removed dependency to commons-io

reverted jdk to 1.7 (since new findbugs is not available by repo)
added reportLevel='low' to findbugs

build.gradle

@@ -18,8 +18,10 @@ import org.apache.tools.ant.filters.ReplaceTokens
 
 group = 'at.uibk.dbis'
 version = '0.3.2-SNAPSHOT'
-sourceCompatibility=JavaVersion.VERSION_1_8
-targetCompatibility=JavaVersion.VERSION_1_8
+sourceCompatibility=JavaVersion.VERSION_1_7
+targetCompatibility=JavaVersion.VERSION_1_7
+//sourceCompatibility=JavaVersion.VERSION_1_8
+//targetCompatibility=JavaVersion.VERSION_1_8
 
 description = 'PhD project of Nikolaus Krismer'
 
@@ -125,7 +127,6 @@ buildscript {
 }
 
 dependencies {
-	compile group: 'commons-io', name: 'commons-io', version: '2.+'
 	compile group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.+'
 	compile group: 'com.jolbox', name: 'bonecp', version: '+'
 	compile group: 'com.tngtech.java', name: 'config-builder', version: '1.+'
@@ -207,6 +208,7 @@ eclipse {
 findbugs {
 	effort = 'max'
 	ignoreFailures = true
+	reportLevel = 'low'
 	toolVersion = '+'
 }
 

src/main/java/it/unibz/inf/isochrone/config/ConfigDataset.java

@@ -15,9 +15,16 @@ import it.unibz.inf.isochrone.db.TableEntry;
 import it.unibz.inf.isochrone.util.EnumContainer.TableType;
 import it.unibz.inf.isochrone.util.ResourceHelper;
 
-import java.io.File;
 import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.net.URL;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
 import java.sql.SQLException;
 import java.text.DateFormat;
 import java.text.ParseException;
@@ -36,7 +43,6 @@ import java.util.regex.Pattern;
 
 import javax.validation.constraints.NotNull;
 
-import org.apache.commons.io.FileUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -60,7 +66,7 @@ public class ConfigDataset {
 			Calendar targetTime = Calendar.getInstance();
 			try {
 				targetTime.setTimeInMillis(dateFormat.parse(str).getTime());
-			} catch (ParseException e) {
+			} catch (final ParseException e) {
 				targetTime = null;
 				e.printStackTrace();
 			}
@@ -318,19 +324,26 @@ public class ConfigDataset {
 		final ClassLoader cLoader = Thread.currentThread().getContextClassLoader();
 		final Pattern dsConfigPattern = Pattern.compile(DS_CONFIG_PATTERN);
 
-		URL r = null;
 		final Collection<String> resources = new ArrayList<>();
 		try {
 			// find resources on disk and add to available ones
-			r = cLoader.getResource("/");
+			URI r = null;
+			try {
+				r = cLoader.getResource("/").toURI();
+			} catch (final URISyntaxException e1) {
+				LOGGER.warn("Datasets directory URI could not be created. There might be no configured datasets available!");
+			}
+
 			if (r != null) {
-				final Collection<File> files = FileUtils.listFiles(new File(r.getFile()), new String[] {DS_CONFIG_EXTENSION}, true);
-				for (File file : files) {
-					final String filename = file.getName();
-					if (dsConfigPattern.matcher(filename).matches()) {
-						resources.add(filename);
+				Files.walkFileTree(Paths.get(r), new SimpleFileVisitor<Path>() {
+					@Override
+					public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException {
+						if (attrs.isRegularFile() && file.endsWith(DS_CONFIG_EXTENSION)) {
+							resources.add(file.getFileName().toString());
+						}
+						return FileVisitResult.CONTINUE;
 					}
-				}
+				});
 			}
 
 			// find resources on classpath (in jar files...) and add to available ones
@@ -343,7 +356,7 @@ public class ConfigDataset {
 				final Collection<String> files = ResourceHelper.findFilesInResources(webappResources, dsConfigPattern);
 				resources.addAll(files);
 			}
-		} catch (IOException e) {
+		} catch (final IOException e) {
 			LOGGER.warn("Datasets could not be read. There might be no configured datasets available!");
 		}
 
@@ -353,7 +366,7 @@ public class ConfigDataset {
 		}
 
 		final List<String> datasets = new ArrayList<>(resources.size());
-		for (String fileName : resources) {
+		for (final String fileName : resources) {
 			final Matcher m = dsConfigPattern.matcher(fileName);
 			if (m.matches()) {
 				final String dataset = m.group(1);
@@ -373,7 +386,8 @@ public class ConfigDataset {
 	// Private methods
 
 	private boolean hasValidDatabase(final Collection<String> allTables) {
-		Collection<String> configTables = new ArrayList<>();
+		final Collection<String> configTables = new ArrayList<>();
+
 		configTables.add(getTableDatecodes());
 		configTables.add(getTableEdges());
 //		configTables.add(getTableIsoAreaBuffer());
@@ -428,7 +442,7 @@ public class ConfigDataset {
 		final Collection<String> allTables;
 		try {
 			allTables = DbUtils.getAllTables(config.getConnection());
-		} catch (SQLException e) {
+		} catch (final SQLException e) {
 			LOGGER.warn("Could not get tables from database... datasets will not be filtered at all");
 			return datasets;
 		}