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com.aspectran.shell.command.builtins.TransletCommand Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2023 The Aspectran Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.aspectran.shell.command.builtins;
import com.aspectran.core.activity.TransletNotFoundException;
import com.aspectran.core.component.translet.TransletRuleRegistry;
import com.aspectran.core.context.rule.TransletRule;
import com.aspectran.core.context.rule.converter.RulesToParameters;
import com.aspectran.core.context.rule.params.TransletParameters;
import com.aspectran.core.context.rule.type.MethodType;
import com.aspectran.core.util.StringUtils;
import com.aspectran.core.util.apon.AponWriter;
import com.aspectran.shell.command.AbstractCommand;
import com.aspectran.shell.command.CommandLineParser;
import com.aspectran.shell.command.CommandRegistry;
import com.aspectran.shell.command.TransletCommandLine;
import com.aspectran.shell.command.option.Arguments;
import com.aspectran.shell.command.option.Option;
import com.aspectran.shell.command.option.ParsedOptions;
import com.aspectran.shell.console.Console;
import com.aspectran.shell.service.ShellService;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
public class TransletCommand extends AbstractCommand {
private static final String NAMESPACE = "builtins";
private static final String COMMAND_NAME = "translet";
private final CommandDescriptor descriptor = new CommandDescriptor();
public TransletCommand(CommandRegistry registry) {
super(registry);
addOption(Option.builder("l")
.longName("list")
.hasValues()
.optionalValue()
.valueName("keywords")
.desc("Print list of all translets or those filtered by given keywords")
.build());
addOption(Option.builder("la")
.longName("list-all")
.hasValues()
.optionalValue()
.valueName("keywords")
.desc("Print list of all translets or those filtered by given keywords (Include all translets that are not exposed)")
.build());
addOption(Option.builder("d")
.longName("detail")
.hasValues()
.optionalValue()
.valueName("translet_name")
.desc("Print detailed information for the translet")
.build());
addOption(Option.builder("da")
.longName("detail-all")
.hasValues()
.optionalValue()
.valueName("translet_name")
.desc("Print detailed information for the translet (Include all translets that are not exposed)")
.build());
addOption(Option.builder("m")
.longName("method")
.hasValue()
.optionalValue()
.valueName("request_method")
.desc("Specifies the request method for the translet\n(GET, PUT, POST, DELETE)")
.build());
addOption(Option.builder("v")
.longName("verbose")
.desc("Display description about the translet")
.build());
addOption(Option.builder("h")
.longName("help")
.desc("Display help for this command")
.build());
Arguments arguments = touchArguments();
arguments.put("", "Name of the translet to execute");
arguments.setRequired(false);
}
@Override
public void execute(ParsedOptions options, Console console) throws Exception {
ShellService service = getService();
if (options.hasOption("help")) {
printHelp(console);
} else if (options.hasOption("list")) {
String[] keywords = options.getValues("list");
listTranslets(service, console, keywords, false);
} else if (options.hasOption("list-all")) {
String[] keywords = options.getValues("list-all");
listTranslets(service, console, keywords, true);
} else if (options.hasOption("detail")) {
String[] transletNames = options.getValues("detail");
String method = options.getValue("method");
MethodType requestMethod = MethodType.resolve(method);
if (method != null && requestMethod == null) {
console.writeError("No request method type for '" + method + "'");
return;
}
describeTransletRule(service, console, transletNames, requestMethod, false);
} else if (options.hasOption("detail-all")) {
String[] transletNames = options.getValues("detail-all");
String method = options.getValue("method");
MethodType requestMethod = MethodType.resolve(method);
if (method != null && requestMethod == null) {
console.writeError("No request method type for '" + method + "'");
return;
}
describeTransletRule(service, console, transletNames, requestMethod, true);
} else if (options.hasArgs()) {
CommandLineParser lineParser = new CommandLineParser(options.getFirstArg());
TransletCommandLine transletCommandLine = new TransletCommandLine(lineParser);
boolean verbose = service.isVerbose();
try {
if (options.hasOption("verbose")) {
service.setVerbose(true);
}
service.translate(transletCommandLine, console);
} catch (TransletNotFoundException e) {
console.writeError("No translet mapped to '" + e.getTransletName() + "'");
} finally {
service.setVerbose(verbose);
}
} else {
printQuickHelp(console);
}
}
private void listTranslets(ShellService service, Console console, String[] keywords, boolean all) {
TransletRuleRegistry transletRuleRegistry = service.getActivityContext().getTransletRuleRegistry();
Collection transletRules = transletRuleRegistry.getTransletRules();
console.writeLine("-%4s-+-%-67s-", "----", "-------------------------------------------------------------------");
console.writeLine(" %4s | %-67s ", "No.", "Translet Name");
console.writeLine("-%4s-+-%-67s-", "----", "-------------------------------------------------------------------");
int num = 0;
for (TransletRule transletRule : transletRules) {
String transletName = transletRule.getName();
if (!all && !service.isExposable(transletName)) {
continue;
}
if (keywords != null) {
boolean exists = false;
for (String keyw : keywords) {
if (transletName.toLowerCase().contains(keyw.toLowerCase())) {
exists = true;
break;
}
}
if (!exists) {
continue;
}
}
MethodType[] requestMethods = transletRule.getAllowedMethods();
if (requestMethods != null) {
transletName = StringUtils.toDelimitedString(requestMethods, ",") + " " + transletName;
}
console.writeLine("%5d | %s", ++num, transletName);
}
if (num == 0) {
console.writeLine("%33s %s", " ", "No Data");
}
console.writeLine("-%4s-+-%-67s-", "----", "-------------------------------------------------------------------");
}
private void describeTransletRule(ShellService service, Console console, String[] transletNames, MethodType requestMethod, boolean all)
throws IOException {
TransletRuleRegistry transletRuleRegistry = service.getActivityContext().getTransletRuleRegistry();
Collection transletRules;
if (transletNames == null || transletNames.length == 0) {
transletRules = transletRuleRegistry.getTransletRules();
} else {
transletRules = new ArrayList<>();
for (String transletName : transletNames) {
TransletRule transletRule;
if (requestMethod != null) {
transletRule = transletRuleRegistry.getTransletRule(transletName, requestMethod);
} else {
MethodType requestMethod2 = null;
for (MethodType methodType : MethodType.values()) {
if (transletName.startsWith(methodType.name() + " ")) {
requestMethod2 = methodType;
transletName = transletName.substring(methodType.name().length()).trim();
}
}
if (requestMethod2 != null) {
transletRule = transletRuleRegistry.getTransletRule(transletName, requestMethod2);
} else {
transletRule = transletRuleRegistry.getTransletRule(transletName);
}
}
if (transletRule == null) {
try {
int num = Integer.parseInt(transletName) - 1;
transletRule = transletRuleRegistry.getTransletRules().toArray(new TransletRule[0])[num];
} catch (Exception e) {
// ignore
}
}
if (transletRule == null) {
if (requestMethod != null) {
console.writeError("Unknown translet: " + requestMethod + " " + transletName);
} else {
console.writeError("Unknown translet: " + transletName);
}
return;
}
transletRules.add(transletRule);
}
}
int count = 0;
for (TransletRule transletRule : transletRules) {
if (!all && !service.isExposable(transletRule.getName())) {
continue;
}
TransletParameters transletParameters = RulesToParameters.toTransletParameters(transletRule);
if (count == 0) {
console.writeLine("----------------------------------------------------------------------------");
}
AponWriter aponWriter = new AponWriter(console.getWriter()).nullWritable(false);
aponWriter.write(transletParameters);
console.writeLine("----------------------------------------------------------------------------");
count++;
}
}
@Override
public Descriptor getDescriptor() {
return descriptor;
}
private static class CommandDescriptor implements Descriptor {
@Override
public String getNamespace() {
return NAMESPACE;
}
@Override
public String getName() {
return COMMAND_NAME;
}
@Override
public String getDescription() {
return "Translet run, or you can find them";
}
@Override
public String getUsage() {
return null;
}
}
}
