| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xerces" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999, International |
| * Business Machines, Inc., http://www.apache.org. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.xerces.readers; |
| |
| import org.apache.xerces.framework.XMLErrorReporter; |
| import org.apache.xerces.utils.ChunkyByteArray; |
| import org.apache.xerces.utils.StringPool; |
| |
| import java.io.IOException; |
| |
| /** |
| * |
| * @version |
| */ |
| final class UCSRecognizer extends XMLDeclRecognizer { |
| // |
| // |
| // |
| public XMLEntityHandler.EntityReader recognize(XMLEntityReaderFactory readerFactory, |
| XMLEntityHandler entityHandler, |
| XMLErrorReporter errorReporter, |
| boolean sendCharDataAsCharArray, |
| StringPool stringPool, |
| ChunkyByteArray data, |
| boolean xmlDecl, |
| boolean allowJavaEncodingName) throws Exception |
| { |
| XMLEntityHandler.EntityReader reader = null; |
| byte b0 = data.byteAt(0); |
| if (b0 == 0) { |
| int b1 = data.byteAt(1); |
| if (b1 == 0) { |
| if (data.byteAt(2) == 0 && data.byteAt(3) == '<') |
| reader = new UCSReader(entityHandler, errorReporter, sendCharDataAsCharArray, data, UCSReader.E_UCS4B, stringPool); |
| } else if (b1 == '<') { |
| if (data.byteAt(2) == 0 && data.byteAt(3) == '?') |
| reader = new UCSReader(entityHandler, errorReporter, sendCharDataAsCharArray, data, UCSReader.E_UCS2B_NOBOM, stringPool); |
| } |
| } else if (b0 == '<') { |
| int b1 = data.byteAt(1); |
| if (b1 == 0) { |
| int b2 = data.byteAt(2); |
| if (data.byteAt(3) == 0) { |
| if (b2 == 0) |
| reader = new UCSReader(entityHandler, errorReporter, sendCharDataAsCharArray, data, UCSReader.E_UCS4L, stringPool); |
| else if (b2 == '?') |
| reader = new UCSReader(entityHandler, errorReporter, sendCharDataAsCharArray, data, UCSReader.E_UCS2L_NOBOM, stringPool); |
| } |
| } |
| } else if (b0 == (byte)0xfe) { |
| if (data.byteAt(1) == (byte)0xff) |
| reader = new UCSReader(entityHandler, errorReporter, sendCharDataAsCharArray, data, UCSReader.E_UCS2B, stringPool); |
| } else if (b0 == (byte)0xff) { |
| if (data.byteAt(1) == (byte)0xfe) |
| reader = new UCSReader(entityHandler, errorReporter, sendCharDataAsCharArray, data, UCSReader.E_UCS2L, stringPool); |
| } |
| return reader; |
| } |
| } |