public abstract class FilterWriter extends Writer
FilterWriter本身提供了将所有请求传递给包含流的默认方法。
FilterWriter的FilterWriter应该覆盖其中一些方法,并且还可以提供其他方法和字段。
| Modifier | Constructor and Description |
|---|---|
protected |
FilterWriter(Writer out)
创建一个新的过滤的作者。
|
protected Writer out
protected FilterWriter(Writer out)
out - 提供底层流的Writer对象。
NullPointerException - 如果
out是
null
public void write(int c)
throws IOException
write在
Writer
c - int指定要写入的字符
IOException - 如果发生I / O错误
public void write(char[] cbuf,
int off,
int len)
throws IOException
write在
Writer
cbuf - 要写入的字符缓冲区
off - 从中开始读取字符的偏移量
len - 要写入的字符数
IOException - 如果发生I / O错误
public void write(String str, int off, int len) throws IOException
write在
Writer
str - 要写入的字符串
off - 从中开始读取字符的偏移量
len - 要写入的字符数
IOException - 如果发生I / O错误
public void flush()
throws IOException
flush在接口
Flushable
flush在
Writer类
IOException - 如果发生I / O错误
public void close()
throws IOException
Writer
close在接口
Closeable
close中的
AutoCloseable
close在
Writer类
IOException - 如果发生I / O错误
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