.Name.testNull","nonnull.Name.orElseNull","org.ofbiz.base.util.UtilURL.fromResource","org.ofbiz.base.util.UtilURL.getOfbizHomeRelativeLocationFromFilePath","study.huhao.demo.adapters.outbound.persistence.blog.BlogPO.toDomainModel","study.huhao.demo.adapters.outbound.persistence.blog.BlogPO.toDomainModel","study.huhao.demo.adapters.outbound.persistence.blog.BlogPO.of","study.huhao.demo.infrastructure.persistence.blog.BlogPO.convertDomain"]},"ServiceSummary": {"LifecycleMap":null,"ReturnTypeMap": {"BookRepresentaion": ["com.phodal.pholedge.book.BookService.getBookById","com.phodal.pholedge.book.BookService.updateBook"]},"RelatedMethod":null},"UtilsSummary": {},"Summary": {"UtilsCount":1,"ClassCount":64,"MethodCount":161,"StaticMethodCount":19}}

Todo

coca todo

+------------+-----------------+--------------------------------+--------------------------------------------------------------------------------------+------+|    DATE    |     AUTHOR      |            MESSAGES            |                                       FILENAME                                       | LINE |+------------+-----------------+--------------------------------+--------------------------------------------------------------------------------------+------+| 2019-12-09 | Cristian Maglie | happens on macosx, don't know  | app/src/cc/arduino/contributions/libraries/ui/ContributedLibraryTableCellJPanel.java |  118 ||            |                 | why                            |                                                                                      |      || 2019-12-09 | Cristian Maglie | Make this a method of Theme    | app/src/cc/arduino/contributions/libraries/ui/ContributedLibraryTableCellJPanel.java |  233 || 2019-12-09 | Cristian Maglie | Do a better job in refreshing  | app/src/cc/arduino/contributions/libraries/ui/LibraryManagerUI.java                  |  241 ||            |                 | only the needed element        |                                                                                      |      || 2019-12-09 | Cristian Maglie | Do a better job in refreshing  | app/src/cc/arduino/contributions/libraries/ui/LibraryManagerUI.java                  |  273 ||            |                 | only the needed element        |                                                                                      |      || 2019-12-09 | Cristian Maglie | Make this a method of Theme    | app/src/cc/arduino/contributions/libraries/ui/MultiLibraryInstallDialog.java         |  149 || 2019-12-09 | Cristian Maglie | happens on macosx, don't know  | app/src/cc/arduino/contributions/packages/ui/ContributedPlatformTableCellJPanel.java |  183 ||            |                 | why                            |                                                                                      |      || 2019-12-09 | Cristian Maglie | show error                     | app/src/processing/app/Base.java                                                     | 1440 || 2019-12-09 | Cristian Maglie | error when importing. ignoring | app/src/processing/app/Base.java                                                     | 2423 ||            |                 | :(                             |                                                                                      |      || 2019-12-09 | Cristian Maglie | Improve / move error handling  | app/src/processing/app/Editor.java                                                   | 1541 || 2019-12-09 | Cristian Maglie | Should be a Theme value?       | app/src/processing/app/EditorHeader.java                                             |   78 || 2019-12-09 | Cristian Maglie | Should be a Theme value?       | app/src/processing/app/EditorStatus.java                                             |   73 || 2019-12-09 | Cristian Maglie | Improve decoupling             | app/src/processing/app/EditorTab.java                                                |  465 |+------------+-----------------+--------------------------------+--------------------------------------------------------------------------------------+------+```

Suggest

coca suggest

+--------+------------------+--------------------------------+| CLASS  |     PATTERN      |             REASON             |+--------+------------------+--------------------------------+| Insect | factory          | too many constructor           || Bee    | factory, builder | complex constructor, too       ||        |                  | many constructor, too many     ||        |                  | parameters                     |+--------+------------------+--------------------------------+

Test Bad Smells

coca tbs

+---------------------+---------------------------------------------------------------+------+|        TYPE|                           FILENAME| LINE|+---------------------+---------------------------------------------------------------+------+| DuplicateAssertTest| app/test/cc/arduino/i18n/ExternalProcessOutputParserTest.java|  107|| DuplicateAssertTest| app/test/cc/arduino/i18n/ExternalProcessOutputParserTest.java|   41|| DuplicateAssertTest| app/test/cc/arduino/i18n/ExternalProcessOutputParserTest.java|   63|| RedundantPrintTest| app/test/cc/arduino/i18n/I18NTest.java|   71|| RedundantPrintTest| app/test/cc/arduino/i18n/I18NTest.java|   72|| RedundantPrintTest| app/test/cc/arduino/i18n/I18NTest.java|   77|| DuplicateAssertTest| app/test/cc/arduino/net/PACSupportMethodsTest.java|   19|| DuplicateAssertTest| app/test/processing/app/macosx/SystemProfilerParserTest.java|   51|| DuplicateAssertTest| app/test/processing/app/syntax/PdeKeywordsTest.java|   41|| DuplicateAssertTest| app/test/processing/app/tools/ZipDeflaterTest.java|   57|| DuplicateAssertTest| app/test/processing/app/tools/ZipDeflaterTest.java|   83|| DuplicateAssertTest| app/test/processing/app/tools/ZipDeflaterTest.java|  109|+---------------------+---------------------------------------------------------------+------+

Find unused deps

coca deps -p _fixtures/deps/maven_sample

+---------------------------+----------------------------------------+---------+|          GROUPID          |               ARTIFACTID               |  SCOPE  |+---------------------------+----------------------------------------+---------+| org.flywaydb              | flyway-core                            |         || mysql                     | mysql-connector-java                   | runtime || org.springframework.cloud | spring-cloud-starter-contract-verifier | test    |+---------------------------+----------------------------------------+---------+

Showcases

Roadmap

Dev

brew install go

export GOROOT=/usr/local/opt/go/libexecexport GOPATH=$HOME/.goexport PATH=$PATH:$GOROOT/bin:$GOPATH/bin

git clone https://github.com/modernizing/coca

go get github.com/onsi/ginkgogo get github.com/onsi/gomega

License