Java tutorial
/******************************************************************************* * Copyright (c) 2012 Arapiki Solutions Inc. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * "Peter Smith <psmith@arapiki.com>" - initial API and * implementation and/or initial documentation *******************************************************************************/ package com.buildml.main.commands; import java.io.FileNotFoundException; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.Options; import com.buildml.main.CliUtils; import com.buildml.main.ICliCommand; import com.buildml.model.BuildStoreFactory; import com.buildml.model.BuildStoreVersionException; import com.buildml.model.IBuildStore; /** * BuildML CLI Command class that implements the "upgrade" command. * * @author "Peter Smith <psmith@arapiki.com>" */ public class CliCommandUpgrade implements ICliCommand { /*=====================================================================================* * PUBLIC METHODS *=====================================================================================*/ /* (non-Javadoc) * @see com.buildml.main.ICliCommand#getLongDescription() */ @Override public String getLongDescription() { return CliUtils.genLocalizedMessage("#include commands/upgrade.txt"); } /*-------------------------------------------------------------------------------------*/ /* (non-Javadoc) * @see com.buildml.main.ICliCommand#getName() */ @Override public String getName() { return "upgrade"; } /*-------------------------------------------------------------------------------------*/ /* (non-Javadoc) * @see com.buildml.main.ICliCommand#getOptions() */ @Override public Options getOptions() { return new Options(); } /*-------------------------------------------------------------------------------------*/ /* (non-Javadoc) * @see com.buildml.main.ICliCommand#getParameterDescription() */ @Override public String getParameterDescription() { return ""; } /*-------------------------------------------------------------------------------------*/ /* (non-Javadoc) * @see com.buildml.main.ICliCommand#getShortDescription() */ @Override public String getShortDescription() { return "Upgrade an existing build.bml to the current schema version."; } /*-------------------------------------------------------------------------------------*/ /* (non-Javadoc) * @see com.buildml.main.ICliCommand#processOptions(org.apache.commons.cli.CommandLine) */ @Override public void processOptions(IBuildStore buildStore, CommandLine cmdLine) { /* empty */ } /*-------------------------------------------------------------------------------------*/ /* (non-Javadoc) * @see com.buildml.main.ICliCommand#invoke(com.buildml.model.BuildStore, java.lang.String[]) */ @Override public void invoke(IBuildStore buildStore, String buildStorePath, String[] args) { CliUtils.validateArgs(getName(), args, 0, 0, "No arguments required. Use -f global option to specify database name."); /* all is good */ try { BuildStoreFactory.upgradeBuildStore(buildStorePath); } catch (FileNotFoundException e) { CliUtils.reportErrorAndExit(e.getMessage()); } catch (BuildStoreVersionException e) { CliUtils.reportErrorAndExit(e.getMessage()); } System.out.println("Database is now at correct schema version."); } /*-------------------------------------------------------------------------------------*/ }