Code modifications for checkstyle & pmd.

Kieker.WebGUI/src/main/java/kieker/webgui/beans/session/SelectedProjectBean.java

@@ -51,6 +51,15 @@ import org.primefaces.model.TreeNode;
 @SessionScoped
 public class SelectedProjectBean {
 
+	/**
+	 * This constant is used as the host for the dependencies.
+	 */
+	private static final String URL_LOCALHOST = "localhost";
+	/**
+	 * This constant is used as a protocol for the dependencies.
+	 */
+	private static final String URL_PROTOCOL_FILE = "file";
+
 	/**
 	 * The currently selected node of the current user.
 	 */
@@ -161,23 +170,27 @@ public class SelectedProjectBean {
 		}
 	}
 
+	/**
+	 * This method delivers the available reader-plugins for the current main project. The delivered plugins are never abstract.
+	 * 
+	 * @return A list with all readers.
+	 */
 	public final List<Class<?>> getAvailableReaders() {
 		final List<Class<?>> list = new ArrayList<Class<?>>();
 
 		if (this.mainProject != null) {
 			for (final MIDependency lib : this.mainProject.getDependencies()) {
 				try {
-					PluginClassLoader.getInstance().addURL(new URL("file", "localhost", lib.getFilePath()));
+					PluginClassLoader.getInstance().addURL(new URL(SelectedProjectBean.URL_PROTOCOL_FILE, SelectedProjectBean.URL_LOCALHOST, lib.getFilePath()));
 				} catch (final MalformedURLException ex) {
 					// TODO Log exception
 				}
 				try {
-					final List<Class<?>> plugins = PluginFinder.getAllPluginsWithinJar(new URL("file", "localhost", lib.getFilePath()));
+					final List<Class<?>> plugins = PluginFinder.getAllPluginsWithinJar(new URL(SelectedProjectBean.URL_PROTOCOL_FILE,
+							SelectedProjectBean.URL_LOCALHOST, lib.getFilePath()));
 					for (final Class<?> plugin : plugins) {
-						if (!Modifier.isAbstract(plugin.getModifiers())) {
-							if (AbstractReaderPlugin.class.isAssignableFrom(plugin)) {
-								list.add(plugin);
-							}
+						if (!Modifier.isAbstract(plugin.getModifiers()) && AbstractReaderPlugin.class.isAssignableFrom(plugin)) {
+							list.add(plugin);
 						}
 					}
 				} catch (final MalformedURLException ex) {
@@ -190,23 +203,27 @@ public class SelectedProjectBean {
 		return list;
 	}
 
+	/**
+	 * This method delivers the available filter-plugins for the current main project. The delivered plugins are never abstract.
+	 * 
+	 * @return A list with all filter.
+	 */
 	public final List getAvailableFilters() {
 		final List<Class<?>> list = new ArrayList<Class<?>>();
 
 		if (this.mainProject != null) {
 			for (final MIDependency lib : this.mainProject.getDependencies()) {
 				try {
-					PluginClassLoader.getInstance().addURL(new URL("file", "localhost", lib.getFilePath()));
+					PluginClassLoader.getInstance().addURL(new URL(SelectedProjectBean.URL_PROTOCOL_FILE, SelectedProjectBean.URL_LOCALHOST, lib.getFilePath()));
 				} catch (final MalformedURLException ex) {
 					// TODO Log exception
 				}
 				try {
-					final List<Class<?>> plugins = PluginFinder.getAllPluginsWithinJar(new URL("file", "localhost", lib.getFilePath()));
+					final List<Class<?>> plugins = PluginFinder.getAllPluginsWithinJar(new URL(SelectedProjectBean.URL_PROTOCOL_FILE,
+							SelectedProjectBean.URL_LOCALHOST, lib.getFilePath()));
 					for (final Class<?> plugin : plugins) {
-						if (!Modifier.isAbstract(plugin.getModifiers())) {
-							if (AbstractAnalysisPlugin.class.isAssignableFrom(plugin)) {
-								list.add(plugin);
-							}
+						if (!Modifier.isAbstract(plugin.getModifiers()) && AbstractAnalysisPlugin.class.isAssignableFrom(plugin)) {
+							list.add(plugin);
 						}
 					}
 				} catch (final MalformedURLException ex) {
@@ -234,12 +251,13 @@ public class SelectedProjectBean {
 		if (this.mainProject != null) {
 			for (final MIDependency lib : this.mainProject.getDependencies()) {
 				try {
-					PluginClassLoader.getInstance().addURL(new URL("file", "localhost", lib.getFilePath()));
+					PluginClassLoader.getInstance().addURL(new URL(SelectedProjectBean.URL_PROTOCOL_FILE, SelectedProjectBean.URL_LOCALHOST, lib.getFilePath()));
 				} catch (final MalformedURLException ex) {
 					// TODO Log exception
 				}
 				try {
-					final List<Class<?>> plugins = PluginFinder.getAllPluginsWithinJar(new URL("file", "localhost", lib.getFilePath()));
+					final List<Class<?>> plugins = PluginFinder.getAllPluginsWithinJar(new URL(SelectedProjectBean.URL_PROTOCOL_FILE,
+							SelectedProjectBean.URL_LOCALHOST, lib.getFilePath()));
 					for (final Class<?> plugin : plugins) {
 						if (!Modifier.isAbstract(plugin.getModifiers())) {
 							if (AbstractReaderPlugin.class.isAssignableFrom(plugin)) {