public class TypeUtil extends Object
Constructor and Description |
---|
TypeUtil() |
Modifier and Type | Method and Description |
---|---|
static <T> List<T> |
asList(T[] a)
Array to List.
|
static Object |
call(Class<?> oClass,
String method,
Object obj,
Object[] arg) |
static byte |
convertHexDigit(byte b) |
static void |
dump(Class<?> c) |
static void |
dump(ClassLoader cl) |
static byte[] |
fromHexString(String s) |
static Class<?> |
fromName(String name)
Class from a canonical name for a type.
|
static URL |
jarFor(String className) |
static byte[] |
parseBytes(String s,
int base) |
static int |
parseInt(byte[] b,
int offset,
int length,
int base)
Parse an int from a byte array of ascii characters.
|
static int |
parseInt(String s,
int offset,
int length,
int base)
Parse an int from a substring.
|
static byte[] |
readLine(InputStream in) |
static void |
toHex(byte b,
Appendable buf) |
static String |
toHexString(byte b) |
static String |
toHexString(byte[] b) |
static String |
toHexString(byte[] b,
int offset,
int length) |
static String |
toName(Class<?> type)
Canonical name for a type.
|
static String |
toString(byte[] bytes,
int base) |
static Object |
valueOf(Class<?> type,
String value)
Convert String value to instance.
|
static Object |
valueOf(String type,
String value)
Convert String value to instance.
|
public static <T> List<T> asList(T[] a)
Works like Arrays.asList(Object...)
, but handles null arrays.
public static Class<?> fromName(String name)
name
- A class or type name.public static String toName(Class<?> type)
type
- A class , which may be a primitive TYPE field.public static Object valueOf(Class<?> type, String value)
type
- The class of the instance, which may be a primitive TYPE field.value
- The value as a string.public static Object valueOf(String type, String value)
type
- classname or type (eg int)value
- The value as a string.public static int parseInt(String s, int offset, int length, int base) throws NumberFormatException
s
- Stringoffset
- Offset within stringlength
- Length of integer or -1 for remainder of stringbase
- base of the integerNumberFormatException
- if the string cannot be parsedpublic static int parseInt(byte[] b, int offset, int length, int base) throws NumberFormatException
b
- byte arrayoffset
- Offset within stringlength
- Length of integer or -1 for remainder of stringbase
- base of the integerNumberFormatException
- if the array cannot be parsed into an integerpublic static byte[] parseBytes(String s, int base)
public static String toString(byte[] bytes, int base)
public static byte convertHexDigit(byte b)
b
- An ASCII encoded character 0-9 a-f A-Fpublic static void toHex(byte b, Appendable buf)
public static String toHexString(byte b)
public static String toHexString(byte[] b)
public static String toHexString(byte[] b, int offset, int length)
public static byte[] fromHexString(String s)
public static void dump(Class<?> c)
public static void dump(ClassLoader cl)
public static byte[] readLine(InputStream in) throws IOException
IOException
public static Object call(Class<?> oClass, String method, Object obj, Object[] arg) throws InvocationTargetException, NoSuchMethodException
Copyright © 1995-2012 Mort Bay Consulting. All Rights Reserved.