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Example 71 with TransformerException

use of javax.xml.transform.TransformerException in project robovm by robovm.

the class TransformerIdentityImpl method createResultContentHandler.

/**
   * Create a result ContentHandler from a Result object, based
   * on the current OutputProperties.
   *
   * @param outputTarget Where the transform result should go,
   * should not be null.
   *
   * @return A valid ContentHandler that will create the
   * result tree when it is fed SAX events.
   *
   * @throws TransformerException
   */
private void createResultContentHandler(Result outputTarget) throws TransformerException {
    if (outputTarget instanceof SAXResult) {
        SAXResult saxResult = (SAXResult) outputTarget;
        m_resultContentHandler = saxResult.getHandler();
        m_resultLexicalHandler = saxResult.getLexicalHandler();
        if (m_resultContentHandler instanceof Serializer) {
            // Dubious but needed, I think.
            m_serializer = (Serializer) m_resultContentHandler;
        }
    } else if (outputTarget instanceof DOMResult) {
        DOMResult domResult = (DOMResult) outputTarget;
        Node outputNode = domResult.getNode();
        Node nextSibling = domResult.getNextSibling();
        Document doc;
        short type;
        if (null != outputNode) {
            type = outputNode.getNodeType();
            doc = (Node.DOCUMENT_NODE == type) ? (Document) outputNode : outputNode.getOwnerDocument();
        } else {
            try {
                DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
                dbf.setNamespaceAware(true);
                if (m_isSecureProcessing) {
                    try {
                        dbf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
                    } catch (ParserConfigurationException pce) {
                    }
                }
                DocumentBuilder db = dbf.newDocumentBuilder();
                doc = db.newDocument();
            } catch (ParserConfigurationException pce) {
                throw new TransformerException(pce);
            }
            outputNode = doc;
            type = outputNode.getNodeType();
            ((DOMResult) outputTarget).setNode(outputNode);
        }
        DOMBuilder domBuilder = (Node.DOCUMENT_FRAGMENT_NODE == type) ? new DOMBuilder(doc, (DocumentFragment) outputNode) : new DOMBuilder(doc, outputNode);
        if (nextSibling != null)
            domBuilder.setNextSibling(nextSibling);
        m_resultContentHandler = domBuilder;
        m_resultLexicalHandler = domBuilder;
    } else if (outputTarget instanceof StreamResult) {
        StreamResult sresult = (StreamResult) outputTarget;
        try {
            Serializer serializer = SerializerFactory.getSerializer(m_outputFormat.getProperties());
            m_serializer = serializer;
            if (null != sresult.getWriter())
                serializer.setWriter(sresult.getWriter());
            else if (null != sresult.getOutputStream())
                serializer.setOutputStream(sresult.getOutputStream());
            else if (null != sresult.getSystemId()) {
                String fileURL = sresult.getSystemId();
                if (fileURL.startsWith("file:///")) {
                    if (fileURL.substring(8).indexOf(":") > 0) {
                        fileURL = fileURL.substring(8);
                    } else {
                        fileURL = fileURL.substring(7);
                    }
                } else if (fileURL.startsWith("file:/")) {
                    if (fileURL.substring(6).indexOf(":") > 0) {
                        fileURL = fileURL.substring(6);
                    } else {
                        fileURL = fileURL.substring(5);
                    }
                }
                m_outputStream = new java.io.FileOutputStream(fileURL);
                serializer.setOutputStream(m_outputStream);
            } else
                //"No output specified!");
                throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_NO_OUTPUT_SPECIFIED, null));
            m_resultContentHandler = serializer.asContentHandler();
        } catch (IOException ioe) {
            throw new TransformerException(ioe);
        }
    } else {
        //"Can't transform to a Result of type "
        throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_CANNOT_TRANSFORM_TO_RESULT_TYPE, new Object[] { outputTarget.getClass().getName() }));
    // + outputTarget.getClass().getName()
    // + "!");
    }
    if (m_resultContentHandler instanceof DTDHandler)
        m_resultDTDHandler = (DTDHandler) m_resultContentHandler;
    if (m_resultContentHandler instanceof DeclHandler)
        m_resultDeclHandler = (DeclHandler) m_resultContentHandler;
    if (m_resultContentHandler instanceof LexicalHandler)
        m_resultLexicalHandler = (LexicalHandler) m_resultContentHandler;
}
Also used : DOMResult(javax.xml.transform.dom.DOMResult) DocumentBuilderFactory(javax.xml.parsers.DocumentBuilderFactory) StreamResult(javax.xml.transform.stream.StreamResult) Node(org.w3c.dom.Node) IOException(java.io.IOException) Document(org.w3c.dom.Document) DOMBuilder(org.apache.xml.utils.DOMBuilder) DeclHandler(org.xml.sax.ext.DeclHandler) SAXResult(javax.xml.transform.sax.SAXResult) DocumentBuilder(javax.xml.parsers.DocumentBuilder) LexicalHandler(org.xml.sax.ext.LexicalHandler) ParserConfigurationException(javax.xml.parsers.ParserConfigurationException) DTDHandler(org.xml.sax.DTDHandler) TransformerException(javax.xml.transform.TransformerException) Serializer(org.apache.xml.serializer.Serializer)

Example 72 with TransformerException

use of javax.xml.transform.TransformerException in project robovm by robovm.

the class TransformerIdentityImpl method transform.

/**
   * Process the source tree to the output result.
   * @param source  The input for the source tree.
   *
   * @param outputTarget The output target.
   *
   * @throws TransformerException If an unrecoverable error occurs
   * during the course of the transformation.
   */
public void transform(Source source, Result outputTarget) throws TransformerException {
    createResultContentHandler(outputTarget);
    /*
     * 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) {
            throw new TransformerException(e.getMessage());
        }
    }
    try {
        if (source instanceof DOMSource) {
            DOMSource dsource = (DOMSource) source;
            m_systemID = dsource.getSystemId();
            Node dNode = dsource.getNode();
            if (null != dNode) {
                try {
                    if (dNode.getNodeType() == Node.ATTRIBUTE_NODE)
                        this.startDocument();
                    try {
                        if (dNode.getNodeType() == Node.ATTRIBUTE_NODE) {
                            String data = dNode.getNodeValue();
                            char[] chars = data.toCharArray();
                            characters(chars, 0, chars.length);
                        } else {
                            org.apache.xml.serializer.TreeWalker walker;
                            walker = new org.apache.xml.serializer.TreeWalker(this, m_systemID);
                            walker.traverse(dNode);
                        }
                    } finally {
                        if (dNode.getNodeType() == Node.ATTRIBUTE_NODE)
                            this.endDocument();
                    }
                } catch (SAXException se) {
                    throw new TransformerException(se);
                }
                return;
            } else {
                String messageStr = XSLMessages.createMessage(XSLTErrorResources.ER_ILLEGAL_DOMSOURCE_INPUT, null);
                throw new IllegalArgumentException(messageStr);
            }
        }
        InputSource xmlSource = SAXSource.sourceToInputSource(source);
        if (null == xmlSource) {
            //"Can't transform a Source of type "
            throw new TransformerException(XSLMessages.createMessage(XSLTErrorResources.ER_CANNOT_TRANSFORM_SOURCE_TYPE, new Object[] { source.getClass().getName() }));
        //+ source.getClass().getName() + "!");
        }
        if (null != xmlSource.getSystemId())
            m_systemID = xmlSource.getSystemId();
        XMLReader reader = null;
        boolean managedReader = false;
        try {
            if (source instanceof SAXSource) {
                reader = ((SAXSource) source).getXMLReader();
            }
            if (null == reader) {
                try {
                    reader = XMLReaderManager.getInstance().getXMLReader();
                    managedReader = true;
                } catch (SAXException se) {
                    throw new TransformerException(se);
                }
            } else {
                try {
                    reader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
                } catch (org.xml.sax.SAXException se) {
                // We don't care.
                }
            }
            // Get the input content handler, which will handle the 
            // parse events and create the source tree. 
            ContentHandler inputHandler = this;
            reader.setContentHandler(inputHandler);
            if (inputHandler instanceof org.xml.sax.DTDHandler)
                reader.setDTDHandler((org.xml.sax.DTDHandler) inputHandler);
            try {
                if (inputHandler instanceof org.xml.sax.ext.LexicalHandler)
                    reader.setProperty("http://xml.org/sax/properties/lexical-handler", inputHandler);
                if (inputHandler instanceof org.xml.sax.ext.DeclHandler)
                    reader.setProperty("http://xml.org/sax/properties/declaration-handler", inputHandler);
            } catch (org.xml.sax.SAXException se) {
            }
            try {
                if (inputHandler instanceof org.xml.sax.ext.LexicalHandler)
                    reader.setProperty("http://xml.org/sax/handlers/LexicalHandler", inputHandler);
                if (inputHandler instanceof org.xml.sax.ext.DeclHandler)
                    reader.setProperty("http://xml.org/sax/handlers/DeclHandler", inputHandler);
            } catch (org.xml.sax.SAXNotRecognizedException snre) {
            }
            reader.parse(xmlSource);
        } 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();
            }
            throw new TransformerException(wre.getException());
        } catch (org.xml.sax.SAXException se) {
            throw new TransformerException(se);
        } catch (IOException ioe) {
            throw new TransformerException(ioe);
        } finally {
            if (managedReader) {
                XMLReaderManager.getInstance().releaseXMLReader(reader);
            }
        }
    } finally {
        if (null != m_outputStream) {
            try {
                m_outputStream.close();
            } catch (IOException ioe) {
            }
            m_outputStream = null;
        }
    }
}
Also used : DOMSource(javax.xml.transform.dom.DOMSource) InputSource(org.xml.sax.InputSource) DocumentBuilderFactory(javax.xml.parsers.DocumentBuilderFactory) Node(org.w3c.dom.Node) ContentHandler(org.xml.sax.ContentHandler) SAXException(org.xml.sax.SAXException) DeclHandler(org.xml.sax.ext.DeclHandler) LexicalHandler(org.xml.sax.ext.LexicalHandler) ParserConfigurationException(javax.xml.parsers.ParserConfigurationException) TransformerException(javax.xml.transform.TransformerException) XMLReader(org.xml.sax.XMLReader) StreamSource(javax.xml.transform.stream.StreamSource) IOException(java.io.IOException) SAXSource(javax.xml.transform.sax.SAXSource) DocumentBuilder(javax.xml.parsers.DocumentBuilder) SAXException(org.xml.sax.SAXException) DTDHandler(org.xml.sax.DTDHandler)

Example 73 with TransformerException

use of javax.xml.transform.TransformerException in project robovm by robovm.

the class TransformerIdentityImpl method startDocument.

/**
   * Receive notification of the beginning of the document.
   *
   * <p>By default, do nothing.  Application writers may override this
   * method in a subclass to take specific actions at the beginning
   * of a document (such as allocating the root node of a tree or
   * creating an output file).</p>
   *
   * @throws org.xml.sax.SAXException Any SAX exception, possibly
   *            wrapping another exception.
   * @see org.xml.sax.ContentHandler#startDocument
   *
   * @throws SAXException
   */
public void startDocument() throws SAXException {
    try {
        if (null == m_resultContentHandler)
            createResultContentHandler(m_result);
    } catch (TransformerException te) {
        throw new SAXException(te.getMessage(), te);
    }
    // Reset for multiple transforms with this transformer.
    m_flushedStartDoc = false;
    m_foundFirstElement = false;
}
Also used : TransformerException(javax.xml.transform.TransformerException) SAXException(org.xml.sax.SAXException)

Example 74 with TransformerException

use of javax.xml.transform.TransformerException in project robovm by robovm.

the class TransformerIdentityImpl method flushStartDoc.

protected final void flushStartDoc() throws SAXException {
    if (!m_flushedStartDoc) {
        if (m_resultContentHandler == null) {
            try {
                createResultContentHandler(m_result);
            } catch (TransformerException te) {
                throw new SAXException(te);
            }
        }
        m_resultContentHandler.startDocument();
        m_flushedStartDoc = true;
    }
}
Also used : TransformerException(javax.xml.transform.TransformerException) SAXException(org.xml.sax.SAXException)

Example 75 with TransformerException

use of javax.xml.transform.TransformerException in project robovm by robovm.

the class TransformerImpl method transformToRTF.

/**
   * Given a stylesheet element, create a result tree fragment from it's
   * contents.
   * @param templateParent The template element that holds the fragment.
   * @param dtmFrag The DTM to write the RTF into
   * @return the NodeHandle for the root node of the resulting RTF.
   *
   * @throws TransformerException
   * @xsl.usage advanced
   */
private int transformToRTF(ElemTemplateElement templateParent, DTM dtmFrag) throws TransformerException {
    XPathContext xctxt = m_xcontext;
    ContentHandler rtfHandler = dtmFrag.getContentHandler();
    // Obtain the ResultTreeFrag's root node.
    // NOTE: In SAX2RTFDTM, this value isn't available until after
    // the startDocument has been issued, so assignment has been moved
    // down a bit in the code.
    // not yet reliably = dtmFrag.getDocument();
    int resultFragment;
    // Save the current result tree handler.
    SerializationHandler savedRTreeHandler = this.m_serializationHandler;
    // And make a new handler for the RTF.
    ToSAXHandler h = new ToXMLSAXHandler();
    h.setContentHandler(rtfHandler);
    h.setTransformer(this);
    // Replace the old handler (which was already saved)
    m_serializationHandler = h;
    // use local variable for the current handler
    SerializationHandler rth = m_serializationHandler;
    try {
        rth.startDocument();
        // startDocument is "bottlenecked" in RTH. We need it acted upon immediately,
        // to set the DTM's state as in-progress, so that if the xsl:variable's body causes
        // further RTF activity we can keep that from bashing this DTM.
        rth.flushPending();
        try {
            // Do the transformation of the child elements.
            executeChildTemplates(templateParent, true);
            // Make sure everything is flushed!
            rth.flushPending();
            // Get the document ID. May not exist until the RTH has not only
            // received, but flushed, the startDocument, and may be invalid
            // again after the document has been closed (still debating that)
            // ... so waiting until just before the end seems simplest/safest. 
            resultFragment = dtmFrag.getDocument();
        } finally {
            rth.endDocument();
        }
    } catch (org.xml.sax.SAXException se) {
        throw new TransformerException(se);
    } finally {
        // Restore the previous result tree handler.
        this.m_serializationHandler = savedRTreeHandler;
    }
    return resultFragment;
}
Also used : ToSAXHandler(org.apache.xml.serializer.ToSAXHandler) SAXException(org.xml.sax.SAXException) SerializationHandler(org.apache.xml.serializer.SerializationHandler) XPathContext(org.apache.xpath.XPathContext) ContentHandler(org.xml.sax.ContentHandler) ToXMLSAXHandler(org.apache.xml.serializer.ToXMLSAXHandler) TransformerException(javax.xml.transform.TransformerException)

Aggregations

TransformerException (javax.xml.transform.TransformerException)808 Transformer (javax.xml.transform.Transformer)364 StreamResult (javax.xml.transform.stream.StreamResult)362 DOMSource (javax.xml.transform.dom.DOMSource)311 IOException (java.io.IOException)277 TransformerFactory (javax.xml.transform.TransformerFactory)184 Document (org.w3c.dom.Document)161 StringWriter (java.io.StringWriter)159 SAXException (org.xml.sax.SAXException)157 ParserConfigurationException (javax.xml.parsers.ParserConfigurationException)156 TransformerConfigurationException (javax.xml.transform.TransformerConfigurationException)131 Source (javax.xml.transform.Source)100 StreamSource (javax.xml.transform.stream.StreamSource)94 Element (org.w3c.dom.Element)91 DocumentBuilder (javax.xml.parsers.DocumentBuilder)83 File (java.io.File)74 Node (org.w3c.dom.Node)65 DocumentBuilderFactory (javax.xml.parsers.DocumentBuilderFactory)64 ByteArrayOutputStream (java.io.ByteArrayOutputStream)62 StringReader (java.io.StringReader)59