Example usage for org.eclipse.jdt.internal.compiler.util Util getInputStreamAsByteArray

Introduction

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

Prototype

public static byte[] getInputStreamAsByteArray(InputStream stream, int length) throws IOException 

Source Link

Document

Returns the given input stream's contents as a byte array.

Usage

From source file:org.eclipse.che.jdt.core.ToolFactory.java

License:Open Source License

/**
 * Create a default classfile reader, able to expose the internal representation of a given classfile
 * according to the decoding flag used to initialize the reader.
 * Answer null if the input stream contents cannot be retrieved
 * <p/>/* ww  w . j  ava 2  s  .c  o m*/
 * The decoding flags are described in IClassFileReader.
 *
 * @param stream
 *         the given input stream to read
 * @param decodingFlag
 *         the flag used to decode the class file reader.
 * @return a default classfile reader
 * @see org.eclipse.jdt.core.util.IClassFileReader
 * @since 3.2
 */
public static IClassFileReader createDefaultClassFileReader(InputStream stream, int decodingFlag) {
    try {
        return new ClassFileReader(Util.getInputStreamAsByteArray(stream, -1), decodingFlag);
    } catch (ClassFormatException e) {
        return null;
    } catch (IOException e) {
        return null;
    }
}

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

License:Open Source License

protected static byte[] readByteTable(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));
    }/*from   ww  w.j a v  a  2s .com*/
    byte[] bytes = null;
    try {
        stream = new BufferedInputStream(stream);
        bytes = Util.getInputStreamAsByteArray(stream, -1);
    } finally {
        try {
            stream.close();
        } catch (IOException e) {
            // ignore
        }
    }
    return bytes;
}

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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));
    }//from   ww  w  . jav a2 s  . c om
    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  w  w .j  ava  2 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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