Edit C:\galaxie\jobs\GALAXIE__JOBs\backup\GALAXIE__PCKG\src\main\java\routines\system\UnicodeReader.java
package routines.system; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PushbackInputStream; import java.io.Reader; public class UnicodeReader extends Reader { private static final int BOM_SIZE = 4; private final InputStreamReader reader; /** * Construct UnicodeReader * @param in Input stream. * @param defaultEncoding Default encoding to be used if BOM is not found, * or <code>null</code> to use system default encoding. * @throws IOException If an I/O error occurs. */ public UnicodeReader(InputStream in, String defaultEncoding) throws IOException { byte bom[] = new byte[BOM_SIZE]; String encoding; int unread; PushbackInputStream pushbackStream = new PushbackInputStream(in, BOM_SIZE); int n = pushbackStream.read(bom, 0, bom.length); // Read ahead four bytes and check for BOM marks. if ((bom[0] == (byte) 0xEF) && (bom[1] == (byte) 0xBB) && (bom[2] == (byte) 0xBF)) { encoding = "UTF-8"; unread = n - 3; } else if ((bom[0] == (byte) 0xFE) && (bom[1] == (byte) 0xFF)) { encoding = "UTF-16BE"; unread = n - 2; } else if ((bom[0] == (byte) 0xFF) && (bom[1] == (byte) 0xFE) && (bom[2] == (byte) 0x00) && (bom[3] == (byte) 0x00)) { encoding = "UTF-32LE"; unread = n - 4; } else if ((bom[0] == (byte) 0xFF) && (bom[1] == (byte) 0xFE)) { encoding = "UTF-16LE"; unread = n - 2; } else if ((bom[0] == (byte) 0x00) && (bom[1] == (byte) 0x00) && (bom[2] == (byte) 0xFE) && (bom[3] == (byte) 0xFF)) { encoding = "UTF-32BE"; unread = n - 4; } else { encoding = defaultEncoding; unread = n; } // Unread bytes if necessary and skip BOM marks. if (unread > 0) { pushbackStream.unread(bom, (n - unread), unread); } else if (unread < -1) { pushbackStream.unread(bom, 0, 0); } // Use given encoding. if (encoding == null) { reader = new InputStreamReader(pushbackStream); } else { reader = new InputStreamReader(pushbackStream, encoding); } } public String getEncoding() { return reader.getEncoding(); } public int read(char[] cbuf, int off, int len) throws IOException { return reader.read(cbuf, off, len); } public void close() throws IOException { reader.close(); } }
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