/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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 org.wso2.carbon.application.deployer.bpel;
import org.apache.axis2.deployment.Deployer;
import org.apache.axis2.deployment.DeploymentException;
import org.apache.axis2.deployment.repository.util.DeploymentFileData;
import org.apache.axis2.engine.AxisConfiguration;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.application.deployer.AppDeployerConstants;
import org.wso2.carbon.application.deployer.AppDeployerUtils;
import org.wso2.carbon.application.deployer.CarbonApplication;
import org.wso2.carbon.application.deployer.bpel.internal.BPELAppDeployerDSComponent;
import org.wso2.carbon.application.deployer.config.Artifact;
import org.wso2.carbon.application.deployer.config.CappFile;
import org.wso2.carbon.application.deployer.handler.AppDeploymentHandler;
import java.io.File;
import java.util.List;
import java.util.Map;
public class BPELAppDeployer implements AppDeploymentHandler {
private static final Log log = LogFactory.getLog(BPELAppDeployer.class);
public static final String BPEL_TYPE = "bpel/workflow";
public static final String BPEL_DIR = "bpel";
private Map<String, Boolean> acceptanceList = null;
/**
* Check the artifact type and if it is a BPEL, copy it to the BPEL deployment hot folder
*
* @param carbonApp - CarbonApplication instance to check for BPEL artifacts
* @param axisConfig - AxisConfiguration of the current tenant
*/
public void deployArtifacts(CarbonApplication carbonApp, AxisConfiguration axisConfig)
throws DeploymentException {
List<Artifact.Dependency> artifacts = carbonApp.getAppConfig().getApplicationArtifact()
.getDependencies();
// loop through all artifacts
for (Artifact.Dependency dep : artifacts) {
Deployer deployer;
Artifact artifact = dep.getArtifact();
if (artifact == null) {
continue;
}
if (!isAccepted(artifact.getType())) {
log.warn("Can't deploy artifact : " + artifact.getName() + " of type : " +
artifact.getType() + ". Required features are not installed in the system");
continue;
}
if (BPEL_TYPE.equals(artifact.getType())) {
deployer = AppDeployerUtils.getArtifactDeployer(axisConfig, BPEL_DIR, "zip");
} else {
continue;
}
List<CappFile> files = artifact.getFiles();
if (files.size() != 1) {
log.error("BPEL workflows must have a single file to " +
"be deployed. But " + files.size() + " files found.");
continue;
}
if (deployer != null) {
String fileName = artifact.getFiles().get(0).getName();
String artifactPath = artifact.getExtractedPath() + File.separator + fileName;
try {
deployer.deploy(new DeploymentFileData(new File(artifactPath), deployer));
artifact.setDeploymentStatus(AppDeployerConstants.DEPLOYMENT_STATUS_DEPLOYED);
} catch (DeploymentException e) {
artifact.setDeploymentStatus(AppDeployerConstants.DEPLOYMENT_STATUS_FAILED);
throw e;
}
}
}
}
/**
* Check the artifact type and if it is a BPEL, delete the file from the BPEL
* deployment hot folder
*
* @param carbonApp - CarbonApplication instance to check for BPEL artifacts
* @param axisConfig - - axisConfig of the current tenant
*/
public void undeployArtifacts(CarbonApplication carbonApp, AxisConfiguration axisConfig) {
List<Artifact.Dependency> artifacts = carbonApp.getAppConfig().getApplicationArtifact()
.getDependencies();
for (Artifact.Dependency dep : artifacts) {
Deployer deployer;
Artifact artifact = dep.getArtifact();
if (artifact == null) {
continue;
}
if (BPEL_TYPE.equals(artifact.getType())) {
deployer = AppDeployerUtils.getArtifactDeployer(axisConfig, BPEL_DIR, "zip");
} else {
continue;
}
// loop through all dependencies
List<CappFile> files = artifact.getFiles();
if (files.size() != 1) {
log.error("A BPEL workflow must have a single file. But " +
files.size() + " files found.");
continue;
}
if (deployer != null && AppDeployerConstants.DEPLOYMENT_STATUS_DEPLOYED.
equals(artifact.getDeploymentStatus())) {
String fileName = artifact.getFiles().get(0).getName();
String artifactPath = artifact.getExtractedPath() + File.separator + fileName;
try {
File artifactFile = new File(artifactPath);
if (artifactFile.exists() && !artifactFile.delete()) {
log.warn("Couldn't delete App artifact file : " + artifactPath);
}
deployer.undeploy(artifactPath);
artifact.setDeploymentStatus(AppDeployerConstants.DEPLOYMENT_STATUS_PENDING);
} catch (DeploymentException e) {
artifact.setDeploymentStatus(AppDeployerConstants.DEPLOYMENT_STATUS_FAILED);
log.error("Error occured while trying to un deploy : "+artifact.getName());
}
}
}
}
/**
* Check whether a particular artifact type can be accepted for deployment. If the type doesn't
* exist in the acceptance list, we assume that it doesn't require any special features to be
* installed in the system. Therefore, that type is accepted.
* If the type exists in the acceptance list, the acceptance value is returned.
*
* @param serviceType - service type to be checked
* @return true if all features are there or entry is null. else false
*/
private boolean isAccepted(String serviceType) {
if (acceptanceList == null) {
acceptanceList = AppDeployerUtils.buildAcceptanceList(BPELAppDeployerDSComponent
.getRequiredFeatures());
}
Boolean acceptance = acceptanceList.get(serviceType);
return (acceptance == null || acceptance);
}
}