/*-
* ============LICENSE_START=======================================================
- * Copyright (C) 2019 Nordix Foundation.
- * Modifications Copyright (C) 2019 AT&T Intellectual Property.
+ * Copyright (C) 2019-2021 Nordix Foundation.
+ * Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
package org.onap.policy.pap.main.startstop;
-import java.io.File;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.net.URL;
-import java.util.Arrays;
-
-import org.apache.commons.cli.CommandLine;
-import org.apache.commons.cli.DefaultParser;
-import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
-import org.apache.commons.cli.Options;
-import org.apache.commons.cli.ParseException;
-import org.onap.policy.common.utils.resources.ResourceUtils;
-import org.onap.policy.pap.main.PolicyPapException;
+import org.onap.policy.common.utils.cmd.CommandLineArgumentsHandler;
+import org.onap.policy.common.utils.cmd.CommandLineException;
+import org.onap.policy.common.utils.resources.MessageConstants;
import org.onap.policy.pap.main.PolicyPapRuntimeException;
-
/**
* This class reads and handles command line parameters for the policy pap service.
*
* @author Ram Krishna Verma (ram.krishna.verma@est.tech)
*/
-public class PapCommandLineArguments {
- private static final String FILE_MESSAGE_PREAMBLE = " file \"";
- private static final int HELP_LINE_LENGTH = 120;
+public class PapCommandLineArguments extends CommandLineArgumentsHandler {
- private final Options options;
- private String configurationFilePath = null;
- private String propertyFilePath = null;
+ protected static final String GROUP_FILE_OPTION = "g";
+ protected static final String GROUP_FILE_LONG_OPTION = "groups-file";
+ public static final String GROUP_FILE_ARG_NAME = "GROUP_FILE";
+
+ protected static final String DEFAULT_GROUP_RESOURCE = "PapDb.json";
/**
* Construct the options for the CLI editor.
*/
public PapCommandLineArguments() {
- //@formatter:off
- options = new Options();
- options.addOption(Option.builder("h")
- .longOpt("help")
- .desc("outputs the usage of this command")
- .required(false)
- .type(Boolean.class)
- .build());
- options.addOption(Option.builder("v")
- .longOpt("version")
- .desc("outputs the version of policy pap")
- .required(false)
- .type(Boolean.class)
- .build());
- options.addOption(Option.builder("c")
- .longOpt("config-file")
- .desc("the full path to the configuration file to use, "
- + "the configuration file must be a Json file containing the policy pap parameters")
- .hasArg()
- .argName("CONFIG_FILE")
- .required(false)
- .type(String.class)
- .build());
- options.addOption(Option.builder("p")
- .longOpt("property-file")
- .desc("the full path to the topic property file to use, "
- + "the property file contains the policy pap topic properties")
- .hasArg()
- .argName("PROP_FILE")
- .required(false)
- .type(String.class)
- .build());
- //@formatter:on
+ super(Main.class.getName(), MessageConstants.POLICY_PAP, customOptionG());
+ }
+
+ private static Option customOptionG() {
+ return Option.builder(GROUP_FILE_OPTION).longOpt(GROUP_FILE_LONG_OPTION)
+ .desc("the full path to the groups file to use, "
+ + "the groups file contains the group configuration added to the DB")
+ .hasArg().argName(GROUP_FILE_ARG_NAME).required(false).type(String.class).build();
+ }
+
+ protected String getPdpGroupsConfiguration() {
+ return this.getCommandLine()
+ .getOptionValue(GROUP_FILE_OPTION, DEFAULT_GROUP_RESOURCE);
+ }
+
+ @Override
+ public void validate() throws CommandLineException {
+ super.validate();
+ String groupConfig = getPdpGroupsConfiguration();
+ if (!groupConfig.equals(DEFAULT_GROUP_RESOURCE)) {
+ validateReadableFile(MessageConstants.POLICY_PAP, groupConfig);
+ }
}
/**
* @param args The command line arguments
*/
public PapCommandLineArguments(final String[] args) {
- // Set up the options with the default constructor
this();
- // Parse the arguments
try {
parse(args);
- } catch (final PolicyPapException e) {
+ } catch (final CommandLineException e) {
throw new PolicyPapRuntimeException("parse error on policy pap parameters", e);
}
}
-
- /**
- * Parse the command line options.
- *
- * @param args The command line arguments
- * @return a string with a message for help and version, or null if there is no message
- * @throws PolicyPapException on command argument errors
- */
- public String parse(final String[] args) throws PolicyPapException {
- // Clear all our arguments
- setConfigurationFilePath(null);
- setPropertyFilePath(null);
-
- CommandLine commandLine = null;
- try {
- commandLine = new DefaultParser().parse(options, args);
- } catch (final ParseException e) {
- throw new PolicyPapException("invalid command line arguments specified : " + e.getMessage());
- }
-
- // Arguments left over after Commons CLI does its stuff
- final String[] remainingArgs = commandLine.getArgs();
-
- if (remainingArgs.length > 0 && commandLine.hasOption('c') || remainingArgs.length > 0) {
- throw new PolicyPapException("too many command line arguments specified : " + Arrays.toString(args));
- }
-
- if (remainingArgs.length == 1) {
- configurationFilePath = remainingArgs[0];
- }
-
- if (commandLine.hasOption('h')) {
- return help(Main.class.getName());
- }
-
- if (commandLine.hasOption('v')) {
- return version();
- }
-
- if (commandLine.hasOption('c')) {
- setConfigurationFilePath(commandLine.getOptionValue('c'));
- }
-
- if (commandLine.hasOption('p')) {
- setPropertyFilePath(commandLine.getOptionValue('p'));
- }
-
- return null;
- }
-
- /**
- * Validate the command line options.
- *
- * @throws PolicyPapException on command argument validation errors
- */
- public void validate() throws PolicyPapException {
- validateReadableFile("policy pap configuration", configurationFilePath);
- validateReadableFile("policy pap properties", propertyFilePath);
- }
-
- /**
- * Print version information for policy pap.
- *
- * @return the version string
- */
- public String version() {
- return ResourceUtils.getResourceAsString("version.txt");
- }
-
- /**
- * Print help information for policy pap.
- *
- * @param mainClassName the main class name
- * @return the help string
- */
- public String help(final String mainClassName) {
- final HelpFormatter helpFormatter = new HelpFormatter();
- final StringWriter stringWriter = new StringWriter();
- final PrintWriter printWriter = new PrintWriter(stringWriter);
-
- helpFormatter.printHelp(printWriter, HELP_LINE_LENGTH, mainClassName + " [options...]", "options", options, 0,
- 0, "");
-
- return stringWriter.toString();
- }
-
- /**
- * Gets the configuration file path.
- *
- * @return the configuration file path
- */
- public String getConfigurationFilePath() {
- return configurationFilePath;
- }
-
- /**
- * Gets the full expanded configuration file path.
- *
- * @return the configuration file path
- */
- public String getFullConfigurationFilePath() {
- return ResourceUtils.getFilePath4Resource(getConfigurationFilePath());
- }
-
- /**
- * Sets the configuration file path.
- *
- * @param configurationFilePath the configuration file path
- */
- public void setConfigurationFilePath(final String configurationFilePath) {
- this.configurationFilePath = configurationFilePath;
-
- }
-
- /**
- * Check set configuration file path.
- *
- * @return true, if check set configuration file path
- */
- public boolean checkSetConfigurationFilePath() {
- return configurationFilePath != null && configurationFilePath.length() > 0;
- }
-
- /**
- * Gets the property file path.
- *
- * @return the property file path
- */
- public String getPropertyFilePath() {
- return propertyFilePath;
- }
-
- /**
- * Gets the full expanded property file path.
- *
- * @return the property file path
- */
- public String getFullPropertyFilePath() {
- return ResourceUtils.getFilePath4Resource(getPropertyFilePath());
- }
-
- /**
- * Sets the property file path.
- *
- * @param propertyFilePath the property file path
- */
- public void setPropertyFilePath(final String propertyFilePath) {
- this.propertyFilePath = propertyFilePath;
-
- }
-
- /**
- * Check set property file path.
- *
- * @return true, if check set property file path
- */
- public boolean checkSetPropertyFilePath() {
- return propertyFilePath != null && propertyFilePath.length() > 0;
- }
-
- /**
- * Validate readable file.
- *
- * @param fileTag the file tag
- * @param fileName the file name
- * @throws PolicyPapException on the file name passed as a parameter
- */
- private void validateReadableFile(final String fileTag, final String fileName) throws PolicyPapException {
- if (fileName == null || fileName.length() == 0) {
- throw new PolicyPapException(fileTag + " file was not specified as an argument");
- }
-
- // The file name refers to a resource on the local file system
- final URL fileUrl = ResourceUtils.getUrl4Resource(fileName);
- if (fileUrl == null) {
- throw new PolicyPapException(fileTag + FILE_MESSAGE_PREAMBLE + fileName + "\" does not exist");
- }
-
- final File theFile = new File(fileUrl.getPath());
- if (!theFile.exists()) {
- throw new PolicyPapException(fileTag + FILE_MESSAGE_PREAMBLE + fileName + "\" does not exist");
- }
- if (!theFile.isFile()) {
- throw new PolicyPapException(fileTag + FILE_MESSAGE_PREAMBLE + fileName + "\" is not a normal file");
- }
- if (!theFile.canRead()) {
- throw new PolicyPapException(fileTag + FILE_MESSAGE_PREAMBLE + fileName + "\" is ureadable");
- }
- }
}