OO-283: remove gnuregexp and jazzlib

pom.xml

@@ -1103,7 +1103,7 @@
 			<artifactId>javassist</artifactId>
 			<version>3.8.0.GA</version>
 		</dependency>
-		<dependency>
+		<dependency><!-- Velocity dependency -->
 			<groupId>oro</groupId>
 			<artifactId>oro</artifactId>
 			<version>2.0.8</version>
@@ -1237,11 +1237,6 @@
 			<classifier>patched</classifier><!-- patched version of scorm adapter: 
 				contact: matthai.kurian@gmail.com -->
 		</dependency>
-		<dependency>
-			<groupId>gnu-regexp</groupId>
-			<artifactId>gnu-regexp</artifactId>
-			<version>1.1.4</version>
-		</dependency>	
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
@@ -1441,12 +1436,6 @@
 			<!-- <exclusions> <exclusion> <groupId>backport-util-concurrent</groupId> 
 				<artifactId>backport-util-concurrent</artifactId> </exclusion> </exclusions> -->
 		</dependency>
-		<dependency>
-			<groupId>jazzlib</groupId>
-			<artifactId>jazzlib</artifactId>
-			<version>0.0.6</version> <!-- do not replace with 0.0.7 as this version is highly patched. -->
-			<classifier>patched</classifier>
-		</dependency>
 		<dependency>
 			<groupId>org.json</groupId>
 			<artifactId>json</artifactId>

src/main/java/org/olat/core/util/vfs/version/VersionsFileManager.java

@@ -30,6 +30,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 import java.util.UUID;
+import java.util.zip.ZipInputStream;
 
 import org.olat.core.commons.modules.bc.FolderConfig;
 import org.olat.core.commons.modules.bc.meta.MetaInfo;
@@ -165,7 +166,7 @@ public class VersionsFileManager extends VersionsManager implements Initializabl
 		VFSLeaf currentFile = (VFSLeaf) currentVersion;
 		if (addToRevisions(currentVersion, identity, comment)) {
 			// copy the content of the new file to the old
-			boolean closeInputStream = !(newFile instanceof net.sf.jazzlib.ZipInputStream || newFile instanceof java.util.zip.ZipInputStream);
+			boolean closeInputStream = !(newFile instanceof ZipInputStream);
 			if (VFSManager.copyContent(newFile, currentFile, closeInputStream)) { return true; }
 		} else {
 			log.error("Cannot create a version of this file: " + currentVersion);

src/main/java/org/olat/repository/handlers/PortfolioHandler.java

@@ -27,10 +27,9 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.List;
-
-import net.sf.jazzlib.ZipEntry;
-import net.sf.jazzlib.ZipInputStream;
-import net.sf.jazzlib.ZipOutputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+import java.util.zip.ZipOutputStream;
 
 import org.hibernate.collection.PersistentList;
 import org.olat.core.CoreSpringFactory;

src/main/java/org/olat/search/service/document/file/OpenDocument.java

@@ -22,9 +22,8 @@ package org.olat.search.service.document.file;
 
 import java.io.IOException;
 import java.io.InputStream;
-
-import net.sf.jazzlib.ZipEntry;
-import net.sf.jazzlib.ZipInputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
 
 import org.apache.lucene.document.Document;
 import org.olat.core.logging.OLog;