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JavaTM 2 Platform Std. Ed. v1.4.2 |
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SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.util.zip
Class ZipEntry
java.lang.Object java.util.zip.ZipEntry
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All Implemented Interfaces:
-
Cloneable
, java.util.zip.ZipConstants
-
Direct Known Subclasses:
-
JarEntry
This class is used to represent a ZIP file entry. 该类用来表示ZIP文件项。
Field Summary | |
static int |
CENATT |
static int |
CENATX |
static int |
CENCOM |
static int |
CENCRC |
static int |
CENDSK |
static int |
CENEXT |
static int |
CENFLG |
static int |
CENHDR |
static int |
CENHOW |
static int |
CENLEN |
static int |
CENNAM |
static int |
CENOFF |
static long |
CENSIG |
static int |
CENSIZ |
static int |
CENTIM |
static int |
CENVEM |
static int |
CENVER |
static int |
DEFLATED Compression method for compressed (deflated) entries. 压缩项(deflated)的压缩方法。 |
static int |
ENDCOM |
static int |
ENDHDR |
static int |
ENDOFF |
static long |
ENDSIG |
static int |
ENDSIZ |
static int |
ENDSUB |
static int |
ENDTOT |
static int |
EXTCRC |
static int |
EXTHDR |
static int |
EXTLEN |
static long |
EXTSIG |
static int |
EXTSIZ |
static int |
LOCCRC |
static int |
LOCEXT |
static int |
LOCFLG |
static int |
LOCHDR |
static int |
LOCHOW |
static int |
LOCLEN |
static int |
LOCNAM |
static long |
LOCSIG |
static int |
LOCSIZ |
static int |
LOCTIM |
static int |
LOCVER |
static int |
STORED Compression method for uncompressed entries. 解压项的压缩方法。 |
Constructor Summary | |
ZipEntry(String name) Creates a new zip entry with the specified name. 创建一个指定名称的zip项。 |
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ZipEntry(ZipEntry e) Creates a new zip entry with fields taken from the specified zip entry. 创建一个从指定zip项中取得域的zip项。 |
Method Summary | |
Object |
clone() Returns a copy of this entry. 返回项的拷贝。 |
String |
getComment() Returns the comment string for the entry, or null if none. 返回项的注释字符串,如果没有,返回null。 |
long |
getCompressedSize() Returns the size of the compressed entry data, or -1 if not known. 返回已压缩的项数据大小,如果未知,返回-1。 |
long |
getCrc() Returns the CRC-32 checksum of the uncompressed entry data, or -1 if not known. 返回未压缩的项数据CRC-32校验和,如果未知,返回-1。 |
byte[] |
getExtra() Returns the extra field data for the entry, or null if none. 返回项的额外字段数据,如果没有返回null。 |
int |
getMethod() Returns the compression method of the entry, or -1 if not specified. 返回项的压缩方法,如果未指定,返回-1。 |
String |
getName() Returns the name of the entry. 返回项的名称。 |
long |
getSize() Returns the uncompressed size of the entry data, or -1 if not known. 返回未压缩的项数据大小,如果未知,返回-1。 |
long |
getTime() Returns the modification time of the entry, or -1 if not specified. 返回项的修改时间,如果未指定,返回-1。 |
int |
hashCode() Returns the hash code value for this entry. 返回项的哈希码值。 |
boolean |
isDirectory() Returns true if this is a directory entry. 如果此为目录项,返回true。 |
void |
setComment(String comment) Sets the optional comment string for the entry. 设置项的可选注释字符串。 |
void |
setCompressedSize(long csize) Sets the size of the compressed entry data. 设置压缩的项数据大小。 |
void |
setCrc(long crc) Sets the CRC-32 checksum of the uncompressed entry data. 设置未压缩的项数据的CRC-32校验和。 |
void |
setExtra(byte[] extra) Sets the optional extra field data for the entry. 设置项的可选额外字段数据。 |
void |
setMethod(int method) Sets the compression method for the entry. 设置项的压缩方法。 |
void |
setSize(long size) Sets the uncompressed size of the entry data. 设置未压缩的项数据大小。 |
void |
setTime(long time) Sets the modification time of the entry. 设置项的修改时间。 |
String |
toString() Returns a string representation of the ZIP entry. 返回ZIP项的字符串形式。 |
Methods inherited from class java.lang.Object |
equals, finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
STORED
public static final int STORED
-
Compression method for uncompressed entries. 解压项的压缩方法。
-
See Also:
- Constant Field Values
DEFLATED
public static final int DEFLATED
-
Compression method for compressed (deflated) entries. 压缩项(deflated)的压缩方法。
-
See Also:
- Constant Field Values
LOCSIG
public static final long LOCSIG
- Constant Field Values
-
See Also:
EXTSIG
public static final long EXTSIG
- Constant Field Values
-
See Also:
CENSIG
public static final long CENSIG
- Constant Field Values
-
See Also:
ENDSIG
public static final long ENDSIG
- Constant Field Values
-
See Also:
LOCHDR
public static final int LOCHDR
- Constant Field Values
-
See Also:
EXTHDR
public static final int EXTHDR
- Constant Field Values
-
See Also:
CENHDR
public static final int CENHDR
- Constant Field Values
-
See Also:
ENDHDR
public static final int ENDHDR
- Constant Field Values
-
See Also:
LOCVER
public static final int LOCVER
- Constant Field Values
-
See Also:
LOCFLG
public static final int LOCFLG
- Constant Field Values
-
See Also:
LOCHOW
public static final int LOCHOW
- Constant Field Values
-
See Also:
LOCTIM
public static final int LOCTIM
- Constant Field Values
-
See Also:
LOCCRC
public static final int LOCCRC
- Constant Field Values
-
See Also:
LOCSIZ
public static final int LOCSIZ
- Constant Field Values
-
See Also:
LOCLEN
public static final int LOCLEN
- Constant Field Values
-
See Also:
LOCNAM
public static final int LOCNAM
- Constant Field Values
-
See Also:
LOCEXT
public static final int LOCEXT
- Constant Field Values
-
See Also:
EXTCRC
public static final int EXTCRC
- Constant Field Values
-
See Also:
EXTSIZ
public static final int EXTSIZ
- Constant Field Values
-
See Also:
EXTLEN
public static final int EXTLEN
- Constant Field Values
-
See Also:
CENVEM
public static final int CENVEM
- Constant Field Values
-
See Also:
CENVER
public static final int CENVER
- Constant Field Values
-
See Also:
CENFLG
public static final int CENFLG
- Constant Field Values
-
See Also:
CENHOW
public static final int CENHOW
- Constant Field Values
-
See Also:
CENTIM
public static final int CENTIM
- Constant Field Values
-
See Also:
CENCRC
public static final int CENCRC
- Constant Field Values
-
See Also:
CENSIZ
public static final int CENSIZ
- Constant Field Values
-
See Also:
CENLEN
public static final int CENLEN
- Constant Field Values
-
See Also:
CENNAM
public static final int CENNAM
- Constant Field Values
-
See Also:
CENEXT
public static final int CENEXT
- Constant Field Values
-
See Also:
CENCOM
public static final int CENCOM
- Constant Field Values
-
See Also:
CENDSK
public static final int CENDSK
- Constant Field Values
-
See Also:
CENATT
public static final int CENATT
- Constant Field Values
-
See Also:
CENATX
public static final int CENATX
- Constant Field Values
-
See Also:
CENOFF
public static final int CENOFF
- Constant Field Values
-
See Also:
ENDSUB
public static final int ENDSUB
- Constant Field Values
-
See Also:
ENDTOT
public static final int ENDTOT
- Constant Field Values
-
See Also:
ENDSIZ
public static final int ENDSIZ
- Constant Field Values
-
See Also:
ENDOFF
public static final int ENDOFF
- Constant Field Values
-
See Also:
ENDCOM
public static final int ENDCOM
- Constant Field Values
-
See Also:
Constructor Detail |
ZipEntry
public ZipEntry(String name)
- Creates a new zip entry with the specified name. 创建一个指定名称的zip项。
-
name
– the entry name 项名称 -
NullPointerException
– if the entry name is null 如果项名称为null抛出 -
IllegalArgumentException
– if the entry name is longer than 0xFFFF bytes 如果项名称长度大于0xFFFF字节数抛出
Parameters:
Throws:
ZipEntry
public ZipEntry(ZipEntry e)
- Creates a new zip entry with fields taken from the specified zip entry. 创建一个从指定zip项中取得域的zip项。
-
e
– a zip Entry object zip项对象
Parameters:
Method Detail |
getName
public String getName()
- Returns the name of the entry. 返回项的名称。
-
-
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Returns:
- the name of the entry 项的名称
setTime
public void setTime(long time)
- Sets the modification time of the entry. 设置项的修改时间。
-
-
-
Parameters:
-
time
– the entry modification time in number of milliseconds since the epoch 从纪元开始的毫秒数表示的项修改时间 -
getTime()
See Also:
-
getTime
public long getTime()
- Returns the modification time of the entry, or -1 if not specified. 返回项的修改时间,如果未指定,返回-1。
-
-
-
Returns:
- the modification time of the entry, or -1 if not specified 项的修改时间,如果未指定,返回-1
-
setTime(long)
See Also:
setSize
public void setSize(long size)
- Sets the uncompressed size of the entry data. 设置未压缩的项数据大小。
-
-
-
Parameters:
-
size
– the uncompressed size in bytes 未压缩的字节数 -
IllegalArgumentException
– if the specified size is less than 0 or greater than 0xFFFFFFFF bytes 如果指定的大小小于0或者大于0xFFFFFFFF字节时抛出 -
getSize()
Throws:
See Also:
-
getSize
public long getSize()
- Returns the uncompressed size of the entry data, or -1 if not known. 返回未压缩的项数据大小,如果未知,返回-1。
-
-
-
Returns:
- the uncompressed size of the entry data, or -1 if not known 未压缩的项数据大小,如果未知,返回-1
-
setSize(long)
See Also:
getCompressedSize
public long getCompressedSize()
- Returns the size of the compressed entry data, or -1 if not known. In the case of a stored entry, the compressed size will be the same as the uncompressed size of the entry. 返回已压缩的项数据大小,如果未知,返回-1。在存储项的情况下,压缩尺寸将和未压缩项相同。
-
-
-
Returns:
- the size of the compressed entry data, or -1 if not known 已压缩的项数据大小,如果未知,返回-1
-
setCompressedSize(long)
See Also:
setCompressedSize
public void setCompressedSize(long csize)
- Sets the size of the compressed entry data. 设置压缩的项数据大小。
-
-
-
Parameters:
-
csize
– the compressed size to set to 要设置的压缩尺寸 -
getCompressedSize()
See Also:
-
setCrc
public void setCrc(long crc)
- Sets the CRC-32 checksum of the uncompressed entry data. 设置未压缩的项数据的CRC-32校验和。
-
-
-
Parameters:
-
crc
– the CRC-32 value CRC-32值 -
IllegalArgumentException
– if the specified CRC-32 value is less than 0 or greater than 0xFFFFFFFF 如果指定的CRC-32值小于0或者大于0xFFFFFFFF时抛出 -
setCrc(long)
Throws:
See Also:
-
getCrc
public long getCrc()
- Returns the CRC-32 checksum of the uncompressed entry data, or -1 if not known. 返回未压缩的项数据CRC-32校验和,如果未知,返回-1。
-
-
-
Returns:
- the CRC-32 checksum of the uncompressed entry data, or -1 if not known 未压缩的项数据CRC-32校验和,如果未知,返回-1
-
getCrc()
See Also:
setMethod
public void setMethod(int method)
- Sets the compression method for the entry. 设置项的压缩方法。
-
-
-
Parameters:
-
method
– the compression method, either STORED or DEFLATED 压缩方法,STORED或DEFLATED -
IllegalArgumentException
– if the specified compression method is invalid 如果指定的压缩方法无效抛出 -
getMethod()
Throws:
See Also:
-
getMethod
public int getMethod()
- Returns the compression method of the entry, or -1 if not specified. 返回项的压缩方法,如果未指定,返回-1。
-
-
-
Returns:
- the compression method of the entry, or -1 if not specified 项的压缩方法,如果未指定,返回-1
-
setMethod(int)
See Also:
setExtra
public void setExtra(byte[] extra)
- Sets the optional extra field data for the entry. 设置项的可选额外字段数据。
-
-
-
Parameters:
-
extra
– the extra field data bytes 额外字段数据 -
IllegalArgumentException
– if the length of the specified extra field data is greater than 0xFFFF bytes 如果指定的额外字段数据长度大于0xFFFF字节抛出 -
getExtra()
Throws:
See Also:
-
getExtra
public byte[] getExtra()
- Returns the extra field data for the entry, or null if none. 返回项的额外字段数据,如果没有返回null。
-
-
-
Returns:
- the extra field data for the entry, or null if none 项的额外字段数据,如果没有返回null
-
setExtra(byte[])
See Also:
setComment
public void setComment(String comment)
- Sets the optional comment string for the entry. 设置项的可选注释字符串。
-
-
-
Parameters:
-
comment
– the comment string 注释字符串 -
IllegalArgumentException
– if the length of the specified comment string is greater than 0xFFFF bytes 如果指定的注释字符串长度大于0xFFFF字节抛出 -
getComment()
Throws:
See Also:
-
getComment
public String getComment()
- Returns the comment string for the entry, or null if none. 返回项的注释字符串,如果没有,返回null。
-
-
-
Returns:
- the comment string for the entry, or null if none 项的注释字符串,如果没有,返回null
-
setComment(String)
See Also:
isDirectory
public boolean isDirectory()
- Returns true if this is a directory entry. A directory entry is defined to be one whose name ends with a ‘/’. 如果此为目录项,返回true。目录项定义为名称以‘/’结尾。
-
-
-
Returns:
- true if this is a directory entry 如果此为目录项,返回true
toString
public String toString()
- Returns a string representation of the ZIP entry. 返回ZIP项的字符串形式。
-
-
Overrides:
-
toString
in classObject
-
-
-
Returns:
- a string representation of the object. 对象的字符串形式。
hashCode
public int hashCode()
- Returns the hash code value for this entry. 返回项的哈希码值。
-
-
Overrides:
-
hashCode
in classObject
-
-
-
Returns:
- a hash code value for this object. 对象的哈希码值。
-
Object.equals(java.lang.Object)
,
Hashtable
See Also:
clone
public Object clone()
- Returns a copy of this entry. 返回项的拷贝。
-
-
Overrides:
-
clone
in classObject
-
-
-
Returns:
- a clone of this instance. 实例的拷贝。
-
Cloneable
See Also:
|
JavaTM 2 Platform Std. Ed. v1.4.2 |
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES <script type=”text/javascript”> <!– if(window==top) { document.writeln(‘<A HREF=”../../../allclasses-noframe.html”><B>All Classes</B></A>’); } //–> </script> All Classes |
||||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
Submit a bug or feature
For further API reference and developer documentation, see
Java 2 SDK SE Developer Documentation
. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.
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