see other bugs - URL exception

DefaultReaderFactory.java (text/plain), 10.96 KB, created by Chris Sanscrainte on 2004-04-29 17:33:00 UTC

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Description: see other bugs - URL exception

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Creator: Chris Sanscrainte

Created: 2004-04-29 17:33:00 UTC

Size: 10.96 KB

patch

obsolete

>/* > * 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 org.xml.sax.InputSource; >import java.io.InputStream; >import java.io.InputStreamReader; >import java.io.FileInputStream; >import java.io.BufferedInputStream; >import java.io.Reader; >import java.net.URL; >import java.util.Stack; > >public class DefaultReaderFactory implements XMLEntityReaderFactory { > // > // Constants > // > private static final boolean USE_CHAR_READER_FOR_UTF8 = false; > private static final boolean USE_BYTE_READER_FOR_UTF8 = true; > > // > // Instance variables > // > private boolean fSendCharDataAsCharArray = false; > private boolean fAllowJavaEncodingName = false; > private Stack fRecognizers = null; > > /** > * Constructor > */ > public DefaultReaderFactory() { > } > > /** > * Adds a recognizer. > * > * @param recognizer The XML recognizer to add. > */ > public void addRecognizer(XMLDeclRecognizer recognizer) { > if (fRecognizers == null) { > fRecognizers = new Stack(); > XMLDeclRecognizer.registerDefaultRecognizers(fRecognizers); > } > fRecognizers.push(recognizer); > } > > /** > * Set char data processing preference. > */ > public void setSendCharDataAsCharArray(boolean flag) { > fSendCharDataAsCharArray = flag; > } > > /** > * > */ > public void setAllowJavaEncodingName(boolean flag) { > fAllowJavaEncodingName = flag; > } > > /** > * > */ > public boolean getAllowJavaEncodingName() { > return fAllowJavaEncodingName; > } > > /** > * Create a reader > */ > public XMLEntityHandler.EntityReader createReader(XMLEntityHandler entityHandler, > XMLErrorReporter errorReporter, > InputSource source, > String systemId, boolean xmlDecl, StringPool stringPool) throws Exception { > > // create reader from source's character stream > if (source.getCharacterStream() != null) { > return createCharReader(entityHandler, errorReporter, fSendCharDataAsCharArray, source.getCharacterStream(), stringPool); > } > > // create reader from source's byte stream > if (source.getEncoding() != null && source.getByteStream() != null) { > java.io.Reader reader = new InputStreamReader(source.getByteStream(), source.getEncoding()); > return createCharReader(entityHandler, errorReporter, fSendCharDataAsCharArray, reader, stringPool); > } > > // create new input stream > InputStream is = source.getByteStream(); > if (is == null) { > > if( systemId.indexOf("://") != -1 ) { > URL url = new URL(systemId); > is = url.openStream(); > } else { > is = new BufferedInputStream(new FileInputStream(systemId)); > } > > } > > // create array and find recognizer > ChunkyByteArray data = new ChunkyByteArray(is); > if (fRecognizers == null) { > fRecognizers = new Stack(); > XMLDeclRecognizer.registerDefaultRecognizers(fRecognizers); > } > for (int i = fRecognizers.size() - 1; i >= 0; i--) { > XMLDeclRecognizer recognizer = (XMLDeclRecognizer)fRecognizers.elementAt(i); > XMLEntityHandler.EntityReader reader = recognizer.recognize(this, entityHandler, errorReporter, fSendCharDataAsCharArray, stringPool, data, xmlDecl, fAllowJavaEncodingName); > if (reader != null) { > return reader; > } > } > return createUTF8Reader(entityHandler, errorReporter, fSendCharDataAsCharArray, data, stringPool); > } > > /** > * Create an entity reader for a character stream. > * > * @param enityHandler The entity handler. > * @param errorReporter The error reporter. > * @param sendCharDataAsCharArray true if char data should be reported using > * char arrays instead of string handles. > * @param reader The character stream. > * @param stringPool The string pool. > * @return The reader that will process the character data. > * @exception java.lang.Exception > */ > public XMLEntityHandler.EntityReader createCharReader(XMLEntityHandler entityHandler, > XMLErrorReporter errorReporter, > boolean sendCharDataAsCharArray, > Reader reader, > StringPool stringPool) throws Exception > { > return new CharReader(entityHandler, errorReporter, sendCharDataAsCharArray, reader, stringPool); > } > > /** > * Create an entity reader for a byte stream encoded in UTF-8. > * > * @param enityHandler The entity handler. > * @param errorReporter The error reporter. > * @param sendCharDataAsCharArray true if char data should be reported using > * char arrays instead of string handles. > * @param data The byte stream. > * @param stringPool The string pool. > * @return The reader that will process the UTF-8 data. > * @exception java.lang.Exception > */ > public XMLEntityHandler.EntityReader createUTF8Reader(XMLEntityHandler entityHandler, > XMLErrorReporter errorReporter, > boolean sendCharDataAsCharArray, > InputStream data, > StringPool stringPool) throws Exception > { > XMLEntityHandler.EntityReader reader; > if (USE_CHAR_READER_FOR_UTF8) { > reader = new CharReader(entityHandler, errorReporter, sendCharDataAsCharArray, new InputStreamReader(data, "UTF8"), stringPool); > } else if (USE_BYTE_READER_FOR_UTF8) { > reader = new UTF8Reader(entityHandler, errorReporter, sendCharDataAsCharArray, data, stringPool); > } else { > reader = new UTF8CharReader(entityHandler, errorReporter, sendCharDataAsCharArray, data, stringPool); > } > return reader; > } > > /** > * Create an entity reader for data from a String. > * > * @param entityHandler The current entity handler. > * @param errorReporter The current error reporter. > * @param sendCharDataAsCharArray true if char data should be reported using > * char arrays instead of string handles. > * @param lineNumber The line number to return as our position. > * @param columnNumber The column number to return as our position. > * @param stringHandle The StringPool handle for the data to process. > * @param stringPool The string pool. > * @param addEnclosingSpaces If true, treat the data to process as if > * there were a leading and trailing space > * character enclosing the string data. > * @return The reader that will process the string data. > * @exception java.lang.Exception > */ > public XMLEntityHandler.EntityReader createStringReader(XMLEntityHandler entityHandler, > XMLErrorReporter errorReporter, > boolean sendCharDataAsCharArray, > int lineNumber, > int columnNumber, > int stringHandle, > StringPool stringPool, > boolean addEnclosingSpaces) throws Exception > { > return StringReader.createStringReader(entityHandler, errorReporter, sendCharDataAsCharArray, > lineNumber, columnNumber, stringHandle, stringPool, addEnclosingSpaces); > } >} View Attachment As Raw

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