X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=yang%2Fyang-model-util%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fyangtools%2Fyang%2Fmodel%2Futil%2FSchemaContextUtil.java;h=7ad5070f195a118faf8590d75e3671208029c578;hb=e704e6a6d1cc4db7ac1e1f53b54ec3bf51aaecc3;hp=132edfc347bdb7dd2405aefd755cfc832a118bd9;hpb=3a6dd6a71f3a4be15044e9ee5cffbe59bc5e5683;p=yangtools.git diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/SchemaContextUtil.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/SchemaContextUtil.java index 132edfc347..7ad5070f19 100644 --- a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/SchemaContextUtil.java +++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/SchemaContextUtil.java @@ -7,7 +7,9 @@ */ package org.opendaylight.yangtools.yang.model.util; +import com.google.common.annotations.Beta; import com.google.common.base.Function; +import com.google.common.base.Optional; import com.google.common.base.Preconditions; import com.google.common.base.Splitter; import com.google.common.collect.Iterables; @@ -16,15 +18,19 @@ import java.util.Iterator; import java.util.LinkedList; import java.util.List; import java.util.Set; +import java.util.regex.Pattern; +import javax.annotation.Nonnull; +import javax.annotation.Nullable; import org.opendaylight.yangtools.yang.common.QName; -import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode; -import org.opendaylight.yangtools.yang.model.api.ChoiceNode; +import org.opendaylight.yangtools.yang.common.QNameModule; +import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode; import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode; +import org.opendaylight.yangtools.yang.model.api.DataNodeContainer; import org.opendaylight.yangtools.yang.model.api.DataSchemaNode; +import org.opendaylight.yangtools.yang.model.api.DerivableSchemaNode; import org.opendaylight.yangtools.yang.model.api.GroupingDefinition; import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode; import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode; -import org.opendaylight.yangtools.yang.model.api.ListSchemaNode; import org.opendaylight.yangtools.yang.model.api.Module; import org.opendaylight.yangtools.yang.model.api.ModuleImport; import org.opendaylight.yangtools.yang.model.api.NotificationDefinition; @@ -120,11 +126,11 @@ public final class SchemaContextUtil { Preconditions.checkArgument(module != null, "Module reference cannot be NULL"); Preconditions.checkArgument(nonCondXPath != null, "Non Conditional Revision Aware XPath cannot be NULL"); - String strXPath = nonCondXPath.toString(); + final String strXPath = nonCondXPath.toString(); if (strXPath != null) { Preconditions.checkArgument(strXPath.indexOf('[') == -1, "Revision Aware XPath may not contain a condition"); if (nonCondXPath.isAbsolute()) { - List qnamedPath = xpathToQNamePath(context, module, strXPath); + final List qnamedPath = xpathToQNamePath(context, module, strXPath); if (qnamedPath != null) { return findNodeInSchemaContext(context, qnamedPath); } @@ -182,9 +188,9 @@ public final class SchemaContextUtil { "Revision Aware XPath MUST be relative i.e. MUST contains ../, " + "for non relative Revision Aware XPath use findDataSchemaNode method"); - SchemaPath actualNodePath = actualSchemaNode.getPath(); + final SchemaPath actualNodePath = actualSchemaNode.getPath(); if (actualNodePath != null) { - Iterable qnamePath = resolveRelativeXPath(context, module, relativeXPath, actualSchemaNode); + final Iterable qnamePath = resolveRelativeXPath(context, module, relativeXPath, actualSchemaNode); if (qnamePath != null) { return findNodeInSchemaContext(context, qnamePath); @@ -216,10 +222,10 @@ public final class SchemaContextUtil { Preconditions.checkState(schemaNode.getPath() != null, "Schema Path for Schema Node is not " + "set properly (Schema Path is NULL)"); - final QName qname = Iterables.getFirst(schemaNode.getPath().getPathTowardsRoot(), null); + final QName qname = schemaNode.getPath().getLastComponent(); Preconditions.checkState(qname != null, "Schema Path contains invalid state of path parts. " + - "The Schema Path MUST contain at least ONE QName which defines namespace and Local name of path."); + "The Schema Path MUST contain at least ONE QName which defines namespace and Local name of path."); return context.findModuleByNamespaceAndRevision(qname.getNamespace(), qname.getRevision()); } @@ -236,189 +242,177 @@ public final class SchemaContextUtil { return findNodeInModule(module, path); } + /** + * Returns NotificationDefinition from Schema Context + * + * @param schema SchemaContext in which lookup should be performed. + * @param path Schema Path of notification + * @return Notification schema or null, if notification is not present in schema context. + */ + @Beta + @Nullable public static NotificationDefinition getNotificationSchema(@Nonnull final SchemaContext schema, @Nonnull final SchemaPath path) { + Preconditions.checkNotNull(schema, "Schema context must not be null."); + Preconditions.checkNotNull(path, "Schema path must not be null."); + for (final NotificationDefinition potential : schema.getNotifications()) { + if (path.equals(potential.getPath())) { + return potential; + } + } + return null; + } + + /** + * Returns RPC Input or Output Data container from RPC definition. + * + * @param schema SchemaContext in which lookup should be performed. + * @param path Schema path of RPC input/output data container + * @return Notification schema or null, if notification is not present in schema context. + */ + @Beta + @Nullable public static ContainerSchemaNode getRpcDataSchema(@Nonnull final SchemaContext schema, @Nonnull final SchemaPath path) { + Preconditions.checkNotNull(schema, "Schema context must not be null."); + Preconditions.checkNotNull(path, "Schema path must not be null."); + final Iterator it = path.getPathFromRoot().iterator(); + Preconditions.checkArgument(it.hasNext(), "Rpc must have QName."); + final QName rpcName = it.next(); + Preconditions.checkArgument(it.hasNext(), "input or output must be part of path."); + final QName inOrOut = it.next(); + for (final RpcDefinition potential : schema.getOperations()) { + if (rpcName.equals(potential.getQName())) { + return SchemaNodeUtils.getRpcDataSchema(potential, inOrOut); + } + } + return null; + } + private static SchemaNode findNodeInModule(final Module module, final Iterable path) { + + Preconditions.checkArgument(module != null, "Parent reference cannot be NULL"); + Preconditions.checkArgument(path != null, "Path reference cannot be NULL"); + + if (!path.iterator().hasNext()) { + LOG.debug("No node matching {} found in node {}", path, module); + return null; + } + final QName current = path.iterator().next(); + LOG.trace("Looking for node {} in module {}", current, module); - LOG.trace("Looking for data container {} in module {}", current, module); - SchemaNode parent = module.getDataChildByName(current); - if (parent != null) { - final SchemaNode ret = findNode((DataSchemaNode) parent, nextLevel(path)); - if (ret != null) { - return ret; - } + SchemaNode foundNode = null; + final Iterable nextPath = nextLevel(path); + + foundNode = module.getDataChildByName(current); + if (foundNode != null && nextPath.iterator().hasNext()) { + foundNode = findNodeIn(foundNode, nextPath); } - LOG.trace("Looking for RPC {} in module {}", current, module); - parent = getRpcByName(module, current); - if (parent != null) { - final SchemaNode ret = findNodeInRpc((RpcDefinition) parent, nextLevel(path)); - if (ret != null) { - return ret; + if (foundNode == null) { + foundNode = getGroupingByName(module, current); + if (foundNode != null && nextPath.iterator().hasNext()) { + foundNode = findNodeIn(foundNode, nextPath); } } - LOG.trace("Looking for notification {} in module {}", current, module); - parent = getNotificationByName(module, current); - if (parent != null) { - final SchemaNode ret = findNodeInNotification((NotificationDefinition) parent, nextLevel(path)); - if (ret != null) { - return ret; + if (foundNode == null) { + foundNode = getRpcByName(module, current); + if (foundNode != null && nextPath.iterator().hasNext()) { + foundNode = findNodeIn(foundNode, nextPath); } } - LOG.trace("Looking for grouping {} in module {}", current, module); - parent = getGroupingByName(module, current); - if (parent != null) { - final SchemaNode ret = findNodeInGrouping((GroupingDefinition) parent, nextLevel(path)); - if (ret != null) { - return ret; + if (foundNode == null) { + foundNode = getNotificationByName(module, current); + if (foundNode != null && nextPath.iterator().hasNext()) { + foundNode = findNodeIn(foundNode, nextPath); } } - LOG.debug("No node matching {} found in module {}", path, module); - return null; - } - - private static SchemaNode findNodeInGrouping( - final GroupingDefinition grouping, final Iterable path) { - final QName current = Iterables.getFirst(path, null); - if (current == null) { - LOG.debug("Found grouping {}", grouping); - return grouping; + if (foundNode == null) { + LOG.debug("No node matching {} found in node {}", path, module); } - LOG.trace("Looking for path {} in grouping {}", path, grouping); - final DataSchemaNode node = grouping.getDataChildByName(current); + return foundNode; - if (node != null) - return findNode(node, nextLevel(path)); + } - for (GroupingDefinition groupingDefinition : grouping.getGroupings()) { - if (groupingDefinition.getQName().equals(current)) - return findNodeInGrouping(groupingDefinition, nextLevel(path)); - } + private static SchemaNode findNodeIn(final SchemaNode parent, final Iterable path) { - LOG.debug("No node matching {} found in grouping {}", current, grouping); - return null; - } + Preconditions.checkArgument(parent != null, "Parent reference cannot be NULL"); + Preconditions.checkArgument(path != null, "Path reference cannot be NULL"); - private static SchemaNode findNodeInRpc(final RpcDefinition rpc, final Iterable path) { - final QName current = Iterables.getFirst(path, null); - if (current == null) { - LOG.debug("Found RPC {}", rpc); - return rpc; - } - - LOG.trace("Looking for path {} in rpc {}", path, rpc); - switch (current.getLocalName()) { - case "input": - return findNode(rpc.getInput(), nextLevel(path)); - case "output": - return findNode(rpc.getOutput(), nextLevel(path)); - default: - LOG.debug("Invalid component {} of path {} in RPC {}", current, path, rpc); + if (!path.iterator().hasNext()) { + LOG.debug("No node matching {} found in node {}", path, parent); return null; } - } - private static SchemaNode findNodeInNotification(final NotificationDefinition ntf, final Iterable path) { - final QName current = Iterables.getFirst(path, null); - if (current == null) { - LOG.debug("Found notification {}", ntf); - return ntf; - } + final QName current = path.iterator().next(); + LOG.trace("Looking for node {} in node {}", current, parent); - LOG.trace("Looking for path {} in notification {}", path, ntf); - DataSchemaNode node = ntf.getDataChildByName(current); - if (node == null) { - LOG.debug("No node matching {} found in notification {}", current, ntf); - return null; - } + SchemaNode foundNode = null; + final Iterable nextPath = nextLevel(path); - return findNode(node, nextLevel(path)); - } + if (parent instanceof DataNodeContainer) { + final DataNodeContainer parentDataNodeContainer = (DataNodeContainer) parent; - private static SchemaNode findNode(final ChoiceNode parent, final Iterable path) { - final QName current = Iterables.getFirst(path, null); - if (current == null) { - return parent; - } - ChoiceCaseNode node = parent.getCaseNodeByName(current); - if (node != null) { - return findNodeInCase(node, nextLevel(path)); - } - return null; - } + foundNode = parentDataNodeContainer.getDataChildByName(current); + if (foundNode != null && nextPath.iterator().hasNext()) { + foundNode = findNodeIn(foundNode, nextPath); + } - private static SchemaNode findNode(final ContainerSchemaNode parent, final Iterable path) { - final QName current = Iterables.getFirst(path, null); - if (current == null) { - return parent; + if (foundNode == null) { + foundNode = getGroupingByName(parentDataNodeContainer, current); + if (foundNode != null && nextPath.iterator().hasNext()) { + foundNode = findNodeIn(foundNode, nextPath); + } + } } - final DataSchemaNode node = parent.getDataChildByName(current); - if (node == null) { - LOG.debug("Failed to find {} in parent {}", path, parent); - return null; - } + if (foundNode == null && parent instanceof RpcDefinition) { + final RpcDefinition parentRpcDefinition = (RpcDefinition) parent; - return findNode(node, nextLevel(path)); - } + if (current.getLocalName().equals("input")) { + foundNode = parentRpcDefinition.getInput(); + if (foundNode != null && nextPath.iterator().hasNext()) { + foundNode = findNodeIn(foundNode, nextPath); + } + } - private static SchemaNode findNode(final ListSchemaNode parent, final Iterable path) { - final QName current = Iterables.getFirst(path, null); - if (current == null) { - return parent; - } + if (current.getLocalName().equals("output")) { + foundNode = parentRpcDefinition.getOutput(); + if (foundNode != null && nextPath.iterator().hasNext()) { + foundNode = findNodeIn(foundNode, nextPath); + } + } - DataSchemaNode node = parent.getDataChildByName(current); - if (node == null) { - LOG.debug("Failed to find {} in parent {}", path, parent); - return null; + if (foundNode == null) { + foundNode = getGroupingByName(parentRpcDefinition, current); + if (foundNode != null && nextPath.iterator().hasNext()) { + foundNode = findNodeIn(foundNode, nextPath); + } + } } - return findNode(node, nextLevel(path)); - } - private static SchemaNode findNode(final DataSchemaNode parent, final Iterable path) { - final SchemaNode node; - if (!Iterables.isEmpty(path)) { - if (parent instanceof ContainerSchemaNode) { - node = findNode((ContainerSchemaNode) parent, path); - } else if (parent instanceof ListSchemaNode) { - node = findNode((ListSchemaNode) parent, path); - } else if (parent instanceof ChoiceNode) { - node = findNode((ChoiceNode) parent, path); - } else { - throw new IllegalArgumentException( - String.format("Path nesting violation in parent %s path %s", parent, path)); + if (foundNode == null && parent instanceof ChoiceSchemaNode) { + foundNode = ((ChoiceSchemaNode) parent).getCaseNodeByName(current); + if (foundNode != null && nextPath.iterator().hasNext()) { + foundNode = findNodeIn(foundNode, nextPath); } - } else { - node = parent; } - if (node == null) { - LOG.debug("Failed to find {} in parent {}", path, parent); - return null; + if (foundNode == null) { + LOG.debug("No node matching {} found in node {}", path, parent); } - return node; - } - private static SchemaNode findNodeInCase(final ChoiceCaseNode parent, final Iterable path) { - final QName current = Iterables.getFirst(path, null); - if (current == null) { - return parent; - } + return foundNode; - DataSchemaNode node = parent.getDataChildByName(current); - if (node == null) { - LOG.debug("Failed to find {} in parent {}", path, parent); - return null; - } - return findNode(node, nextLevel(path)); + } + + private static Iterable nextLevel(final Iterable path) { + return Iterables.skip(path, 1); } private static RpcDefinition getRpcByName(final Module module, final QName name) { - for (RpcDefinition rpc : module.getRpcs()) { + for (final RpcDefinition rpc : module.getRpcs()) { if (rpc.getQName().equals(name)) { return rpc; } @@ -426,12 +420,8 @@ public final class SchemaContextUtil { return null; } - private static Iterable nextLevel(final Iterable path) { - return Iterables.skip(path, 1); - } - private static NotificationDefinition getNotificationByName(final Module module, final QName name) { - for (NotificationDefinition notification : module.getNotifications()) { + for (final NotificationDefinition notification : module.getNotifications()) { if (notification.getQName().equals(name)) { return notification; } @@ -439,8 +429,17 @@ public final class SchemaContextUtil { return null; } - private static GroupingDefinition getGroupingByName(final Module module, final QName name) { - for (GroupingDefinition grouping : module.getGroupings()) { + private static GroupingDefinition getGroupingByName(final DataNodeContainer dataNodeContainer, final QName name) { + for (final GroupingDefinition grouping : dataNodeContainer.getGroupings()) { + if (grouping.getQName().equals(name)) { + return grouping; + } + } + return null; + } + + private static GroupingDefinition getGroupingByName(final RpcDefinition rpc, final QName name) { + for (final GroupingDefinition grouping : rpc.getGroupings()) { if (grouping.getQName().equals(name)) { return grouping; } @@ -470,8 +469,8 @@ public final class SchemaContextUtil { Preconditions.checkArgument(parentModule != null, "Parent Module reference cannot be NULL"); Preconditions.checkArgument(xpath != null, "XPath string reference cannot be NULL"); - List path = new LinkedList(); - for (String pathComponent : SLASH_SPLITTER.split(xpath)) { + final List path = new LinkedList(); + for (final String pathComponent : SLASH_SPLITTER.split(xpath)) { if (!pathComponent.isEmpty()) { path.add(stringPathPartToQName(context, parentModule, pathComponent)); } @@ -509,7 +508,7 @@ public final class SchemaContextUtil { final Iterator prefixedName = COLON_SPLITTER.split(prefixedPathPart).iterator(); final String modulePrefix = prefixedName.next(); - Module module = resolveModuleForPrefix(context, parentModule, modulePrefix); + final Module module = resolveModuleForPrefix(context, parentModule, modulePrefix); Preconditions.checkArgument(module != null, "Failed to resolve xpath: no module found for prefix %s in module %s", modulePrefix, parentModule.getName()); @@ -552,8 +551,8 @@ public final class SchemaContextUtil { return module; } - Set imports = module.getImports(); - for (ModuleImport mi : imports) { + final Set imports = module.getImports(); + for (final ModuleImport mi : imports) { if (prefix.equals(mi.getPrefix())) { return context.findModuleByName(mi.getModuleName(), mi.getRevision()); } @@ -591,7 +590,7 @@ public final class SchemaContextUtil { // FIXME: is .contains() the right check here? // FIXME: case ../../node1/node2/../node3/../node4 int colCount = 0; - for (Iterator it = xpaths.iterator(); it.hasNext() && it.next().contains(".."); ) { + for (final Iterator it = xpaths.iterator(); it.hasNext() && it.next().contains(".."); ) { ++colCount; } @@ -631,13 +630,23 @@ public final class SchemaContextUtil { RevisionAwareXPath pathStatement = typeDefinition.getPathStatement(); pathStatement = new RevisionAwareXPathImpl(stripConditionsFromXPathString(pathStatement), pathStatement.isAbsolute()); - final Module parentModule = SchemaContextUtil.findParentModule(schemaContext, schema); + SchemaNode baseSchema = schema; + while (baseSchema instanceof DerivableSchemaNode) { + final Optional basePotential = ((DerivableSchemaNode) baseSchema).getOriginal(); + if (basePotential.isPresent()) { + baseSchema = basePotential.get(); + } else { + break; + } + } + + Module parentModule = findParentModuleOfReferencingType(schemaContext, baseSchema); final DataSchemaNode dataSchemaNode; if(pathStatement.isAbsolute()) { dataSchemaNode = (DataSchemaNode) SchemaContextUtil.findDataSchemaNode(schemaContext, parentModule, pathStatement); } else { - dataSchemaNode = (DataSchemaNode) SchemaContextUtil.findDataSchemaNodeForRelativeXPath(schemaContext, parentModule, schema, pathStatement); + dataSchemaNode = (DataSchemaNode) SchemaContextUtil.findDataSchemaNodeForRelativeXPath(schemaContext, parentModule, baseSchema, pathStatement); } // FIXME this is just to preserve backwards compatibility since yangtools do not mind wrong leafref xpaths @@ -656,6 +665,109 @@ public final class SchemaContextUtil { } } + private static Module findParentModuleOfReferencingType(final SchemaContext schemaContext, + final SchemaNode schemaNode) { + Preconditions.checkArgument(schemaContext != null, "Schema Context reference cannot be NULL!"); + Preconditions.checkArgument(schemaNode != null, "Schema Node cannot be NULL!"); + TypeDefinition nodeType = null; + + if (schemaNode instanceof LeafSchemaNode) { + nodeType = ((LeafSchemaNode) schemaNode).getType(); + } else if (schemaNode instanceof LeafListSchemaNode) { + nodeType = ((LeafListSchemaNode) schemaNode).getType(); + } + + if (nodeType.getBaseType() != null) { + while (nodeType.getBaseType() != null) { + nodeType = nodeType.getBaseType(); + } + + final QNameModule typeDefModuleQname = nodeType.getQName().getModule(); + return schemaContext.findModuleByNamespaceAndRevision(typeDefModuleQname.getNamespace(), + typeDefModuleQname.getRevision()); + } + + return SchemaContextUtil.findParentModule(schemaContext, schemaNode); + } + + /** + * @deprecated due to expensive lookup + * Returns parent Yang Module for specified Schema Context in which Schema + * Node is declared. If Schema Node is of type 'ExtendedType' it tries to find parent module + * in which the type was originally declared (needed for correct leafref path resolution).
+ * If the Schema Node is not present in Schema Context the + * operation will return null.
+ * If Schema Context or Schema Node contains null references + * the method will throw IllegalArgumentException + * + * @throws IllegalArgumentException + * + * @param schemaContext + * Schema Context + * @param schemaNode + * Schema Node + * @return Yang Module for specified Schema Context and Schema Node, if + * Schema Node is NOT present, the method will returns + * null + */ + @Deprecated + public static Module findParentModuleByType(final SchemaContext schemaContext, final SchemaNode schemaNode) { + Preconditions.checkArgument(schemaContext != null, "Schema Context reference cannot be NULL!"); + Preconditions.checkArgument(schemaNode != null, "Schema Node cannot be NULL!"); + TypeDefinition nodeType = null; + + if (schemaNode instanceof LeafSchemaNode) { + nodeType = ((LeafSchemaNode) schemaNode).getType(); + } else if (schemaNode instanceof LeafListSchemaNode) { + nodeType = ((LeafListSchemaNode) schemaNode).getType(); + } + + if (!BaseTypes.isYangBuildInType(nodeType) && nodeType.getBaseType() != null) { + while (nodeType.getBaseType() != null && !BaseTypes.isYangBuildInType(nodeType.getBaseType())) { + nodeType = nodeType.getBaseType(); + } + + QNameModule typeDefModuleQname = nodeType.getQName().getModule(); + + return schemaContext.findModuleByNamespaceAndRevision(typeDefModuleQname.getNamespace(), + typeDefModuleQname.getRevision()); + } + + return SchemaContextUtil.findParentModule(schemaContext, schemaNode); + } + + /** + * Returns base type for {@code typeDefinition} which belongs to module specified via {@code qName}. This handle case + * when leafref type isn't specified as type substatement of leaf or leaf-list but is defined in other module as typedef + * which is then imported to referenced module. + * + * Because {@code typeDefinition} is definied via typedef statement, only absolute path is meaningful. + * + * @param typeDefinition + * @param schemaContext + * @param qName + * @return + */ + public static TypeDefinition getBaseTypeForLeafRef(final LeafrefTypeDefinition typeDefinition, + final SchemaContext schemaContext, final QName qName) { + final RevisionAwareXPath pathStatement = typeDefinition.getPathStatement(); + final RevisionAwareXPath strippedPathStatement = new RevisionAwareXPathImpl(stripConditionsFromXPathString(pathStatement), pathStatement.isAbsolute()); + if (!strippedPathStatement.isAbsolute()) { + return null; + } + + final Module parentModule = schemaContext.findModuleByNamespaceAndRevision(qName.getNamespace(),qName.getRevision()); + final DataSchemaNode dataSchemaNode = (DataSchemaNode) SchemaContextUtil.findDataSchemaNode(schemaContext, parentModule, strippedPathStatement); + final TypeDefinition targetTypeDefinition = typeDefinition(dataSchemaNode); + if (targetTypeDefinition instanceof LeafrefTypeDefinition) { + return getBaseTypeForLeafRef(((LeafrefTypeDefinition) targetTypeDefinition), schemaContext, dataSchemaNode); + } else { + return targetTypeDefinition; + } + } + + private static final Pattern STRIP_PATTERN = Pattern.compile("\\[.*\\]"); + /** * Removes conditions from xPath pointed to target node. * @@ -665,7 +777,7 @@ public final class SchemaContextUtil { * */ private static String stripConditionsFromXPathString(final RevisionAwareXPath pathStatement) { - return pathStatement.toString().replaceAll("\\[.*\\]", ""); + return STRIP_PATTERN.matcher(pathStatement.toString()).replaceAll(""); } /**