Example usage for org.eclipse.jdt.internal.compiler.util Messages parser_corruptedFile

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.util Messages parser_corruptedFile.

Prototype

String parser_corruptedFile

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Usage

From source file:org.eclipse.jdt.internal.compiler.parser.Parser.java

License:Open Source License

protected static long[] readLongTable(String filename) throws java.io.IOException {

    //files are located at Parser.class directory

    InputStream stream = Parser.class.getResourceAsStream(filename);
    if (stream == null) {
        throw new java.io.IOException(Messages.bind(Messages.parser_missingFile, filename));
    }// w ww  . j av a  2s.com
    byte[] bytes = null;
    try {
        stream = new BufferedInputStream(stream);
        bytes = Util.getInputStreamAsByteArray(stream, -1);
    } finally {
        try {
            stream.close();
        } catch (IOException e) {
            // ignore
        }
    }

    //minimal integrity check (even size expected)
    int length = bytes.length;
    if (length % 8 != 0)
        throw new java.io.IOException(Messages.bind(Messages.parser_corruptedFile, filename));

    // convert bytes into longs
    long[] longs = new long[length / 8];
    int i = 0;
    int longIndex = 0;

    while (true) {
        longs[longIndex++] = (((long) (bytes[i++] & 0xFF)) << 56) + (((long) (bytes[i++] & 0xFF)) << 48)
                + (((long) (bytes[i++] & 0xFF)) << 40) + (((long) (bytes[i++] & 0xFF)) << 32)
                + (((long) (bytes[i++] & 0xFF)) << 24) + (((long) (bytes[i++] & 0xFF)) << 16)
                + (((long) (bytes[i++] & 0xFF)) << 8) + (bytes[i++] & 0xFF);

        if (i == length)
            break;
    }
    return longs;
}

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From source file:org.eclipse.jdt.internal.compiler.parser.Parser.java

License:Open Source License

protected static char[] readTable(String filename) throws java.io.IOException {

    //files are located at Parser.class directory

    InputStream stream = Parser.class.getResourceAsStream(filename);
    if (stream == null) {
        throw new java.io.IOException(Messages.bind(Messages.parser_missingFile, filename));
    }// w ww  .j  av a2  s .c o m
    byte[] bytes = null;
    try {
        stream = new BufferedInputStream(stream);
        bytes = Util.getInputStreamAsByteArray(stream, -1);
    } finally {
        try {
            stream.close();
        } catch (IOException e) {
            // ignore
        }
    }

    //minimal integrity check (even size expected)
    int length = bytes.length;
    if ((length & 1) != 0)
        throw new java.io.IOException(Messages.bind(Messages.parser_corruptedFile, filename));

    // convert bytes into chars
    char[] chars = new char[length / 2];
    int i = 0;
    int charIndex = 0;

    while (true) {
        chars[charIndex++] = (char) (((bytes[i++] & 0xFF) << 8) + (bytes[i++] & 0xFF));
        if (i == length)
            break;
    }
    return chars;
}

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