simple osgi bundle package analyser

gistfile1.txt

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

public class OsgiPackageAnalyserScript {

    private static final String BASE_STRING = "/home/pieber/projects/wicket/";

    private static final String[] PROJECTS = {
        "wicket-auth-roles",
        "wicket-core",
        "wicket-datetime",
        "wicket-devutils",
        "wicket-extensions",
        "wicket-guice",
        "wicket-ioc",
        "wicket-jmx",
        "wicket-objectssizeof-agent",
        "wicket-request",
        "wicket-spring",
        "wicket-util",
        "wicket-velocity",
    };

    public static void main(String[] args) {
        Map<String, List<Project>> projectBuckets = new HashMap<String, List<Project>>();
        for (String projectName : PROJECTS) {
            Project project = new Project(projectName, new File(BASE_STRING + projectName));
            project.sortIntoMap(projectBuckets);
        }
        Set<Entry<String, List<Project>>> entrySet = projectBuckets.entrySet();
        for (Entry<String, List<Project>> entry : entrySet) {
            if (entry.getValue().size() > 1) {
                printConflict(entry);
            }
        }
    }

    private static void printConflict(Entry<String, List<Project>> entry) {
        StringBuilder builder = new StringBuilder();
        builder.append("Package: ").append(entry.getKey()).append(" in ");
        for (Project conflict : entry.getValue()) {
            builder.append(conflict.getName()).append(", ");
        }
        System.out.println(builder.toString());
    }

    private static class Project {
        private List<String> packagesWithContent = new ArrayList<String>();
        private String absoluteBase;
        private final String name;

        public Project(String name, File baseDirectory) {
            this.name = name;
            absoluteBase = baseDirectory.toString() + "/src/main/java/";
            analyse(new File(baseDirectory + "/src/main/java/"));
        }

        public void sortIntoMap(Map<String, List<Project>> projectBuckets) {
            for (String packageWithContent : packagesWithContent) {
                if (!projectBuckets.containsKey(packageWithContent)) {
                    projectBuckets.put(packageWithContent, new ArrayList<OsgiPackageAnalyserScript.Project>());
                }
                projectBuckets.get(packageWithContent).add(this);
            }
        }

        private void analyse(File dir) {
            File[] listFiles = dir.listFiles();
            boolean addedAlready = false;
            for (File file : listFiles) {
                if (!file.isDirectory()) {
                    // in that case it contains anything which might be to be exported
                    if (!addedAlready) {
                        packagesWithContent.add(dir.toString().replaceAll(absoluteBase, "").replaceAll("/", "."));
                        addedAlready = true;
                    }
                } else {
                    analyse(file);
                }
            }
        }

        public String getName() {
            return name;
        }

    }

}