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author | (no author) <(no author)@d688527b-c9ab-4aba-bd8d-4036d912da1d> | 2005-01-24 11:20:53 +0000 |
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committer | (no author) <(no author)@d688527b-c9ab-4aba-bd8d-4036d912da1d> | 2005-01-24 11:20:53 +0000 |
commit | 035ea4f59287d8c3f3ccd6bae5e6a9306162a0df (patch) | |
tree | 24874baa6bb2ded9ff7ed98d13f34db55d2b7fcd /common/src/at/gv/egovernment/moa/util/XPathUtils.java | |
parent | 03d4edd310c7ccbe7dae4ca951e383c448c16b64 (diff) | |
download | moa-id-spss-tags/Build-SPSS-1_2_0_D04.tar.gz moa-id-spss-tags/Build-SPSS-1_2_0_D04.tar.bz2 moa-id-spss-tags/Build-SPSS-1_2_0_D04.zip |
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'Build-SPSS-1_2_0_D04'.
git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/tags/Build-SPSS-1_2_0_D04@254 d688527b-c9ab-4aba-bd8d-4036d912da1d
Diffstat (limited to 'common/src/at/gv/egovernment/moa/util/XPathUtils.java')
-rw-r--r-- | common/src/at/gv/egovernment/moa/util/XPathUtils.java | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/common/src/at/gv/egovernment/moa/util/XPathUtils.java b/common/src/at/gv/egovernment/moa/util/XPathUtils.java deleted file mode 100644 index 0ed4fcda3..000000000 --- a/common/src/at/gv/egovernment/moa/util/XPathUtils.java +++ /dev/null @@ -1,415 +0,0 @@ -package at.gv.egovernment.moa.util; - -import java.util.List; -import java.util.Map; - -import org.w3c.dom.Attr; -import org.w3c.dom.Element; -import org.w3c.dom.Node; -import org.w3c.dom.NodeList; -import org.w3c.dom.traversal.NodeIterator; - -import org.jaxen.JaxenException; -import org.jaxen.NamespaceContext; -import org.jaxen.SimpleNamespaceContext; -import org.jaxen.dom.DOMXPath; -import org.jaxen.dom.DocumentNavigator; - -/** - * Utility methods to evaluate XPath expressions on DOM nodes. - * - * @author Patrick Peck - * @version $Id$ - */ -public class XPathUtils { - - /** - * The XPath expression selecting all nodes under a given root (including the - * root node itself). - */ - public static final String ALL_NODES_XPATH = - "(.//. | .//@* | .//namespace::*)"; - - /** The <code>DocumentNavigator</code> to use for navigating the document. */ - private static DocumentNavigator documentNavigator = - DocumentNavigator.getInstance(); - /** The default namespace prefix to namespace URI mappings. */ - private static NamespaceContext NS_CONTEXT; - - static { - SimpleNamespaceContext ctx = new SimpleNamespaceContext(); - ctx.addNamespace(Constants.MOA_PREFIX, Constants.MOA_NS_URI); - ctx.addNamespace(Constants.MOA_CONFIG_PREFIX, Constants.MOA_CONFIG_NS_URI); - ctx.addNamespace( - Constants.MOA_ID_CONFIG_PREFIX, - Constants.MOA_ID_CONFIG_NS_URI); - ctx.addNamespace(Constants.SL10_PREFIX, Constants.SL10_NS_URI); - ctx.addNamespace(Constants.SL11_PREFIX, Constants.SL11_NS_URI); - ctx.addNamespace(Constants.ECDSA_PREFIX, Constants.ECDSA_NS_URI); - ctx.addNamespace(Constants.PD_PREFIX, Constants.PD_NS_URI); - ctx.addNamespace(Constants.SAML_PREFIX, Constants.SAML_NS_URI); - ctx.addNamespace(Constants.SAMLP_PREFIX, Constants.SAMLP_NS_URI); - ctx.addNamespace(Constants.DSIG_PREFIX, Constants.DSIG_NS_URI); - ctx.addNamespace(Constants.XSLT_PREFIX, Constants.XSLT_NS_URI); - ctx.addNamespace(Constants.XSI_PREFIX, Constants.XSI_NS_URI); - ctx.addNamespace( - Constants.DSIG_FILTER2_PREFIX, - Constants.DSIG_FILTER2_NS_URI); - ctx.addNamespace(Constants.DSIG_EC_PREFIX, Constants.DSIG_EC_NS_URI); - NS_CONTEXT = ctx; - } - - /** - * Return a <code>NodeIterator</code> over the nodes matching the XPath - * expression. - * - * All namespace URIs and prefixes declared in the <code>Constants</code> - * 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 An iterator over the resulting nodes. - * @throws XPathException An error occurred evaluating the XPath expression. - */ - public static NodeIterator selectNodeIterator(Node contextNode, String exp) - throws XPathException { - - return selectNodeIterator(contextNode, NS_CONTEXT, exp); - } - - /** - * Return a <code>NodeIterator</code> 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. - * @return An iterator over the resulting nodes. - * @throws XPathException An error occurred evaluating the XPath expression. - */ - public static NodeIterator selectNodeIterator( - Node contextNode, - Element namespaceElement, - String exp) - throws XPathException { - - try { - SimpleNamespaceContext ctx = new SimpleNamespaceContext(); - ctx.addElementNamespaces(documentNavigator, namespaceElement); - return selectNodeIterator(contextNode, ctx, exp); - } catch (JaxenException e) { - MessageProvider msg = MessageProvider.getInstance(); - String message = msg.getMessage("xpath.00", new Object[] { exp }); - throw new XPathException(message, e); - } - } - - /** - * Return a <code>NodeIterator</code> 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 - * (<code>String</code> to <code>String</code>) 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. - */ - public static NodeIterator selectNodeIterator( - Node contextNode, - Map namespaceMapping, - String exp) - throws XPathException { - - SimpleNamespaceContext ctx = new SimpleNamespaceContext(namespaceMapping); - - return selectNodeIterator(contextNode, ctx, exp); - } - - /** - * Return a <code>NodeIterator</code> over the nodes matching the XPath - * expression. - * - * @param contextNode The root node from which to evaluate the XPath - * expression. - * @param nsContext The <code>NamespaceContext</code> 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. - */ - private static NodeIterator selectNodeIterator( - Node contextNode, - NamespaceContext nsContext, - String exp) - throws XPathException { - - try { - DOMXPath xpath = new DOMXPath(exp); - List nodes; - - xpath.setNamespaceContext(nsContext); - nodes = xpath.selectNodes(contextNode); - return new NodeIteratorAdapter(nodes.listIterator()); - } catch (JaxenException e) { - MessageProvider msg = MessageProvider.getInstance(); - String message = msg.getMessage("xpath.00", new Object[] { exp }); - throw new XPathException(message, e); - } - } - - /** - * Return a <code>NodeList</code> of all the nodes matching the XPath - * expression. - * - * All namespace URIs and prefixes declared in the <code>Constants</code> - * 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 A <code>NodeList</code> containing the matching nodes. - * @throws XPathException An error occurred evaluating the XPath expression. - */ - public static NodeList selectNodeList(Node contextNode, String exp) - throws XPathException { - - return selectNodeList(contextNode, NS_CONTEXT, exp); - } - - /** - * Return a <code>NodeList</code> 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. - * @return A <code>NodeList</code> containing the matching nodes. - * @throws XPathException An error occurred evaluating the XPath expression. - */ - public static NodeList selectNodeList( - Node contextNode, - Element namespaceElement, - String exp) - throws XPathException { - - try { - SimpleNamespaceContext ctx = new SimpleNamespaceContext(); - - ctx.addElementNamespaces(documentNavigator, namespaceElement); - return selectNodeList(contextNode, ctx, exp); - } catch (JaxenException e) { - MessageProvider msg = MessageProvider.getInstance(); - String message = msg.getMessage("xpath.00", new Object[] { exp }); - throw new XPathException(message, e); - } - } - - /** - * Return a <code>NodeList</code> 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 - * (<code>String</code> to <code>String</code>) for evaluating the XPath - * expression. - * @param exp The XPath expression to evaluate. - * @return A <code>NodeList</code> containing the matching nodes. - * @throws XPathException An error occurred evaluating the XPath expression. - */ - public static NodeList selectNodeList( - Node contextNode, - Map namespaceMapping, - String exp) - throws XPathException { - - SimpleNamespaceContext ctx = new SimpleNamespaceContext(namespaceMapping); - - return selectNodeList(contextNode, ctx, exp); - } - - /** - * Return a <code>NodeList</code> of all the nodes matching the XPath - * expression. - * - * @param contextNode The root node from which to evaluate the XPath - * expression. - * @param nsContext The <code>NamespaceContext</code> for resolving namespace - * prefixes to namespace URIs for evaluating the XPath expression. - * @param exp The XPath expression to evaluate. - * @return A <code>NodeList</code> containing the matching nodes. - * @throws XPathException An error occurred evaluating the XPath expression. - */ - private static NodeList selectNodeList( - Node contextNode, - NamespaceContext nsContext, - String exp) - throws XPathException { - - try { - DOMXPath xpath = new DOMXPath(exp); - List nodes; - - xpath.setNamespaceContext(nsContext); - nodes = xpath.selectNodes(contextNode); - return new NodeListAdapter(nodes); - } catch (JaxenException e) { - MessageProvider msg = MessageProvider.getInstance(); - String message = msg.getMessage("xpath.00", new Object[] { exp }); - throw new XPathException(message, e); - } - } - - /** - * Select the first node matching an XPath expression. - * - * All namespace URIs and prefixes declared in the <code>Constants</code> - * 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 - * <code>null</code>, if no node matched. - * @throws XPathException An error occurred evaluating the XPath expression. - */ - public static Node selectSingleNode(Node contextNode, String exp) - throws XPathException { - - return selectSingleNode(contextNode, NS_CONTEXT, exp); - } - - /** - * 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 - * <code>null</code>, if no node matched. - * @throws XPathException An error occurred evaluating the XPath expression. - */ - public static Node selectSingleNode( - Node contextNode, - Element namespaceElement, - String exp) - throws XPathException { - - try { - SimpleNamespaceContext ctx = new SimpleNamespaceContext(); - ctx.addElementNamespaces(documentNavigator, namespaceElement); - - return selectSingleNode(contextNode, ctx, exp); - } catch (JaxenException e) { - MessageProvider msg = MessageProvider.getInstance(); - String message = msg.getMessage("xpath.00", new Object[] { exp }); - throw new XPathException(message, e); - } - } - - /** - * 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 - * (<code>String</code> to <code>String</code>) for evaluating the XPath - * expression. - * @param exp The XPath expression to evaluate. - * @return Node The first node matching the XPath expression, or - * <code>null</code>, if no node matched. - * @throws XPathException An error occurred evaluating the XPath expression. - */ - public static Node selectSingleNode( - Node contextNode, - Map namespaceMapping, - String exp) - throws XPathException { - - SimpleNamespaceContext ctx = new SimpleNamespaceContext(namespaceMapping); - - return selectSingleNode(contextNode, ctx, exp); - } - - /** - * Select the first node matching an XPath expression. - * - * @param contextNode The root node from which to evaluate the XPath - * expression. - * @param nsContext The <code>NamespaceContext</code> 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 - * <code>null</code>, if no node matched. - * @throws XPathException An error occurred evaluating the XPath expression. - */ - private static Node selectSingleNode( - Node contextNode, - NamespaceContext nsContext, - String exp) - throws XPathException { - - try { - DOMXPath xpath = new DOMXPath(exp); - xpath.setNamespaceContext(nsContext); - return (Node) xpath.selectSingleNode(contextNode); - } catch (JaxenException e) { - MessageProvider msg = MessageProvider.getInstance(); - String message = msg.getMessage("xpath.00", new Object[] { exp }); - throw new XPathException(message, e); - } - } - - /** - * 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 <code>xpath</code>. - * @return The element value, if it can be located using the - * <code>xpath</code>. Otherwise, <code>def</code> is returned. - */ - public static String getElementValue( - Element root, - String xpath, - String def) { - - Element elem = (Element) XPathUtils.selectSingleNode(root, xpath); - return elem != null ? DOMUtils.getText(elem) : def; - } - - /** - * 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 <code>xpath</code>. - * @return The element value, if it can be located using the - * <code>xpath</code>. Otherwise, <code>def</code> is returned. - */ - public static String getAttributeValue( - Element root, - String xpath, - String def) { - - Attr attr = (Attr) XPathUtils.selectSingleNode(root, xpath); - return attr != null ? attr.getValue() : def; - } - -} |