What are the rules for suppressing PMD?

Note that PMD expects the //NOPMD marker to be on the same line as the violation. So, for example, if you want to suppress an “empty if statement” warning, you’ll need to place it on the line containing the if keyword, e.g.: $ cat ~/tmp/Foo.

What is a PMD report?

PMD (Programming Mistake Detector) is an open source static source code analyzer that reports on issues found within application code. PMD includes built-in rule sets and supports the ability to write custom rules. PMD does not report compilation errors, as it only can process well-formed source files.

What are PMD rules?

Introduction to writing PMD rules. PMD is a framework to perform code analysis. You can create your own rules to check for patterns specific to your codebase, or the coding practices of your team.

How do I get rid of PMD violations?

To do this you have to open the Problems View , select one of the PMD problems and use the Quick Fix entry from the context menu. This opens the Quick Fix Dialog where you can click on the button Select All to select all occurences of the PMD problem and finally click Finish to resolve all those PMD problems.

How do you suppress CPD?

By adding the annotations @SuppressWarnings(“CPD-START”) and @SuppressWarnings(“CPD-END”) all code within will be ignored by CPD – thus you can avoid false positives.

How do I stop checkstyle warnings?

It is possible to suppress all the checkstyle warnings with the argument “all” : @SuppressWarnings(“all”) public void someFunctionWithInvalidStyle() { //… }

How do you run a PMD?

Running PMD via command line

  1. Type pmd [filename|jar or zip file containing source code|directory] [report format] [ruleset file], i.e:
  2. If you are using JDK 1.3 or you just want to run PMD without the batch file, you can do a:

How do you add a PMD?

To install the PMD for Eclipse plugin:

  1. In Eclipse, click on Help -> Install New Software…
  2. Click on Add..
  3. You should see PMD for Eclipse 4. Select the checkbox next to it and click Next >.
  4. You’ll need to accept the license and confirm you want to install a plugin that is not digitally signed.
  5. Restart eclipse.

How do you write a PMD?

How to write a PMD rule

  1. Get a development environment set up first.
  2. Java or XPath?
  3. Figure out what you want to look for.
  4. Write a test-data example and look at the AST.
  5. Write a rule class.
  6. Put the WhileLoopsMustUseBracesRule rule in a ruleset file.
  7. Run PMD using your new ruleset.

Why duplicate code is bad?

1. Duplicate code makes your program lengthy and bulky : Many programmers feel that if the software is working properly there is no reason to fix code duplications. You forget that you are just un-necessarily making your software bulky.

Where to put the nopmd marker in PMD?

Note that PMD expects the //NOPMD marker to be on the same line as the violation. So, for example, if you want to suppress an “empty if statement” warning, you’ll need to place it on the line containing the if keyword, e.g.:

How to suppress unusedprivatemethod warnings in PMD?

// This will suppress UnusedLocalVariable and UnusedPrivateMethod warnings in this class @SuppressWarnings (“unused”) public class Bar { void bar () { int foo; } private void foobar () {} } Alternatively, you can tell PMD to ignore a specific line by using the “NOPMD” marker, like this:

How to get PMD to ignore a line?

Code checkers are great things for picking up problems. However in this case your code is fine and PMD probably being over protective. Check the documentation in PMD about the error and see if there is anything else you may need to consider. Then if your are still happy with your code you can add a //NOPMD tag to it to get PMD to ignore the line.