org.opennms.netmgt.config.tester.ConfigTester.java Source code

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Here is the source code for org.opennms.netmgt.config.tester.ConfigTester.java

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/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2011-2014 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2014 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with OpenNMS(R).  If not, see:
 *      http://www.gnu.org/licenses/
 *
 * For more information contact:
 *     OpenNMS(R) Licensing <license@opennms.org>
 *     http://www.opennms.org/
 *     http://www.opennms.com/
 *******************************************************************************/

package org.opennms.netmgt.config.tester;

import java.util.Map;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;
import org.opennms.core.db.DataSourceFactory;
import org.opennms.core.spring.BeanUtils;
import org.opennms.netmgt.filter.FilterDaoFactory;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class ConfigTester implements ApplicationContextAware {
    private ApplicationContext m_context;
    private Map<String, String> m_configs;

    public Map<String, String> getConfigs() {
        return m_configs;
    }

    public void setConfigs(Map<String, String> configs) {
        m_configs = configs;
    }

    public ApplicationContext getApplicationContext() {
        return m_context;
    }

    @Override
    public void setApplicationContext(ApplicationContext context) throws BeansException {
        m_context = context;
    }

    public void testConfig(String name, boolean ignoreUnknown) {
        checkConfigNameValid(name, ignoreUnknown);

        m_context.getBean(m_configs.get(name));
    }

    private void checkConfigNameValid(String name, boolean ignoreUnknown) {
        if (!m_configs.containsKey(name)) {
            if (ignoreUnknown) {
                System.err.println("Unknown configuration: " + name + "... skipping.");
            } else {
                throw new IllegalArgumentException("config '" + name + "' is not a known config name");
            }
        }
    }

    public static void main(String[] argv) {

        FilterDaoFactory.setInstance(new ConfigTesterFilterDao());
        DataSourceFactory.setInstance(new ConfigTesterDataSource());
        ConfigTester tester = BeanUtils.getBean("configTesterContext", "configTester", ConfigTester.class);

        final CommandLineParser parser = new PosixParser();

        final Options options = new Options();
        options.addOption("h", "help", false, "print this help and exit");
        options.addOption("a", "all", false, "check all supported configuration files");
        options.addOption("l", "list", false, "list supported configuration files and exit");
        options.addOption("v", "verbose", false, "list each configuration file as it is tested");
        options.addOption("i", "ignore-unknown", false,
                "ignore unknown configuration files and continue processing");

        final CommandLine line;
        try {
            line = parser.parse(options, argv, false);
        } catch (ParseException e) {
            System.err.println("Invalid usage: " + e.getMessage());
            System.err.println("Run 'config-tester -h' for help.");
            System.exit(1);

            return; // not reached; here to eliminate warning on line being uninitialized
        }

        final boolean ignoreUnknown = line.hasOption("i");

        if ((line.hasOption('l') || line.hasOption('h') || line.hasOption('a'))) {
            if (line.getArgList().size() > 0) {
                System.err
                        .println("Invalid usage: No arguments allowed when using the '-a', '-h', or '-l' options.");
                System.err.println("Run 'config-tester -h' for help.");
                System.exit(1);
            }
        } else {
            if (line.getArgs().length == 0) {
                System.err.println("Invalid usage: too few arguments.  Use the '-h' option for help.");
                System.exit(1);
            }
        }

        boolean verbose = line.hasOption('v');

        DataSourceFactory.setInstance(new ConfigTesterDataSource());

        if (line.hasOption('l')) {
            System.out.println("Supported configuration files: ");
            for (String configFile : tester.getConfigs().keySet()) {
                System.out.println("    " + configFile);
            }
            System.out.println("Note: not all OpenNMS configuration files are currently supported.");
        } else if (line.hasOption('h')) {
            final HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp(
                    "config-tester -a\nOR: config-tester [config files]\nOR: config-tester -l\nOR: config-tester -h",
                    options);
        } else if (line.hasOption('a')) {
            for (String configFile : tester.getConfigs().keySet()) {
                tester.testConfig(configFile, verbose, ignoreUnknown);
            }
        } else {
            for (String configFile : line.getArgs()) {
                tester.testConfig(configFile, verbose, ignoreUnknown);
            }
        }
    }

    private void testConfig(String configFile, boolean verbose, boolean ignoreUnknown) {
        if (verbose) {
            System.out.print("Testing " + configFile + " ... ");
        }

        long start = System.currentTimeMillis();
        testConfig(configFile, ignoreUnknown);
        long end = System.currentTimeMillis();

        if (verbose) {
            System.out.println("OK (" + (((float) (end - start)) / 1000) + "s)");
        }
    }
}