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// Portions Copyright [2018-2019] Payara Foundation and/or affiliates

package com.sun.enterprise.v3.admin.cluster;


import static org.glassfish.api.ActionReport.ExitCode.FAILURE;
import static org.glassfish.api.ActionReport.ExitCode.SUCCESS;
import static org.glassfish.api.admin.RestEndpoint.OpType.POST;

import java.beans.PropertyVetoException;
import java.util.logging.Logger;

import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.RestEndpoint;
import org.glassfish.api.admin.RestEndpoints;
import org.glassfish.hk2.api.PerLookup;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.config.ConfigSupport;
import org.jvnet.hk2.config.SingleConfigCode;
import org.jvnet.hk2.config.TransactionFailure;

import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Configs;
import com.sun.enterprise.config.serverbeans.CopyConfig;
import com.sun.enterprise.util.LocalStringManagerImpl;

/**
 *  This is a remote command that copies a config to a destination config.
 * Usage: copy-config
 	[--systemproperties  (name=value)[:name=value]*]
	source_configuration_name destination_configuration_name
 * @author Bhakti Mehta
 */
@Service(name = "copy-config")
@I18n("copy.config.command")
@PerLookup
@RestEndpoints({
        @RestEndpoint(configBean = Configs.class, opType = POST, path = "copy-config", description = "Copy Config")
})
public final class CopyConfigCommand extends CopyConfig {

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

    @Override
    public void execute(AdminCommandContext context) {
        ActionReport report = context.getActionReport();
        report.setActionExitCode(SUCCESS);

        if (configs.size() != 2) {
            report.setMessage(localStrings.getLocalString("Config.badConfigNames", "You must specify a source and destination config."));
            report.setActionExitCode(FAILURE);
            return;
        }

        String srcConfig = configs.get(0);
        String destConfig = configs.get(1);
        
        // Get the config from the domain
        // Does the src config exist
        Config config = domain.getConfigNamed(srcConfig);
        if (config == null) {
            report.setMessage(localStrings.getLocalString("Config.noSuchConfig", "Config {0} does not exist.", srcConfig));
            report.setActionExitCode(FAILURE);
            return;
        }

        // Does dest config exist
        Config destinationConfig = domain.getConfigNamed(destConfig);
        if (destinationConfig != null) {
            report.setMessage(localStrings.getLocalString("Config.configExists", "Config {0} already exists.", destConfig));
            report.setActionExitCode(FAILURE);
            return;
        }

        // Copy the config
        String configName = destConfig;
        Logger logger = context.getLogger();
        try {
            ConfigSupport.apply(new SingleConfigCode() {
                @Override
                public Object run(Configs configs) throws PropertyVetoException, TransactionFailure {
                    return copyConfig(configs, config, configName, logger);
                }
            }, domain.getConfigs());

        } catch (TransactionFailure e) {
            report.setMessage(localStrings.getLocalString("Config.copyConfigError", "CopyConfig error caused by ", e.getLocalizedMessage()));
            report.setActionExitCode(FAILURE);
            report.setFailureCause(e);
        }
    }

}