| /* |
| * 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 "Xalan" 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, Lotus |
| * Development Corporation., http://www.lotus.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.xalan.processor; |
| |
| import org.apache.xml.utils.TreeWalker; |
| import org.apache.xalan.templates.Stylesheet; |
| import org.apache.xalan.res.XSLMessages; |
| import org.apache.xalan.res.XSLTErrorResources; |
| |
| import javax.xml.transform.TransformerException; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.XMLReader; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.EntityResolver; |
| |
| import java.net.URL; |
| |
| import java.io.IOException; |
| |
| import org.xml.sax.helpers.XMLReaderFactory; |
| |
| import javax.xml.transform.URIResolver; |
| import javax.xml.transform.stream.StreamSource; |
| import javax.xml.transform.dom.DOMSource; |
| import javax.xml.transform.sax.SAXSource; |
| import javax.xml.transform.stream.StreamSource; |
| import javax.xml.transform.Source; |
| import javax.xml.transform.TransformerException; |
| |
| import org.w3c.dom.Node; |
| |
| import org.apache.xml.utils.SystemIDResolver; |
| |
| /** |
| * TransformerFactory class for xsl:include markup. |
| * @see <a href="http://www.w3.org/TR/xslt#dtd">XSLT DTD</a> |
| * @see <a href="http://www.w3.org/TR/xslt#include">include in XSLT Specification</a> |
| */ |
| class ProcessorInclude extends XSLTElementProcessor |
| { |
| |
| /** |
| * The base URL of the XSL document. |
| * @serial |
| */ |
| private String m_href = null; |
| |
| /** |
| * Get the base identifier with which this stylesheet is associated. |
| * |
| * @return non-null reference to the href attribute string, or |
| * null if setHref has not been called. |
| */ |
| public String getHref() |
| { |
| return m_href; |
| } |
| |
| /** |
| * Get the base identifier with which this stylesheet is associated. |
| * |
| * @param baseIdent Should be a non-null reference to a valid URL string. |
| */ |
| public void setHref(String baseIdent) |
| { |
| // Validate? |
| m_href = baseIdent; |
| } |
| |
| /** |
| * Get the stylesheet type associated with an included stylesheet |
| * |
| * @return the type of the stylesheet |
| */ |
| protected int getStylesheetType() |
| { |
| return StylesheetHandler.STYPE_INCLUDE; |
| } |
| |
| /** |
| * Get the error number associated with this type of stylesheet including itself |
| * |
| * @return the appropriate error number |
| */ |
| protected int getStylesheetInclErr() |
| { |
| return XSLTErrorResources.ER_STYLESHEET_INCLUDES_ITSELF; |
| } |
| |
| /** |
| * Receive notification of the start of an xsl:include element. |
| * |
| * @param handler The calling StylesheetHandler/TemplatesBuilder. |
| * @param uri The Namespace URI, or the empty string if the |
| * element has no Namespace URI or if Namespace |
| * processing is not being performed. |
| * @param localName The local name (without prefix), or the |
| * empty string if Namespace processing is not being |
| * performed. |
| * @param rawName The raw XML 1.0 name (with prefix), or the |
| * empty string if raw names are not available. |
| * @param attributes The attributes attached to the element. If |
| * there are no attributes, it shall be an empty |
| * Attributes object. |
| * |
| * @throws org.xml.sax.SAXException Any SAX exception, possibly |
| * wrapping another exception. |
| */ |
| public void startElement( |
| StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes) |
| throws org.xml.sax.SAXException |
| { |
| |
| |
| setPropertiesFromAttributes(handler, rawName, attributes, this); |
| |
| String hrefUrl = getHref(); |
| |
| if (handler.importStackContains(hrefUrl)) |
| { |
| throw new org.xml.sax.SAXException( |
| XSLMessages.createMessage( |
| getStylesheetInclErr(), new Object[]{ hrefUrl })); //"(StylesheetHandler) "+hrefUrl+" is directly or indirectly importing itself!"); |
| } |
| |
| handler.pushImportURL(hrefUrl); |
| |
| int savedStylesheetType = handler.getStylesheetType(); |
| |
| handler.setStylesheetType(this.getStylesheetType()); |
| handler.pushNewNamespaceSupport(); |
| |
| try |
| { |
| parse(handler, uri, localName, rawName, attributes); |
| } |
| finally |
| { |
| handler.setStylesheetType(savedStylesheetType); |
| handler.popImportURL(); |
| handler.popNamespaceSupport(); |
| } |
| } |
| |
| /** |
| * Set off a new parse for an included or imported stylesheet. This will |
| * set the {@link StylesheetHandler} to a new state, and recurse in with |
| * a new set of parse events. Once this function returns, the state of |
| * the StylesheetHandler should be restored. |
| * |
| * @param handler non-null reference to current StylesheetHandler that is constructing the Templates. |
| * @param uri The Namespace URI, which should be the XSLT namespace. |
| * @param localName The local name (without prefix), which should be "include" or "import". |
| * @param rawName The qualified name (with prefix). |
| * @param attributes The list of attributes on the xsl:include or xsl:import element. |
| * |
| * @throws org.xml.sax.SAXException Any SAX exception, possibly |
| * wrapping another exception. |
| */ |
| protected void parse( |
| StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes) |
| throws org.xml.sax.SAXException |
| { |
| TransformerFactoryImpl processor = handler.getStylesheetProcessor(); |
| URIResolver uriresolver = processor.getURIResolver(); |
| |
| try |
| { |
| Source source = null; |
| |
| if (null != uriresolver) |
| { |
| source = uriresolver.resolve(getHref(), |
| handler.getBaseIdentifier()); |
| |
| if (null != source && source instanceof DOMSource) |
| { |
| Node node = ((DOMSource)source).getNode(); |
| TreeWalker walker = new TreeWalker(handler, new org.apache.xpath.DOM2Helper(), source.getSystemId()); |
| |
| try |
| { |
| walker.traverse(node); |
| } |
| catch(org.xml.sax.SAXException se) |
| { |
| throw new TransformerException(se); |
| } |
| return; |
| } |
| } |
| |
| if(null == source) |
| { |
| String absURL = SystemIDResolver.getAbsoluteURI(getHref(), |
| handler.getBaseIdentifier()); |
| |
| source = new StreamSource(absURL); |
| } |
| |
| XMLReader reader = null; |
| |
| if(source instanceof SAXSource) |
| { |
| SAXSource saxSource = (SAXSource)source; |
| reader = saxSource.getXMLReader(); // may be null |
| } |
| |
| boolean isUserReader = (reader != null); |
| |
| InputSource inputSource = SAXSource.sourceToInputSource(source); |
| |
| if (null == reader) |
| { |
| // Use JAXP1.1 ( if possible ) |
| try { |
| javax.xml.parsers.SAXParserFactory factory= |
| javax.xml.parsers.SAXParserFactory.newInstance(); |
| factory.setNamespaceAware( true ); |
| javax.xml.parsers.SAXParser jaxpParser= |
| factory.newSAXParser(); |
| reader=jaxpParser.getXMLReader(); |
| |
| } catch( javax.xml.parsers.ParserConfigurationException ex ) { |
| throw new org.xml.sax.SAXException( ex ); |
| } catch( javax.xml.parsers.FactoryConfigurationError ex1 ) { |
| throw new org.xml.sax.SAXException( ex1.toString() ); |
| } |
| catch( NoSuchMethodError ex2 ) |
| { |
| } |
| catch (AbstractMethodError ame){} |
| } |
| if (null == reader) |
| reader = XMLReaderFactory.createXMLReader(); |
| |
| if (null != reader) |
| { |
| reader.setContentHandler(handler); |
| try |
| { |
| if(!isUserReader) |
| reader.setFeature("http://apache.org/xml/features/validation/dynamic", |
| true); |
| } |
| catch(org.xml.sax.SAXException se) {} |
| |
| handler.pushBaseIndentifier(inputSource.getSystemId()); |
| |
| try |
| { |
| reader.parse(inputSource); |
| } |
| finally |
| { |
| handler.popBaseIndentifier(); |
| } |
| } |
| } |
| catch (IOException ioe) |
| { |
| handler.error(XSLTErrorResources.ER_IOEXCEPTION, |
| new Object[]{ getHref() }, ioe); |
| } |
| catch(TransformerException te) |
| { |
| handler.error(te.getMessage(), te); |
| } |
| } |
| } |