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java.lang.Objectorg.apache.tools.zip.ExtraFieldUtils
public class ExtraFieldUtils
ZipExtraField related methods
| Nested Class Summary | |
|---|---|
static class |
ExtraFieldUtils.UnparseableExtraField
"enum" for the possible actions to take if the extra field cannot be parsed. |
| Constructor Summary | |
|---|---|
ExtraFieldUtils()
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| Method Summary | |
|---|---|
static ZipExtraField |
createExtraField(ZipShort headerId)
Create an instance of the appropriate ExtraField, falls back to UnrecognizedExtraField. |
static byte[] |
mergeCentralDirectoryData(ZipExtraField[] data)
Merges the central directory fields of the given ZipExtraFields. |
static byte[] |
mergeLocalFileDataData(ZipExtraField[] data)
Merges the local file data fields of the given ZipExtraFields. |
static ZipExtraField[] |
parse(byte[] data)
Split the array into ExtraFields and populate them with the given data as local file data, throwing an exception if the data cannot be parsed. |
static ZipExtraField[] |
parse(byte[] data,
boolean local)
Split the array into ExtraFields and populate them with the given data, throwing an exception if the data cannot be parsed. |
static ZipExtraField[] |
parse(byte[] data,
boolean local,
ExtraFieldUtils.UnparseableExtraField onUnparseableData)
Split the array into ExtraFields and populate them with the given data. |
static void |
register(java.lang.Class<?> c)
Register a ZipExtraField implementation. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ExtraFieldUtils()
| Method Detail |
|---|
public static void register(java.lang.Class<?> c)
The given class must have a no-arg constructor and implement
the ZipExtraField interface.
c - the class to register
public static ZipExtraField createExtraField(ZipShort headerId)
throws java.lang.InstantiationException,
java.lang.IllegalAccessException
UnrecognizedExtraField.
headerId - the header identifier
java.lang.InstantiationException - if unable to instantiate the class
java.lang.IllegalAccessException - if not allowed to instantiate the class
public static ZipExtraField[] parse(byte[] data)
throws java.util.zip.ZipException
data - an array of bytes as it appears in local file data
java.util.zip.ZipException - on error
public static ZipExtraField[] parse(byte[] data,
boolean local)
throws java.util.zip.ZipException
data - an array of byteslocal - whether data originates from the local file data
or the central directory
java.util.zip.ZipException - on error
public static ZipExtraField[] parse(byte[] data,
boolean local,
ExtraFieldUtils.UnparseableExtraField onUnparseableData)
throws java.util.zip.ZipException
data - an array of byteslocal - whether data originates from the local file data
or the central directoryonUnparseableData - what to do if the extra field data
cannot be parsed.
java.util.zip.ZipException - on errorpublic static byte[] mergeLocalFileDataData(ZipExtraField[] data)
data - an array of ExtraFiles
public static byte[] mergeCentralDirectoryData(ZipExtraField[] data)
data - an array of ExtraFields
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