test/jdk/java/io/charStreams/LineSink.java
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
changeset 47216 71c04702a3d5
parent 5506 jdk/test/java/io/charStreams/LineSink.java@202f599c92aa
permissions -rw-r--r--
8187443: Forest Consolidation: Move files to unified layout Reviewed-by: darcy, ihse
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/*
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 * Copyright (c) 1997, 2000, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**/
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import java.io.*;
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class LineSink implements Runnable {
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    DataInputStream ui;
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    BufferedReader ti;
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    int count;
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    PrintWriter log;
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    public LineSink(InputStream us, BufferedReader ts,
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                    int count, PrintWriter log)
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        throws IOException
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        {
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            this(us, ts, log);
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            this.count = count;
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        }
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    public LineSink(InputStream us, BufferedReader ts, PrintWriter log)
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        throws IOException
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        {
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            ui = new DataInputStream(us);
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            ti = ts;
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            this.count = Integer.MAX_VALUE;
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            this.log = log;
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        }
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    private String readUTFLine() throws IOException {
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        String s;
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        try {
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            s = ui.readUTF();
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        }
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        catch (EOFException x) {
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            return null;
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        }
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        return s;
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    }
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    public void run() {
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        try {
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            for (int ln = 0; ln < count; ln++) {
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                String us = readUTFLine();
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                if (us == null) {
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                    if (count < Integer.MAX_VALUE)
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                        throw new RuntimeException("Premature EOF on UTF stream");
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                    log.println("EOF on UTF stream");
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                    break;
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                }
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                String ts = ti.readLine();
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                if (ts == null) {
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                    if (count < Integer.MAX_VALUE)
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                        throw new RuntimeException("Premature EOF on char stream");
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                    log.println("EOF on char stream");
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                    break;
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                }
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                if (us.length() != ts.length()) {
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                    log.println("Length mismatch: us = \""
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                                + us + "\", ts = \""
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                                + ts + "\"");
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                    throw new RuntimeException("Line " + ln +
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                                               ": Length mismatch: " +
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                                               us.length() + " " + ts.length());
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                }
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                for (int i = 0; i < us.length(); i++) {
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                    if (us.charAt(i) != ts.charAt(i))
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                        throw new RuntimeException("Line " + ln +
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                                                   ": Char mismatch: [" + i + "] " +
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                                                   Integer.toHexString(us.charAt(i)) +
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                                                   " " + Integer.toHexString(ts.charAt(i)));
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                }
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                log.println(ln + " " + ts.length());
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            }
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            if (readUTFLine() != null)
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                throw new RuntimeException("Expected EOF on UTF stream");
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            if (ti.readLine() != null)
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                throw new RuntimeException("Expected EOF on char stream");
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        } catch (IOException x) {
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            throw new RuntimeException("Unexpected IOException: " + x);
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        }
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    }
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}