checkedoutputstream.java

来自「苏州大学java学习的ppt课件」· Java 代码 · 共 31 行

JAVA
31
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import java.io.*;public class CheckedOutputStream extends FilterOutputStream {    private Checksum cksum;    public CheckedOutputStream(OutputStream out, Checksum cksum) {        super(out);        this.cksum = cksum;    }    public void write(int b) throws IOException {        out.write(b);        cksum.update(b);    }    public void write(byte[] b) throws IOException {        out.write(b, 0, b.length);        cksum.update(b, 0, b.length);    }    public void write(byte[] b, int off, int len) throws IOException {        out.write(b, off, len);        cksum.update(b, off, len);    }    public Checksum getChecksum() {        return cksum;    }}

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