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java.lang.Objectorg.hibernate.type.descriptor.java.DataHelper
public class DataHelper
A help for dealing with BLOB and CLOB data
| Constructor Summary | |
|---|---|
DataHelper()
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| Method Summary | |
|---|---|
static byte[] |
extractBytes(InputStream inputStream)
Extract by bytes from the given stream. |
static byte[] |
extractBytes(InputStream inputStream,
long start,
int length)
Extract a portion of the bytes from the given stream. |
static String |
extractString(Clob value)
Extract the contents of the given Clob as a string. |
static String |
extractString(Reader reader)
Extract the contents of the given reader/stream as a string. |
static String |
extractString(Reader reader,
int lengthHint)
Extract the contents of the given reader/stream as a string. |
static boolean |
isNClob(Class type)
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static InputStream |
subStream(InputStream inputStream,
long start,
int length)
Extract a portion of the bytes from the given stream., wrapping them in a new stream. |
static Object |
subStream(Reader characterStream,
long start,
int length)
Extract a portion of a reader, wrapping the portion in a new reader. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public DataHelper()
| Method Detail |
|---|
public static boolean isNClob(Class type)
public static String extractString(Reader reader)
reader - The reader for the content
public static String extractString(Reader reader,
int lengthHint)
reader - The reader for the contentlengthHint - if the length is known in advance the implementation can be slightly more efficient
public static Object subStream(Reader characterStream,
long start,
int length)
characterStream - The reader for the contentstart - The start position/offset (0-based, per general stream/reader contracts).length - The amount to extract
public static byte[] extractBytes(InputStream inputStream)
inputStream - The stream of bytes.
byte[]
public static byte[] extractBytes(InputStream inputStream,
long start,
int length)
inputStream - The stream of bytes.start - The start position/offset (0-based, per general stream/reader contracts).length - The amount to extract
public static InputStream subStream(InputStream inputStream,
long start,
int length)
inputStream - The stream of bytes.start - The start position/offset (0-based, per general stream/reader contracts).length - The amount to extract
public static String extractString(Clob value)
reader - The reader for the content
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