Java Code Examples for com.sun.org.apache.xerces.internal.impl.io.UCSReader#UCS2BE

The following examples show how to use com.sun.org.apache.xerces.internal.impl.io.UCSReader#UCS2BE . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: XMLEntityScanner.java    From jdk1.8-source-analysis with Apache License 2.0 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}
 
Example 2
Source File: XMLEntityScanner.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}
 
Example 3
Source File: XMLEntityScanner.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}
 
Example 4
Source File: XMLEntityScanner.java    From JDKSourceCode1.8 with MIT License 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}
 
Example 5
Source File: XMLEntityScanner.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}
 
Example 6
Source File: XMLEntityScanner.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}
 
Example 7
Source File: XMLEntityScanner.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}
 
Example 8
Source File: XMLEntityScanner.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}
 
Example 9
Source File: XMLEntityScanner.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}
 
Example 10
Source File: XMLEntityScanner.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}
 
Example 11
Source File: XMLEntityScanner.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Sets the encoding of the scanner. This method is used by the
 * scanners if the XMLDecl or TextDecl line contains an encoding
 * pseudo-attribute.
 * <p>
 * <strong>Note:</strong> The underlying character reader on the
 * current entity will be changed to accomodate the new encoding.
 * However, the new encoding is ignored if the current reader was
 * not constructed from an input stream (e.g. an external entity
 * that is resolved directly to the appropriate java.io.Reader
 * object).
 *
 * @param encoding The IANA encoding name of the new encoding.
 *
 * @throws IOException Thrown if the new encoding is not supported.
 *
 * @see com.sun.org.apache.xerces.internal.util.EncodingMap
 */
public final void setEncoding(String encoding) throws IOException {

    if (DEBUG_ENCODINGS) {
        System.out.println("$$$ setEncoding: "+encoding);
    }

    if (fCurrentEntity.stream != null) {
        // if the encoding is the same, don't change the reader and
        // re-use the original reader used by the OneCharReader
        // NOTE: Besides saving an object, this overcomes deficiencies
        //       in the UTF-16 reader supplied with the standard Java
        //       distribution (up to and including 1.3). The UTF-16
        //       decoder buffers 8K blocks even when only asked to read
        //       a single char! -Ac
        if (fCurrentEntity.encoding == null ||
                !fCurrentEntity.encoding.equals(encoding)) {
            // UTF-16 is a bit of a special case.  If the encoding is UTF-16,
            // and we know the endian-ness, we shouldn't change readers.
            // If it's ISO-10646-UCS-(2|4), then we'll have to deduce
            // the endian-ness from the encoding we presently have.
            if(fCurrentEntity.encoding != null && fCurrentEntity.encoding.startsWith("UTF-16")) {
                String ENCODING = encoding.toUpperCase(Locale.ENGLISH);
                if(ENCODING.equals("UTF-16")) return;
                if(ENCODING.equals("ISO-10646-UCS-4")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS4LE);
                    }
                    return;
                }
                if(ENCODING.equals("ISO-10646-UCS-2")) {
                    if(fCurrentEntity.encoding.equals("UTF-16BE")) {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2BE);
                    } else {
                        fCurrentEntity.reader = new UCSReader(fCurrentEntity.stream, UCSReader.UCS2LE);
                    }
                    return;
                }
            }
            // wrap a new reader around the input stream, changing
            // the encoding
            if (DEBUG_ENCODINGS) {
                System.out.println("$$$ creating new reader from stream: "+
                        fCurrentEntity.stream);
            }
            //fCurrentEntity.stream.reset();
            fCurrentEntity.reader = createReader(fCurrentEntity.stream, encoding, null);
            fCurrentEntity.encoding = encoding;

        } else {
            if (DEBUG_ENCODINGS)
                System.out.println("$$$ reusing old reader on stream");
        }
    }

}