public class Util extends java.lang.Object
Modifier and Type | Class and Description |
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static interface |
Util.RetryOperator<T> |
Modifier and Type | Field and Description |
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static java.lang.String |
CONVERT_DOT_TO_PDF
On OS X only, and if the graphviz dot binary is installed, when true, dot will be invoked to convert the dot file
to a pdf document.
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static boolean |
HAS_DOT_EXEC |
static int |
ID_LENGTH |
static boolean |
IS_OSX |
Constructor and Description |
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Util() |
Modifier and Type | Method and Description |
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static java.util.Set<java.lang.Class<? extends java.lang.Exception>> |
asClasses(java.lang.String classNames,
java.lang.String warningMessage)
Converts a given comma separated String of Exception names into a List of classes.
|
static <T> java.util.List<T> |
asList(T t,
T[] ts) |
static java.lang.String |
cleansePathName(java.lang.String name) |
static <T> boolean |
contains(java.lang.Class<T> type,
java.util.Collection collection) |
static <T> boolean |
contains(java.lang.Class<T> type,
java.util.Iterator iterator) |
static boolean |
containsNull(java.lang.Object[] values) |
static boolean |
containsWhitespace(java.lang.String string) |
static <T> T[] |
copy(T[] source) |
static <K,V> java.util.HashMap<K,V> |
createHashMap() |
static java.lang.String |
createID(byte[] bytes)
Method CreateID returns a HEX hash of the given bytes with length 32 characters long.
|
static java.lang.String |
createID(java.lang.String rawID) |
static <V> java.util.Set<V> |
createIdentitySet() |
static <V> java.util.Set<V> |
createIdentitySet(java.util.Collection<V> collection) |
static java.lang.Object |
createProtectedObject(java.lang.Class type,
java.lang.Object[] parameters,
java.lang.Class[] parameterTypes) |
static java.lang.String |
createUniqueID() |
static java.lang.String |
createUniqueIDWhichStartsWithAChar() |
static <T> java.util.Set<T> |
differenceIdentity(java.util.Set<T> lhs,
java.util.Set<T> rhs) |
static int |
execProcess(java.io.File parentFile,
java.lang.String... command) |
static java.lang.String |
findContainingJar(java.lang.Class<?> type) |
static java.lang.Class |
findMainClass(java.lang.Class defaultType,
java.lang.String packageExclude) |
static java.lang.String |
findName(java.lang.String path) |
static java.lang.String |
findVersion(java.lang.String path) |
static java.lang.String |
formatDurationDHMSms(long duration) |
static java.lang.String |
formatDurationFromMillis(long duration) |
static java.lang.String |
formatDurationHMSms(long duration) |
static java.lang.String |
formatDurationMSms(long duration) |
static <V> V |
getFirst(java.util.Collection<V> collection) |
static <V> V |
getFirst(java.util.Iterator<V> iterator) |
static java.lang.String |
getHex(byte[] bytes) |
static <V> V |
getLast(java.util.Iterator<V> iterator) |
static java.lang.String |
getSimpleTypeName(java.lang.reflect.Type type) |
static long |
getSinkModified(java.lang.Object config,
java.util.Collection<Tap> sinks) |
static long |
getSourceModified(java.lang.Object confCopy,
java.util.Iterator<Tap> values,
long sinkModified) |
static java.lang.String |
getTypeName(java.lang.reflect.Type type) |
static boolean |
hasClass(java.lang.String typeString) |
static boolean |
hasInstanceMethod(java.lang.Object target,
java.lang.String methodName,
java.lang.Class[] parameterTypes) |
static byte[] |
intToByteArray(int value) |
static <T> T |
invokeConstructor(java.lang.Class<T> target,
java.lang.Object[] parameters,
java.lang.Class[] parameterTypes) |
static java.lang.Object |
invokeConstructor(java.lang.String className,
java.lang.Object[] parameters,
java.lang.Class[] parameterTypes) |
static java.lang.Object |
invokeInstanceMethod(java.lang.Object target,
java.lang.String methodName,
java.lang.Object[] parameters,
java.lang.Class[] parameterTypes) |
static java.lang.Object |
invokeInstanceMethodSafe(java.lang.Object target,
java.lang.String methodName,
java.lang.Object[] parameters,
java.lang.Class[] parameterTypes) |
static java.lang.Object |
invokeStaticMethod(java.lang.Class type,
java.lang.String methodName,
java.lang.Object[] parameters,
java.lang.Class[] parameterTypes) |
static java.lang.Object |
invokeStaticMethod(java.lang.String typeString,
java.lang.String methodName,
java.lang.Object[] parameters,
java.lang.Class[] parameterTypes) |
static boolean |
isEmpty(java.lang.String string) |
static java.lang.String |
join(java.util.Collection collection)
This method joins each value in the collection with a tab character as the delimiter.
|
static java.lang.String |
join(java.util.Collection collection,
java.lang.String delim)
This method joins each valuein the collection with the given delimiter.
|
static java.lang.String |
join(java.util.Collection collection,
java.lang.String delim,
boolean printNull) |
static java.lang.String |
join(int[] list,
java.lang.String delim)
This method joins the values in the given list with the delim String value.
|
static java.lang.String |
join(int[] list,
java.lang.String delim,
boolean printNull) |
static java.lang.String |
join(java.lang.Iterable iterable,
java.lang.String delim,
boolean printNull) |
static java.lang.String |
join(java.lang.Object[] list,
java.lang.String delim)
This method joins the values in the given list with the delim String value.
|
static java.lang.String |
join(java.lang.Object[] list,
java.lang.String delim,
boolean printNull) |
static java.lang.String |
join(java.lang.Object[] list,
java.lang.String delim,
boolean printNull,
int beginAt) |
static java.lang.String |
join(java.lang.Object[] list,
java.lang.String delim,
boolean printNull,
int beginAt,
int length) |
static java.lang.String |
join(java.lang.String delim,
boolean printNull,
java.lang.String... strings) |
static void |
join(java.lang.StringBuffer buffer,
java.util.Collection collection,
java.lang.String delim)
This method joins each value in the collection with the given delimiter.
|
static void |
join(java.lang.StringBuffer buffer,
java.util.Collection collection,
java.lang.String delim,
boolean printNull) |
static java.lang.String |
join(java.lang.String delim,
java.lang.String... strings) |
static java.lang.Class<?> |
loadClass(java.lang.String typeString) |
static java.lang.Class<?> |
loadClassSafe(java.lang.String typeString) |
static byte[] |
longToByteArray(long value) |
static java.lang.String |
makePath(java.lang.String prefix,
java.lang.String name) |
static <N extends java.lang.Number> |
max(java.util.Collection<N> collection) |
static <N extends java.lang.Number> |
min(java.util.Collection<N> collection) |
static <T> java.util.Set<T> |
narrowIdentitySet(java.lang.Class<T> type,
java.util.Collection collection) |
static <T> java.util.Set<T> |
narrowIdentitySet(java.lang.Class<T> type,
java.util.Collection collection,
boolean include) |
static <T> java.util.Set<T> |
narrowIdentitySet(java.lang.Class<T> type,
java.util.Iterator iterator) |
static <T> java.util.Set<T> |
narrowIdentitySet(java.lang.Class<T> type,
java.util.Iterator iterator,
boolean include) |
static <T> java.util.Set<T> |
narrowSet(java.lang.Class<T> type,
java.util.Collection collection) |
static <T> java.util.Set<T> |
narrowSet(java.lang.Class<T> type,
java.util.Collection collection,
boolean include) |
static <T> java.util.Set<T> |
narrowSet(java.lang.Class<T> type,
java.util.Iterator iterator) |
static <T> java.util.Set<T> |
narrowSet(java.lang.Class<T> type,
java.util.Iterator iterator,
boolean include) |
static <T> T |
newInstance(java.lang.Class<T> target,
java.lang.Object... parameters) |
static <T> T |
newInstance(java.lang.String className,
java.lang.Object... parameters) |
static java.lang.String |
normalizeUrl(java.lang.String url)
This method attempts to remove duplicate consecutive forward slashes from the given url.
|
static java.lang.String |
parseHostname(java.lang.String uri) |
static java.lang.String |
print(java.util.Collection collection,
java.lang.String delim) |
static void |
print(java.lang.StringBuffer buffer,
java.util.Collection collection,
java.lang.String delim) |
static void |
printGraph(java.lang.String filename,
org.jgrapht.DirectedGraph graph) |
static java.util.Collection<java.lang.String> |
quote(java.util.Collection<java.lang.String> collection,
java.lang.String quote) |
static void |
removeAllNulls(java.util.List list)
This method removes all nulls from the given List.
|
static java.lang.String[] |
removeNulls(java.lang.String... strings) |
static <T> T |
retry(org.slf4j.Logger logger,
int retries,
int secondsDelay,
java.lang.String message,
Util.RetryOperator<T> operator) |
static <R> R |
returnInstanceFieldIfExists(java.lang.Object target,
java.lang.String fieldName) |
static <R> R |
returnInstanceFieldIfExistsSafe(java.lang.Object target,
java.lang.String fieldName) |
static <K,V> boolean |
reverseMap(java.util.Map<V,K> from,
java.util.Map<K,V> to) |
static void |
safeSleep(long durationMillis) |
static java.lang.String |
sanitizeUrl(java.lang.String url)
This method attempts to remove any username and password from the given url String.
|
static <R> void |
setInstanceFieldIfExists(java.lang.Object target,
java.lang.String fieldName,
R value) |
static <R> boolean |
setInstanceFieldIfExistsSafe(java.lang.Object target,
java.lang.String fieldName,
R value) |
static java.lang.String[] |
simpleTypeNames(java.lang.reflect.Type[] types) |
static <T> java.util.List<T> |
split(java.lang.Class<T> type,
java.lang.String values) |
static <T> java.util.List<T> |
split(java.lang.Class<T> type,
java.lang.String delim,
java.lang.String values) |
static java.lang.Boolean |
submitWithTimeout(java.util.concurrent.Callable<java.lang.Boolean> task,
int timeout,
java.util.concurrent.TimeUnit timeUnit) |
static java.lang.String |
toNull(java.lang.Object object)
This method returns the
Object.toString() of the given object, or an empty String if the object
is null. |
static java.lang.String |
truncate(java.lang.String string,
int maxSize)
This method truncates the given String value to the given size, but appends an ellipse ("...") if the
String is larger than maxSize.
|
static java.lang.String[] |
typeNames(java.lang.reflect.Type[] types) |
static java.lang.String |
unique(java.lang.String value,
java.lang.String delim) |
static void |
writeDOT(java.io.Writer writer,
org.jgrapht.DirectedGraph graph,
IntegerNameProvider vertexIdProvider,
VertexNameProvider vertexNameProvider,
EdgeNameProvider edgeNameProvider) |
static void |
writeDOT(java.io.Writer writer,
org.jgrapht.DirectedGraph graph,
IntegerNameProvider vertexIdProvider,
VertexNameProvider vertexNameProvider,
EdgeNameProvider edgeNameProvider,
ComponentAttributeProvider vertexAttributeProvider,
ComponentAttributeProvider edgeAttributeProvider) |
static void |
writePDF(java.lang.String path) |
public static final java.lang.String CONVERT_DOT_TO_PDF
public static int ID_LENGTH
public static final boolean IS_OSX
public static final boolean HAS_DOT_EXEC
public Util()
public static <K,V> java.util.HashMap<K,V> createHashMap()
public static <K,V> boolean reverseMap(java.util.Map<V,K> from, java.util.Map<K,V> to)
public static <V> java.util.Set<V> createIdentitySet()
public static <V> java.util.Set<V> createIdentitySet(java.util.Collection<V> collection)
public static <V> V getFirst(java.util.Collection<V> collection)
public static <V> V getFirst(java.util.Iterator<V> iterator)
public static <V> V getLast(java.util.Iterator<V> iterator)
public static <T> java.util.List<T> asList(T t, T[] ts)
public static <N extends java.lang.Number> N max(java.util.Collection<N> collection)
public static <N extends java.lang.Number> N min(java.util.Collection<N> collection)
public static <T> java.util.Set<T> narrowSet(java.lang.Class<T> type, java.util.Collection collection)
public static <T> java.util.Set<T> narrowIdentitySet(java.lang.Class<T> type, java.util.Collection collection)
public static <T> java.util.Set<T> narrowSet(java.lang.Class<T> type, java.util.Collection collection, boolean include)
public static <T> java.util.Set<T> narrowIdentitySet(java.lang.Class<T> type, java.util.Collection collection, boolean include)
public static <T> java.util.Set<T> narrowSet(java.lang.Class<T> type, java.util.Iterator iterator)
public static <T> java.util.Set<T> narrowIdentitySet(java.lang.Class<T> type, java.util.Iterator iterator)
public static <T> java.util.Set<T> narrowSet(java.lang.Class<T> type, java.util.Iterator iterator, boolean include)
public static <T> java.util.Set<T> narrowIdentitySet(java.lang.Class<T> type, java.util.Iterator iterator, boolean include)
public static <T> boolean contains(java.lang.Class<T> type, java.util.Collection collection)
public static <T> boolean contains(java.lang.Class<T> type, java.util.Iterator iterator)
public static <T> java.util.Set<T> differenceIdentity(java.util.Set<T> lhs, java.util.Set<T> rhs)
public static java.lang.String createUniqueIDWhichStartsWithAChar()
public static java.lang.String createUniqueID()
public static java.lang.String createID(java.lang.String rawID)
public static java.lang.String createID(byte[] bytes)
bytes
- the bytespublic static java.lang.String getHex(byte[] bytes)
public static byte[] longToByteArray(long value)
public static byte[] intToByteArray(int value)
public static <T> T[] copy(T[] source)
public static java.lang.String unique(java.lang.String value, java.lang.String delim)
public static java.lang.String join(int[] list, java.lang.String delim)
list
- delim
- public static java.lang.String join(int[] list, java.lang.String delim, boolean printNull)
public static java.lang.String join(java.lang.String delim, java.lang.String... strings)
public static java.lang.String join(java.lang.String delim, boolean printNull, java.lang.String... strings)
public static java.lang.String join(java.lang.Object[] list, java.lang.String delim)
list
- delim
- public static java.lang.String join(java.lang.Object[] list, java.lang.String delim, boolean printNull)
public static java.lang.String join(java.lang.Object[] list, java.lang.String delim, boolean printNull, int beginAt)
public static java.lang.String join(java.lang.Object[] list, java.lang.String delim, boolean printNull, int beginAt, int length)
public static java.lang.String join(java.lang.Iterable iterable, java.lang.String delim, boolean printNull)
public static java.lang.String join(java.util.Collection collection)
collection
- public static java.lang.String join(java.util.Collection collection, java.lang.String delim)
collection
- delim
- public static java.lang.String join(java.util.Collection collection, java.lang.String delim, boolean printNull)
public static void join(java.lang.StringBuffer buffer, java.util.Collection collection, java.lang.String delim)
StringBuffer
instance.buffer
- collection
- delim
- public static void join(java.lang.StringBuffer buffer, java.util.Collection collection, java.lang.String delim, boolean printNull)
public static <T> java.util.List<T> split(java.lang.Class<T> type, java.lang.String values)
public static <T> java.util.List<T> split(java.lang.Class<T> type, java.lang.String delim, java.lang.String values)
public static java.lang.String[] removeNulls(java.lang.String... strings)
public static java.util.Collection<java.lang.String> quote(java.util.Collection<java.lang.String> collection, java.lang.String quote)
public static java.lang.String print(java.util.Collection collection, java.lang.String delim)
public static void print(java.lang.StringBuffer buffer, java.util.Collection collection, java.lang.String delim)
public static java.lang.String sanitizeUrl(java.lang.String url)
url
- public static java.lang.String normalizeUrl(java.lang.String url)
url
- public static java.lang.String toNull(java.lang.Object object)
Object.toString()
of the given object, or an empty String if the object
is null.object
- public static java.lang.String truncate(java.lang.String string, int maxSize)
string
- maxSize
- public static void printGraph(java.lang.String filename, org.jgrapht.DirectedGraph graph)
public static void removeAllNulls(java.util.List list)
list
- public static void writeDOT(java.io.Writer writer, org.jgrapht.DirectedGraph graph, IntegerNameProvider vertexIdProvider, VertexNameProvider vertexNameProvider, EdgeNameProvider edgeNameProvider)
public static void writeDOT(java.io.Writer writer, org.jgrapht.DirectedGraph graph, IntegerNameProvider vertexIdProvider, VertexNameProvider vertexNameProvider, EdgeNameProvider edgeNameProvider, ComponentAttributeProvider vertexAttributeProvider, ComponentAttributeProvider edgeAttributeProvider)
public static boolean isEmpty(java.lang.String string)
public static java.lang.String findVersion(java.lang.String path)
public static java.lang.String findName(java.lang.String path)
public static long getSourceModified(java.lang.Object confCopy, java.util.Iterator<Tap> values, long sinkModified) throws java.io.IOException
java.io.IOException
public static long getSinkModified(java.lang.Object config, java.util.Collection<Tap> sinks) throws java.io.IOException
java.io.IOException
public static java.lang.String getTypeName(java.lang.reflect.Type type)
public static java.lang.String getSimpleTypeName(java.lang.reflect.Type type)
public static java.lang.String[] typeNames(java.lang.reflect.Type[] types)
public static java.lang.String[] simpleTypeNames(java.lang.reflect.Type[] types)
public static boolean containsNull(java.lang.Object[] values)
public static void safeSleep(long durationMillis)
public static void writePDF(java.lang.String path)
public static int execProcess(java.io.File parentFile, java.lang.String... command)
public static java.lang.String formatDurationFromMillis(long duration)
public static java.lang.String formatDurationMSms(long duration)
public static java.lang.String formatDurationHMSms(long duration)
public static java.lang.String formatDurationDHMSms(long duration)
public static java.util.Set<java.lang.Class<? extends java.lang.Exception>> asClasses(java.lang.String classNames, java.lang.String warningMessage)
classNames
- A comma separated String of Exception names.public static java.lang.Boolean submitWithTimeout(java.util.concurrent.Callable<java.lang.Boolean> task, int timeout, java.util.concurrent.TimeUnit timeUnit) throws java.lang.Exception
java.lang.Exception
public static <T> T retry(org.slf4j.Logger logger, int retries, int secondsDelay, java.lang.String message, Util.RetryOperator<T> operator) throws java.lang.Exception
java.lang.Exception
public static java.lang.Object createProtectedObject(java.lang.Class type, java.lang.Object[] parameters, java.lang.Class[] parameterTypes)
public static boolean hasClass(java.lang.String typeString)
public static <T> T newInstance(java.lang.String className, java.lang.Object... parameters)
public static <T> T newInstance(java.lang.Class<T> target, java.lang.Object... parameters)
public static java.lang.Object invokeStaticMethod(java.lang.String typeString, java.lang.String methodName, java.lang.Object[] parameters, java.lang.Class[] parameterTypes)
public static java.lang.Class<?> loadClass(java.lang.String typeString)
public static java.lang.Class<?> loadClassSafe(java.lang.String typeString)
public static java.lang.Object invokeStaticMethod(java.lang.Class type, java.lang.String methodName, java.lang.Object[] parameters, java.lang.Class[] parameterTypes)
public static boolean hasInstanceMethod(java.lang.Object target, java.lang.String methodName, java.lang.Class[] parameterTypes)
public static java.lang.Object invokeInstanceMethodSafe(java.lang.Object target, java.lang.String methodName, java.lang.Object[] parameters, java.lang.Class[] parameterTypes)
public static java.lang.Object invokeInstanceMethod(java.lang.Object target, java.lang.String methodName, java.lang.Object[] parameters, java.lang.Class[] parameterTypes)
public static <R> R returnInstanceFieldIfExistsSafe(java.lang.Object target, java.lang.String fieldName)
public static java.lang.Object invokeConstructor(java.lang.String className, java.lang.Object[] parameters, java.lang.Class[] parameterTypes)
public static <T> T invokeConstructor(java.lang.Class<T> target, java.lang.Object[] parameters, java.lang.Class[] parameterTypes)
public static <R> R returnInstanceFieldIfExists(java.lang.Object target, java.lang.String fieldName)
public static <R> boolean setInstanceFieldIfExistsSafe(java.lang.Object target, java.lang.String fieldName, R value)
public static <R> void setInstanceFieldIfExists(java.lang.Object target, java.lang.String fieldName, R value)
public static java.lang.String makePath(java.lang.String prefix, java.lang.String name)
public static java.lang.String cleansePathName(java.lang.String name)
public static java.lang.Class findMainClass(java.lang.Class defaultType, java.lang.String packageExclude)
public static java.lang.String findContainingJar(java.lang.Class<?> type)
public static boolean containsWhitespace(java.lang.String string)
public static java.lang.String parseHostname(java.lang.String uri)
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