// Copied from ICU4J 57.1
/**
 * ****************************************************************************** Copyright (C)
 * 2005-2008, International Business Machines Corporation and * others. All Rights Reserved. *
 * ******************************************************************************
 */
package com.ibm.icu.dev.test;

import java.io.IOException;
import java.io.Writer;

public final class TestLogWriter extends Writer {
    private TestLog log;
    private int level;
    private boolean closed;

    public TestLogWriter(TestLog log, int level) {
        this.log = log;
        this.level = level;
    }

    @Override
    public void write(char cbuf[], int off, int len) throws IOException {
        write(new String(cbuf, off, len));
    }

    @Override
    public void write(String str) throws IOException {
        if (closed) {
            throw new IOException("stream closed");
        }
        if ("\r\n".indexOf(str) != -1) {
            log.msg("", level, level == TestLog.ERR, true);
        } else {
            log.msg(str, level, level == TestLog.ERR, false);
        }
    }

    @Override
    public void flush() throws IOException {}

    @Override
    public void close() throws IOException {
        closed = true;
    }
}