Examples with DTMManager org.apache.xml.dtm.DTMManager used on opensource projects

Example 1 with DTMManager

use of org.apache.xml.dtm.DTMManager in project j2objc by google.

the class VariableSafeAbsRef method execute.

/**
   * Dereference the variable, and return the reference value.  Note that lazy 
   * evaluation will occur.  If a variable within scope is not found, a warning 
   * will be sent to the error listener, and an empty nodeset will be returned.
   *
   *
   * @param xctxt The runtime execution context.
   *
   * @return The evaluated variable, or an empty nodeset if not found.
   *
   * @throws javax.xml.transform.TransformerException
   */
public XObject execute(XPathContext xctxt, boolean destructiveOK) throws javax.xml.transform.TransformerException {
    XNodeSet xns = (XNodeSet) super.execute(xctxt, destructiveOK);
    DTMManager dtmMgr = xctxt.getDTMManager();
    int context = xctxt.getContextNode();
    if (dtmMgr.getDTM(xns.getRoot()).getDocument() != dtmMgr.getDTM(context).getDocument()) {
        Expression expr = (Expression) xns.getContainedIter();
        xns = (XNodeSet) expr.asIterator(xctxt, context);
    }
    return xns;
}

Example 2 with DTMManager

use of org.apache.xml.dtm.DTMManager in project j2objc by google.

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();
    }
}

Example 3 with DTMManager

use of org.apache.xml.dtm.DTMManager 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();
    }
}

Example 4 with DTMManager

use of org.apache.xml.dtm.DTMManager in project robovm by robovm.

the class VariableSafeAbsRef method execute.

/**
   * Dereference the variable, and return the reference value.  Note that lazy 
   * evaluation will occur.  If a variable within scope is not found, a warning 
   * will be sent to the error listener, and an empty nodeset will be returned.
   *
   *
   * @param xctxt The runtime execution context.
   *
   * @return The evaluated variable, or an empty nodeset if not found.
   *
   * @throws javax.xml.transform.TransformerException
   */
public XObject execute(XPathContext xctxt, boolean destructiveOK) throws javax.xml.transform.TransformerException {
    XNodeSet xns = (XNodeSet) super.execute(xctxt, destructiveOK);
    DTMManager dtmMgr = xctxt.getDTMManager();
    int context = xctxt.getContextNode();
    if (dtmMgr.getDTM(xns.getRoot()).getDocument() != dtmMgr.getDTM(context).getDocument()) {
        Expression expr = (Expression) xns.getContainedIter();
        xns = (XNodeSet) expr.asIterator(xctxt, context);
    }
    return xns;
}