Examples with RestVariable org.activiti.rest.service.api.engine.variable.RestVariable used on opensource projects

Example 11 with RestVariable

use of org.activiti.rest.service.api.engine.variable.RestVariable in project Activiti by Activiti.

the class HistoricProcessInstanceVariableDataResource method getVariableData.

@RequestMapping(value = "/history/historic-process-instances/{processInstanceId}/variables/{variableName}/data", method = RequestMethod.GET)
@ResponseBody
public byte[] getVariableData(@PathVariable("processInstanceId") String processInstanceId, @PathVariable("variableName") String variableName, HttpServletRequest request, HttpServletResponse response) {
    try {
        byte[] result = null;
        RestVariable variable = getVariableFromRequest(true, processInstanceId, variableName, request);
        if (RestResponseFactory.BYTE_ARRAY_VARIABLE_TYPE.equals(variable.getType())) {
            result = (byte[]) variable.getValue();
            response.setContentType("application/octet-stream");
        } else if (RestResponseFactory.SERIALIZABLE_VARIABLE_TYPE.equals(variable.getType())) {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutputStream outputStream = new ObjectOutputStream(buffer);
            outputStream.writeObject(variable.getValue());
            outputStream.close();
            result = buffer.toByteArray();
            response.setContentType("application/x-java-serialized-object");
        } else {
            throw new ActivitiObjectNotFoundException("The variable does not have a binary data stream.", null);
        }
        return result;
    } catch (IOException ioe) {
        // Re-throw IOException
        throw new ActivitiException("Unexpected exception getting variable data", ioe);
    }
}

Example 12 with RestVariable

use of org.activiti.rest.service.api.engine.variable.RestVariable in project Activiti by Activiti.

the class RestResponseFactory method createBinaryRestVariable.

public RestVariable createBinaryRestVariable(String name, RestVariableScope scope, String type, String taskId, String executionId, String processInstanceId) {
    RestUrlBuilder urlBuilder = createUrlBuilder();
    RestVariable restVar = new RestVariable();
    restVar.setVariableScope(scope);
    restVar.setName(name);
    restVar.setType(type);
    if (taskId != null) {
        restVar.setValueUrl(urlBuilder.buildUrl(RestUrls.URL_TASK_VARIABLE_DATA, taskId, name));
    }
    if (executionId != null) {
        restVar.setValueUrl(urlBuilder.buildUrl(RestUrls.URL_EXECUTION_VARIABLE_DATA, executionId, name));
    }
    if (processInstanceId != null) {
        restVar.setValueUrl(urlBuilder.buildUrl(RestUrls.URL_PROCESS_INSTANCE_VARIABLE_DATA, processInstanceId, name));
    }
    return restVar;
}

Example 13 with RestVariable

use of org.activiti.rest.service.api.engine.variable.RestVariable in project Activiti by Activiti.

the class HistoricTaskInstanceVariableDataResource method getVariableData.

@RequestMapping(value = "/history/historic-task-instances/{taskId}/variables/{variableName}/data", method = RequestMethod.GET)
@ResponseBody
public byte[] getVariableData(@PathVariable("taskId") String taskId, @PathVariable("variableName") String variableName, @RequestParam(value = "scope", required = false) String scope, HttpServletRequest request, HttpServletResponse response) {
    try {
        byte[] result = null;
        RestVariable variable = getVariableFromRequest(true, taskId, variableName, scope, request);
        if (RestResponseFactory.BYTE_ARRAY_VARIABLE_TYPE.equals(variable.getType())) {
            result = (byte[]) variable.getValue();
            response.setContentType("application/octet-stream");
        } else if (RestResponseFactory.SERIALIZABLE_VARIABLE_TYPE.equals(variable.getType())) {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutputStream outputStream = new ObjectOutputStream(buffer);
            outputStream.writeObject(variable.getValue());
            outputStream.close();
            result = buffer.toByteArray();
            response.setContentType("application/x-java-serialized-object");
        } else {
            throw new ActivitiObjectNotFoundException("The variable does not have a binary data stream.", null);
        }
        return result;
    } catch (IOException ioe) {
        // Re-throw IOException
        throw new ActivitiException("Unexpected exception getting variable data", ioe);
    }
}

Example 14 with RestVariable

use of org.activiti.rest.service.api.engine.variable.RestVariable in project Activiti by Activiti.

the class HistoricVariableInstanceDataResource method getVariableData.

@RequestMapping(value = "/history/historic-variable-instances/{varInstanceId}/data", method = RequestMethod.GET)
@ResponseBody
public byte[] getVariableData(@PathVariable("varInstanceId") String varInstanceId, HttpServletRequest request, HttpServletResponse response) {
    try {
        byte[] result = null;
        RestVariable variable = getVariableFromRequest(true, varInstanceId, request);
        if (RestResponseFactory.BYTE_ARRAY_VARIABLE_TYPE.equals(variable.getType())) {
            result = (byte[]) variable.getValue();
            response.setContentType("application/octet-stream");
        } else if (RestResponseFactory.SERIALIZABLE_VARIABLE_TYPE.equals(variable.getType())) {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutputStream outputStream = new ObjectOutputStream(buffer);
            outputStream.writeObject(variable.getValue());
            outputStream.close();
            result = buffer.toByteArray();
            response.setContentType("application/x-java-serialized-object");
        } else {
            throw new ActivitiObjectNotFoundException("The variable does not have a binary data stream.", null);
        }
        return result;
    } catch (IOException ioe) {
        // Re-throw IOException
        throw new ActivitiException("Unexpected exception getting variable data", ioe);
    }
}

Example 15 with RestVariable

use of org.activiti.rest.service.api.engine.variable.RestVariable in project Activiti by Activiti.

the class HistoricDetailDataResource method getVariableData.

@RequestMapping(value = "/history/historic-detail/{detailId}/data", method = RequestMethod.GET)
@ResponseBody
public byte[] getVariableData(@PathVariable("detailId") String detailId, HttpServletRequest request, HttpServletResponse response) {
    try {
        byte[] result = null;
        RestVariable variable = getVariableFromRequest(true, detailId, request);
        if (RestResponseFactory.BYTE_ARRAY_VARIABLE_TYPE.equals(variable.getType())) {
            result = (byte[]) variable.getValue();
            response.setContentType("application/octet-stream");
        } else if (RestResponseFactory.SERIALIZABLE_VARIABLE_TYPE.equals(variable.getType())) {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutputStream outputStream = new ObjectOutputStream(buffer);
            outputStream.writeObject(variable.getValue());
            outputStream.close();
            result = buffer.toByteArray();
            response.setContentType("application/x-java-serialized-object");
        } else {
            throw new ActivitiObjectNotFoundException("The variable does not have a binary data stream.", null);
        }
        return result;
    } catch (IOException ioe) {
        // Re-throw IOException
        throw new ActivitiException("Unexpected exception getting variable data", ioe);
    }
}