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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() | |
| 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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