/** * Creates a parsed XPath expression with resolved namespaces. This is * useful when an expression will be reused in an application since it * makes it possible to compile the expression string into a more * efficient internal form and preresolve all namespace prefixes which * occur within the expression. * * @param expression The XPath expression string to be parsed. * @param resolver The <code>resolver</code> permits translation of * prefixes within the XPath expression into appropriate namespace URIs * . If this is specified as <code>null</code>, any namespace prefix * within the expression will result in <code>DOMException</code> * being thrown with the code <code>NAMESPACE_ERR</code>. * @return The compiled form of the XPath expression. * @exception XPathException * INVALID_EXPRESSION_ERR: Raised if the expression is not legal * according to the rules of the <code>XPathEvaluator</code>i * @exception DOMException * NAMESPACE_ERR: Raised if the expression contains namespace prefixes * which cannot be resolved by the specified * <code>XPathNSResolver</code>. * * @see org.w3c.dom.xpath.XPathEvaluator#createExpression(String, XPathNSResolver) */ public XPathExpression createExpression( String expression, XPathNSResolver resolver) throws XPathException, DOMException { try { // If the resolver is null, create a dummy prefix resolver XPath xpath = new XPath(expression,null, ((null == resolver) ? new DummyPrefixResolver() : ((PrefixResolver)resolver)), XPath.SELECT); return new XPathExpressionImpl(xpath, m_doc); } catch (TransformerException e) { // Need to pass back exception code DOMException.NAMESPACE_ERR also. // Error found in DOM Level 3 XPath Test Suite. if(e instanceof XPathStylesheetDOM3Exception) throw new DOMException(DOMException.NAMESPACE_ERR,e.getMessageAndLocation()); else throw new XPathException(XPathException.INVALID_EXPRESSION_ERR,e.getMessageAndLocation()); } }
/** * <b>DOM</b>: Implements * {@link org.w3c.dom.xpath.XPathEvaluator#evaluate(String,Node,XPathNSResolver,short,Object)}. */ public Object evaluate(String expression, Node contextNode, XPathNSResolver resolver, short type, Object result) throws XPathException, DOMException { XPathExpression xpath = createExpression(expression, resolver); return xpath.evaluate(contextNode, type, result); }
public Object evaluate(String expression, Node contextNode, XPathNSResolver resolver, short type, Object result) throws XPathException, DOMException { XPathExpression xpe = new DomXPathExpression(this, expression, resolver); return xpe.evaluate(contextNode, type, result); }
@Override public final native XPathExpression createExpression(String expression, XPathNSResolver resolver) throws XPathException, DOMException /*-{ try { return this.createExpression(expression, resolver); } catch (e) { @com.github.xose.xml.xpath.gwt.XPathExceptionUtil::raise(*)(e); } }-*/;
/** * <b>DOM</b>: Implements * {@link org.w3c.dom.xpath.XPathEvaluator#createExpression(String,XPathNSResolver)}. */ public XPathExpression createExpression(String expression, XPathNSResolver resolver) throws DOMException, XPathException { return new XPathExpr(expression, resolver); }
public XPathExpression createExpression(String expression, XPathNSResolver resolver) throws XPathException, DOMException { return new GnomeXPathExpression(this, expression, resolver); }
public XPathExpression createExpression(String expression, XPathNSResolver resolver) throws XPathException, DOMException { return new DomXPathExpression(this, expression, resolver); }
protected static AttributeValue<?> extractValue(String datatype, Object object) throws DataTypeException { // // Is there a data type? // Identifier datatypeId; if (datatype == null) { // // The data type is not specified, we will decipher it based // on its Java class. // if (object instanceof String) { datatypeId = XACML3.ID_DATATYPE_STRING; } else if (object instanceof Integer || object instanceof Long) { datatypeId = XACML3.ID_DATATYPE_INTEGER; } else if (object instanceof Boolean) { datatypeId = XACML3.ID_DATATYPE_BOOLEAN; } else if (object instanceof Double || object instanceof Float) { datatypeId = XACML3.ID_DATATYPE_DOUBLE; } else if (object instanceof Date || object instanceof Calendar || object instanceof ISO8601DateTime) { datatypeId = XACML3.ID_DATATYPE_DATETIME; } else if (object instanceof URI) { datatypeId = XACML3.ID_DATATYPE_ANYURI; } else if (object instanceof ISO8601Date) { datatypeId = XACML3.ID_DATATYPE_DATE; } else if (object instanceof ISO8601Time) { datatypeId = XACML3.ID_DATATYPE_TIME; } else if (object instanceof RFC2396DomainName) { datatypeId = XACML3.ID_DATATYPE_DNSNAME; } else if (object instanceof byte[] || object instanceof HexBinary) { datatypeId = XACML3.ID_DATATYPE_HEXBINARY; } else if (object instanceof Base64Binary) { datatypeId = XACML3.ID_DATATYPE_BASE64BINARY; } else if (object instanceof XPathDayTimeDuration) { datatypeId = XACML3.ID_DATATYPE_DAYTIMEDURATION; } else if (object instanceof IPAddress) { datatypeId = XACML3.ID_DATATYPE_IPADDRESS; } else if (object instanceof RFC822Name) { datatypeId = XACML3.ID_DATATYPE_RFC822NAME; } else if (object instanceof X500Principal) { datatypeId = XACML3.ID_DATATYPE_X500NAME; } else if (object instanceof XPathExpression || object instanceof Node) { datatypeId = XACML3.ID_DATATYPE_XPATHEXPRESSION; } else if (object instanceof XPathYearMonthDuration) { datatypeId = XACML3.ID_DATATYPE_YEARMONTHDURATION; } else { logger .warn("Cannot decipher java object, defaulting to String datatype. If this is not correct, you must specify the datatype in the annotation."); // // Default to a string // datatypeId = XACML3.ID_DATATYPE_STRING; } } else { datatypeId = new IdentifierImpl(datatype); } DataType<?> dataTypeExtended = getDataTypeFactory().getDataType(datatypeId); if (dataTypeExtended == null) { logger.error("DataType factory does not know datatype: " + datatype); return null; } return dataTypeExtended.createAttributeValue(object); }
protected static AttributeValue<?> extractValue(String datatype, Object object) throws DataTypeException { // // Is there a data type? // Identifier datatypeId; if (datatype == null) { // // The data type is not specified, we will decipher it based // on its Java class. // if (object instanceof String) { datatypeId = XACML3.ID_DATATYPE_STRING; } else if (object instanceof Integer || object instanceof Long) { datatypeId = XACML3.ID_DATATYPE_INTEGER; } else if (object instanceof Boolean) { datatypeId = XACML3.ID_DATATYPE_BOOLEAN; } else if (object instanceof Double || object instanceof Float) { datatypeId = XACML3.ID_DATATYPE_DOUBLE; } else if (object instanceof Date || object instanceof Calendar || object instanceof ISO8601DateTime) { datatypeId = XACML3.ID_DATATYPE_DATETIME; } else if (object instanceof URI) { datatypeId = XACML3.ID_DATATYPE_ANYURI; } else if (object instanceof ISO8601Date) { datatypeId = XACML3.ID_DATATYPE_DATE; } else if (object instanceof ISO8601Time) { datatypeId = XACML3.ID_DATATYPE_TIME; } else if (object instanceof RFC2396DomainName) { datatypeId = XACML3.ID_DATATYPE_DNSNAME; } else if (object instanceof byte[] || object instanceof HexBinary) { datatypeId = XACML3.ID_DATATYPE_HEXBINARY; } else if (object instanceof Base64Binary) { datatypeId = XACML3.ID_DATATYPE_BASE64BINARY; } else if (object instanceof XPathDayTimeDuration) { datatypeId = XACML3.ID_DATATYPE_DAYTIMEDURATION; } else if (object instanceof IPAddress) { datatypeId = XACML3.ID_DATATYPE_IPADDRESS; } else if (object instanceof RFC822Name) { datatypeId = XACML3.ID_DATATYPE_RFC822NAME; } else if (object instanceof X500Principal) { datatypeId = XACML3.ID_DATATYPE_X500NAME; } else if (object instanceof XPathExpression || object instanceof Node) { datatypeId = XACML3.ID_DATATYPE_XPATHEXPRESSION; } else if (object instanceof XPathYearMonthDuration) { datatypeId = XACML3.ID_DATATYPE_YEARMONTHDURATION; } else { logger.warn("Cannot decipher java object, defaulting to String datatype. If this is not correct, you must specify the datatype in the annotation."); // // Default to a string // datatypeId = XACML3.ID_DATATYPE_STRING; } } else { datatypeId = new IdentifierImpl(datatype); } DataType<?> dataTypeExtended = getDataTypeFactory().getDataType(datatypeId); if (dataTypeExtended == null) { logger.error("DataType factory does not know datatype: " + datatype); return null; } return dataTypeExtended.createAttributeValue(object); }
/** * Evaluates an XPath expression string and returns a result of the * specified type if possible. * * @param expression The XPath expression string to be parsed and * evaluated. * @param contextNode The <code>context</code> is context node for the * evaluation of this XPath expression. If the XPathEvaluator was * obtained by casting the <code>Document</code> then this must be * owned by the same document and must be a <code>Document</code>, * <code>Element</code>, <code>Attribute</code>, <code>Text</code>, * <code>CDATASection</code>, <code>Comment</code>, * <code>ProcessingInstruction</code>, or <code>XPathNamespace</code> * node. If the context node is a <code>Text</code> or a * <code>CDATASection</code>, then the context is interpreted as the * whole logical text node as seen by XPath, unless the node is empty * in which case it may not serve as the XPath context. * @param resolver The <code>resolver</code> permits translation of * prefixes within the XPath expression into appropriate namespace URIs * . If this is specified as <code>null</code>, any namespace prefix * within the expression will result in <code>DOMException</code> * being thrown with the code <code>NAMESPACE_ERR</code>. * @param type If a specific <code>type</code> is specified, then the * result will be coerced to return the specified type relying on * XPath type conversions and fail if the desired coercion is not * possible. This must be one of the type codes of * <code>XPathResult</code>. * @param result The <code>result</code> specifies a specific result * object which may be reused and returned by this method. If this is * specified as <code>null</code>or the implementation does not reuse * the specified result, a new result object will be constructed and * returned.For XPath 1.0 results, this object will be of type * <code>XPathResult</code>. * @return The result of the evaluation of the XPath expression.For XPath * 1.0 results, this object will be of type <code>XPathResult</code>. * @exception XPathException * INVALID_EXPRESSION_ERR: Raised if the expression is not legal * according to the rules of the <code>XPathEvaluator</code>i * <br>TYPE_ERR: Raised if the result cannot be converted to return the * specified type. * @exception DOMException * NAMESPACE_ERR: Raised if the expression contains namespace prefixes * which cannot be resolved by the specified * <code>XPathNSResolver</code>. * <br>WRONG_DOCUMENT_ERR: The Node is from a document that is not * supported by this XPathEvaluator. * <br>NOT_SUPPORTED_ERR: The Node is not a type permitted as an XPath * context node. * * @see org.w3c.dom.xpath.XPathEvaluator#evaluate(String, Node, XPathNSResolver, short, XPathResult) */ public Object evaluate( String expression, Node contextNode, XPathNSResolver resolver, short type, Object result) throws XPathException, DOMException { XPathExpression xpathExpression = createExpression(expression, resolver); return xpathExpression.evaluate(contextNode, type, result); }
