com.sun.enterprise.v3.admin.GetHabitatInfo Maven / Gradle / Ivy
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package com.sun.enterprise.v3.admin;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.SortedSet;
import java.util.TreeSet;
import javax.inject.Inject;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import javax.validation.Payload;
import javax.validation.constraints.Pattern;
import org.glassfish.api.ActionReport;
import org.glassfish.api.ActionReport.ExitCode;
import org.glassfish.api.Param;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.RestEndpoint;
import org.glassfish.api.admin.RestEndpoints;
import org.glassfish.hk2.api.ActiveDescriptor;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.ServiceHandle;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.utilities.BuilderHelper;
import org.jvnet.hk2.annotations.Service;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.customvalidators.JavaClassName;
import com.sun.enterprise.module.ModulesRegistry;
import com.sun.enterprise.universal.collections.ManifestUtils;
import com.sun.enterprise.v3.common.PropsFileActionReporter;
import org.glassfish.api.admin.AccessRequired;
/**
* Dumps a sorted list of all registered Contract's in the Habitat
*
*
* Useful for debugging and developing new Contract's
* @author Byron Nevins
* @param
*/
@Service(name = "_get-habitat-info")
@PerLookup
@RestEndpoints({
@RestEndpoint(configBean=Domain.class,
opType=RestEndpoint.OpType.GET,
path="_get-habitat-info",
description="_get-habitat-info")
})
@GetHabitatInfo.Constraint
@AccessRequired(resource="domain", action="dump")
public class GetHabitatInfo implements AdminCommand {
@Inject
ServiceLocator serviceLocator;
@Inject
ModulesRegistry modulesRegistry;
@JavaClassName
@Param(primary = true, optional = true)
String contract;
@Pattern(regexp="true|false")
@Param(optional = true)
String started = "false";
@Override
public void execute(AdminCommandContext context) {
StringBuilder sb = new StringBuilder();
if (contract == null) {
dumpContracts(sb);
dumpModules(sb);
dumpTypes(sb);
}
else {
dumpInhabitantsImplementingContractPattern(contract, sb);
}
String msg = sb.toString();
ActionReport report = context.getActionReport();
report.setActionExitCode(ExitCode.SUCCESS);
if (report instanceof PropsFileActionReporter) {
msg = ManifestUtils.encode(msg);
}
report.setMessage(msg);
}
private void dumpContracts(StringBuilder sb) {
// Probably not very efficient but it is not a factor for this rarely-used
// user-called command...
sb.append("\n*********** Sorted List of all Registered Contracts in the Habitat **************\n");
List> allDescriptors = serviceLocator.getDescriptors(BuilderHelper.allFilter());
SortedSet allContracts = new TreeSet();
for (ActiveDescriptor aDescriptor : allDescriptors) {
allContracts.addAll(aDescriptor.getAdvertisedContracts());
}
// now the contracts are sorted...
Iterator it = allContracts.iterator();
for (int i = 1; it.hasNext(); i++) {
sb.append("Contract-" + i + ": " + it.next() + "\n");
}
}
private void dumpInhabitantsImplementingContractPattern(String pattern, StringBuilder sb) {
sb.append("\n*********** List of all services for contract named like " + contract + " **************\n");
List> allDescriptors = serviceLocator.getDescriptors(BuilderHelper.allFilter());
HashSet allContracts = new HashSet();
for (ActiveDescriptor aDescriptor : allDescriptors) {
allContracts.addAll(aDescriptor.getAdvertisedContracts());
}
Iterator it = allContracts.iterator();
while (it.hasNext()) {
String cn = it.next();
if (cn.toLowerCase(Locale.ENGLISH).indexOf(pattern.toLowerCase(Locale.ENGLISH)) < 0)
continue;
sb.append("\n-----------------------------\n");
for ( ActiveDescriptor descriptor : serviceLocator.getDescriptors(BuilderHelper.createContractFilter(cn))) {
sb.append("Inhabitant-Metadata: " + descriptor.getMetadata());
sb.append("\n");
boolean isStarted = Boolean.parseBoolean(started);
if (isStarted) {
ServiceHandle handle = serviceLocator.getServiceHandle(descriptor);
sb.append((handle.isActive() ? " started" : " not started"));
}
}
}
}
private void dumpTypes(StringBuilder sb) {
sb.append("\n\n*********** Sorted List of all Types in the Habitat **************\n\n");
List> allDescriptors = serviceLocator.getDescriptors(BuilderHelper.allFilter());
HashSet allTypes = new HashSet();
for (ActiveDescriptor aDescriptor : allDescriptors) {
allTypes.add(aDescriptor.getImplementation());
}
Iterator it = allTypes.iterator();
if (it == null) //PP (paranoid programmer)
return;
SortedSet types = new TreeSet();
while (it.hasNext()) {
types.add(it.next());
}
// now the types are sorted...
it = types.iterator();
for (int i = 1; it.hasNext(); i++) {
sb.append("Type-" + i + ": " + it.next() + "\n");
}
}
private void dumpModules(StringBuilder sb) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
modulesRegistry.dumpState(new PrintStream(baos));
sb.append("\n\n*********** List of all Registered Modules **************\n\n");
sb.append(baos.toString());
}
/*
* NOTE: this valdation is here just to test the AdminCommand validation
* implementation.
*/
@Retention(RUNTIME)
@Target({TYPE})
@javax.validation.Constraint(validatedBy = GetHabitatInfo.Validator.class)
public static @interface Constraint {
String message() default "The contract argument is test but started is true.";
Class[] groups() default {};
Class[] payload() default {};
}
public static class Validator
implements ConstraintValidator, Payload {
@Override
public void initialize(final GetHabitatInfo.Constraint constraint) { }
@Override
public boolean isValid(final GetHabitatInfo bean,
final ConstraintValidatorContext constraintValidatorContext) {
if (bean.contract.equals("test") && bean.started.equals("true"))
return false;
return true;
}
}
}