protected Map getFilesToProcess()

in src/main/java/org/apache/maven/plugins/pmd/AbstractPmdReport.java [309:396]
78 lines of code
26 McCabe index (conditional complexity)

    protected Map<File, PmdFileInfo> getFilesToProcess() throws IOException {
        if (aggregate && !project.isExecutionRoot()) {
            return Collections.emptyMap();
        }

        if (excludeRoots == null) {
            excludeRoots = new File[0];
        }

        Collection<File> excludeRootFiles = new HashSet<>(excludeRoots.length);

        for (File file : excludeRoots) {
            if (file.isDirectory()) {
                excludeRootFiles.add(file);
            }
        }

        List<PmdFileInfo> directories = new ArrayList<>();

        if (null == compileSourceRoots) {
            compileSourceRoots = project.getCompileSourceRoots();
        }
        if (compileSourceRoots != null) {
            for (String root : compileSourceRoots) {
                File sroot = new File(root);
                if (sroot.exists()) {
                    String sourceXref = constructXRefLocation(false);
                    directories.add(new PmdFileInfo(project, sroot, sourceXref));
                }
            }
        }

        if (null == testSourceRoots) {
            testSourceRoots = project.getTestCompileSourceRoots();
        }
        if (includeTests && testSourceRoots != null) {
            for (String root : testSourceRoots) {
                File sroot = new File(root);
                if (sroot.exists()) {
                    String testXref = constructXRefLocation(true);
                    directories.add(new PmdFileInfo(project, sroot, testXref));
                }
            }
        }
        if (isAggregator()) {
            for (MavenProject localProject : getAggregatedProjects()) {
                List<String> localCompileSourceRoots = localProject.getCompileSourceRoots();
                for (String root : localCompileSourceRoots) {
                    File sroot = new File(root);
                    if (sroot.exists()) {
                        String sourceXref = constructXRefLocation(false);
                        directories.add(new PmdFileInfo(localProject, sroot, sourceXref));
                    }
                }
                if (includeTests) {
                    List<String> localTestCompileSourceRoots = localProject.getTestCompileSourceRoots();
                    for (String root : localTestCompileSourceRoots) {
                        File sroot = new File(root);
                        if (sroot.exists()) {
                            String testXref = constructXRefLocation(true);
                            directories.add(new PmdFileInfo(localProject, sroot, testXref));
                        }
                    }
                }
            }
        }

        String excluding = getExcludes();
        getLog().debug("Exclusions: " + excluding);
        String including = getIncludes();
        getLog().debug("Inclusions: " + including);

        Map<File, PmdFileInfo> files = new TreeMap<>();

        for (PmdFileInfo finfo : directories) {
            getLog().debug("Searching for files in directory "
                    + finfo.getSourceDirectory().toString());
            File sourceDirectory = finfo.getSourceDirectory();
            if (sourceDirectory.isDirectory() && !isDirectoryExcluded(excludeRootFiles, sourceDirectory)) {
                List<File> newfiles = FileUtils.getFiles(sourceDirectory, including, excluding);
                for (File newfile : newfiles) {
                    files.put(newfile.getCanonicalFile(), finfo);
                }
            }
        }

        return files;
    }