apache / struts - Duplication

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

36% duplication:

92,604 cleaned lines of cleaned code (without empty lines, comments, and frequently duplicated constructs such as imports)
33,806 duplicated lines

17,405 duplicates

dependency graphs: 2D graph | 3D graph | 3D graph (with duplicates)...

Duplication per Extension

Duplication per Component (primary)

Duplication Between Components (50+ lines)

Download: SVG DOT (open online Graphviz editor)

From Component --> To Component	Duplicated Lines	File Pairs	Details
core (2%) --> plugins (6%)	2678	1203 file pairs	details...
apps (12%) --> core (1%)	2484	2185 file pairs	details...
apps (3%) --> plugins (1%)	740	312 file pairs	details...
plugins (<1%) --> src (93%)	300	14 file pairs	details...

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Show more details on duplication between components...

Longest Duplicates

The list of 50 longest duplicates.

See data for all 17,405 duplicates...

Size	#	Folders	Files	Lines	Code
469	x 2	apps/rest-showcase/src/main/webapp/css apps/showcase/src/main/webapp/styles	bootstrap-theme.css bootstrap-theme.css	7:475 (100%) 7:475 (100%)	view
377	x 2	core/src/site/resources/tags core/src/site/resources/tags	checkboxlist.html radio.html	19:450 (97%) 19:450 (97%)	view
369	x 2	core/src/site/resources/tags core/src/site/resources/tags	checkboxlist-attributes.html radio-attributes.html	1:422 (100%) 1:422 (100%)	view
351	x 2	core/src/site/resources/tags core/src/site/resources/tags	doubleselect.html optiontransferselect.html	44:444 (53%) 180:580 (41%)	view
337	x 2	core/src/site/resources/tags core/src/site/resources/tags	doubleselect-attributes.html optiontransferselect-attributes.html	24:408 (53%) 160:544 (40%)	view
321	x 2	core/src/site/resources/tags core/src/site/resources/tags	component.html token.html	19:386 (97%) 19:386 (97%)	view
321	x 2	core/src/site/resources/tags core/src/site/resources/tags	debug.html token.html	19:386 (97%) 19:386 (97%)	view
321	x 2	core/src/site/resources/tags core/src/site/resources/tags	component.html debug.html	19:386 (97%) 19:386 (97%)	view
321	x 2	core/src/site/resources/tags core/src/site/resources/tags	head.html hidden.html	19:386 (97%) 19:386 (97%)	view
317	x 2	core/src/site/resources/tags core/src/site/resources/tags	component.html hidden.html	25:386 (96%) 25:386 (96%)	view
317	x 2	core/src/site/resources/tags core/src/site/resources/tags	head.html token.html	25:386 (96%) 25:386 (96%)	view
317	x 2	core/src/site/resources/tags core/src/site/resources/tags	component.html head.html	25:386 (96%) 25:386 (96%)	view
317	x 2	core/src/site/resources/tags core/src/site/resources/tags	debug.html head.html	25:386 (96%) 25:386 (96%)	view
317	x 2	core/src/site/resources/tags core/src/site/resources/tags	debug.html hidden.html	25:386 (96%) 25:386 (96%)	view
317	x 2	core/src/site/resources/tags core/src/site/resources/tags	hidden.html token.html	25:386 (96%) 25:386 (96%)	view
313	x 2	core/src/site/resources/tags core/src/site/resources/tags	head-attributes.html hidden-attributes.html	1:358 (100%) 1:358 (100%)	view
313	x 2	core/src/site/resources/tags core/src/site/resources/tags	debug-attributes.html token-attributes.html	1:358 (100%) 1:358 (100%)	view
313	x 2	core/src/site/resources/tags core/src/site/resources/tags	component-attributes.html token-attributes.html	1:358 (100%) 1:358 (100%)	view
313	x 2	core/src/site/resources/tags core/src/site/resources/tags	component-attributes.html debug-attributes.html	1:358 (100%) 1:358 (100%)	view
310	x 2	core/src/site/resources/tags core/src/site/resources/tags	debug-attributes.html hidden-attributes.html	5:358 (99%) 5:358 (99%)	view
310	x 2	core/src/site/resources/tags core/src/site/resources/tags	head-attributes.html token-attributes.html	5:358 (99%) 5:358 (99%)	view
310	x 2	core/src/site/resources/tags core/src/site/resources/tags	debug-attributes.html head-attributes.html	5:358 (99%) 5:358 (99%)	view
310	x 2	core/src/site/resources/tags core/src/site/resources/tags	component-attributes.html hidden-attributes.html	5:358 (99%) 5:358 (99%)	view
310	x 2	core/src/site/resources/tags core/src/site/resources/tags	hidden-attributes.html token-attributes.html	5:358 (99%) 5:358 (99%)	view
310	x 2	core/src/site/resources/tags core/src/site/resources/tags	component-attributes.html head-attributes.html	5:358 (99%) 5:358 (99%)	view
259	x 2	core/src/site/resources/tags core/src/site/resources/tags	password.html textfield.html	19:316 (69%) 19:316 (71%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	label.html token.html	108:394 (75%) 100:386 (76%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	actionmessage.html token.html	108:394 (75%) 100:386 (76%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	hidden-attributes.html label-attributes.html	72:358 (80%) 80:366 (78%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	component-attributes.html label-attributes.html	72:358 (80%) 80:366 (78%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	fielderror.html hidden.html	116:402 (73%) 100:386 (76%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	fielderror.html label.html	116:402 (73%) 108:394 (75%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	head.html label.html	100:386 (76%) 108:394 (75%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	datetextfield-attributes.html fielderror-attributes.html	80:366 (78%) 88:374 (77%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	component-attributes.html fielderror-attributes.html	72:358 (80%) 88:374 (77%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	datetextfield-attributes.html label-attributes.html	80:366 (78%) 80:366 (78%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	actionerror.html token.html	108:394 (75%) 100:386 (76%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	datetextfield-attributes.html debug-attributes.html	80:366 (78%) 72:358 (80%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	actionerror.html component.html	108:394 (75%) 100:386 (76%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	component.html datetextfield.html	100:386 (76%) 111:397 (74%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	actionerror.html fielderror.html	108:394 (75%) 116:402 (73%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	actionmessage-attributes.html datetextfield-attributes.html	80:366 (78%) 80:366 (78%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	datetextfield.html fielderror.html	111:397 (74%) 116:402 (73%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	debug-attributes.html label-attributes.html	72:358 (80%) 80:366 (78%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	actionerror-attributes.html component-attributes.html	80:366 (78%) 72:358 (80%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	fielderror.html token.html	116:402 (73%) 100:386 (76%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	component.html fielderror.html	100:386 (76%) 116:402 (73%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	debug.html label.html	100:386 (76%) 108:394 (75%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	datetextfield-attributes.html token-attributes.html	80:366 (78%) 72:358 (80%)	view
252	x 2	core/src/site/resources/tags core/src/site/resources/tags	actionerror-attributes.html datetextfield-attributes.html	80:366 (78%) 80:366 (78%)	view

Duplicated Units

The list of top 21 duplicated units.

See data for all 21 unit duplicates...

Size	#	Folders	Files	Lines	Code
28	x 2	core/src/main/java/org/apache/struts2/util plugins/tiles/src/main/j.../apache/tiles/core/util	WildcardHelper.java WildcardHelper.java	369:418 396:445	view
26	x 2	core/src/main/java/org/apache/struts2/util plugins/tiles/src/main/j.../apache/tiles/core/util	WildcardHelper.java WildcardHelper.java	306:352 332:378	view
18	x 2	core/src/main/resources/org/apache/struts2/static core/src/main/resources/org/apache/struts2/static	inputtransferselect.js optiontransferselect.js	59:78 40:59	view
17	x 2	core/src/main/resources/org/apache/struts2/static core/src/main/resources/org/apache/struts2/static	inputtransferselect.js optiontransferselect.js	109:127 165:183	view
15	x 2	plugins/jasperreports7/s...s2/views/jasperreports7 plugins/jasperreports/sr...ts2/views/jasperreports	ValueStackDataSource.java ValueStackDataSource.java	125:144 136:155	view
14	x 2	core/src/main/java/org/apache/struts2/components core/src/main/java/org/apache/struts2/components	Property.java Text.java	164:180 214:230	view
14	x 2	plugins/javatemplates/sr...ruts2/views/java/simple plugins/javatemplates/sr...ruts2/views/java/simple	RadioHandler.java CheckboxListHandler.java	103:127 116:139	view
12	x 2	core/src/main/java/org/apache/struts2/components core/src/main/java/org/apache/struts2/components	ActionMessage.java ActionError.java	68:82 70:84	view
12	x 2	core/src/main/java/org/apache/struts2/result core/src/main/java/org/apache/struts2/result	ServletActionRedirectResult.java ServletRedirectResult.java	213:226 220:233	view
12	x 2	plugins/jasperreports7/s...s2/views/jasperreports7 plugins/jasperreports/sr...ts2/views/jasperreports	ValueStackDataSource.java ValueStackDataSource.java	102:115 113:126	view
11	x 2	core/src/main/resources/org/apache/struts2/static core/src/main/resources/org/apache/struts2/static	inputtransferselect.js optiontransferselect.js	45:57 122:134	view
10	x 2	apps/showcase/src/main/j...e/tag/nonui/iteratortag apps/showcase/src/main/j...e/tag/nonui/iteratortag	AppendIteratorTagDemo.java MergeIteratorTagDemo.java	38:49 38:49	view
10	x 2	plugins/jasperreports7/s...s2/views/jasperreports7 plugins/jasperreports/sr...ts2/views/jasperreports	ValueStackDataSource.java ValueStackDataSource.java	83:97 88:105	view
9	x 2	core/src/main/java/org/apache/struts2/util plugins/tiles/src/main/j.../apache/tiles/core/util	WildcardHelper.java WildcardHelper.java	434:446 461:473	view
8	x 2	core/src/main/java/org/apache/struts2/views/jsp/ui core/src/main/java/org/apache/struts2/views/jsp/ui	SubmitTag.java ResetTag.java	100:109 83:92	view
8	x 2	plugins/tiles/src/main/j...iles/request/collection plugins/tiles/src/main/j...iles/request/collection	ReadOnlyEnumerationMap.java HeaderValuesMap.java	220:229 295:304	view
7	x 4	core/src/main/java/org/apache/struts2/components core/src/main/java/org/apache/struts2/result plugins/jasperreports7/s...s2/views/jasperreports7 plugins/jasperreports/sr...ts2/views/jasperreports	Component.java StreamResult.java JasperReport7Result.java JasperReportsResult.java	612:622 302:312 340:350 517:527	view
7	x 2	plugins/json/src/main/java/org/apache/struts2/json plugins/json/src/main/java/org/apache/struts2/json	JSONInterceptor.java JSONResult.java	433:441 134:142	view
7	x 2	plugins/json/src/main/java/org/apache/struts2/json plugins/json/src/main/java/org/apache/struts2/json	JSONInterceptor.java JSONResult.java	450:458 150:158	view
6	x 2	apps/showcase/src/main/j...apache/struts2/showcase apps/showcase/src/main/j...apache/struts2/showcase	LotsOfOptiontransferselectAction.java MoreSelectsAction.java	261:268 115:122	view
6	x 2	core/src/main/resources/org/apache/struts2/static core/src/main/resources/org/apache/struts2/static	inputtransferselect.js optiontransferselect.js	80:87 136:143	view