Class Allocator
java.lang.Object
org.apache.commons.imaging.common.Allocator
Checks inputs for meeting allocation limits and allocates arrays.
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionstatic <T> Tapply(int request, IntFunction<T> factory) Allocates an Object of type T of the requested size.static <T> T[]array(int request, IntFunction<T[]> factory, int eltShallowByteSize) Allocates an array of type T of the requested size.static <T> ArrayList<T> arrayList(int request) Allocates an Object array of type T of the requested size.static byte[]byteArray(int request) Allocates a byte array of the requested size.static byte[]byteArray(long request) Allocates a byte array of the requested size.static char[]charArray(int request) Allocates a char array of the requested size.static intcheck(int request) Checks a request for meeting allocation limits.static intcheck(int request, int elementSize) Checks a request for meeting allocation limits.static intcheck(long request, int elementSize) Checks a request for meeting allocation limits.static intcheckByteArray(int request) Checks that allocating a byte array of the requested size is within the limit.static double[]doubleArray(int request) Allocates a double array of the requested size.static float[]floatArray(int request) Allocates a float array of the requested size.static int[]intArray(int request) Allocates a int array of the requested size.static long[]longArray(int request) Allocates a long array of the requested size.static short[]shortArray(int request) Allocates a short array of the requested size.
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Constructor Details
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Allocator
public Allocator()
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Method Details
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apply
Allocates an Object of type T of the requested size.- Type Parameters:
T- The return array type- Parameters:
request- The requested size.factory- The array factory.- Returns:
- a new byte array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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array
Allocates an array of type T of the requested size.- Type Parameters:
T- The return array type- Parameters:
request- The requested size.factory- The array factory.eltShallowByteSize- The shallow byte size of an element.- Returns:
- a new byte array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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arrayList
Allocates an Object array of type T of the requested size.- Type Parameters:
T- The return array type- Parameters:
request- The requested size.- Returns:
- a new byte array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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byteArray
Allocates a byte array of the requested size.- Parameters:
request- The requested size.- Returns:
- a new byte array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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byteArray
Allocates a byte array of the requested size.- Parameters:
request- The requested size is cast down to an int.- Returns:
- a new byte array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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charArray
Allocates a char array of the requested size.- Parameters:
request- The requested size.- Returns:
- a new char array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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check
Checks a request for meeting allocation limits.The default limit is
#DEFAULT, override with the system property "org.apache.commons.imaging.common.mylzw.AllocationChecker".- Parameters:
request- an allocation request.- Returns:
- the request.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.
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check
Checks a request for meeting allocation limits.The default limit is
#DEFAULT, override with the system property "org.apache.commons.imaging.common.mylzw.AllocationChecker".- Parameters:
request- an allocation request count.elementSize- The element size.- Returns:
- the request.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.
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check
Checks a request for meeting allocation limits.The default limit is
#DEFAULT, override with the system property "org.apache.commons.imaging.common.mylzw.AllocationChecker".- Parameters:
request- an allocation request count is cast down to an int.elementSize- The element size.- Returns:
- the request.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.
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checkByteArray
Checks that allocating a byte array of the requested size is within the limit.- Parameters:
request- The byte array size.- Returns:
- The input request.
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doubleArray
Allocates a double array of the requested size.- Parameters:
request- The requested size.- Returns:
- a new double array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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floatArray
Allocates a float array of the requested size.- Parameters:
request- The requested size.- Returns:
- a new float array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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intArray
Allocates a int array of the requested size.- Parameters:
request- The requested size.- Returns:
- a new int array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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longArray
Allocates a long array of the requested size.- Parameters:
request- The requested size.- Returns:
- a new long array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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shortArray
Allocates a short array of the requested size.- Parameters:
request- The requested size.- Returns:
- a new short array.
- Throws:
AllocationRequestException- Thrown when the request exceeds the limit.- See Also:
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