org.camunda.bpm.engine.rest.sub.repository.impl.DecisionRequirementsDefinitionResourceImpl Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.rest.sub.repository.impl;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import org.camunda.bpm.engine.ProcessEngine;
import org.camunda.bpm.engine.ProcessEngineException;
import org.camunda.bpm.engine.RepositoryService;
import org.camunda.bpm.engine.exception.NotFoundException;
import org.camunda.bpm.engine.exception.NotValidException;
import org.camunda.bpm.engine.impl.util.IoUtil;
import org.camunda.bpm.engine.repository.DecisionRequirementsDefinition;
import org.camunda.bpm.engine.rest.dto.repository.DecisionRequirementsDefinitionDto;
import org.camunda.bpm.engine.rest.dto.repository.DecisionRequirementsDefinitionXmlDto;
import org.camunda.bpm.engine.rest.exception.InvalidRequestException;
import org.camunda.bpm.engine.rest.exception.RestException;
import org.camunda.bpm.engine.rest.sub.repository.DecisionRequirementsDefinitionResource;
/**
*
* @author Deivarayan Azhagappan
*
*/
public class DecisionRequirementsDefinitionResourceImpl implements DecisionRequirementsDefinitionResource {
protected ProcessEngine engine;
protected String decisionRequirementsDefinitionId;
public DecisionRequirementsDefinitionResourceImpl(ProcessEngine engine, String decisionDefinitionId) {
this.engine = engine;
this.decisionRequirementsDefinitionId = decisionDefinitionId;
}
@Override
public DecisionRequirementsDefinitionDto getDecisionRequirementsDefinition() {
RepositoryService repositoryService = engine.getRepositoryService();
DecisionRequirementsDefinition definition = null;
try {
definition = repositoryService.getDecisionRequirementsDefinition(decisionRequirementsDefinitionId);
} catch (NotFoundException e) {
throw new InvalidRequestException(Status.NOT_FOUND, e, e.getMessage());
} catch (NotValidException e) {
throw new InvalidRequestException(Status.BAD_REQUEST, e, e.getMessage());
} catch (ProcessEngineException e) {
throw new RestException(Status.INTERNAL_SERVER_ERROR, e);
}
return DecisionRequirementsDefinitionDto.fromDecisionRequirementsDefinition(definition);
}
@Override
public DecisionRequirementsDefinitionXmlDto getDecisionRequirementsDefinitionDmnXml() {
InputStream decisionRequirementsModelInputStream = null;
try {
decisionRequirementsModelInputStream = engine.getRepositoryService().getDecisionRequirementsModel(decisionRequirementsDefinitionId);
byte[] decisionRequirementsModel = IoUtil.readInputStream(decisionRequirementsModelInputStream, "decisionRequirementsModelDmnXml");
return DecisionRequirementsDefinitionXmlDto.create(decisionRequirementsDefinitionId, new String(decisionRequirementsModel, "UTF-8"));
} catch (NotFoundException e) {
throw new InvalidRequestException(Status.NOT_FOUND, e, e.getMessage());
} catch (NotValidException e) {
throw new InvalidRequestException(Status.BAD_REQUEST, e, e.getMessage());
} catch (ProcessEngineException e) {
throw new RestException(Status.INTERNAL_SERVER_ERROR, e);
} catch (UnsupportedEncodingException e) {
throw new RestException(Status.INTERNAL_SERVER_ERROR, e);
} finally {
IoUtil.closeSilently(decisionRequirementsModelInputStream);
}
}
@Override
public Response getDecisionRequirementsDefinitionDiagram() {
DecisionRequirementsDefinition definition = engine.getRepositoryService().getDecisionRequirementsDefinition(decisionRequirementsDefinitionId);
InputStream decisionRequirementsDiagram = engine.getRepositoryService().getDecisionRequirementsDiagram(decisionRequirementsDefinitionId);
if (decisionRequirementsDiagram == null) {
return Response.noContent().build();
} else {
String fileName = definition.getDiagramResourceName();
return Response.ok(decisionRequirementsDiagram).header("Content-Disposition", "attachment; filename=" + fileName)
.type(ProcessDefinitionResourceImpl.getMediaTypeForFileSuffix(fileName)).build();
}
}
}