| /* |
| * 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.InputStreamReader; |
| import java.io.IOException; |
| import java.io.UnsupportedEncodingException; |
| |
| /** |
| * |
| * @version |
| */ |
| final class EBCDICRecognizer 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); |
| byte b1 = data.byteAt(1); |
| byte b2 = data.byteAt(2); |
| byte b3 = data.byteAt(3); |
| boolean debug = false; |
| |
| if (b0 != 0x4c || b1 != 0x6f || b2 != (byte)0xa7 || b3 != (byte)0x94) |
| return reader; |
| XMLEntityHandler.EntityReader declReader = readerFactory.createCharReader(entityHandler, errorReporter, sendCharDataAsCharArray, new InputStreamReader(data, "CP037"), stringPool); |
| int encoding = prescanXMLDeclOrTextDecl(declReader, xmlDecl); |
| if (encoding == -1) { |
| data.rewind(); |
| // REVISIT - The document is not well-formed. There is no encoding, yet the file is |
| // clearly not UTF8. |
| throw new UnsupportedEncodingException(null); |
| } |
| String enc = stringPool.orphanString(encoding).toUpperCase(); |
| if ("ISO-10646-UCS-2".equals(enc)) throw new UnsupportedEncodingException(enc); |
| if ("ISO-10646-UCS-4".equals(enc)) throw new UnsupportedEncodingException(enc); |
| if ("UTF-16".equals(enc)) throw new UnsupportedEncodingException(enc); |
| String javaencname = MIME2Java.convert(enc); |
| if (null == javaencname) { |
| if (allowJavaEncodingName) { |
| javaencname = enc; |
| } else { |
| throw new UnsupportedEncodingException(enc); |
| } |
| } |
| try { |
| data.rewind(); |
| reader = readerFactory.createCharReader(entityHandler, errorReporter, sendCharDataAsCharArray, new InputStreamReader(data, javaencname), stringPool); |
| } catch (UnsupportedEncodingException e) { |
| throw e; |
| } catch (Exception e) { |
| if( debug == true ) |
| e.printStackTrace(); // Internal Error |
| } |
| return reader; |
| } |
| } |