Examples with XObject org.apache.xpath.objects.XObject used on opensource projects

Example 46 with XObject

use of org.apache.xpath.objects.XObject in project robovm by robovm.

the class Variable 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 {
    org.apache.xml.utils.PrefixResolver xprefixResolver = xctxt.getNamespaceContext();
    XObject result;
    // XObject result = xctxt.getVariable(m_qname);
    if (m_fixUpWasCalled) {
        if (m_isGlobal)
            result = xctxt.getVarStack().getGlobalVariable(xctxt, m_index, destructiveOK);
        else
            result = xctxt.getVarStack().getLocalVariable(xctxt, m_index, destructiveOK);
    } else {
        result = xctxt.getVarStack().getVariableOrParam(xctxt, m_qname);
    }
    if (null == result) {
        // This should now never happen...
        warn(xctxt, XPATHErrorResources.WG_ILLEGAL_VARIABLE_REFERENCE, //"VariableReference given for variable out "+
        new Object[] { m_qname.getLocalPart() });
        //      (new RuntimeException()).printStackTrace();
        //      error(xctxt, XPATHErrorResources.ER_COULDNOT_GET_VAR_NAMED,
        //            new Object[]{ m_qname.getLocalPart() });  //"Could not get variable named "+varName);
        result = new XNodeSet(xctxt.getDTMManager());
    }
    return result;
//    }
//    else
//    {
//      // Hack city... big time.  This is needed to evaluate xpaths from extensions, 
//      // pending some bright light going off in my head.  Some sort of callback?
//      synchronized(this)
//      {
//      	org.apache.xalan.templates.ElemVariable vvar= getElemVariable();
//      	if(null != vvar)
//      	{
//          m_index = vvar.getIndex();
//          m_isGlobal = vvar.getIsTopLevel();
//          m_fixUpWasCalled = true;
//          return execute(xctxt);
//      	}
//      }
//      throw new javax.xml.transform.TransformerException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_VAR_NOT_RESOLVABLE, new Object[]{m_qname.toString()})); //"Variable not resolvable: "+m_qname);
//    }
}

Example 47 with XObject

use of org.apache.xpath.objects.XObject in project fess by codelibs.

the class FessXpathTransformer method storeData.

@Override
protected void storeData(final ResponseData responseData, final ResultData resultData) {
    final DOMParser parser = getDomParser();
    try (final BufferedInputStream bis = new BufferedInputStream(responseData.getResponseBody())) {
        final byte[] bomBytes = new byte[UTF8_BOM_SIZE];
        bis.mark(UTF8_BOM_SIZE);
        final int size = bis.read(bomBytes);
        if (size < 3 || !isUtf8BomBytes(bomBytes)) {
            bis.reset();
        }
        final InputSource is = new InputSource(bis);
        if (responseData.getCharSet() != null) {
            is.setEncoding(responseData.getCharSet());
        }
        parser.parse(is);
    } catch (final Exception e) {
        throw new CrawlingAccessException("Could not parse " + responseData.getUrl(), e);
    }
    final Document document = parser.getDocument();
    if (!fessConfig.isCrawlerIgnoreMetaRobots()) {
        processMetaRobots(responseData, resultData, document);
    }
    final Map<String, Object> dataMap = new LinkedHashMap<>();
    for (final Map.Entry<String, String> entry : fieldRuleMap.entrySet()) {
        final String path = entry.getValue();
        try {
            final XObject xObj = getXPathAPI().eval(document, path);
            final int type = xObj.getType();
            switch(type) {
                case XObject.CLASS_BOOLEAN:
                    final boolean b = xObj.bool();
                    putResultDataBody(dataMap, entry.getKey(), Boolean.toString(b));
                    break;
                case XObject.CLASS_NUMBER:
                    final double d = xObj.num();
                    putResultDataBody(dataMap, entry.getKey(), Double.toString(d));
                    break;
                case XObject.CLASS_STRING:
                    final String str = xObj.str();
                    putResultDataBody(dataMap, entry.getKey(), str);
                    break;
                case XObject.CLASS_NULL:
                case XObject.CLASS_UNKNOWN:
                case XObject.CLASS_NODESET:
                case XObject.CLASS_RTREEFRAG:
                case XObject.CLASS_UNRESOLVEDVARIABLE:
                default:
                    final Node value = getXPathAPI().selectSingleNode(document, entry.getValue());
                    putResultDataBody(dataMap, entry.getKey(), value != null ? value.getTextContent() : null);
                    break;
            }
        } catch (final TransformerException e) {
            logger.warn("Could not parse a value of " + entry.getKey() + ":" + entry.getValue());
        }
    }
    putAdditionalData(dataMap, responseData, document);
    try {
        resultData.setData(SerializeUtil.fromObjectToBinary(dataMap));
    } catch (final Exception e) {
        throw new CrawlingAccessException("Could not serialize object: " + responseData.getUrl(), e);
    }
    resultData.setEncoding(charsetName);
}

Example 48 with XObject

use of org.apache.xpath.objects.XObject in project j2objc by google.

the class PredicatedNodeTest method acceptNode.

//=============== NodeFilter Implementation ===============
/**
   *  Test whether a specified node is visible in the logical view of a
   * TreeWalker or NodeIterator. This function will be called by the
   * implementation of TreeWalker and NodeIterator; it is not intended to
   * be called directly from user code.
   * @param n  The node to check to see if it passes the filter or not.
   * @return  a constant to determine whether the node is accepted,
   *   rejected, or skipped, as defined  above .
   */
public short acceptNode(int n) {
    XPathContext xctxt = m_lpi.getXPathContext();
    try {
        xctxt.pushCurrentNode(n);
        XObject score = execute(xctxt, n);
        // System.out.println("\n::acceptNode - score: "+score.num()+"::");
        if (score != NodeTest.SCORE_NONE) {
            if (getPredicateCount() > 0) {
                countProximityPosition(0);
                if (!executePredicates(n, xctxt))
                    return DTMIterator.FILTER_SKIP;
            }
            return DTMIterator.FILTER_ACCEPT;
        }
    } catch (javax.xml.transform.TransformerException se) {
        // TODO: Fix this.
        throw new RuntimeException(se.getMessage());
    } finally {
        xctxt.popCurrentNode();
    }
    return DTMIterator.FILTER_SKIP;
}

Example 49 with XObject

use of org.apache.xpath.objects.XObject in project j2objc by google.

the class FuncSystemProperty method execute.

/**
   * Execute the function.  The function must return
   * a valid object.
   * @param xctxt The current execution context.
   * @return A valid XObject.
   *
   * @throws javax.xml.transform.TransformerException
   */
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException {
    String fullName = m_arg0.execute(xctxt).str();
    int indexOfNSSep = fullName.indexOf(':');
    String result = null;
    String propName = "";
    // List of properties where the name of the
    // property argument is to be looked for.
    Properties xsltInfo = new Properties();
    loadPropertyFile(XSLT_PROPERTIES, xsltInfo);
    if (indexOfNSSep > 0) {
        String prefix = (indexOfNSSep >= 0) ? fullName.substring(0, indexOfNSSep) : "";
        String namespace;
        namespace = xctxt.getNamespaceContext().getNamespaceForPrefix(prefix);
        propName = (indexOfNSSep < 0) ? fullName : fullName.substring(indexOfNSSep + 1);
        if (namespace.startsWith("http://www.w3.org/XSL/Transform") || namespace.equals("http://www.w3.org/1999/XSL/Transform")) {
            result = xsltInfo.getProperty(propName);
            if (null == result) {
                warn(xctxt, XPATHErrorResources.WG_PROPERTY_NOT_SUPPORTED, //"XSL Property not supported: "+fullName);
                new Object[] { fullName });
                return XString.EMPTYSTRING;
            }
        } else {
            warn(xctxt, XPATHErrorResources.WG_DONT_DO_ANYTHING_WITH_NS, new Object[] { namespace, //"Don't currently do anything with namespace "+namespace+" in property: "+fullName);
            fullName });
            try {
                //if secure procession is enabled only handle required properties do not not map any valid system property
                if (!xctxt.isSecureProcessing()) {
                    result = System.getProperty(propName);
                } else {
                    warn(xctxt, XPATHErrorResources.WG_SECURITY_EXCEPTION, //"SecurityException when trying to access XSL system property: "+fullName);
                    new Object[] { fullName });
                }
                if (null == result) {
                    return XString.EMPTYSTRING;
                }
            } catch (SecurityException se) {
                warn(xctxt, XPATHErrorResources.WG_SECURITY_EXCEPTION, //"SecurityException when trying to access XSL system property: "+fullName);
                new Object[] { fullName });
                return XString.EMPTYSTRING;
            }
        }
    } else {
        try {
            //if secure procession is enabled only handle required properties do not not map any valid system property
            if (!xctxt.isSecureProcessing()) {
                result = System.getProperty(fullName);
            } else {
                warn(xctxt, XPATHErrorResources.WG_SECURITY_EXCEPTION, //"SecurityException when trying to access XSL system property: "+fullName);
                new Object[] { fullName });
            }
            if (null == result) {
                return XString.EMPTYSTRING;
            }
        } catch (SecurityException se) {
            warn(xctxt, XPATHErrorResources.WG_SECURITY_EXCEPTION, //"SecurityException when trying to access XSL system property: "+fullName);
            new Object[] { fullName });
            return XString.EMPTYSTRING;
        }
    }
    if (propName.equals("version") && result.length() > 0) {
        try {
            // Needs to return the version number of the spec we conform to.
            return new XString("1.0");
        } catch (Exception ex) {
            return new XString(result);
        }
    } else
        return new XString(result);
}

Example 50 with XObject

use of org.apache.xpath.objects.XObject in project j2objc by google.

the class JAXPVariableStack method getVariableOrParam.

public XObject getVariableOrParam(XPathContext xctxt, QName qname) throws TransformerException, IllegalArgumentException {
    if (qname == null) {
        //JAXP 1.3 spec says that if variable name is null then 
        // we need to through IllegalArgumentException
        String fmsg = XSLMessages.createXPATHMessage(XPATHErrorResources.ER_ARG_CANNOT_BE_NULL, new Object[] { "Variable qname" });
        throw new IllegalArgumentException(fmsg);
    }
    javax.xml.namespace.QName name = new javax.xml.namespace.QName(qname.getNamespace(), qname.getLocalPart());
    Object varValue = resolver.resolveVariable(name);
    if (varValue == null) {
        String fmsg = XSLMessages.createXPATHMessage(XPATHErrorResources.ER_RESOLVE_VARIABLE_RETURNS_NULL, new Object[] { name.toString() });
        throw new TransformerException(fmsg);
    }
    return XObject.create(varValue, xctxt);
}