edu.umd.cs.findbugs.util

Class Util

java.lang.Object

edu.umd.cs.findbugs.util.Util

public class Util
extends java.lang.Object

Author:

William Pugh

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static <K> java.util.List<K>	addTo(java.util.List<K> s, K k)
static <K> java.util.Set<K>	addTo(java.util.Set<K> s, K k)
static void	closeSilently(java.io.Closeable out) Deprecated. Use try-with-resources instead. And basically IOException from OutputStream.close() is not good to ignore.
static void	closeSilently(java.io.InputStream in)
static void	closeSilently(java.io.OutputStream out) Deprecated. Use try-with-resources instead. And basically IOException from OutputStream.close() is not good to ignore.
static void	closeSilently(java.io.Reader in) Deprecated. Use try-with-resources instead.
static void	closeSilently(java.util.zip.ZipFile zip) Deprecated. Use try-with-resources instead.
static <T> java.util.Set<T>	emptyOrNonnullSingleton(T t)
static <E> E	first(java.lang.Iterable<E> i)
static java.lang.String	getFileExtension(java.io.File f)
static java.lang.String	getFileExtensionIgnoringGz(java.io.File f)
static java.io.Reader	getFileReader(java.io.File filename)
static java.io.Reader	getFileReader(java.lang.String filename)
static java.io.Writer	getFileWriter(java.lang.String filename)
static java.security.MessageDigest	getMD5Digest()
static java.io.Reader	getReader(java.io.InputStream in)
static java.io.Writer	getWriter(java.io.OutputStream out)
static java.lang.String	getXMLType(java.io.InputStream in)
static <K,V> java.util.Map<K,V>	immutableMap(java.util.Map<K,V> map)
static boolean	isPowerOfTwo(int i)
static <K> java.util.ArrayList<K>	makeSmallArrayList(java.util.List<K> m)
static <K,V> java.util.HashMap<K,V>	makeSmallHashMap(java.util.Map<K,V> m)
static <K> java.util.HashSet<K>	makeSmallHashSet(java.util.Collection<K> m)
static java.lang.String	repeat(java.lang.String s, int number)
static java.lang.Thread	runInDameonThread(java.lang.Runnable r)
static java.lang.Thread	runInDameonThread(java.lang.Runnable r, java.lang.String name)
static void	runLogAtShutdown(java.lang.Runnable r)
static java.lang.Thread	startDameonThread(java.lang.Thread t)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Util

public Util()

Method Detail

startDameonThread

public static java.lang.Thread startDameonThread(java.lang.Thread t)

runInDameonThread

public static java.lang.Thread runInDameonThread(java.lang.Runnable r,
                                                 java.lang.String name)

runInDameonThread

public static java.lang.Thread runInDameonThread(java.lang.Runnable r)

repeat

public static java.lang.String repeat(java.lang.String s,
                                      int number)

runLogAtShutdown

public static void runLogAtShutdown(java.lang.Runnable r)

emptyOrNonnullSingleton

public static <T> java.util.Set<T> emptyOrNonnullSingleton(T t)

immutableMap

public static <K,V> java.util.Map<K,V> immutableMap(java.util.Map<K,V> map)

getReader

public static java.io.Reader getReader(@WillCloseWhenClosed
                                       java.io.InputStream in)

getFileReader

public static java.io.Reader getFileReader(java.lang.String filename)
                                    throws java.io.FileNotFoundException

Throws:

java.io.FileNotFoundException

getFileReader

public static java.io.Reader getFileReader(java.io.File filename)
                                    throws java.io.FileNotFoundException

Throws:

java.io.FileNotFoundException

getWriter

public static java.io.Writer getWriter(@WillCloseWhenClosed
                                       java.io.OutputStream out)

getFileWriter

public static java.io.Writer getFileWriter(java.lang.String filename)
                                    throws java.io.FileNotFoundException

Throws:

java.io.FileNotFoundException

closeSilently

public static void closeSilently(@WillClose
                                 java.io.InputStream in)

closeSilently

@Deprecated
public static void closeSilently(@WillClose
                                             java.io.Reader in)

Deprecated. Use try-with-resources instead.

closeSilently

@Deprecated
public static void closeSilently(@WillClose
                                             java.io.OutputStream out)

Deprecated. Use try-with-resources instead. And basically IOException from OutputStream.close() is not good to ignore.

closeSilently

@Deprecated
public static void closeSilently(@WillClose
                                             java.io.Closeable out)

Deprecated. Use try-with-resources instead. And basically IOException from OutputStream.close() is not good to ignore.

closeSilently

@Deprecated
public static void closeSilently(@WillClose
                                             java.util.zip.ZipFile zip)

Deprecated. Use try-with-resources instead.

getXMLType

public static java.lang.String getXMLType(@WillNotClose
                                          java.io.InputStream in)
                                   throws java.io.IOException

Throws:

java.io.IOException

getFileExtension

public static java.lang.String getFileExtension(java.io.File f)

getFileExtensionIgnoringGz

public static java.lang.String getFileExtensionIgnoringGz(java.io.File f)

first

public static <E> E first(java.lang.Iterable<E> i)

Parameters:

i - the Iterable whose first element is to be retrieved

Returns:

first element of iterable

makeSmallHashMap

public static <K,V> java.util.HashMap<K,V> makeSmallHashMap(java.util.Map<K,V> m)

makeSmallHashSet

public static <K> java.util.HashSet<K> makeSmallHashSet(java.util.Collection<K> m)

makeSmallArrayList

public static <K> java.util.ArrayList<K> makeSmallArrayList(java.util.List<K> m)

addTo

public static <K> java.util.Set<K> addTo(java.util.Set<K> s,
                                         K k)

addTo

public static <K> java.util.List<K> addTo(java.util.List<K> s,
                                          K k)

getMD5Digest

@Nonnull
public static java.security.MessageDigest getMD5Digest()

isPowerOfTwo

public static boolean isPowerOfTwo(int i)