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package org.glassfish.deployment.admin;

import com.sun.enterprise.config.serverbeans.Application;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.CommandLock;
import org.glassfish.api.Param;
import org.glassfish.api.admin.ExecuteOn;
import org.glassfish.api.admin.RuntimeType;
import org.glassfish.api.container.Sniffer;
import org.glassfish.api.deployment.archive.ReadableArchive;
import org.glassfish.internal.data.ApplicationInfo;
import org.glassfish.internal.data.ApplicationRegistry;
import org.glassfish.internal.data.ModuleInfo;
import org.glassfish.internal.data.EngineRef;
import org.glassfish.deployment.common.DeploymentProperties;
import com.sun.enterprise.util.LocalStringManagerImpl;
import org.glassfish.api.ActionReport;
import jakarta.inject.Inject;
import org.jvnet.hk2.annotations.Service;

import org.glassfish.hk2.api.PerLookup;

import java.util.Map;
import java.io.IOException;
import org.glassfish.api.admin.AccessRequired;
import org.glassfish.api.admin.RestEndpoint;
import org.glassfish.api.admin.RestEndpoints;
import org.glassfish.api.admin.RestParam;

/**
 * Get deployment configurations command
 */
@Service(name="_get-deployment-configurations")
@ExecuteOn(value={RuntimeType.DAS})
@PerLookup
@CommandLock(CommandLock.LockType.NONE)
@RestEndpoints({
    @RestEndpoint(configBean=Application.class,
        opType=RestEndpoint.OpType.GET, 
        path="_get-deployment-configurations",
        description="Get Deployment Configurations",
        params={@RestParam(name="appname", value="$parent")})
})
@AccessRequired(resource=DeploymentCommandUtils.APPLICATION_RESOURCE_NAME + "/$appname", action="read")
public class GetDeploymentConfigurationsCommand implements AdminCommand {

    final private static LocalStringManagerImpl localStrings = new LocalStringManagerImpl(GetDeploymentConfigurationsCommand.class);

    @Param(primary=true)
    private String appname = null;

    @Inject
    ApplicationRegistry appRegistry;

    /**
     * Entry point from the framework into the command execution
     * @param context context for the command.
     */
    public void execute(AdminCommandContext context) {
        final ActionReport report = context.getActionReport();

        ActionReport.MessagePart part = report.getTopMessagePart();

        final ApplicationInfo appInfo = appRegistry.get(appname);

        if (appInfo == null) {
            return;
        }

        try
        {
            if (appInfo.getEngineRefs().size() > 0)
            {
                // composite archive case, i.e. ear
                for (EngineRef ref : appInfo.getEngineRefs())
                {
                    Sniffer appSniffer = ref.getContainerInfo().getSniffer();
                    addToResultDDList("", appSniffer.getDeploymentConfigurations(appInfo.getSource()), part);
                }

                for (ModuleInfo moduleInfo : appInfo.getModuleInfos())
                {
                    for (Sniffer moduleSniffer : moduleInfo.getSniffers())
                    {
                        ReadableArchive moduleArchive = appInfo.getSource().getSubArchive(moduleInfo.getName());
                        addToResultDDList(moduleInfo.getName(), moduleSniffer.getDeploymentConfigurations(moduleArchive), part);
                    }
                }
            }
            else
            {
                // standalone module
                for (Sniffer sniffer : appInfo.getSniffers())
                {
                    addToResultDDList(appname, sniffer.getDeploymentConfigurations(appInfo.getSource()), part);
                }
            }
        }
        catch ( final IOException e)
        {
            throw new RuntimeException(e);
        }
    }

    private void addToResultDDList(String moduleName, Map snifferConfigs, ActionReport.MessagePart part)
    {
        for (Map.Entry pathEntry : snifferConfigs.entrySet()) {
            ActionReport.MessagePart childPart = part.addChild();
            childPart.addProperty(DeploymentProperties.MODULE_NAME, 
                moduleName);
            childPart.addProperty(DeploymentProperties.DD_PATH, 
                pathEntry.getKey());
            childPart.addProperty(DeploymentProperties.DD_CONTENT, 
                pathEntry.getValue());
        }
    }
}