Java Utililty Methods Stream Close

List of utility methods to do Stream Close

  1. HOME
  2. Java
  3. S
  4. Stream Close

Description

The list of methods to do Stream Close are organized into topic(s).

Method

Throwableclose(final OutputStream dest)
close 
if (dest != null) {
    try {
        dest.close();
    } catch (final Throwable t) {
        return t;
return null;
...
voidclose(final Scanner scanner)
close 
if (scanner != null) {
    scanner.close();
voidclose(Iterator iterator)
Checks if the provided iterator implements Closeable . 
if (iterator != null && iterator instanceof Closeable) {
    try {
        ((Closeable) iterator).close();
    } catch (IOException e) {
        String name = iterator.getClass().getPackage().toString();
        Logger log = Logger.getLogger(name);
        log.log(Level.FINE, e.getMessage(), e);
voidclose(java.io.Closeable in)
Closes a stream, handling all exceptions 
if (in == null)
    return;
try {
    in.close();
} catch (Exception e) {
voidclose(JMXConnector connector)
close 
if (connector != null) {
    try {
        connector.close();
    } catch (IOException e) {
        e.printStackTrace();
voidclose(Object obj)
close 
if (obj == null)
    return;
try {
    if (obj instanceof InputStream)
        ((InputStream) obj).close();
    else if (obj instanceof ZipFile)
        ((ZipFile) obj).close();
    else if (obj instanceof OutputStream)
...
voidclose(Object resource)
Closes the streams and resources. 
try {
    if (resource instanceof InputStream) {
        ((InputStream) resource).close();
    } else if (resource instanceof OutputStream) {
        ((OutputStream) resource).close();
    } else if (resource instanceof Reader) {
        ((Reader) resource).close();
    } else if (resource instanceof Writer) {
...
voidclose(ObjectInput in)
close 
try {
    if (in != null) {
        in.close();
} catch (Exception ex) {
voidclose(OutputStream in)
Just a convenience method to avoid littering code with if's and catches 
try {
    if (in != null) {
        in.close();
} catch (Exception e) {
    e.printStackTrace();
voidclose(OutputStream os)
Close output streams that are not print streams. 
if (!(os instanceof PrintStream)) {
    os.close();