From 3fada6cef21c9b16467177d866df778203b51b4d Mon Sep 17 00:00:00 2001 From: Thomas Date: Thu, 5 Dec 2019 09:52:48 +0100 Subject: some code code-style modifications active code-quality checks! --- .../gv/egiz/eaaf/core/impl/utils/XPathUtils.java | 347 ++++++++++++--------- 1 file changed, 192 insertions(+), 155 deletions(-) (limited to 'eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/XPathUtils.java') diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/XPathUtils.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/XPathUtils.java index d6745c78..3adbe3f5 100644 --- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/XPathUtils.java +++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/utils/XPathUtils.java @@ -17,14 +17,11 @@ * works that you distribute must include a readable copy of the "NOTICE" text file. */ - - package at.gv.egiz.eaaf.core.impl.utils; import java.util.List; import java.util.Map; -import at.gv.egiz.eaaf.core.api.data.XMLNamespaceConstants; -import at.gv.egiz.eaaf.core.exceptions.XPathException; + import org.jaxen.JaxenException; import org.jaxen.NamespaceContext; import org.jaxen.Navigator; @@ -37,6 +34,9 @@ import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.w3c.dom.traversal.NodeIterator; +import at.gv.egiz.eaaf.core.api.data.XmlNamespaceConstants; +import at.gv.egiz.eaaf.core.exceptions.XPathException; + /** * Utility methods to evaluate XPath expressions on DOM nodes. * @@ -46,7 +46,8 @@ import org.w3c.dom.traversal.NodeIterator; public class XPathUtils { /** - * The XPath expression selecting all nodes under a given root (including the root node itself). + * The XPath expression selecting all nodes under a given root (including the + * root node itself). */ public static final String ALL_NODES_XPATH = "(.//. | .//@* | .//namespace::*)"; @@ -57,49 +58,50 @@ public class XPathUtils { static { final SimpleNamespaceContext ctx = new SimpleNamespaceContext(); - ctx.addNamespace(XMLNamespaceConstants.MOA_PREFIX, XMLNamespaceConstants.MOA_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.MOA_CONFIG_PREFIX, - XMLNamespaceConstants.MOA_CONFIG_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.MOA_ID_CONFIG_PREFIX, - XMLNamespaceConstants.MOA_ID_CONFIG_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.SL10_PREFIX, XMLNamespaceConstants.SL10_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.SL11_PREFIX, XMLNamespaceConstants.SL11_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.SL12_PREFIX, XMLNamespaceConstants.SL12_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.ECDSA_PREFIX, XMLNamespaceConstants.ECDSA_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.PD_PREFIX, XMLNamespaceConstants.PD_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.SAML_PREFIX, XMLNamespaceConstants.SAML_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.SAMLP_PREFIX, XMLNamespaceConstants.SAMLP_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.DSIG_PREFIX, XMLNamespaceConstants.DSIG_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.XSLT_PREFIX, XMLNamespaceConstants.XSLT_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.XSI_PREFIX, XMLNamespaceConstants.XSI_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.DSIG_FILTER2_PREFIX, - XMLNamespaceConstants.DSIG_FILTER2_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.DSIG_EC_PREFIX, XMLNamespaceConstants.DSIG_EC_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.MD_PREFIX, XMLNamespaceConstants.MD_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.MDP_PREFIX, XMLNamespaceConstants.MDP_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.MVV_PREFIX, XMLNamespaceConstants.MVV_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.STB_PREFIX, XMLNamespaceConstants.STB_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.WRR_PREFIX, XMLNamespaceConstants.WRR_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.STORK_PREFIX, XMLNamespaceConstants.STORK_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.STORKP_PREFIX, XMLNamespaceConstants.STORKP_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.SAML2_PREFIX, XMLNamespaceConstants.SAML2_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.SAML2P_PREFIX, XMLNamespaceConstants.SAML2P_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.XENC_PREFIX, XMLNamespaceConstants.XENC_NS_URI); - ctx.addNamespace(XMLNamespaceConstants.XADES_1_1_1_NS_PREFIX, - XMLNamespaceConstants.XADES_1_1_1_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.MOA_PREFIX, XmlNamespaceConstants.MOA_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.MOA_CONFIG_PREFIX, + XmlNamespaceConstants.MOA_CONFIG_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.MOA_ID_CONFIG_PREFIX, + XmlNamespaceConstants.MOA_ID_CONFIG_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.SL10_PREFIX, XmlNamespaceConstants.SL10_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.SL11_PREFIX, XmlNamespaceConstants.SL11_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.SL12_PREFIX, XmlNamespaceConstants.SL12_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.ECDSA_PREFIX, XmlNamespaceConstants.ECDSA_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.PD_PREFIX, XmlNamespaceConstants.PD_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.SAML_PREFIX, XmlNamespaceConstants.SAML_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.SAMLP_PREFIX, XmlNamespaceConstants.SAMLP_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.DSIG_PREFIX, XmlNamespaceConstants.DSIG_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.XSLT_PREFIX, XmlNamespaceConstants.XSLT_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.XSI_PREFIX, XmlNamespaceConstants.XSI_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.DSIG_FILTER2_PREFIX, + XmlNamespaceConstants.DSIG_FILTER2_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.DSIG_EC_PREFIX, XmlNamespaceConstants.DSIG_EC_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.MD_PREFIX, XmlNamespaceConstants.MD_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.MDP_PREFIX, XmlNamespaceConstants.MDP_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.MVV_PREFIX, XmlNamespaceConstants.MVV_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.STB_PREFIX, XmlNamespaceConstants.STB_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.WRR_PREFIX, XmlNamespaceConstants.WRR_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.STORK_PREFIX, XmlNamespaceConstants.STORK_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.STORKP_PREFIX, XmlNamespaceConstants.STORKP_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.SAML2_PREFIX, XmlNamespaceConstants.SAML2_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.SAML2P_PREFIX, XmlNamespaceConstants.SAML2P_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.XENC_PREFIX, XmlNamespaceConstants.XENC_NS_URI); + ctx.addNamespace(XmlNamespaceConstants.XADES_1_1_1_NS_PREFIX, + XmlNamespaceConstants.XADES_1_1_1_NS_URI); NS_CONTEXT = ctx; } /** - * Return a NodeIterator over the nodes matching the XPath expression. + * Return a NodeIterator over the nodes matching the XPath + * expression. * - *

- * All namespace URIs and prefixes declared in the Constants interface are used for - * resolving namespaces. - *

+ *

+ * All namespace URIs and prefixes declared in the Constants + * interface are used for resolving namespaces. + *

* * @param contextNode The root node from which to evaluate the XPath expression. - * @param exp The XPath expression to evaluate. + * @param exp The XPath expression to evaluate. * @return An iterator over the resulting nodes. * @throws XPathException An error occurred evaluating the XPath expression. */ @@ -110,12 +112,14 @@ public class XPathUtils { } /** - * Return a NodeIterator over the nodes matching the XPath expression. + * Return a NodeIterator over the nodes matching the XPath + * expression. * - * @param contextNode The root node from which to evaluate the XPath expression. - * @param namespaceElement An element from which to build the namespace mapping for evaluating the - * XPath expression - * @param exp The XPath expression to evaluate. + * @param contextNode The root node from which to evaluate the XPath + * expression. + * @param namespaceElement An element from which to build the namespace mapping + * for evaluating the XPath expression + * @param exp The XPath expression to evaluate. * @return An iterator over the resulting nodes. * @throws XPathException An error occurred evaluating the XPath expression. */ @@ -134,12 +138,15 @@ public class XPathUtils { } /** - * Return a NodeIterator over the nodes matching the XPath expression. + * Return a NodeIterator over the nodes matching the XPath + * expression. * - * @param contextNode The root node from which to evaluate the XPath expression. - * @param namespaceMapping A namespace prefix to namespace URI mapping (String to - * String) for evaluating the XPath expression. - * @param exp The XPath expression to evaluate. + * @param contextNode The root node from which to evaluate the XPath + * expression. + * @param namespaceMapping A namespace prefix to namespace URI mapping + * (String to String) for + * evaluating the XPath expression. + * @param exp The XPath expression to evaluate. * @return An iterator over the resulting nodes. * @throws XPathException An error occurred evaluating the XPath expression. */ @@ -152,12 +159,14 @@ public class XPathUtils { } /** - * Return a NodeIterator over the nodes matching the XPath expression. + * Return a NodeIterator over the nodes matching the XPath + * expression. * * @param contextNode The root node from which to evaluate the XPath expression. - * @param nsContext The NamespaceContext for resolving namespace prefixes to - * namespace URIs for evaluating the XPath expression. - * @param exp The XPath expression to evaluate. + * @param nsContext The NamespaceContext for resolving namespace + * prefixes to namespace URIs for evaluating the XPath + * expression. + * @param exp The XPath expression to evaluate. * @return An iterator over the resulting nodes. * @throws XPathException An error occurred evaluating the XPath expression. */ @@ -179,13 +188,15 @@ public class XPathUtils { } /** - * Return a NodeList of all the nodes matching the XPath expression. - *

- * All namespace URIs and prefixes declared in the Constants interface are used for - * resolving namespaces. - *

+ * Return a NodeList of all the nodes matching the XPath + * expression. + *

+ * All namespace URIs and prefixes declared in the Constants + * interface are used for resolving namespaces. + *

+ * * @param contextNode The root node from which to evaluate the XPath expression. - * @param exp The XPath expression to evaluate. + * @param exp The XPath expression to evaluate. * @return A NodeList containing the matching nodes. * @throws XPathException An error occurred evaluating the XPath expression. */ @@ -196,12 +207,14 @@ public class XPathUtils { } /** - * Return a NodeList of all the nodes matching the XPath expression. + * Return a NodeList of all the nodes matching the XPath + * expression. * - * @param contextNode The root node from which to evaluate the XPath expression. - * @param namespaceElement An element from which to build the namespace mapping for evaluating the - * XPath expression - * @param exp The XPath expression to evaluate. + * @param contextNode The root node from which to evaluate the XPath + * expression. + * @param namespaceElement An element from which to build the namespace mapping + * for evaluating the XPath expression + * @param exp The XPath expression to evaluate. * @return A NodeList containing the matching nodes. * @throws XPathException An error occurred evaluating the XPath expression. */ @@ -221,12 +234,15 @@ public class XPathUtils { } /** - * Return a NodeList of all the nodes matching the XPath expression. + * Return a NodeList of all the nodes matching the XPath + * expression. * - * @param contextNode The root node from which to evaluate the XPath expression. - * @param namespaceMapping A namespace prefix to namespace URI mapping (String to - * String) for evaluating the XPath expression. - * @param exp The XPath expression to evaluate. + * @param contextNode The root node from which to evaluate the XPath + * expression. + * @param namespaceMapping A namespace prefix to namespace URI mapping + * (String to String) for + * evaluating the XPath expression. + * @param exp The XPath expression to evaluate. * @return A NodeList containing the matching nodes. * @throws XPathException An error occurred evaluating the XPath expression. */ @@ -239,12 +255,14 @@ public class XPathUtils { } /** - * Return a NodeList of all the nodes matching the XPath expression. + * Return a NodeList of all the nodes matching the XPath + * expression. * * @param contextNode The root node from which to evaluate the XPath expression. - * @param nsContext The NamespaceContext for resolving namespace prefixes to - * namespace URIs for evaluating the XPath expression. - * @param exp The XPath expression to evaluate. + * @param nsContext The NamespaceContext for resolving namespace + * prefixes to namespace URIs for evaluating the XPath + * expression. + * @param exp The XPath expression to evaluate. * @return A NodeList containing the matching nodes. * @throws XPathException An error occurred evaluating the XPath expression. */ @@ -265,14 +283,15 @@ public class XPathUtils { /** * Select the first node matching an XPath expression. - *

- * All namespace URIs and prefixes declared in the Constants interface are used for - * resolving namespaces. - *

+ *

+ * All namespace URIs and prefixes declared in the Constants + * interface are used for resolving namespaces. + *

+ * * @param contextNode The root node from which to evaluate the XPath expression. - * @param exp The XPath expression to evaluate. - * @return Node The first node matching the XPath expression, or null, if no node - * matched. + * @param exp The XPath expression to evaluate. + * @return Node The first node matching the XPath expression, or + * null, if no node matched. * @throws XPathException An error occurred evaluating the XPath expression. */ public static Node selectSingleNode(final Node contextNode, final String exp) @@ -284,12 +303,13 @@ public class XPathUtils { /** * Select the first node matching an XPath expression. * - * @param contextNode The root node from which to evaluate the XPath expression. - * @param namespaceElement An element from which to build the namespace mapping for evaluating the - * XPath expression - * @param exp The XPath expression to evaluate. - * @return Node The first node matching the XPath expression, or null, if no node - * matched. + * @param contextNode The root node from which to evaluate the XPath + * expression. + * @param namespaceElement An element from which to build the namespace mapping + * for evaluating the XPath expression + * @param exp The XPath expression to evaluate. + * @return Node The first node matching the XPath expression, or + * null, if no node matched. * @throws XPathException An error occurred evaluating the XPath expression. */ public static Node selectSingleNode(final Node contextNode, final Element namespaceElement, @@ -309,12 +329,14 @@ public class XPathUtils { /** * Select the first node matching an XPath expression. * - * @param contextNode The root node from which to evaluate the XPath expression. - * @param namespaceMapping A namespace prefix to namespace URI mapping (String to - * String) for evaluating the XPath expression. - * @param exp The XPath expression to evaluate. - * @return Node The first node matching the XPath expression, or null, if no node - * matched. + * @param contextNode The root node from which to evaluate the XPath + * expression. + * @param namespaceMapping A namespace prefix to namespace URI mapping + * (String to String) for + * evaluating the XPath expression. + * @param exp The XPath expression to evaluate. + * @return Node The first node matching the XPath expression, or + * null, if no node matched. * @throws XPathException An error occurred evaluating the XPath expression. */ public static Node selectSingleNode(final Node contextNode, final Map namespaceMapping, @@ -329,11 +351,12 @@ public class XPathUtils { * Select the first node matching an XPath expression. * * @param contextNode The root node from which to evaluate the XPath expression. - * @param nsContext The NamespaceContext for resolving namespace prefixes to - * namespace URIs for evaluating the XPath expression. - * @param exp The XPath expression to evaluate. - * @return Node The first node matching the XPath expression, or null, if no node - * matched. + * @param nsContext The NamespaceContext for resolving namespace + * prefixes to namespace URIs for evaluating the XPath + * expression. + * @param exp The XPath expression to evaluate. + * @return Node The first node matching the XPath expression, or + * null, if no node matched. * @throws XPathException An error occurred evaluating the XPath expression. */ public static Node selectSingleNode(final Node contextNode, final NamespaceContext nsContext, @@ -351,14 +374,16 @@ public class XPathUtils { } /** - * Return the value of a DOM element whose location is given by an XPath expression. + * Return the value of a DOM element whose location is given by an XPath + * expression. * - * @param root The root element from which to evaluate the XPath. - * @param xpath The XPath expression pointing to the element whose value to return. - * @param def The default value to return, if no element can be found using the given - * xpath. - * @return The element value, if it can be located using the xpath. Otherwise, - * def is returned. + * @param root The root element from which to evaluate the XPath. + * @param xpath The XPath expression pointing to the element whose value to + * return. + * @param def The default value to return, if no element can be found using + * the given xpath. + * @return The element value, if it can be located using the xpath. + * Otherwise, def is returned. */ public static String getElementValue(final Element root, final String xpath, final String def) { @@ -367,14 +392,16 @@ public class XPathUtils { } /** - * Return the value of a DOM attribute whose location is given by an XPath expression. + * Return the value of a DOM attribute whose location is given by an XPath + * expression. * - * @param root The root element from which to evaluate the XPath. - * @param xpath The XPath expression pointing to the attribute whose value to return. - * @param def The default value to return, if no attribute can be found using the given - * xpath. - * @return The element value, if it can be located using the xpath. Otherwise, - * def is returned. + * @param root The root element from which to evaluate the XPath. + * @param xpath The XPath expression pointing to the attribute whose value to + * return. + * @param def The default value to return, if no attribute can be found using + * the given xpath. + * @return The element value, if it can be located using the xpath. + * Otherwise, def is returned. */ public static String getAttributeValue(final Element root, final String xpath, final String def) { @@ -383,31 +410,36 @@ public class XPathUtils { } /** - * Returns the namespace prefix used within XPathUtils for referring to the namespace - * of the specified (Security Layer command) element. - *

- * This namespace prefix can be used in various XPath expression evaluation methods within - * XPathUtils without explicitely binding it to the particular namespace. - *

+ * Returns the namespace prefix used within XPathUtils for + * referring to the namespace of the specified (Security Layer command) element. + *

+ * This namespace prefix can be used in various XPath expression evaluation + * methods within XPathUtils without explicitely binding it to the + * particular namespace. + *

+ * * @param contextElement The (Security Layer command) element. * - * @return the namespace prefix used within XPathUtils for referring to the namespace - * of the specified (Security Layer command) element. + * @return the namespace prefix used within XPathUtils for + * referring to the namespace of the specified (Security Layer command) + * element. * - * throws XpathException If the specified element has a namespace other than the ones - * known by this implementation as valid Security Layer namespaces (cf. - * @link Constants#SL10_NS_URI, @link Constants#SL11_NS_URI, @link Constants#SL12_NS_URI). + * throws XpathException If the specified element has a namespace other + * than the ones known by this implementation as valid Security Layer + * namespaces (cf. + * @link Constants#SL10_NS_URI, @link Constants#SL11_NS_URI, @link + * Constants#SL12_NS_URI). */ public static String getSlPrefix(final Element contextElement) throws XPathException { final String sLNamespace = contextElement.getNamespaceURI(); String slPrefix = null; - if (sLNamespace.equals(XMLNamespaceConstants.SL10_NS_URI)) { - slPrefix = XMLNamespaceConstants.SL10_PREFIX; - } else if (sLNamespace.equals(XMLNamespaceConstants.SL12_NS_URI)) { - slPrefix = XMLNamespaceConstants.SL12_PREFIX; - } else if (sLNamespace.equals(XMLNamespaceConstants.SL11_NS_URI)) { - slPrefix = XMLNamespaceConstants.SL11_PREFIX; + if (sLNamespace.equals(XmlNamespaceConstants.SL10_NS_URI)) { + slPrefix = XmlNamespaceConstants.SL10_PREFIX; + } else if (sLNamespace.equals(XmlNamespaceConstants.SL12_NS_URI)) { + slPrefix = XmlNamespaceConstants.SL12_PREFIX; + } else if (sLNamespace.equals(XmlNamespaceConstants.SL11_NS_URI)) { + slPrefix = XmlNamespaceConstants.SL11_PREFIX; } else { throw new XPathException("XPath operation FAILED. Reason: "); } @@ -415,36 +447,38 @@ public class XPathUtils { return slPrefix; } - /** - * Return the SecurityLayer namespace prefix of the context element. If the context element is not - * the element that lies within the SecurityLayer namespace. The Securitylayer namespace is - * derived from the xmlns:sl10, sl11 or sl attribute of the - * context element. - *

+ * Return the SecurityLayer namespace prefix of the context element. If the + * context element is not the element that lies within the SecurityLayer + * namespace. The Securitylayer namespace is derived from the + * xmlns:sl10, sl11 or sl attribute of + * the context element. + *

* The returned prefix is needed for evaluating XPATH expressions. - *

- * @param contextElement The element to get a prefix for the Securitylayer namespace, that is used - * within the corresponding document. + *

+ * + * @param contextElement The element to get a prefix for the Securitylayer + * namespace, that is used within the corresponding + * document. * - * @return The string sl10, sl11 or sl, depending on the - * SecurityLayer namespace of the contextElement. + * @return The string sl10, sl11 or sl, + * depending on the SecurityLayer namespace of the contextElement. * - * throws XPathException If no (vlalid) SecurityLayer namespace prefix or namespace is - * defined. + * throws XPathException If no (vlalid) SecurityLayer namespace prefix + * or namespace is defined. */ public static String getSlPrefixFromNoRoot(final Element contextElement) throws XPathException { - String slPrefix = checkSLnsDeclaration(contextElement, XMLNamespaceConstants.SL10_PREFIX, - XMLNamespaceConstants.SL10_NS_URI); + String slPrefix = checkSLnsDeclaration(contextElement, XmlNamespaceConstants.SL10_PREFIX, + XmlNamespaceConstants.SL10_NS_URI); if (slPrefix == null) { - slPrefix = checkSLnsDeclaration(contextElement, XMLNamespaceConstants.SL11_PREFIX, - XMLNamespaceConstants.SL11_NS_URI); + slPrefix = checkSLnsDeclaration(contextElement, XmlNamespaceConstants.SL11_PREFIX, + XmlNamespaceConstants.SL11_NS_URI); } if (slPrefix == null) { - slPrefix = checkSLnsDeclaration(contextElement, XMLNamespaceConstants.SL12_PREFIX, - XMLNamespaceConstants.SL12_NS_URI); + slPrefix = checkSLnsDeclaration(contextElement, XmlNamespaceConstants.SL12_PREFIX, + XmlNamespaceConstants.SL12_NS_URI); } return slPrefix; @@ -452,15 +486,18 @@ public class XPathUtils { } /** - * Checks if the context element has an attribute xmlns:slPrefix and if the prefix of - * that attribute corresponds with a valid SecurityLayer namespace. + * Checks if the context element has an attribute xmlns:slPrefix + * and if the prefix of that attribute corresponds with a valid SecurityLayer + * namespace. * * @param contextElement The element to be checked. - * @param slPrefix The prefix which should be checked. Must be a valid SecurityLayer namespace - * prefix. - * @param slNameSpace The SecurityLayer namespace that corresponds to the specified prefix. + * @param slPrefix The prefix which should be checked. Must be a valid + * SecurityLayer namespace prefix. + * @param slNameSpace The SecurityLayer namespace that corresponds to the + * specified prefix. * - * @return The valid SecurityLayer prefix or null if this prefix is not used. + * @return The valid SecurityLayer prefix or null if this prefix is + * not used. * @throws XPathException In case of an error */ private static String checkSLnsDeclaration(final Element contextElement, final String slPrefix, -- cgit v1.2.3