com.meltmedia.cadmium.deployer.DeploymentCheckCommandAction.java Source code

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Here is the source code for com.meltmedia.cadmium.deployer.DeploymentCheckCommandAction.java

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/**
 *    Copyright 2012 meltmedia
 *
 *    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.meltmedia.cadmium.deployer;

import com.meltmedia.cadmium.core.CommandAction;
import com.meltmedia.cadmium.core.CommandContext;
import com.meltmedia.cadmium.core.messaging.Message;
import com.meltmedia.cadmium.core.messaging.MessageSender;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.builder.ToStringBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.inject.Inject;

/**
 * Command Action that checks the state of a deployment.
 */
public class DeploymentCheckCommandAction implements CommandAction<DeploymentCheckRequest> {
    private final Logger logger = LoggerFactory.getLogger(getClass());
    public static final String COMMAND_ACTION = "DEPLOYMENT_CHECK_REQUEST";

    @Inject
    private MessageSender sender;

    @Inject
    private IJBossUtil jbossUtil;

    @Override
    public String getName() {
        return COMMAND_ACTION;
    }

    @Override
    public boolean execute(CommandContext<DeploymentCheckRequest> ctx) throws Exception {
        if (StringUtils.isNotBlank(ctx.getMessage().getBody().getWarName())) {
            logger.debug("Checking deployment state.");
            String warName = ctx.getMessage().getBody().getWarName();
            DeploymentCheckResponse deploymentResponse = new DeploymentCheckResponse();
            deploymentResponse.setStarted(true);
            try {
                boolean deployed = jbossUtil.isWarDeployed(warName);
                logger.info("{} deployment state: {}", warName, deployed);
                deploymentResponse.setFinished(deployed);
            } catch (NoDeploymentFoundException e) {
                logger.info("No deployment has started yet.");
                deploymentResponse.setStarted(false);
            } catch (Throwable e) {
                logger.error("Failed to deploy " + warName, e);
                deploymentResponse.setError(e);
            }
            Message<DeploymentCheckResponse> response = new Message<DeploymentCheckResponse>(
                    DeploymentCheckResponseCommandAction.COMMAND_ACTION, deploymentResponse);
            sender.sendMessage(response, null);
        }
        return true;
    }

    @Override
    public void handleFailure(CommandContext<DeploymentCheckRequest> ctx, Exception e) {
        logger.error("Failed to handle " + COMMAND_ACTION + " from " + ctx.getSource(),
                ToStringBuilder.reflectionToString(ctx));
        DeploymentCheckResponse deploymentResponse = new DeploymentCheckResponse();
        deploymentResponse.setError(e);
        Message<DeploymentCheckResponse> response = new Message<DeploymentCheckResponse>(
                DeploymentCheckResponseCommandAction.COMMAND_ACTION, deploymentResponse);
        try {
            sender.sendMessage(response, null);
        } catch (Exception e1) {
            logger.warn("Failed to send error response.", e1);
        }
    }
}