Examples with SAXSource javax.xml.transform.sax.SAXSource used on opensource projects

Example 76 with SAXSource

use of javax.xml.transform.sax.SAXSource in project camel by apache.

the class XsltBuilderTest method testXsltSource.

public void testXsltSource() throws Exception {
    File file = new File("src/test/resources/org/apache/camel/builder/xml/example.xsl");
    Source styleSheet = new SAXSource(new InputSource(new FileInputStream(file)));
    XsltBuilder builder = XsltBuilder.xslt(styleSheet);
    Exchange exchange = new DefaultExchange(context);
    exchange.getIn().setBody("<hello>world!</hello>");
    builder.process(exchange);
    assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?><goodbye>world!</goodbye>", exchange.getOut().getBody());
}

Example 77 with SAXSource

use of javax.xml.transform.sax.SAXSource in project camel by apache.

the class XsltBuilder method getSource.

/**
     * Converts the inbound body to a {@link Source}, if the body is <b>not</b> already a {@link Source}.
     * <p/>
     * This implementation will prefer to source in the following order:
     * <ul>
     *   <li>StAX - If StAX is allowed</li>
     *   <li>SAX - SAX as 2nd choice</li>
     *   <li>Stream - Stream as 3rd choice</li>
     *   <li>DOM - DOM as 4th choice</li>
     * </ul>
     */
protected Source getSource(Exchange exchange, Object body) {
    // body may already be a source
    if (body instanceof Source) {
        return (Source) body;
    }
    Source source = null;
    if (body != null) {
        if (isAllowStAX()) {
            // try StAX if enabled
            source = exchange.getContext().getTypeConverter().tryConvertTo(StAXSource.class, exchange, body);
        }
        if (source == null) {
            // then try SAX
            source = exchange.getContext().getTypeConverter().tryConvertTo(SAXSource.class, exchange, body);
            tryAddEntityResolver((SAXSource) source);
        }
        if (source == null) {
            // then try stream
            source = exchange.getContext().getTypeConverter().tryConvertTo(StreamSource.class, exchange, body);
        }
        if (source == null) {
            // and fallback to DOM
            source = exchange.getContext().getTypeConverter().tryConvertTo(DOMSource.class, exchange, body);
        }
        // now we just put the call of source converter at last
        if (source == null) {
            TypeConverter tc = exchange.getContext().getTypeConverterRegistry().lookup(Source.class, body.getClass());
            if (tc != null) {
                source = tc.convertTo(Source.class, exchange, body);
            }
        }
    }
    if (source == null) {
        if (isFailOnNullBody()) {
            throw new ExpectedBodyTypeException(exchange, Source.class);
        } else {
            try {
                source = converter.toDOMSource(converter.createDocument());
            } catch (ParserConfigurationException e) {
                throw new RuntimeTransformException(e);
            }
        }
    }
    return source;
}

Example 78 with SAXSource

use of javax.xml.transform.sax.SAXSource in project camel by apache.

the class XsltBuilder method process.

public void process(Exchange exchange) throws Exception {
    notNull(getTemplate(), "template");
    if (isDeleteOutputFile()) {
        // add on completion so we can delete the file when the Exchange is done
        String fileName = ExchangeHelper.getMandatoryHeader(exchange, Exchange.XSLT_FILE_NAME, String.class);
        exchange.addOnCompletion(new XsltBuilderOnCompletion(fileName));
    }
    Transformer transformer = getTransformer();
    configureTransformer(transformer, exchange);
    ResultHandler resultHandler = resultHandlerFactory.createResult(exchange);
    Result result = resultHandler.getResult();
    // let's copy the headers before we invoke the transform in case they modify them
    Message out = exchange.getOut();
    out.copyFrom(exchange.getIn());
    // the underlying input stream, which we need to close to avoid locking files or other resources
    InputStream is = null;
    try {
        Source source;
        // only convert to input stream if really needed
        if (isInputStreamNeeded(exchange)) {
            is = exchange.getIn().getBody(InputStream.class);
            source = getSource(exchange, is);
        } else {
            Object body = exchange.getIn().getBody();
            source = getSource(exchange, body);
        }
        if (source instanceof StAXSource) {
            // Always convert StAXSource to SAXSource.
            // * Xalan and Saxon-B don't support StAXSource.
            // * The JDK default implementation (XSLTC) doesn't handle CDATA events
            //   (see com.sun.org.apache.xalan.internal.xsltc.trax.StAXStream2SAX).
            // * Saxon-HE/PE/EE seem to support StAXSource, but don't advertise this
            //   officially (via TransformerFactory.getFeature(StAXSource.FEATURE))
            source = new StAX2SAXSource(((StAXSource) source).getXMLStreamReader());
        }
        LOG.trace("Using {} as source", source);
        transformer.transform(source, result);
        LOG.trace("Transform complete with result {}", result);
        resultHandler.setBody(out);
    } finally {
        releaseTransformer(transformer);
        // IOHelper can handle if is is null
        IOHelper.close(is);
    }
}

Example 79 with SAXSource

use of javax.xml.transform.sax.SAXSource in project robovm by robovm.

the class StylesheetPIHandler method processingInstruction.

/**
   * Handle the xml-stylesheet processing instruction.
   *
   * @param target The processing instruction target.
   * @param data The processing instruction data, or null if
   *             none is supplied.
   * @throws org.xml.sax.SAXException Any SAX exception, possibly
   *            wrapping another exception.
   * @see org.xml.sax.ContentHandler#processingInstruction
   * @see <a href="http://www.w3.org/TR/xml-stylesheet/">Associating Style Sheets with XML documents, Version 1.0</a>
   */
public void processingInstruction(String target, String data) throws org.xml.sax.SAXException {
    if (target.equals("xml-stylesheet")) {
        // CDATA #REQUIRED
        String href = null;
        // CDATA #REQUIRED
        String type = null;
        // CDATA #IMPLIED
        String title = null;
        // CDATA #IMPLIED
        String media = null;
        // CDATA #IMPLIED
        String charset = null;
        // (yes|no) "no"
        boolean alternate = false;
        StringTokenizer tokenizer = new StringTokenizer(data, " \t=\n", true);
        boolean lookedAhead = false;
        Source source = null;
        String token = "";
        while (tokenizer.hasMoreTokens()) {
            if (!lookedAhead)
                token = tokenizer.nextToken();
            else
                lookedAhead = false;
            if (tokenizer.hasMoreTokens() && (token.equals(" ") || token.equals("\t") || token.equals("=")))
                continue;
            String name = token;
            if (name.equals("type")) {
                token = tokenizer.nextToken();
                while (tokenizer.hasMoreTokens() && (token.equals(" ") || token.equals("\t") || token.equals("="))) token = tokenizer.nextToken();
                type = token.substring(1, token.length() - 1);
            } else if (name.equals("href")) {
                token = tokenizer.nextToken();
                while (tokenizer.hasMoreTokens() && (token.equals(" ") || token.equals("\t") || token.equals("="))) token = tokenizer.nextToken();
                href = token;
                if (tokenizer.hasMoreTokens()) {
                    token = tokenizer.nextToken();
                    // already have the next token. 
                    while (token.equals("=") && tokenizer.hasMoreTokens()) {
                        href = href + token + tokenizer.nextToken();
                        if (tokenizer.hasMoreTokens()) {
                            token = tokenizer.nextToken();
                            lookedAhead = true;
                        } else {
                            break;
                        }
                    }
                }
                href = href.substring(1, href.length() - 1);
                try {
                    // Add code to use a URIResolver. Patch from Dmitri Ilyin. 
                    if (m_uriResolver != null) {
                        source = m_uriResolver.resolve(href, m_baseID);
                    } else {
                        href = SystemIDResolver.getAbsoluteURI(href, m_baseID);
                        source = new SAXSource(new InputSource(href));
                    }
                } catch (TransformerException te) {
                    throw new org.xml.sax.SAXException(te);
                }
            } else if (name.equals("title")) {
                token = tokenizer.nextToken();
                while (tokenizer.hasMoreTokens() && (token.equals(" ") || token.equals("\t") || token.equals("="))) token = tokenizer.nextToken();
                title = token.substring(1, token.length() - 1);
            } else if (name.equals("media")) {
                token = tokenizer.nextToken();
                while (tokenizer.hasMoreTokens() && (token.equals(" ") || token.equals("\t") || token.equals("="))) token = tokenizer.nextToken();
                media = token.substring(1, token.length() - 1);
            } else if (name.equals("charset")) {
                token = tokenizer.nextToken();
                while (tokenizer.hasMoreTokens() && (token.equals(" ") || token.equals("\t") || token.equals("="))) token = tokenizer.nextToken();
                charset = token.substring(1, token.length() - 1);
            } else if (name.equals("alternate")) {
                token = tokenizer.nextToken();
                while (tokenizer.hasMoreTokens() && (token.equals(" ") || token.equals("\t") || token.equals("="))) token = tokenizer.nextToken();
                alternate = token.substring(1, token.length() - 1).equals("yes");
            }
        }
        if ((null != type) && (type.equals("text/xsl") || type.equals("text/xml") || type.equals("application/xml+xslt")) && (null != href)) {
            if (null != m_media) {
                if (null != media) {
                    if (!media.equals(m_media))
                        return;
                } else
                    return;
            }
            if (null != m_charset) {
                if (null != charset) {
                    if (!charset.equals(m_charset))
                        return;
                } else
                    return;
            }
            if (null != m_title) {
                if (null != title) {
                    if (!title.equals(m_title))
                        return;
                } else
                    return;
            }
            m_stylesheets.addElement(source);
        }
    }
}

Example 80 with SAXSource

use of javax.xml.transform.sax.SAXSource in project robovm by robovm.

the class TransformerImpl method transform.

/**
   * Process the source tree to SAX parse events.
   * @param source  The input for the source tree.
   * @param shouldRelease  Flag indicating whether to release DTMManager.
   *
   * @throws TransformerException
   */
public void transform(Source source, boolean shouldRelease) throws TransformerException {
    try {
        // here or in reset(). -is  
        if (getXPathContext().getNamespaceContext() == null) {
            getXPathContext().setNamespaceContext(getStylesheet());
        }
        String base = source.getSystemId();
        // If no systemID of the source, use the base of the stylesheet.
        if (null == base) {
            base = m_stylesheetRoot.getBaseIdentifier();
        }
        // As a last resort, use the current user dir.
        if (null == base) {
            String currentDir = "";
            try {
                currentDir = System.getProperty("user.dir");
            }// user.dir not accessible from applet
             catch (SecurityException se) {
            }
            if (currentDir.startsWith(java.io.File.separator))
                base = "file://" + currentDir;
            else
                base = "file:///" + currentDir;
            base = base + java.io.File.separatorChar + source.getClass().getName();
        }
        setBaseURLOfSource(base);
        DTMManager mgr = m_xcontext.getDTMManager();
        /*
       * According to JAXP1.2, new SAXSource()/StreamSource()
       * should create an empty input tree, with a default root node. 
       * new DOMSource()creates an empty document using DocumentBuilder.
       * newDocument(); Use DocumentBuilder.newDocument() for all 3 situations,
       * since there is no clear spec. how to create an empty tree when
       * both SAXSource() and StreamSource() are used.
       */
        if ((source instanceof StreamSource && source.getSystemId() == null && ((StreamSource) source).getInputStream() == null && ((StreamSource) source).getReader() == null) || (source instanceof SAXSource && ((SAXSource) source).getInputSource() == null && ((SAXSource) source).getXMLReader() == null) || (source instanceof DOMSource && ((DOMSource) source).getNode() == null)) {
            try {
                DocumentBuilderFactory builderF = DocumentBuilderFactory.newInstance();
                DocumentBuilder builder = builderF.newDocumentBuilder();
                String systemID = source.getSystemId();
                source = new DOMSource(builder.newDocument());
                // Copy system ID from original, empty Source to new Source
                if (systemID != null) {
                    source.setSystemId(systemID);
                }
            } catch (ParserConfigurationException e) {
                fatalError(e);
            }
        }
        DTM dtm = mgr.getDTM(source, false, this, true, true);
        dtm.setDocumentBaseURI(base);
        // %REVIEW% I have to think about this. -sb
        boolean hardDelete = true;
        try {
            // NOTE: This will work because this is _NOT_ a shared DTM, and thus has
            // only a single Document node. If it could ever be an RTF or other
            // shared DTM, look at dtm.getDocumentRoot(nodeHandle).
            this.transformNode(dtm.getDocument());
        } finally {
            if (shouldRelease)
                mgr.release(dtm, hardDelete);
        }
        // Kick off the parse.  When the ContentHandler gets 
        // the startDocument event, it will call transformNode( node ).
        // reader.parse( xmlSource );
        // This has to be done to catch exceptions thrown from 
        // the transform thread spawned by the STree handler.
        Exception e = getExceptionThrown();
        if (null != e) {
            if (e instanceof javax.xml.transform.TransformerException) {
                throw (javax.xml.transform.TransformerException) e;
            } else if (e instanceof org.apache.xml.utils.WrappedRuntimeException) {
                fatalError(((org.apache.xml.utils.WrappedRuntimeException) e).getException());
            } else {
                throw new javax.xml.transform.TransformerException(e);
            }
        } else if (null != m_serializationHandler) {
            m_serializationHandler.endDocument();
        }
    } catch (org.apache.xml.utils.WrappedRuntimeException wre) {
        Throwable throwable = wre.getException();
        while (throwable instanceof org.apache.xml.utils.WrappedRuntimeException) {
            throwable = ((org.apache.xml.utils.WrappedRuntimeException) throwable).getException();
        }
        fatalError(throwable);
    }// Patch attributed to David Eisenberg <david@catcode.com>
     catch (org.xml.sax.SAXParseException spe) {
        fatalError(spe);
    } catch (org.xml.sax.SAXException se) {
        m_errorHandler.fatalError(new TransformerException(se));
    } finally {
        m_hasTransformThreadErrorCatcher = false;
        // This looks to be redundent to the one done in TransformNode.
        reset();
    }
}