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com.aspectran.daemon.command.builtins.ComponentCommand Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2024 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.daemon.command.builtins;
import com.aspectran.core.activity.request.ParameterMap;
import com.aspectran.core.component.aspect.AspectRuleRegistry;
import com.aspectran.core.component.schedule.ScheduleRuleRegistry;
import com.aspectran.core.component.translet.TransletRuleRegistry;
import com.aspectran.core.context.rule.AspectRule;
import com.aspectran.core.context.rule.ScheduleRule;
import com.aspectran.core.context.rule.ScheduledJobRule;
import com.aspectran.core.context.rule.TransletRule;
import com.aspectran.core.context.rule.converter.RulesToParameters;
import com.aspectran.core.context.rule.params.AspectParameters;
import com.aspectran.core.context.rule.params.ScheduleParameters;
import com.aspectran.core.context.rule.params.TransletParameters;
import com.aspectran.core.context.rule.type.MethodType;
import com.aspectran.daemon.command.AbstractCommand;
import com.aspectran.daemon.command.CommandParameters;
import com.aspectran.daemon.command.CommandRegistry;
import com.aspectran.daemon.command.CommandResult;
import com.aspectran.daemon.service.DaemonService;
import com.aspectran.utils.StringUtils;
import com.aspectran.utils.annotation.jsr305.NonNull;
import com.aspectran.utils.apon.AponFormat;
import com.aspectran.utils.apon.AponWriter;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Arrays;
import java.util.Collection;
import java.util.Formatter;
import java.util.LinkedHashSet;
import java.util.Set;
/**
* A daemon command that displays detailed information about an aspect,
* translet, or scheduled job, and can control its active state.
*/
public class ComponentCommand extends AbstractCommand {
private static final String NAMESPACE = "builtins";
private static final String COMMAND_NAME = "component";
private final CommandDescriptor descriptor = new CommandDescriptor();
public ComponentCommand(CommandRegistry registry) {
super(registry);
}
@Override
public CommandResult execute(CommandParameters parameters) {
DaemonService daemonService = getDaemonService();
try {
ParameterMap parameterMap = parameters.getParameterMap();
if (parameterMap == null) {
return failed(error("No parameters specified"));
}
String type = parameterMap.getParameter("type");
String mode = parameterMap.getParameter("mode");
String[] targets = parameterMap.getParameterValues("targets");
if (!StringUtils.hasLength(type)) {
return failed(error("Component type is not specified"));
}
switch (type) {
case "aspect":
switch (mode) {
case "list":
return listAspects(daemonService, targets);
case "detail":
return describeAspectRule(daemonService, targets);
case "enable":
return changeAspectActiveState(daemonService, targets, false);
case "disable":
return changeAspectActiveState(daemonService, targets, true);
}
break;
case "translet": {
switch (mode) {
case "list":
return listTranslets(daemonService, targets, false);
case "list-all":
return listTranslets(daemonService, targets, true);
case "detail":
return describeTransletRule(daemonService, targets, false);
case "detail-all":
return describeTransletRule(daemonService, targets, true);
}
break;
}
case "job": {
switch (mode) {
case "list":
return listScheduledJobs(daemonService, targets);
case "detail":
return describeScheduledJobRule(daemonService, targets);
case "enable":
return changeJobActiveState(daemonService, targets, false);
case "disable":
return changeJobActiveState(daemonService, targets, true);
}
break;
}
default:
return failed(error("Unknown component type: " + type));
}
return failed(error("Unknown mode: " + type));
} catch (Exception e) {
return failed(e);
}
}
private CommandResult listAspects(@NonNull DaemonService daemonService, String[] keywords) {
AspectRuleRegistry aspectRuleRegistry = daemonService.getActivityContext().getAspectRuleRegistry();
Collection aspectRules = aspectRuleRegistry.getAspectRules();
Formatter formatter = new Formatter();
formatter.format("-%4s-+-%-45s-+-%-8s-+-%-8s-%n", "----", "---------------------------------------------",
"--------", "--------");
formatter.format(" %4s | %-45s | %-8s | %-8s %n", "No.", "Aspect ID", "Isolated", "Enabled");
formatter.format("-%4s-+-%-45s-+-%-8s-+-%-8s-%n", "----", "---------------------------------------------",
"--------", "--------");
int num = 0;
for (AspectRule aspectRule : aspectRules) {
if (keywords != null) {
boolean exists = false;
for (String keyw : keywords) {
if (aspectRule.getId().toLowerCase().contains(keyw.toLowerCase())) {
exists = true;
break;
}
}
if (!exists) {
continue;
}
}
formatter.format("%5d | %-45s | %-8s | %-8s %n", ++num, aspectRule.getId(), aspectRule.isIsolated(),
!aspectRule.isDisabled());
}
if (num == 0) {
formatter.format("%33s %s%n", " ", "No Data");
}
formatter.format("-%4s-+-%-45s-+-%-8s-+-%-8s-", "----", "---------------------------------------------",
"--------", "--------");
return success(formatter.toString());
}
private CommandResult describeAspectRule(@NonNull DaemonService daemonService, String[] targets)
throws IOException {
AspectRuleRegistry aspectRuleRegistry = daemonService.getActivityContext().getAspectRuleRegistry();
Collection aspectRules;
if (targets == null || targets.length == 0) {
aspectRules = aspectRuleRegistry.getAspectRules();
} else {
aspectRules = new LinkedHashSet<>();
for (String aspectId : targets) {
AspectRule aspectRule = aspectRuleRegistry.getAspectRule(aspectId);
if (aspectRule == null) {
return failed(error("Unknown aspect: " + aspectId));
}
aspectRules.add(aspectRule);
}
}
int count = 0;
StringWriter writer = new StringWriter();
for (AspectRule aspectRule : aspectRules) {
AspectParameters aspectParameters = RulesToParameters.toAspectParameters(aspectRule);
if (count > 0) {
writer.write("----------------------------------------------------------------------------");
writer.write(AponFormat.SYSTEM_NEW_LINE);
}
AponWriter aponWriter = new AponWriter(writer).nullWritable(false);
aponWriter.write(aspectParameters);
count++;
}
if (count == 0) {
return success("No aspects");
} else {
return success(writer.toString().trim());
}
}
private CommandResult changeAspectActiveState(DaemonService daemonService, String[] targets, boolean disabled) {
if (targets == null || targets.length == 0) {
return failed(error("Please specify aspects to be enabled or disabled"));
}
AspectRuleRegistry aspectRuleRegistry = daemonService.getActivityContext().getAspectRuleRegistry();
Set aspectRules = new LinkedHashSet<>();
for (String aspectId : targets) {
AspectRule aspectRule = aspectRuleRegistry.getAspectRule(aspectId);
if (aspectRule == null) {
return failed(error("Unknown aspect: " + aspectId));
}
if (aspectRule.isIsolated()) {
return failed(error("Can not be disabled or enabled for isolated Aspect '" + aspectId + "'"));
}
aspectRules.add(aspectRule);
}
Formatter formatter = new Formatter();
for (AspectRule aspectRule : aspectRules) {
if (disabled) {
if (aspectRule.isDisabled()) {
formatter.format("Aspect '%s' is already inactive%n", aspectRule.getId());
} else {
aspectRule.setDisabled(true);
formatter.format("Aspect '%s' is now inactive%n", aspectRule.getId());
}
} else {
if (!aspectRule.isDisabled()) {
formatter.format("Aspect '%s' is already active%n", aspectRule.getId());
} else {
aspectRule.setDisabled(false);
formatter.format("Aspect '%s' is now active%n", aspectRule.getId());
}
}
}
return success(formatter.toString());
}
private CommandResult listTranslets(@NonNull DaemonService daemonService, String[] keywords, boolean all) {
TransletRuleRegistry transletRuleRegistry = daemonService.getActivityContext().getTransletRuleRegistry();
Collection transletRules = transletRuleRegistry.getTransletRules();
Formatter formatter = new Formatter();
formatter.format("-%4s-+-%-67s-%n", "----", "-------------------------------------------------------------------");
formatter.format(" %4s | %-67s %n", "No.", "Translet Name");
formatter.format("-%4s-+-%-67s-%n", "----", "-------------------------------------------------------------------");
int num = 0;
for (TransletRule transletRule : transletRules) {
String transletName = transletRule.getName();
if (!all && !daemonService.isAcceptable(transletName)) {
continue;
}
if (keywords != null) {
boolean exists = false;
for (String kw : keywords) {
if (transletName.toLowerCase().contains(kw.toLowerCase())) {
exists = true;
break;
}
}
if (!exists) {
continue;
}
}
MethodType[] requestMethods = transletRule.getAllowedMethods();
if (requestMethods != null) {
transletName = StringUtils.toDelimitedString(requestMethods, ",") + " " + transletName;
}
formatter.format("%5d | %s%n", ++num, transletName);
}
if (num == 0) {
formatter.format("%33s %s%n", " ", "No Data");
}
formatter.format("-%4s-+-%-67s-", "----", "-------------------------------------------------------------------");
return success(formatter.toString());
}
private CommandResult describeTransletRule(@NonNull DaemonService daemonService, String[] targets, boolean all)
throws IOException {
TransletRuleRegistry transletRuleRegistry = daemonService.getActivityContext().getTransletRuleRegistry();
Collection transletRules;
if (targets == null || targets.length == 0) {
transletRules = transletRuleRegistry.getTransletRules();
} else {
transletRules = new LinkedHashSet<>();
for (String transletName : targets) {
MethodType requestMethod = null;
for (MethodType methodType : MethodType.values()) {
if (transletName.startsWith(methodType.name() + " ")) {
transletName = transletName.substring(methodType.name().length() + 1).trim();
requestMethod = methodType;
break;
}
}
TransletRule transletRule;
if (requestMethod != null) {
transletRule = transletRuleRegistry.getTransletRule(transletName, requestMethod);
} else {
transletRule = transletRuleRegistry.getTransletRule(transletName);
}
if (transletRule == null) {
return failed(error("Unknown translet: " + targets[0]));
}
transletRules.add(transletRule);
}
}
int count = 0;
StringWriter writer = new StringWriter();
for (TransletRule transletRule : transletRules) {
if (!all && !daemonService.isAcceptable(transletRule.getName())) {
continue;
}
TransletParameters transletParameters = RulesToParameters.toTransletParameters(transletRule);
if (count > 0) {
writer.write("----------------------------------------------------------------------------");
writer.write(AponFormat.SYSTEM_NEW_LINE);
}
AponWriter aponWriter = new AponWriter(writer).nullWritable(false);
aponWriter.write(transletParameters);
count++;
}
if (count == 0) {
return success("No translets");
} else {
return success(writer.toString().trim());
}
}
private CommandResult listScheduledJobs(@NonNull DaemonService daemonService, String[] keywords) {
Collection scheduleRules = daemonService.getActivityContext().getScheduleRuleRegistry().getScheduleRules();
Formatter formatter = new Formatter();
formatter.format("-%4s-+-%-20s-+-%-33s-+-%-8s-%n", "----", "--------------------",
"---------------------------------", "--------");
formatter.format(" %4s | %-20s | %-33s | %-8s %n", "No.", "Schedule ID", "Job Name", "Enabled");
formatter.format("-%4s-+-%-20s-+-%-33s-+-%-8s-%n", "----", "--------------------",
"---------------------------------", "--------");
int num = 0;
for (ScheduleRule scheduleRule : scheduleRules) {
for (ScheduledJobRule jobRule : scheduleRule.getScheduledJobRuleList()) {
if (keywords != null) {
boolean exists = false;
for (String keyw : keywords) {
if (jobRule.getTransletName().toLowerCase().contains(keyw.toLowerCase())) {
exists = true;
break;
}
}
if (!exists) {
continue;
}
}
formatter.format("%5d | %-20s | %-33s | %-8s %n", ++num, scheduleRule.getId(),
jobRule.getTransletName(), !jobRule.isDisabled());
}
}
if (num == 0) {
formatter.format("%33s %s%n", " ", "No Data");
}
formatter.format("-%4s-+-%-20s-+-%-33s-+-%-8s-", "----", "--------------------",
"---------------------------------", "--------");
return success(formatter.toString());
}
private CommandResult describeScheduledJobRule(@NonNull DaemonService daemonService, String[] targets)
throws IOException {
ScheduleRuleRegistry scheduleRuleRegistry = daemonService.getActivityContext().getScheduleRuleRegistry();
if (targets == null || targets.length == 0) {
Writer writer = new StringWriter();
int count = 0;
for (ScheduleRule scheduleRule : scheduleRuleRegistry.getScheduleRules()) {
ScheduleParameters scheduleParameters = RulesToParameters.toScheduleParameters(scheduleRule);
if (count > 0) {
writer.write("----------------------------------------------------------------------------");
writer.write(AponFormat.SYSTEM_NEW_LINE);
}
AponWriter aponWriter = new AponWriter(writer).nullWritable(false);
aponWriter.write(scheduleParameters);
count++;
}
if (count == 0) {
return success("No scheduled jobs");
} else {
return success(writer.toString().trim());
}
} else {
Set transletNames = new LinkedHashSet<>();
for (ScheduleRule scheduleRule : scheduleRuleRegistry.getScheduleRules()) {
for (ScheduledJobRule jobRule : scheduleRule.getScheduledJobRuleList()) {
for (String transletName : targets) {
if (jobRule.getTransletName().equals(transletName)) {
transletNames.add(jobRule.getTransletName());
}
}
}
}
if (transletNames.isEmpty()) {
return failed(error("Unknown scheduled jobs " + Arrays.toString(targets)));
}
int count = 0;
Writer writer = new StringWriter();
for (ScheduleRule scheduleRule : scheduleRuleRegistry.getScheduleRules()) {
for (ScheduledJobRule jobRule : scheduleRule.getScheduledJobRuleList()) {
for (String transletName : transletNames) {
if (jobRule.getTransletName().equals(transletName)) {
ScheduleParameters scheduleParameters = RulesToParameters.toScheduleParameters(jobRule.getScheduleRule(), jobRule);
if (count > 0) {
writer.write("----------------------------------------------------------------------------");
writer.write(AponFormat.SYSTEM_NEW_LINE);
}
AponWriter aponWriter = new AponWriter(writer).nullWritable(false);
aponWriter.write(scheduleParameters);
count++;
}
}
}
}
return success(writer.toString().trim());
}
}
private CommandResult changeJobActiveState(DaemonService daemonService, String[] targets, boolean disabled) {
if (targets == null || targets.length == 0) {
return failed(error("Please specify jobs to be enabled or disabled"));
}
ScheduleRuleRegistry scheduleRuleRegistry = daemonService.getActivityContext().getScheduleRuleRegistry();
Set scheduledJobRules = scheduleRuleRegistry.getScheduledJobRules(targets);
if (scheduledJobRules.isEmpty()) {
return failed(error("Unknown scheduled jobs " + Arrays.toString(targets)));
}
Formatter formatter = new Formatter();
for (ScheduledJobRule jobRule : scheduledJobRules) {
if (disabled) {
if (jobRule.isDisabled()) {
formatter.format("Scheduled job '%s' on schedule '%s' is already inactive",
jobRule.getTransletName(), jobRule.getScheduleRule().getId());
} else {
jobRule.setDisabled(true);
formatter.format("Scheduled job '%s' on schedule '%s' is now inactive",
jobRule.getTransletName(), jobRule.getScheduleRule().getId());
}
} else {
if (!jobRule.isDisabled()) {
formatter.format("Scheduled job '%s' on schedule '%s' is already active",
jobRule.getTransletName(), jobRule.getScheduleRule().getId());
} else {
jobRule.setDisabled(false);
formatter.format("Scheduled job '%s' on schedule '%s' is now active",
jobRule.getTransletName(), jobRule.getScheduleRule().getId());
}
}
}
return success(formatter.toString());
}
@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
@NonNull
public String getDescription() {
return "Display detailed information about aspect, translet, " +
"or scheduled job and control its active state";
}
}
}
