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Added initial implementation of the 'metaschema-cli metapath list-fun…
…ctions' command.
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132
.../main/java/gov/nist/secauto/metaschema/cli/commands/metapath/ListFunctionsSubcommand.java
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| /* | ||
| * Portions of this software was developed by employees of the National Institute | ||
| * of Standards and Technology (NIST), an agency of the Federal Government and is | ||
| * being made available as a public service. Pursuant to title 17 United States | ||
| * Code Section 105, works of NIST employees are not subject to copyright | ||
| * protection in the United States. This software may be subject to foreign | ||
| * copyright. Permission in the United States and in foreign countries, to the | ||
| * extent that NIST may hold copyright, to use, copy, modify, create derivative | ||
| * works, and distribute this software and its documentation without fee is hereby | ||
| * granted on a non-exclusive basis, provided that this notice and disclaimer | ||
| * of warranty appears in all copies. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER | ||
| * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY | ||
| * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM | ||
| * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE | ||
| * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT | ||
| * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT, | ||
| * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM, | ||
| * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY, | ||
| * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR | ||
| * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT | ||
| * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER. | ||
| */ | ||
|
|
||
| package gov.nist.secauto.metaschema.cli.commands.metapath; | ||
|
|
||
| import gov.nist.secauto.metaschema.cli.processor.CLIProcessor.CallingContext; | ||
| import gov.nist.secauto.metaschema.cli.processor.ExitCode; | ||
| import gov.nist.secauto.metaschema.cli.processor.ExitStatus; | ||
| import gov.nist.secauto.metaschema.cli.processor.command.AbstractTerminalCommand; | ||
| import gov.nist.secauto.metaschema.cli.processor.command.ICommandExecutor; | ||
| import gov.nist.secauto.metaschema.core.metapath.StaticContext; | ||
| import gov.nist.secauto.metaschema.core.metapath.function.FunctionService; | ||
| import gov.nist.secauto.metaschema.core.metapath.function.IArgument; | ||
| import gov.nist.secauto.metaschema.core.metapath.function.IFunction; | ||
|
|
||
| import org.apache.commons.cli.CommandLine; | ||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.Comparator; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| import edu.umd.cs.findbugs.annotations.NonNull; | ||
|
|
||
| public class ListFunctionsSubcommand | ||
| extends AbstractTerminalCommand { | ||
| private static final Logger LOGGER = LogManager.getLogger(ListFunctionsSubcommand.class); | ||
|
|
||
| @NonNull | ||
| private static final String COMMAND = "list-functions"; | ||
|
|
||
| @Override | ||
| public String getName() { | ||
| return COMMAND; | ||
| } | ||
|
|
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| @Override | ||
| public String getDescription() { | ||
| return "Get a listing of supported Metapath functions"; | ||
| } | ||
|
|
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| @Override | ||
| public ICommandExecutor newExecutor(CallingContext callingContext, CommandLine cmdLine) { | ||
| return ICommandExecutor.using(callingContext, cmdLine, this::executeCommand); | ||
| } | ||
|
|
||
| @SuppressWarnings({ | ||
| "PMD.OnlyOneReturn", // readability | ||
| "unused" | ||
| }) | ||
| protected ExitStatus executeCommand( | ||
| @NonNull CallingContext callingContext, | ||
| @NonNull CommandLine cmdLine) { | ||
|
|
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| Map<String, Map<String, List<IFunction>>> namespaceToNameToFunctionMap = FunctionService.getInstance().stream() | ||
| .collect(Collectors.groupingBy( | ||
| IFunction::getNamespace, | ||
| Collectors.groupingBy( | ||
| IFunction::getName, | ||
| Collectors.toList()))); | ||
|
|
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| Map<String, String> namespaceToPrefixMap = StaticContext.getWellKnownNamespaces().entrySet().stream() | ||
| .collect(Collectors.toMap(entry -> entry.getValue().toASCIIString(), Map.Entry::getKey)); | ||
|
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| List<String> namespaces = new ArrayList<>(namespaceToNameToFunctionMap.keySet()); | ||
|
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| Collections.sort(namespaces); | ||
|
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| for (String namespace : namespaces) { | ||
| String prefix = namespaceToPrefixMap.get(namespace); | ||
|
|
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| if (prefix == null) { | ||
| LOGGER.atInfo().log("In namespace '{}':", namespace); | ||
| } else { | ||
| LOGGER.atInfo().log("In namespace '{}' as '{}':", namespace, prefix); | ||
| } | ||
|
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| Map<String, List<IFunction>> namespacedFunctions = namespaceToNameToFunctionMap.get(namespace); | ||
|
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| List<String> names = new ArrayList<>(namespacedFunctions.keySet()); | ||
| Collections.sort(names); | ||
|
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| for (String name : names) { | ||
| List<IFunction> functions = namespacedFunctions.get(name); | ||
| Collections.sort(functions, Comparator.comparing(IFunction::arity)); | ||
|
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| for (IFunction function : functions) { | ||
| String functionRef = prefix == null | ||
| ? String.format("Q{%s}%s", function.getNamespace(), function.getName()) | ||
| : String.format("%s:%s", prefix, function.getName()); | ||
|
|
||
| LOGGER.atInfo().log(String.format("%s(%s) as %s", | ||
| functionRef, | ||
| function.getArguments().isEmpty() | ||
| ? "" | ||
| : function.getArguments().stream().map(IArgument::toSignature) | ||
| .collect(Collectors.joining(",")) | ||
| + (function.isArityUnbounded() ? ", ..." : ""), | ||
| function.getResult().toSignature())); | ||
| } | ||
| } | ||
| } | ||
| return ExitCode.OK.exit(); | ||
| } | ||
| } |
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