UnicodeCommentExtraField (Apache Ant API)
Date: 2012-02-26

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## org.apache.tools.zip
Class UnicodeCommentExtraField

    java.lang.Object
      org.apache.tools.zip.AbstractUnicodeExtraField
          org.apache.tools.zip.UnicodeCommentExtraField

All Implemented Interfaces:
  ZipExtraField

    public class UnicodeCommentExtraField

extends AbstractUnicodeExtraField

Info-ZIP Unicode Comment Extra Field (0x6375):

Stores the UTF-8 version of the file comment as stored in the central directory header.

             Value         Size        Description
             -----         ----        -----------
      (UCom) 0x6375        Short       tag for this extra block type ("uc")
             TSize         Short       total data size for this block
             Version       1 byte      version of this extra field, currently 1
             ComCRC32      4 bytes     Comment Field CRC32 Checksum
             UnicodeCom    Variable    UTF-8 version of the entry comment

Field Summary
`static ZipShort` | `UCOM_ID`

Constructor Summary
`UnicodeCommentExtraField()`
`UnicodeCommentExtraField(java.lang.String comment, byte[] bytes)` Assemble as unicode comment extension from the comment given as text as well as the bytes actually written to the archive.
`UnicodeCommentExtraField(java.lang.String text, byte[] bytes, int off, int len)` Assemble as unicode comment extension from the name given as text as well as the encoded bytes actually written to the archive.

Method Summary
`ZipShort` | `getHeaderId()` The Header-ID.

Methods inherited from class org.apache.tools.zip.AbstractUnicodeExtraField
`getCentralDirectoryData, getCentralDirectoryLength, getLocalFileDataData, getLocalFileDataLength, getNameCRC32, getUnicodeName, parseFromLocalFileData, setNameCRC32, setUnicodeName`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### UCOM_ID

    public static final ZipShort UCOM_ID

Constructor Detail

### UnicodeCommentExtraField

    public UnicodeCommentExtraField()

### UnicodeCommentExtraField

    public UnicodeCommentExtraField(java.lang.String text,
                                    byte[] bytes,
                                    int off,
                                    int len)

  Assemble as unicode comment extension from the name given as text as well as the encoded bytes actually written to the archive.

  Parameters:
    `text` - The file name
    `bytes` - the bytes actually written to the archive
    `off` - The offset of the encoded comment in `bytes`.
    `len` - The length of the encoded comment or comment in `bytes`.

### UnicodeCommentExtraField

    public UnicodeCommentExtraField(java.lang.String comment,
                                    byte[] bytes)

  Assemble as unicode comment extension from the comment given as text as well as the bytes actually written to the archive.

  Parameters:
    `comment` - The file comment
    `bytes` - the bytes actually written to the archive

Method Detail

### getHeaderId

    public ZipShort getHeaderId()

  Description copied from interface: `ZipExtraField`
  The Header-ID.

  Returns:
    the header id

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