- /**
- * Maps class fully qualified names to class descriptors.
- */
- private final Map<String, ClassDescriptor> fullyQualifiedNameToClassMap = new HashMap<String, ClassDescriptor>();
-
- private final Filter filter = new Filter();
-
- public ClassGraph() {
- }
-
- /**
- * @param objects
- * objects that shall be added to graph
- */
- public ClassGraph add(final Object... objects) {
-
- if (objects != null)
- for (final Object object : objects)
- addObject(object);
-
- return this;
- }
-
- private void addObject(final Object object) {
- if (object instanceof Class)
- getOrCreateClassDescriptor((Class) object);
- else
- getOrCreateClassDescriptor(object.getClass());
- }
-
- /**
- * @param path
- * path to recursively scan for java source code could be
- * relative to current project or absolute
- */
- public void addProject(final String path) {
- final ProjectScanner projectScanner = new ProjectScanner(new File(path));
- for (final Clazz clazz : projectScanner.getAllClasses())
- try {
- System.out.println("Class full name: " + clazz.getFullName());
- final Class c = this.getClass().forName(clazz.getFullName());
- addObject(c);
- } catch (final Exception exception) {
- System.out.println("cannot add class: "
- + exception.getMessage());
- }
- }
-
- /**
- * @param resultFileName
- * file name for the generated graph. Existing file with the same
- * name will be overwritten.
- */
- public void generateGraph(final String resultFileName) {
- generateGraph(resultFileName, false);
- }
-
- /**
- * @param resultFileName
- * file name for the generated graph. File extension will be
- * added automatically. Existing file with the same name will be
- * overwritten.
- *
- * @param keepDotFile
- * if set to <code>true</code> then intermediary GraphViz DOT
- * file will be kept.
- */
-
- public void generateGraph(final String resultFileName,
- final boolean keepDotFile) {
-
- final String desktopPath = CommonPathResolver.getDesktopDirectory()
- .getAbsolutePath() + "/";
-
- generateGraph(desktopPath, resultFileName, keepDotFile);
- }
-
- /**
- * @param targetDirectory
- * target directory name
- *
- * @param resultFileName
- * file name for the generated graph. File extension will be
- * added automatically. Existing file with the same name will be
- * overwritten.
- *
- * @param keepDotFile
- * if set to <code>true</code> then intermediary GraphViz DOT
- * file will be kept.
- */
-
- public void generateGraph(String targetDirectory,
- final String resultFileName, final boolean keepDotFile) {
-
- if (!targetDirectory.endsWith("/"))
- targetDirectory += "/";
-
- final String dotFilePath = targetDirectory + resultFileName + ".dot";
- final String imageFilePath = targetDirectory + resultFileName + ".png";
-
- System.out.println("Dot file path:" + dotFilePath);
-
- try {
- // write DOT file to disk
- final PrintWriter out = new PrintWriter(dotFilePath);
- out.write(getDot());
- out.close();
-
- // execute GraphViz to visualize graph
- try {
- Runtime.getRuntime()
- .exec(new String[] { "dot", "-Tpng", dotFilePath, "-o",
- imageFilePath }).waitFor();
- } catch (final InterruptedException e) {
- } finally {
- }
-
- if (!keepDotFile) {
- // delete dot file
- final File dotFile = new File(dotFilePath);
- dotFile.delete();
- }
- } catch (final IOException e) {
- System.err.println(e);
- }
-
- }
-
- private String getDot() {
- final StringBuffer result = new StringBuffer();
-
- result.append("digraph Java {\n");
- result.append("graph [rankdir=LR, overlap = false, concentrate=true];\n");
-
- for (final Map.Entry<String, ClassDescriptor> entry : fullyQualifiedNameToClassMap
- .entrySet())
- result.append(entry.getValue().getDot());
-
- result.append("}\n");
-
- final String resultStr = result.toString();
- return resultStr;
- }
-
- public Filter getFilter() {
- return filter;
- }
-
- /**
- * @param clazz
- * class that shall be added to graph
- */
- protected ClassDescriptor getOrCreateClassDescriptor(final Class clazz) {
-
- if (clazz == null)
- return null;
-
- final String classFullyQualifiedName = clazz.getName();
-
- // reuse existing instance if possible
- if (fullyQualifiedNameToClassMap.containsKey(classFullyQualifiedName))
- return fullyQualifiedNameToClassMap.get(classFullyQualifiedName);
-
- // create new class descriptor
- final ClassDescriptor newClassDescriptor = new ClassDescriptor(this);
- fullyQualifiedNameToClassMap.put(classFullyQualifiedName,
- newClassDescriptor);
-
- newClassDescriptor.analyzeClass(clazz);
-
- return newClassDescriptor;
- }
-
- /**
- * Hide orphaned class that have no references
- */
- public void hideOrphanedClasses() {
-
- for (final ClassDescriptor classDescriptor : fullyQualifiedNameToClassMap
- .values())
- classDescriptor.hideClassIfNoReferences();
-
- }
+ /**
+ * Maps class fully qualified names to class descriptors.
+ */
+ private final Map<String, ClassDescriptor> fullyQualifiedNameToClassMap = new HashMap<>();
+
+ private final List<String> blacklistClassGlobs = new ArrayList<>();
+
+ private final List<String> whitelistClassGlobs = new ArrayList<>();
+ TargetImageType targetImageType = TargetImageType.SVG;
+ private boolean keepDotFile;
+
+ /**
+ * Default to current directory
+ */
+ private File targetDirectory = new File(getProperty("user.dir") + separator);
+
+ public ClassGraph() {
+ }
+
+ /**
+ * @param objects objects that shall be added to graph
+ * @return this {@link ClassGraph}
+ */
+ public ClassGraph add(final Object... objects) {
+
+ if (objects != null)
+ for (final Object object : objects)
+ addObject(object);
+
+ return this;
+ }
+
+ private void addObject(final Object object) {
+ if (object instanceof Class)
+ getOrCreateClassDescriptor((Class) object);
+ else
+ getOrCreateClassDescriptor(object.getClass());
+ }
+
+ public void blacklistClassGlob(final String glob) {
+ blacklistClassGlobs.add(glob);
+ }
+
+ public void setTargetImageType(TargetImageType targetImageType) {
+ this.targetImageType = targetImageType;
+ }
+
+ /**
+ * @param resultFileName file name for the generated graph. File extension will be
+ * added automatically. Existing file with the same name will be
+ * overwritten.
+ */
+
+ public void generateGraph(final String resultFileName) {
+
+ final File dotFile = new File(targetDirectory, resultFileName + ".dot");
+ final File imageFile = new File(targetDirectory, resultFileName + "." + targetImageType.fileExtension);
+
+ try {
+ // write DOT file to disk
+ final PrintWriter out = new PrintWriter(dotFile, "UTF-8");
+ out.write(getDot());
+ out.close();
+
+ // execute GraphViz to visualize graph
+ try {
+ Runtime.getRuntime()
+ .exec(new String[]{"dot",
+ "-T" + targetImageType.fileExtension,
+ dotFile.getAbsolutePath(),
+ "-o",
+ imageFile.getAbsolutePath()}).waitFor();
+ } catch (final InterruptedException ignored) {
+ }
+
+ if (!keepDotFile)
+ // delete dot file
+ if (!dotFile.delete())
+ throw new RuntimeException("Cannot delete file: " + dotFile.getAbsolutePath());
+
+ } catch (final IOException e) {
+ throw new RuntimeException("Unable to generate graph: " + e.getMessage(), e);
+ }
+
+ }
+
+ private String getDot() {
+ final StringBuilder result = new StringBuilder();
+
+ result.append("digraph Java {\n");
+ result.append("graph [rankdir=LR, overlap = false, concentrate=true];\n");
+
+ for (final Map.Entry<String, ClassDescriptor> entry : fullyQualifiedNameToClassMap
+ .entrySet())
+ result.append(entry.getValue().getDot());
+
+ result.append("}\n");
+
+ return result.toString();
+ }
+
+ /**
+ * @param clazz class that shall be added to graph
+ * @return {@link ClassDescriptor} corresponding to given {@link Class}
+ */
+ protected ClassDescriptor getOrCreateClassDescriptor(final Class clazz) {
+
+ if (clazz == null)
+ return null;
+
+ final String classFullyQualifiedName = clazz.getName();
+
+ // reuse existing instance if possible
+ if (fullyQualifiedNameToClassMap.containsKey(classFullyQualifiedName))
+ return fullyQualifiedNameToClassMap.get(classFullyQualifiedName);
+
+ // create new class descriptor
+ final ClassDescriptor newClassDescriptor = new ClassDescriptor(this);
+ fullyQualifiedNameToClassMap.put(classFullyQualifiedName,
+ newClassDescriptor);
+
+ newClassDescriptor.analyzeClass(clazz);
+
+ return newClassDescriptor;
+ }
+
+ /**
+ * Hide orphaned class that have no references
+ *
+ * @return this {@link ClassGraph}
+ */
+ public ClassGraph hideOrphanedClasses() {
+
+ for (final ClassDescriptor classDescriptor : fullyQualifiedNameToClassMap
+ .values())
+ classDescriptor.hideClassIfNoReferences();
+
+ return this;
+ }
+
+ protected boolean isClassShown(final String className) {
+ for (final String pattern : blacklistClassGlobs)
+ if (GlobMatcher.match(className, pattern))
+ return false;
+
+ if (!whitelistClassGlobs.isEmpty()) {
+ for (final String pattern : whitelistClassGlobs)
+ if (GlobMatcher.match(className, pattern))
+ return true;
+ return false;
+ }
+
+ return true;
+ }
+
+ public ClassGraph setKeepDotFile(final boolean keepDotFile) {
+ this.keepDotFile = keepDotFile;
+
+ return this;
+ }
+
+ public ClassGraph setTargetDirectory(File targetDirectory) {
+ this.targetDirectory = targetDirectory;
+ return this;
+ }
+
+ public ClassGraph whitelistClassGlob(final String glob) {
+ whitelistClassGlobs.add(glob);
+ return this;
+ }