protected void setupMavenExecutable()

in src/main/java/org/apache/maven/shared/invoker/MavenCommandLineBuilder.java [505:536]

27 lines of code
8 McCabe index (conditional complexity)


    protected void setupMavenExecutable(InvocationRequest request) throws CommandLineConfigurationException {
        if (request.getMavenExecutable() != null) {
            mavenExecutable = request.getMavenExecutable();
        }

        if (mavenExecutable == null || !mavenExecutable.isAbsolute()) {
            String executable;
            if (mavenExecutable != null) {
                executable = mavenExecutable.getPath();
            } else {
                executable = "mvn";
            }

            // firs look in project directory
            mavenExecutable = detectMavenExecutablePerOs(baseDirectory, executable);
            if (mavenExecutable == null) {
                // next maven home
                mavenExecutable = detectMavenExecutablePerOs(mavenHome, "/bin/" + executable);
            }

            if (mavenExecutable != null) {
                try {
                    mavenExecutable = mavenExecutable.getCanonicalFile();
                } catch (IOException e) {
                    logger.debug("Failed to canonicalize maven executable: '" + mavenExecutable + "'. Using as-is.", e);
                }
            } else {
                throw new CommandLineConfigurationException("Maven executable: '" + executable + "'"
                        + " not found at project dir: '" + baseDirectory + "' nor maven home: '" + mavenHome + "'");
            }
        }
    }