Hello there,
I just tried to analyse the package apache-ant-1.7.0 with the most
excellent Java static analysis tool pmd.
A subset of the results were
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/DefaultLogger.java:249
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/input/DefaultInputHandler.java:107
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/Location.java:139
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/Main.java:1032
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AbstractCvsTask.java:423
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:285
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:292
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:314
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:322
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:324
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:327
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:342
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:346
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:359
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:399
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/Checksum.java:577
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/compilers/AptCompilerAdapter.java:141
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java:405
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/Copy.java:998
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/Javadoc.java:1487
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/KeySubst.java:192
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/MacroInstance.java:206
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/Cab.java:254
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/Cab.java:256
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/Cab.java:256
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/ejb/IPlanetEjbc.java:412
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/ejb/WebsphereDeploymentTool.java:501
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/ejb/WebsphereDeploymentTool.java:505
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/ejb/WebsphereDeploymentTool.java:537
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/extension/LibraryDisplayer.java:142
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/jsp/compilers/DefaultJspCompilerAdapter.java:54
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java:966
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/net/FTP.java:1901
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/NetRexxC.java:769
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/perforce/P4Add.java:123
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/perforce/P4Change.java:109
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/perforce/P4Fstat.java:142
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java:500
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/TraXLiaison.java:504
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/RecorderEntry.java:202
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/rmic/DefaultRmicAdapter.java:272
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/SQLExec.java:512
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/SQLExec.java:515
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/SQLExec.java:524
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/SQLExec.java:647
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/SQLExec.java:664
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/Commandline.java:564
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/Commandline.java:601
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/Commandline.java:603
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/Commandline.java:605
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/Commandline.java:605
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/Environment.java:118
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/PatternSet.java:127
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/PropertySet.java:464
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/AndSelector.java:46
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/ContainsRegexpSelector.java:61
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/ContainsSelector.java:72
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/DateSelector.java:82
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/DependSelector.java:60
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/DepthSelector.java:64
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/FilenameSelector.java:69
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/MajoritySelector.java:53
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/modifiedselector/ChecksumAlgorithm.java:146
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/modifiedselector/DigestAlgorithm.java:175
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/modifiedselector/DigestAlgorithm.java:199
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/modifiedselector/ModifiedSelector.java:798
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/modifiedselector/PropertiesfileCache.java:233
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/NoneSelector.java:47
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/NotSelector.java:56
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/OrSelector.java:46
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/PresentSelector.java:72
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/SelectSelector.java:62
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/SelectSelector.java:64
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/SizeSelector.java:63
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/TypeSelector.java:51
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/util/DateUtils.java:211
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/util/DateUtils.java:215
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/util/FileUtils.java:1127
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/util/regexp/JakartaOroRegexp.java:59
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/util/regexp/Jdk14RegexpRegexp.java:72
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/mappers/MapperResult.java:86
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/selectors/BaseSelectorTest.java:201
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/selectors/ModifiedSelectorTest.java:654
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/selectors/ModifiedSelectorTest.java:655
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/selectors/ModifiedSelectorTest.java:657
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/types/selectors/ModifiedSelectorTest.java:658
Avoid appending characters as strings in StringBuffer.append.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/Main.java:812
StringBuffer constructor is initialized with size 16, but has at least 1870
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/NetRexxC.java:742
StringBuffer constructor is initialized with size 16, but has at least 19
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/NetRexxC.java:774
StringBuffer constructor is initialized with size 16, but has at least 25
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/modifiedselector/ChecksumAlgorithm.java:143
StringBuffer constructor is initialized with size 16, but has at least 30
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/modifiedselector/DigestAlgorithm.java:195
StringBuffer constructor is initialized with size 16, but has at least
38 characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/util/regexp/RegexpMatcherTest.java:155
StringBuffer constructor is initialized with size 16, but has at least 38
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/modifiedselector/PropertiesfileCache.java:229
StringBuffer constructor is initialized with size 16, but has at least 45
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/ComponentHelper.java:833
StringBuffer constructor is initialized with size 16, but has at least 62
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/ejb/WebsphereDeploymentTool.java:495
StringBuffer constructor is initialized with size 16, but has at least 63
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/GenerateKey.java:334
StringBuffer constructor is initialized with size 16, but has at least 64
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/rmic/KaffeRmic.java:53
StringBuffer constructor is initialized with size 16, but has at least 94
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java:403
StringBuffer constructor is initialized with size 20, but has at least
25 characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/jsp/compilers/DefaultJspCompilerAdapter.java:52
StringBuffer constructor is initialized with size 20, but has at least
25 characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/rmic/DefaultRmicAdapter.java:269
StringBuffer constructor is initialized with size 20, but has at least
25 characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/Javah.java:455
StringBuffer constructor is initialized with size 21, but has at least 23
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/AntStructure.java:330
StringBuffer constructor is initialized with size 26, but has at least 61
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/junit/BriefJUnitResultFormatter.java:130
StringBuffer constructor is initialized with size 27, but has at least
53 characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/junit/PlainJUnitResultFormatter.java:118
StringBuffer constructor is initialized with size 27, but has at least
53 characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/junit/SummaryJUnitResultFormatter.java:139
StringBuffer constructor is initialized with size 27, but has at least 53
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/modifiedselector/ModifiedSelector.java:792
StringBuffer constructor is initialized with size 33, but has at least
65 characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/DateSelector.java:74
StringBuffer constructor is initialized with size 36, but has at least 45
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/FilenameSelector.java:55
StringBuffer constructor is initialized with size 40, but has at least 60
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/ContainsSelector.java:66
StringBuffer constructor is initialized with size 40, but has at least 62
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/selectors/PresentSelector.java:55
StringBuffer constructor is initialized with size 44, but has at least 46
characters appended.
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/image/Image.java:200
Using equalsIgnoreCase() is cleaner than using
toUpperCase/toLowerCase().equals().
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/taskdefs/optional/image/Image.java:202
Using equalsIgnoreCase() is cleaner than using
toUpperCase/toLowerCase().equals().
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/optional/image/Arc.java:76
Using equalsIgnoreCase() is cleaner than using
toUpperCase/toLowerCase().equals().
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/optional/image/Arc.java:78
Using equalsIgnoreCase() is cleaner than using
toUpperCase/toLowerCase().equals().
/usr/src/packages/BUILD/apache-ant-1.7.0/src/main/org/apache/tools/ant/types/optional/image/Arc.java:80
Using equalsIgnoreCase() is cleaner than using
toUpperCase/toLowerCase().equals().
In each of the 115 cases, an improvement can be made.
Regards
David Binderman
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