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java.lang.Object org.apache.lucene.util.ArrayUtil
public final class ArrayUtil
Methods for manipulating arrays.
Constructor Summary | |
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ArrayUtil()
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Method Summary | |
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static int |
getNextSize(int targetSize)
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static int |
getShrinkSize(int currentSize,
int targetSize)
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static byte[] |
grow(byte[] array)
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static byte[] |
grow(byte[] array,
int minSize)
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static int[] |
grow(int[] array)
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static int[] |
grow(int[] array,
int minSize)
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static long[] |
grow(long[] array)
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static long[] |
grow(long[] array,
int minSize)
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static int |
hashCode(byte[] array,
int start,
int end)
Returns hash of chars in range start (inclusive) to end (inclusive) |
static int |
hashCode(char[] array,
int start,
int end)
Returns hash of chars in range start (inclusive) to end (inclusive) |
static int |
parseInt(char[] chars)
Parses the string argument as if it was an int value and returns the result. |
static int |
parseInt(char[] chars,
int offset,
int len)
Parses a char array into an int. |
static int |
parseInt(char[] chars,
int offset,
int len,
int radix)
Parses the string argument as if it was an int value and returns the result. |
static byte[] |
shrink(byte[] array,
int targetSize)
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static int[] |
shrink(int[] array,
int targetSize)
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static long[] |
shrink(long[] array,
int targetSize)
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ArrayUtil()
Method Detail |
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public static int parseInt(char[] chars) throws NumberFormatException
chars
- a string representation of an int quantity.
NumberFormatException
- if the argument could not be parsed as an int quantity.public static int parseInt(char[] chars, int offset, int len) throws NumberFormatException
chars
- the character arrayoffset
- The offset into the arraylen
- The length
NumberFormatException
- if it can't parsepublic static int parseInt(char[] chars, int offset, int len, int radix) throws NumberFormatException
chars
- a string representation of an int quantity.radix
- the base to use for conversion.
NumberFormatException
- if the argument could not be parsed as an int quantity.public static int getNextSize(int targetSize)
public static int getShrinkSize(int currentSize, int targetSize)
public static int[] grow(int[] array, int minSize)
public static int[] grow(int[] array)
public static int[] shrink(int[] array, int targetSize)
public static long[] grow(long[] array, int minSize)
public static long[] grow(long[] array)
public static long[] shrink(long[] array, int targetSize)
public static byte[] grow(byte[] array, int minSize)
public static byte[] grow(byte[] array)
public static byte[] shrink(byte[] array, int targetSize)
public static int hashCode(char[] array, int start, int end)
public static int hashCode(byte[] array, int start, int end)
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