用于判断字符结尾的输出流类

原创于 2004-07-23 13:46:00 发布 · 1.1k 阅读

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文章标签：

#character #byte #import #class #os #null

此博客展示了Java代码，定义了一个名为CharTerminatedOutputStream的类，继承自OutputStream。该类构造函数对终止字符数组进行非空和非零长度检查，还实现了write和flush方法，在flush时会写入终止字符数组并刷新输出流。

import java.io.IOException;
import java.io.OutputStream;

public class CharTerminatedOutputStream extends OutputStream {

private OutputStream out;

private byte[] match;

public CharTerminatedOutputStream(OutputStream os, byte[] terminator) {
    if (terminator == null) {
      throw new IllegalArgumentException("The terminating character array cannot be null.");
    }
    if (terminator.length == 0) {
      throw new IllegalArgumentException("The terminating character array cannot be of zero length.");
    }

    match = new byte[terminator.length];
    for (int i = 0; i < terminator.length; i++) {
      match[i] = terminator[i];
    }
    this.out = os;
}

public void write(int b) throws IOException {
out.write(b);
}

public void flush() throws IOException {
out.write(match);
out.flush();
}
}