[/url] [url=file:///F:/资料/文字资料/j2sdk-1_4_2-doc/docs/api/overview-summary.html]Overview
Class
JavaTM 2 Platform
Std. Ed. v1.4.2
SUMMARY: NESTED | FIELD | CONSTR | METHOD
DETAIL: FIELD | CONSTR | METHOD
java.util.zip
Class DeflaterOutputStreamjava.lang.Object
Direct Known Subclasses: GZIPOutputStream, ZipOutputStream public class DeflaterOutputStream extends FilterOutputStreamThis class implements an output stream filter for compressing data in the "deflate" compression format. It is also used as the basis for other types of compression filters, such as GZIPOutputStream. 该类为用“deflate”压缩格式压缩数据实现了一个输出流过滤器。它也用作其它类型的压缩过滤器如GZIPOutputStream的基础。
See Also: DeflaterField Summary
protected byte[]
Output buffer for writing compressed data. 写压缩数据的输出缓冲区。
protected Deflater
Compressor for this stream. 流的压缩器。
Fields inherited from class java.io.FilterOutputStream
Constructor Summary
DeflaterOutputStream(OutputStream out)
Creates a new output stream with a defaul compressor and buffer size. 用默认的压缩器和缓冲区大小创建一个新的输出流。
DeflaterOutputStream(OutputStream out, Deflater def)
Creates a new output stream with the specified compressor and a default buffer size. 用指定的压缩器和默认缓冲区大小创建一个新的输出流。
DeflaterOutputStream(OutputStream out, Deflater def, int size)
Creates a new output stream with the specified compressor and buffer size. 用指定的压缩器和缓冲区大小创建一个新的输出流。
Method Summary
void
close()
Writes remaining compressed data to the output stream and closes the underlying stream. 将剩余的已压缩数据写入到输出流且关闭底层流。
protected void
deflate()
Writes next block of compressed data to the output stream. 将下一块已压缩数据写入输出流。
void
finish()
Finishes writing compressed data to the output stream without closing the underlying stream. 完成已压缩数据对输出流的写入但不关闭底层流。
void
,]write(byte[] b, int off, int len)
Writes an array of bytes to the compressed output stream. 将字节数组写入压缩输出流。
void
write(int b)
Writes a byte to the compressed output stream. 将一字节写入压缩输出流。
Methods inherited from class java.io.FilterOutputStream
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Field Detail
defprotected Deflater def
Compressor for this stream. 流的压缩器。
bufprotected byte[] buf
Output buffer for writing compressed data. 写压缩数据的输出缓冲区。
Constructor Detail
DeflaterOutputStreampublic DeflaterOutputStream(OutputStream out,
Deflater def,
int size)
Creates a new output stream with the specified compressor and buffer size. 用指定的压缩器和缓冲区大小创建一个新的输出流。
Parameters: out - the output stream 输出流 def - the compressor ("deflater") 压缩器（“deflater”） size - the output buffer size 输出缓冲大小 Throws: IllegalArgumentException - if size is <= 0 如果大小<=0抛出DeflaterOutputStreampublic DeflaterOutputStream(OutputStream out,
Deflater def)
Creates a new output stream with the specified compressor and a default buffer size. 用指定的压缩器和默认缓冲区大小创建一个新的输出流。
Parameters: out - the output stream 输出流 def - the compressor ("deflater") 压缩器（“deflater”）DeflaterOutputStreampublic DeflaterOutputStream(OutputStream out)
Creates a new output stream with a defaul compressor and buffer size. 用默认的压缩器和缓冲区大小创建一个新的输出流。
Parameters: out - the output stream 输出流Method Detail
writepublic void write(int b)
throws IOException
Writes a byte to the compressed output stream. This method will block until the byte can be written. 将一字节写入压缩输出流。方法将阻塞直到该字节写入。
Overrides: write in class FilterOutputStreamParameters: b - the byte to be written 要写入的字节 Throws: IOException - if an I/O error has occurred 如果发生I/O错误抛出writepublic void write(byte[] b,
int off,
int len)
throws IOException
Writes an array of bytes to the compressed output stream. This method will block until all the bytes are written. 将字节数组写入压缩输出流。方法将阻塞直到所有字节写入。
Overrides: ,]write in class FilterOutputStreamParameters: b - the data to be written 要写入的数据 off - the start offset of the data 数据起始偏移 len - the length of the data 数据长度 Throws: IOException - if an I/O error has occurred 如果发生I/O错误抛出 See Also: FilterOutputStream.write(int)finishpublic void finish()
throws IOException
Finishes writing compressed data to the output stream without closing the underlying stream. Use this method when applying multiple filters in succession to the same output stream. 完成已压缩数据对输出流的写入但不关闭底层流。当在同一个输出流上连续应用多个过滤器时使用此方法。
Throws: IOException - if an I/O error has occurred 如果发生I/O错误抛出closepublic void close()
throws IOException
Writes remaining compressed data to the output stream and closes the underlying stream. 将剩余的已压缩数据写入到输出流且关闭底层流。
Overrides: close in class FilterOutputStreamThrows: IOException - if an I/O error has occurred 如果发生I/O错误抛出 See Also: FilterOutputStream.flush(), FilterOutputStream.outdeflateprotected void deflate()
throws IOException
Writes next block of compressed data to the output stream. 将下一块已压缩数据写入输出流。
Throws: IOException - if an I/O error has occurred 如果发生I/O错误抛出[/url][url=file:///F:/资料/文字资料/j2sdk-1_4_2-doc/docs/api/overview-summary.html]Overview
Class
JavaTM 2 Platform
Std. Ed. v1.4.2
SUMMARY: NESTED | FIELD | CONSTR | METHOD
DETAIL: FIELD | CONSTR | METHOD
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.
