public class TypeUtil extends Object
Constructor and Description |
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TypeUtil() |
Modifier and Type | Method and Description |
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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 c) |
static int |
convertHexDigit(int c) |
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)
Deprecated.
|
static void |
toHex(byte b,
Appendable buf) |
static void |
toHex(int value,
Appendable buf) |
static void |
toHex(long value,
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 c)
c
- An ASCII encoded character 0-9 a-f A-Fpublic static int convertHexDigit(int c)
c
- An ASCII encoded character 0-9 a-f A-Fpublic static void toHex(byte b, Appendable buf)
public static void toHex(int value, Appendable buf) throws IOException
IOException
public static void toHex(long value, Appendable buf) throws IOException
IOException
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
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