#239 close input streams

sparql-anything-archive/src/main/java/io/github/sparqlanything/zip/TarTriplifier.java

@@ -50,7 +50,6 @@ public void triplify(Properties properties, FacadeXGraphBuilder builder) throws
 
 		logger.trace("Matches {}", matches);
 
-//		Graph g = GraphFactory.createDefaultGraph();
 		builder.addRoot(dataSourceId);
 
 		try {
@@ -67,6 +66,8 @@ public void triplify(Properties properties, FacadeXGraphBuilder builder) throws
 
 			}
 
+			debInputStream.close();
+
 		} catch (ArchiveException e) {
 			throw new IOException(e);
 		}

sparql-anything-archive/src/main/java/io/github/sparqlanything/zip/ZipTriplifier.java

@@ -60,6 +60,8 @@ public void triplify(Properties properties, FacadeXGraphBuilder builder) throws
 				i++;
 			}
 		}
+
+		zis.close();
 	}
 
 	@Override

sparql-anything-bib/src/main/java/io/github/sparqlanything/bib/BibtexTriplifier.java

@@ -49,10 +49,9 @@ public void triplify(Properties properties, FacadeXGraphBuilder builder) throws
 
 		builder.addRoot(dataSourceId);
 
-		try (InputStream is = Triplifier.getInputStream(properties)){
+		try (InputStream is = Triplifier.getInputStream(properties); Reader reader = new InputStreamReader(is)){
 
 			BibTeXParser bibtexParser = new BibTeXParser();
-			Reader reader = new InputStreamReader(is);
 			BibTeXDatabase bibDB = bibtexParser.parse(reader);
 			AtomicInteger count = new AtomicInteger();
 			bibDB.getEntries().forEach((key, entry) -> {

sparql-anything-binary/src/main/java/io/github/sparqlanything/binary/BinaryTriplifier.java

@@ -98,12 +98,15 @@ private byte[] downloadUrl(URL toDownload) {
 				outputStream.write(chunk, 0, bytesRead);
 			}
 
+			stream.close();
+
+			byte[] result = outputStream.toByteArray();
+			outputStream.close();
+			return result;
 		} catch (IOException e) {
 			logger.error("",e);
 			return null;
 		}
-
-		return outputStream.toByteArray();
 	}
 
 	@Override