Examples with RestVariable org.wso2.carbon.bpmn.rest.engine.variable.RestVariable used on opensource projects

Example 16 with RestVariable

use of org.wso2.carbon.bpmn.rest.engine.variable.RestVariable in project carbon-business-process by wso2.

the class HistoricProcessInstanceService method getVariableFromRequest.

public RestVariable getVariableFromRequest(boolean includeBinary, String processInstanceId, String variableName) {
    HistoryService historyService = BPMNOSGIService.getHistoryService();
    HistoricProcessInstance processObject = historyService.createHistoricProcessInstanceQuery().processInstanceId(processInstanceId).includeProcessVariables().singleResult();
    if (processObject == null) {
        throw new ActivitiObjectNotFoundException("Historic process instance '" + processInstanceId + "' couldn't be found.", HistoricProcessInstanceEntity.class);
    }
    Object value = processObject.getProcessVariables().get(variableName);
    if (value == null) {
        throw new ActivitiObjectNotFoundException("Historic process instance '" + processInstanceId + "' variable value for " + variableName + " couldn't be found.", VariableInstanceEntity.class);
    } else {
        return new RestResponseFactory().createRestVariable(variableName, value, null, processInstanceId, RestResponseFactory.VARIABLE_HISTORY_PROCESS, includeBinary, uriInfo.getBaseUri().toString());
    }
}

Example 17 with RestVariable

use of org.wso2.carbon.bpmn.rest.engine.variable.RestVariable in project carbon-business-process by wso2.

the class HistoricVariableInstanceService method getVariableFromRequest.

protected RestVariable getVariableFromRequest(boolean includeBinary, String varInstanceId) {
    HistoryService historyService = BPMNOSGIService.getHistoryService();
    HistoricVariableInstance varObject = historyService.createHistoricVariableInstanceQuery().id(varInstanceId).singleResult();
    if (varObject == null) {
        throw new ActivitiObjectNotFoundException("Historic variable instance '" + varInstanceId + "' couldn't be found.", VariableInstanceEntity.class);
    } else {
        return new RestResponseFactory().createRestVariable(varObject.getVariableName(), varObject.getValue(), null, varInstanceId, RestResponseFactory.VARIABLE_HISTORY_VARINSTANCE, includeBinary, uriInfo.getBaseUri().toString());
    }
}

Example 18 with RestVariable

use of org.wso2.carbon.bpmn.rest.engine.variable.RestVariable in project carbon-business-process by wso2.

the class BaseExecutionService method createBinaryExecutionVariable.

protected RestVariable createBinaryExecutionVariable(Execution execution, int responseVariableType, UriInfo uriInfo, boolean isNew, MultipartBody multipartBody) {
    boolean debugEnabled = log.isDebugEnabled();
    Response.ResponseBuilder responseBuilder = Response.ok();
    List<org.apache.cxf.jaxrs.ext.multipart.Attachment> attachments = multipartBody.getAllAttachments();
    int attachmentSize = attachments.size();
    if (attachmentSize <= 0) {
        throw new ActivitiIllegalArgumentException("No Attachments found with the request body");
    }
    AttachmentDataHolder attachmentDataHolder = new AttachmentDataHolder();
    for (int i = 0; i < attachmentSize; i++) {
        org.apache.cxf.jaxrs.ext.multipart.Attachment attachment = attachments.get(i);
        String contentDispositionHeaderValue = attachment.getHeader("Content-Disposition");
        String contentType = attachment.getHeader("Content-Type");
        if (debugEnabled) {
            log.debug("Going to iterate:" + i);
            log.debug("contentDisposition:" + contentDispositionHeaderValue);
        }
        if (contentDispositionHeaderValue != null) {
            contentDispositionHeaderValue = contentDispositionHeaderValue.trim();
            Map<String, String> contentDispositionHeaderValueMap = Utils.processContentDispositionHeader(contentDispositionHeaderValue);
            String dispositionName = contentDispositionHeaderValueMap.get("name");
            DataHandler dataHandler = attachment.getDataHandler();
            OutputStream outputStream = null;
            if ("name".equals(dispositionName)) {
                try {
                    outputStream = Utils.getAttachmentStream(dataHandler.getInputStream());
                } catch (IOException e) {
                    throw new ActivitiIllegalArgumentException("Attachment Name Reading error occured", e);
                }
                if (outputStream != null) {
                    String fileName = outputStream.toString();
                    attachmentDataHolder.setName(fileName);
                }
            } else if ("type".equals(dispositionName)) {
                try {
                    outputStream = Utils.getAttachmentStream(dataHandler.getInputStream());
                } catch (IOException e) {
                    throw new ActivitiIllegalArgumentException("Attachment Type Reading error occured", e);
                }
                if (outputStream != null) {
                    String typeName = outputStream.toString();
                    attachmentDataHolder.setType(typeName);
                }
            } else if ("scope".equals(dispositionName)) {
                try {
                    outputStream = Utils.getAttachmentStream(dataHandler.getInputStream());
                } catch (IOException e) {
                    throw new ActivitiIllegalArgumentException("Attachment Description Reading error occured", e);
                }
                if (outputStream != null) {
                    String description = outputStream.toString();
                    attachmentDataHolder.setScope(description);
                }
            }
            if (contentType != null) {
                if ("file".equals(dispositionName)) {
                    InputStream inputStream = null;
                    try {
                        inputStream = dataHandler.getInputStream();
                    } catch (IOException e) {
                        throw new ActivitiIllegalArgumentException("Error Occured During processing empty body.", e);
                    }
                    if (inputStream != null) {
                        attachmentDataHolder.setContentType(contentType);
                        byte[] attachmentArray = new byte[0];
                        try {
                            attachmentArray = IOUtils.toByteArray(inputStream);
                        } catch (IOException e) {
                            throw new ActivitiIllegalArgumentException("Processing Attachment Body Failed.", e);
                        }
                        attachmentDataHolder.setAttachmentArray(attachmentArray);
                    }
                }
            }
        }
    }
    attachmentDataHolder.printDebug();
    if (attachmentDataHolder.getName() == null) {
        throw new ActivitiIllegalArgumentException("Attachment name is required.");
    }
    if (attachmentDataHolder.getAttachmentArray() == null) {
        throw new ActivitiIllegalArgumentException("Empty attachment body was found in request body after " + "decoding the request" + ".");
    }
    String variableScope = attachmentDataHolder.getScope();
    String variableName = attachmentDataHolder.getName();
    String variableType = attachmentDataHolder.getType();
    if (log.isDebugEnabled()) {
        log.debug("variableScope:" + variableScope + " variableName:" + variableName + " variableType:" + variableType);
    }
    try {
        // Validate input and set defaults
        if (variableName == null) {
            throw new ActivitiIllegalArgumentException("No variable name was found in request body.");
        }
        if (variableType != null) {
            if (!RestResponseFactory.BYTE_ARRAY_VARIABLE_TYPE.equals(variableType) && !RestResponseFactory.SERIALIZABLE_VARIABLE_TYPE.equals(variableType)) {
                throw new ActivitiIllegalArgumentException("Only 'binary' and 'serializable' are supported as variable type.");
            }
        } else {
            variableType = RestResponseFactory.BYTE_ARRAY_VARIABLE_TYPE;
        }
        RestVariable.RestVariableScope scope = RestVariable.RestVariableScope.LOCAL;
        if (variableScope != null) {
            scope = RestVariable.getScopeFromString(variableScope);
        }
        if (RestResponseFactory.BYTE_ARRAY_VARIABLE_TYPE.equals(variableType)) {
            // Use raw bytes as variable value
            setVariable(execution, variableName, attachmentDataHolder.getAttachmentArray(), scope, isNew);
        } else {
            // Try deserializing the object
            try (InputStream inputStream = new ByteArrayInputStream(attachmentDataHolder.getAttachmentArray());
                ObjectInputStream stream = new ObjectInputStream(inputStream)) {
                Object value = stream.readObject();
                setVariable(execution, variableName, value, scope, isNew);
            }
        }
        if (responseVariableType == RestResponseFactory.VARIABLE_PROCESS) {
            return new RestResponseFactory().createBinaryRestVariable(variableName, scope, variableType, null, null, execution.getId(), uriInfo.getBaseUri().toString());
        } else {
            return new RestResponseFactory().createBinaryRestVariable(variableName, scope, variableType, null, execution.getId(), null, uriInfo.getBaseUri().toString());
        }
    } catch (IOException ioe) {
        throw new ActivitiIllegalArgumentException("Could not process multipart content", ioe);
    } catch (ClassNotFoundException ioe) {
        throw new BPMNContentNotSupportedException("The provided body contains a serialized object for which the class is nog found: " + ioe.getMessage());
    }
}

Example 19 with RestVariable

use of org.wso2.carbon.bpmn.rest.engine.variable.RestVariable in project carbon-business-process by wso2.

the class BaseExecutionService method getVariablesToSet.

protected Map<String, Object> getVariablesToSet(CorrelationActionRequest correlationActionRequest) {
    Map<String, Object> variablesToSet = new HashMap<String, Object>();
    for (RestVariable var : correlationActionRequest.getVariables()) {
        if (var.getName() == null) {
            throw new ActivitiIllegalArgumentException("Variable name is required");
        }
        Object actualVariableValue = new RestResponseFactory().getVariableValue(var);
        variablesToSet.put(var.getName(), actualVariableValue);
    }
    return variablesToSet;
}

Example 20 with RestVariable

use of org.wso2.carbon.bpmn.rest.engine.variable.RestVariable in project carbon-business-process by wso2.

the class BaseExecutionService method addGlobalVariables.

protected void addGlobalVariables(Execution execution, int variableType, Map<String, RestVariable> variableMap, UriInfo uriInfo) {
    RuntimeService runtimeService = BPMNOSGIService.getRuntimeService();
    Map<String, Object> rawVariables = runtimeService.getVariables(execution.getId());
    List<RestVariable> globalVariables = new RestResponseFactory().createRestVariables(rawVariables, execution.getId(), variableType, RestVariable.RestVariableScope.GLOBAL, uriInfo.getBaseUri().toString());
    // since local variables get precedence over global ones at all times.
    for (RestVariable var : globalVariables) {
        if (!variableMap.containsKey(var.getName())) {
            variableMap.put(var.getName(), var);
        }
    }
}