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java.lang.Object | +--com.niggle.util.Util
Dumping ground for utility functions that are more or less general-purpose.
Field Summary | |
static java.util.Enumeration |
EMPTY_ENUM
An empty java.util.Enumeration, comes in handy for API's that require an Enumeration to be passed in or out. |
static java.util.Iterator |
EMPTY_ITERATOR
An empty java.util.Iterator, comes in handy for API's that require an Iterator to be passed in or out. |
static java.lang.Integer |
ZERO
A zero integer wrapper, defined statically here to avoid replications |
Constructor Summary | |
Util()
|
Method Summary | |
static java.util.Enumeration |
arrayAsEnumeration(java.lang.Object[] arr)
wraps an array of objects as an instance of java.util.Enumeration useful for API's that require an Enumeration to be passed in or out. |
static java.lang.String |
convertHTMLEntities(java.lang.String s)
Converts the literal characters in a string to HTML entities as need be. |
static java.lang.Class |
findClass(java.lang.String className,
java.lang.ClassLoader loader)
|
static java.io.InputStream |
getInputStream(java.lang.String location)
Gets the specified input stream, assuming that it may be a fully specified filename, OR relative to the classpath. |
static java.io.InputStream |
getInputStream(java.lang.String location,
java.lang.ClassLoader cl)
|
static boolean |
hasContent(java.lang.String s)
|
static java.lang.String |
noNull(java.lang.String s)
|
static java.util.Iterator |
objectAsIterator(java.lang.Object o)
take a single object and wrap it up as an instance of java.util.Iterator useful for API's that require an Iterator to be passed in or out. |
static void |
printFullStackTrace(java.lang.Throwable t,
java.io.PrintStream stream)
|
static boolean |
s2b(java.lang.String s)
Convert a String to a boolean. |
static int |
s2i(java.lang.String s)
Convert a String to an int. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public static final java.util.Enumeration EMPTY_ENUM
public static final java.util.Iterator EMPTY_ITERATOR
public static final java.lang.Integer ZERO
Constructor Detail |
public Util()
Method Detail |
public static int s2i(java.lang.String s)
If an NumberFormatException is raised, or s
is null, write an error to the
error log and return Integer.MIN_VALUE.
s
- the String to be converted.
public static boolean s2b(java.lang.String s)
s
- the string to be converted.true
can be represented by:
false
are easily deduced.public static java.lang.String noNull(java.lang.String s)
public static boolean hasContent(java.lang.String s)
public static java.io.InputStream getInputStream(java.lang.String location)
public static java.io.InputStream getInputStream(java.lang.String location, java.lang.ClassLoader cl)
public static java.lang.Class findClass(java.lang.String className, java.lang.ClassLoader loader) throws java.lang.ClassNotFoundException
public static java.util.Enumeration arrayAsEnumeration(java.lang.Object[] arr)
public static java.util.Iterator objectAsIterator(java.lang.Object o)
public static void printFullStackTrace(java.lang.Throwable t, java.io.PrintStream stream)
public static java.lang.String convertHTMLEntities(java.lang.String s)
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