| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.axiom.util.stax.dialect; |
| |
| import java.io.InputStream; |
| import java.io.Reader; |
| |
| import javax.xml.stream.XMLInputFactory; |
| import javax.xml.stream.XMLStreamException; |
| import javax.xml.stream.XMLStreamReader; |
| import javax.xml.transform.Source; |
| |
| import org.apache.axiom.util.stax.wrapper.XMLInputFactoryWrapper; |
| |
| class BEAInputFactoryWrapper extends XMLInputFactoryWrapper { |
| public BEAInputFactoryWrapper(XMLInputFactory parent) { |
| super(parent); |
| } |
| |
| public XMLStreamReader createXMLStreamReader(InputStream stream) throws XMLStreamException { |
| return createXMLStreamReader(null, stream); |
| } |
| |
| public XMLStreamReader createXMLStreamReader(String systemId, InputStream stream) |
| throws XMLStreamException { |
| // The getEncoding() method of the stream reader produced by the reference implementation |
| // doesn't return complete information about the effective encoding. To work around this, |
| // we need to implement the detection algorithm described in Appendix F.1 of the |
| // XML 1.0 specifications (Fifth Edition). Note that the encoding determined here may be |
| // overridden by the XML encoding declaration, if present in the XML document. This |
| // information is already available from the stream reader, so that we don't need to |
| // reimplement this part. |
| // TODO: this needs some more unit testing! |
| EncodingDetectionHelper helper = new EncodingDetectionHelper(stream); |
| stream = helper.getInputStream(); |
| String encoding = helper.detectEncoding(); |
| XMLStreamReader reader; |
| if (systemId == null) { |
| reader = super.createXMLStreamReader(stream); |
| } else { |
| reader = super.createXMLStreamReader(systemId, stream); |
| } |
| return new BEAStreamReaderWrapper(reader, encoding); |
| } |
| |
| public XMLStreamReader createXMLStreamReader(InputStream stream, String encoding) |
| throws XMLStreamException { |
| return new BEAStreamReaderWrapper(super.createXMLStreamReader(stream, encoding), null); |
| } |
| |
| public XMLStreamReader createXMLStreamReader(Reader reader) throws XMLStreamException { |
| return new BEAStreamReaderWrapper(super.createXMLStreamReader(reader), null); |
| } |
| |
| public XMLStreamReader createXMLStreamReader(Source source) throws XMLStreamException { |
| return new BEAStreamReaderWrapper(super.createXMLStreamReader(source), null); |
| } |
| |
| public XMLStreamReader createXMLStreamReader(String systemId, Reader reader) |
| throws XMLStreamException { |
| return new BEAStreamReaderWrapper(super.createXMLStreamReader(systemId, reader), null); |
| } |
| } |