package org.bladerunnerjs.plugin.plugins.commands.standard;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.commons.io.FileUtils;
import org.bladerunnerjs.logging.Logger;
import org.bladerunnerjs.model.App;
import org.bladerunnerjs.model.BRJS;
import org.bladerunnerjs.model.exception.ModelOperationException;
import org.bladerunnerjs.model.exception.command.CommandArgumentsException;
import org.bladerunnerjs.model.exception.command.CommandOperationException;
import org.bladerunnerjs.model.exception.command.DirectoryAlreadyExistsCommandException;
import org.bladerunnerjs.model.exception.command.DirectoryDoesNotExistCommandException;
import org.bladerunnerjs.model.exception.command.DirectoryNotEmptyCommandException;
import org.bladerunnerjs.model.exception.command.NodeDoesNotExistException;
import org.bladerunnerjs.plugin.utility.command.ArgsParsingCommandPlugin;
import org.bladerunnerjs.utility.RelativePathUtility;
import com.martiansoftware.jsap.JSAP;
import com.martiansoftware.jsap.JSAPException;
import com.martiansoftware.jsap.JSAPResult;
import com.martiansoftware.jsap.Switch;
import com.martiansoftware.jsap.UnflaggedOption;
public class BuildAppCommand extends ArgsParsingCommandPlugin {
public class Messages {
public static final String APP_BUILT_CONSOLE_MSG = "Built app '%s' available at '%s'";
public static final String UNABLE_TO_DELETE_BULIT_APP_EXCEPTION = "Unable to automatically delete a previously built app at %s, possibly because its being used by another process. "+
"The app will be exported to %s instead.";
}
private BRJS brjs;
private Logger logger;
private class Parameters {
public static final String APP_NAME = "app-name";
public static final String TARGET_DIR = "target-dir";
}
@Override
protected void configureArgsParser(JSAP argsParser) throws JSAPException {
argsParser.registerParameter(new UnflaggedOption(Parameters.APP_NAME).setRequired(true).setHelp("the application within which the new blade will be created"));
argsParser.registerParameter(new UnflaggedOption(Parameters.TARGET_DIR).setHelp("the directory within which the exported app will be built"));
argsParser.registerParameter(new Switch("war").setShortFlag('w').setLongFlag("war").setDefault("false").setHelp("whether the exported files should be placed into a war zip."));
}
@Override
public void setBRJS(BRJS brjs) {
this.brjs = brjs;
this.logger = brjs.logger(this.getClass());
}
@Override
public String getCommandName() {
return "build-app";
}
@Override
public String getCommandDescription() {
return "Build an application so that it can be deployed on web server.";
}
@Override
protected int doCommand(JSAPResult parsedArgs) throws CommandArgumentsException, CommandOperationException {
String appName = parsedArgs.getString(Parameters.APP_NAME);
String targetDirPath = parsedArgs.getString(Parameters.TARGET_DIR);
boolean warExport = parsedArgs.getBoolean("war");
boolean hasExplicitExportDirArg = (targetDirPath != null);
App app = brjs.app(appName);
File targetDir = brjs.storageDir("built-apps");
File appExportDir;
File warExportFile;
if (hasExplicitExportDirArg)
{
targetDir = new File(targetDirPath);
if (!targetDir.isDirectory())
{
targetDir = brjs.file("sdk/" + targetDirPath);
}
appExportDir = targetDir;
warExportFile = new File(targetDir, appName+".war");
}
else {
appExportDir = new File(targetDir, appName);
warExportFile = new File(targetDir, appName+".war");
if (warExport && warExportFile.exists()) {
boolean deleted = FileUtils.deleteQuietly(warExportFile);
if (!deleted) {
File oldWarExportFile = warExportFile;
warExportFile = new File(targetDir, appName+"_"+getBuiltAppTimestamp()+".war");
brjs.logger(this.getClass()).warn( Messages.UNABLE_TO_DELETE_BULIT_APP_EXCEPTION, RelativePathUtility.get(brjs.getFileInfoAccessor(), app.dir(), oldWarExportFile), RelativePathUtility.get(brjs.getFileInfoAccessor(), app.dir(), warExportFile));
}
} else if (!warExport && appExportDir.exists()){
boolean deleted = FileUtils.deleteQuietly(appExportDir);
if (!deleted) {
File oldAppExportDir = appExportDir;
appExportDir = new File(targetDir, appName+"_"+getBuiltAppTimestamp());
brjs.logger(this.getClass()).warn( Messages.UNABLE_TO_DELETE_BULIT_APP_EXCEPTION, RelativePathUtility.get(brjs.getFileInfoAccessor(), app.dir(), oldAppExportDir), RelativePathUtility.get(brjs.getFileInfoAccessor(), app.dir(), appExportDir));
}
}
targetDir.mkdirs();
}
if(!app.dirExists()) throw new NodeDoesNotExistException(app, this);
if(!targetDir.isDirectory()) throw new DirectoryDoesNotExistCommandException(targetDirPath, this);
try {
if (warExport) {
if(warExportFile.exists()) throw new DirectoryAlreadyExistsCommandException(warExportFile.getPath(), this);
app.buildWar(warExportFile);
logger.println(Messages.APP_BUILT_CONSOLE_MSG, appName, warExportFile.getCanonicalPath());
} else {
if (hasExplicitExportDirArg) {
if (appExportDir.listFiles().length > 0) throw new DirectoryNotEmptyCommandException(appExportDir.getPath(), this);
} else {
appExportDir.mkdir();
}
app.build(appExportDir);
logger.println(Messages.APP_BUILT_CONSOLE_MSG, appName, appExportDir.getCanonicalPath());
}
}
catch (ModelOperationException | IOException e) {
throw new CommandOperationException(e);
}
return 0;
}
private String getBuiltAppTimestamp() {
Date date = new Date();
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddhmmss");
return sdf.format(date);
}
}