org.flowable.cmmn.converter.export.ServiceTaskExport.java Source code

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Here is the source code for org.flowable.cmmn.converter.export.ServiceTaskExport.java

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/* Licensed 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.flowable.cmmn.converter.export;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;

import org.apache.commons.lang3.StringUtils;
import org.flowable.cmmn.model.FieldExtension;
import org.flowable.cmmn.model.HttpServiceTask;
import org.flowable.cmmn.model.ImplementationType;
import org.flowable.cmmn.model.ServiceTask;
import org.flowable.cmmn.model.TaskWithFieldExtensions;

public class ServiceTaskExport extends AbstractPlanItemDefinitionExport {

    public static void writeTask(ServiceTask task, XMLStreamWriter xtw) throws Exception {
        // start task element
        xtw.writeStartElement(ELEMENT_TASK);
        writeCommonTaskAttributes(xtw, task);

        if (StringUtils.isNotEmpty(task.getType())) {
            xtw.writeAttribute(FLOWABLE_EXTENSIONS_PREFIX, FLOWABLE_EXTENSIONS_NAMESPACE, ATTRIBUTE_TYPE,
                    task.getType());

            if (ServiceTask.JAVA_TASK.equals(task.getType())) {
                if (StringUtils.isNotEmpty(task.getImplementation())) {
                    if (ImplementationType.IMPLEMENTATION_TYPE_CLASS.equals(task.getImplementationType())) {
                        xtw.writeAttribute(FLOWABLE_EXTENSIONS_PREFIX, FLOWABLE_EXTENSIONS_NAMESPACE,
                                ATTRIBUTE_CLASS, task.getImplementation());

                    } else if (ImplementationType.IMPLEMENTATION_TYPE_EXPRESSION
                            .equals(task.getImplementationType())) {
                        xtw.writeAttribute(FLOWABLE_EXTENSIONS_PREFIX, FLOWABLE_EXTENSIONS_NAMESPACE,
                                ATTRIBUTE_EXPRESSION, task.getImplementation());

                    } else if (ImplementationType.IMPLEMENTATION_TYPE_DELEGATEEXPRESSION
                            .equals(task.getImplementationType())) {
                        xtw.writeAttribute(FLOWABLE_EXTENSIONS_PREFIX, FLOWABLE_EXTENSIONS_NAMESPACE,
                                ATTRIBUTE_DELEGATE_EXPRESSION, task.getImplementation());
                    }
                }

                if (StringUtils.isNotEmpty(task.getResultVariableName())) {
                    xtw.writeAttribute(FLOWABLE_EXTENSIONS_PREFIX, FLOWABLE_EXTENSIONS_NAMESPACE,
                            ATTRIBUTE_RESULT_VARIABLE_NAME, task.getResultVariableName());
                }

            }
        }
        if (HttpServiceTask.HTTP_TASK.equals(task.getType())) {
            if (StringUtils.isNotEmpty(task.getImplementation())) {
                xtw.writeAttribute(FLOWABLE_EXTENSIONS_PREFIX, FLOWABLE_EXTENSIONS_NAMESPACE, ATTRIBUTE_CLASS,
                        task.getImplementation());
            }
        }

        writeExtensions(task, xtw);

        // end task element
        xtw.writeEndElement();
    }

    public static void writeExtensions(TaskWithFieldExtensions task, XMLStreamWriter xtw)
            throws XMLStreamException {
        if (task.getFieldExtensions().size() > 0) {
            xtw.writeStartElement(ELEMENT_EXTENSIONS);

            for (FieldExtension fieldExtension : task.getFieldExtensions()) {
                xtw.writeStartElement(FLOWABLE_EXTENSIONS_PREFIX, ELEMENT_FIELD, FLOWABLE_EXTENSIONS_NAMESPACE);
                xtw.writeAttribute(ATTRIBUTE_NAME, fieldExtension.getFieldName());

                if (StringUtils.isNotEmpty(fieldExtension.getStringValue())) {
                    xtw.writeStartElement(FLOWABLE_EXTENSIONS_PREFIX, ELEMENT_FIELD_STRING,
                            FLOWABLE_EXTENSIONS_NAMESPACE);
                    xtw.writeCData(fieldExtension.getStringValue());
                } else {
                    xtw.writeStartElement(FLOWABLE_EXTENSIONS_PREFIX, ATTRIBUTE_FIELD_EXPRESSION,
                            FLOWABLE_EXTENSIONS_NAMESPACE);
                    xtw.writeCData(fieldExtension.getExpression());
                }
                xtw.writeEndElement();
                xtw.writeEndElement();
            }

            xtw.writeEndElement();
        }
    }

}