Java Code Examples for org.apache.axis2.deployment.DeploymentEngine#getDeployer()

/**
 * Deploy data services.
 * adding the data service to the data services.
 * there can be multiple data sources as separate xml files.
 *
 * @param artifacts  list of artifacts to be deployed.
 * @param axisConfig axis configuration.
 */
private void deployDataSources(List<Artifact> artifacts, AxisConfiguration axisConfig)
        throws DeploymentException {
    for (Artifact artifact : artifacts) {
        if (DS_TYPE.equals(artifact.getType())) {
            List<CappFile> files = artifact.getFiles();
            if (files == null || files.isEmpty()) {
                throw new DeploymentException("DataServiceCappDeployer::deployDataServices --> "
                                                      + "Error No data services found in the artifact to deploy");
            }
            for (CappFile cappFile : files) {
                String fileName = cappFile.getName();
                String dataServiceConfigPath = artifact.getExtractedPath() + File.separator + fileName;

                File file = new File(dataServiceConfigPath);
                if (!file.exists()) {
                    throw new DeploymentException("DataServiceCappDeployer::deployDataServices --> "
                                                          + "Error Data service file cannot be found in artifact, "
                                                          + "file name - " + fileName);
                }
                // access the deployment engine through axis config
                DeploymentEngine deploymentEngine = (DeploymentEngine) axisConfig.getConfigurator();
                Deployer deployer = deploymentEngine.getDeployer(DS_DIR, "dbs");

                try {
                    // Call the deploy method of the deployer
                    deployer.deploy(new DeploymentFileData(new File(dataServiceConfigPath), deployer));
                    artifact.setDeploymentStatus(AppDeployerConstants.DEPLOYMENT_STATUS_DEPLOYED);
                } catch (DeploymentException e) {
                    artifact.setDeploymentStatus(AppDeployerConstants.DEPLOYMENT_STATUS_FAILED);
                    throw new DeploymentException(
                            "DataServiceCappDeployer::deployDataServices --> "
                                    + "Error in deploying data service: " + e.getMessage(), e);
                }
            }
        }
    }
}
 

/**
 * Finds the correct deployer for the given artifact type
 *
 * @param axisConfig   - AxisConfiguration instance
 * @param artifactType - type of the artifact
 * @return Deployer instance
 */
private Deployer getDeployer(AxisConfiguration axisConfig, String artifactType) {
    // access the deployment engine through axis config
    DeploymentEngine deploymentEngine = (DeploymentEngine) axisConfig.getConfigurator();
    Deployer deployer = null;

    // for each service type, select the correct deployer
    if (AAR_TYPE.equals(artifactType)) {
        deployer = deploymentEngine.getDeployer("axis2services", "aar");

        /* when ghost deployer is off, deployer is null since the ServiceDeployer is not
        registered as a normal deployer. Therefore the axis2service deployer is obtained as
        follows.

        Fix me properly.
        */
        if (deployer == null) {
            deployer = deploymentEngine.getServiceDeployer();
        }
    } else if (DS_TYPE.equals(artifactType)) {
        // TODO : Move data services out of carbon core
        deployer = deploymentEngine.getDeployer(DefaultAppDeployer.DS_DIR, "dbs");
    } else if (org.wso2.micro.application.deployer.AppDeployerConstants.CARBON_APP_TYPE.equals(artifactType)) {
        deployer = deploymentEngine.getDeployer(AppDeployerConstants.CARBON_APPS, "car");
    }
    return deployer;
}
 

/**
 * Get the deployer for the Class Mediators
 *
 * @param axisConfig AxisConfiguration instance
 * @return Deployer instance
 */
private Deployer getClassMediatorDeployer(AxisConfiguration axisConfig) {
    DeploymentEngine deploymentEngine = (DeploymentEngine) axisConfig.getConfigurator();
    String classMediatorPath = axisConfig.getRepository().getPath() +
                               File.separator + SynapseAppDeployerConstants.MEDIATORS_FOLDER;
    return deploymentEngine.
            getDeployer(classMediatorPath, ServiceBusConstants.CLASS_MEDIATOR_EXTENSION);
}
 

/**
 * Get the deployer for the Synapse Library
 *
 * @param axisConfig AxisConfiguration instance
 * @return Deployer instance
 */
private Deployer getSynapseLibraryDeployer(AxisConfiguration axisConfig) {
    try {
        String synapseLibraryPath = axisConfig.getRepository().getPath() +
                SynapseAppDeployerConstants.SYNAPSE_LIBS;
        DeploymentEngine deploymentEngine = (DeploymentEngine) axisConfig.getConfigurator();
        deploymentEngine.addDeployer(new LibraryArtifactDeployer(), synapseLibraryPath, ServiceBusConstants.SYNAPSE_LIBRARY_EXTENSION);

        return deploymentEngine.
                getDeployer(synapseLibraryPath, ServiceBusConstants.SYNAPSE_LIBRARY_EXTENSION);
    } catch (Exception e) {
        log.error("Error occured while getting the deployer");
        return null;
    }
}
 

/**
 * Un-deploy data services.
 * removing the data service from data services.
 * there can be multiple data sources as separate xml files.
 *
 * @param artifacts  list of artifacts to be deployed.
 * @param axisConfig axis configuration.
 */
private void undeployDataSources(List<Artifact> artifacts, AxisConfiguration axisConfig)
        throws DeploymentException {
    for (Artifact artifact : artifacts) {
        if (DS_TYPE.equals(artifact.getType())) {
            List<CappFile> files = artifact.getFiles();
            if (files == null || files.isEmpty()) {
                throw new DeploymentException("DataServiceCappDeployer::unDeployDataServices --> "
                                                      + "Error No data services found in the artifact to deploy");
            }
            for (CappFile cappFile : files) {
                String fileName = cappFile.getName();
                String dataServiceConfigPath = artifact.getExtractedPath() + File.separator + fileName;

                File file = new File(dataServiceConfigPath);
                if (!file.exists()) {
                    throw new DeploymentException("DataServiceCappDeployer::unDeployDataServices --> "
                                                          + "Error Data service file cannot be found in artifact, "
                                                          + "file name - " + fileName);
                }

                // access the deployment engine through axis config
                DeploymentEngine deploymentEngine = (DeploymentEngine) axisConfig.getConfigurator();
                Deployer deployer = deploymentEngine.getDeployer(DS_DIR, "dbs");

                if (AppDeployerConstants.DEPLOYMENT_STATUS_DEPLOYED.equals(
                        artifact.getDeploymentStatus())) {
                    try {
                        // Call the un-deploy method of the deployer
                        deployer.undeploy(dataServiceConfigPath);
                        artifact.setDeploymentStatus(AppDeployerConstants.DEPLOYMENT_STATUS_PENDING);
                        File artifactFile = new File(dataServiceConfigPath);
                        if (artifactFile.exists() && !artifactFile.delete()) {
                            log.warn("Couldn't delete artifact file : " + dataServiceConfigPath);
                        }
                    } catch (DeploymentException e) {
                        artifact.setDeploymentStatus(AppDeployerConstants.DEPLOYMENT_STATUS_FAILED);
                        throw new DeploymentException(
                                "DataServiceCappDeployer::unDeployDataServices --> "
                                        + "Error in un-deploying data service: " + e.getMessage(), e);
                    }
                }
            }
        }
    }
}
 

/**
 * Finds the correct deployer for the given directory and extension
 *
 * @param axisConfig - AxisConfiguration instance
 * @param directory - Directory to retrieve the deployer
 * @param extension - Extension of the deployable artifact
 * @return Deployer instance
 *
 */
public static Deployer getArtifactDeployer(AxisConfiguration axisConfig, String directory,
                                           String extension) {
    // access the deployment engine through axis config
    DeploymentEngine deploymentEngine = (DeploymentEngine) axisConfig.getConfigurator();
    return deploymentEngine.getDeployer(directory, extension);
}