/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.syncope.core.workflow.user.activiti;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.activiti.bpmn.converter.BpmnXMLConverter;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.editor.language.json.converter.BpmnJsonConverter;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.repository.Model;
import org.activiti.engine.repository.ProcessDefinition;
import org.apache.commons.io.IOUtils;
import org.apache.syncope.core.workflow.WorkflowException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component
public class ActivitiImportUtils {
@Autowired
private RepositoryService repositoryService;
public void fromXML(final byte[] definition) {
try {
repositoryService.createDeployment().addInputStream(ActivitiUserWorkflowAdapter.WF_PROCESS_RESOURCE,
new ByteArrayInputStream(definition)).deploy();
} catch (ActivitiException e) {
throw new WorkflowException("While updating process " + ActivitiUserWorkflowAdapter.WF_PROCESS_RESOURCE, e);
}
}
public void fromJSON(final byte[] definition, final ProcessDefinition procDef, final Model model) {
try {
model.setVersion(procDef.getVersion());
model.setDeploymentId(procDef.getDeploymentId());
repositoryService.saveModel(model);
repositoryService.addModelEditorSource(model.getId(), definition);
} catch (Exception e) {
throw new WorkflowException("While updating process " + ActivitiUserWorkflowAdapter.WF_PROCESS_RESOURCE, e);
}
}
public void fromJSON(final ProcessDefinition procDef, final Model model) {
InputStream bpmnStream = null;
InputStreamReader isr = null;
XMLStreamReader xtr = null;
try {
bpmnStream = repositoryService.getResourceAsStream(
procDef.getDeploymentId(), procDef.getResourceName());
isr = new InputStreamReader(bpmnStream);
xtr = XMLInputFactory.newInstance().createXMLStreamReader(isr);
BpmnModel bpmnModel = new BpmnXMLConverter().convertToBpmnModel(xtr);
fromJSON(new BpmnJsonConverter().convertToJson(bpmnModel).toString().getBytes(), procDef, model);
} catch (Exception e) {
throw new WorkflowException("While updating process " + ActivitiUserWorkflowAdapter.WF_PROCESS_RESOURCE, e);
} finally {
if (xtr != null) {
try {
xtr.close();
} catch (XMLStreamException e) {
// ignore
}
}
IOUtils.closeQuietly(isr);
IOUtils.closeQuietly(bpmnStream);
}
}
}