/* 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.activiti.bpmn.converter.export;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.xml.stream.XMLStreamWriter;
import org.activiti.bpmn.constants.BpmnXMLConstants;
import org.activiti.bpmn.converter.util.BpmnXMLUtil;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.bpmn.model.ExtensionAttribute;
import org.apache.commons.lang3.StringUtils;
public class DefinitionsRootExport implements BpmnXMLConstants {
/** default namespaces for definitions */
protected static final Set<String> defaultNamespaces = new HashSet<String>(
Arrays.asList(XSI_PREFIX, XSD_PREFIX, ACTIVITI_EXTENSIONS_PREFIX, BPMNDI_PREFIX, OMGDC_PREFIX, OMGDI_PREFIX));
protected static final List<ExtensionAttribute> defaultAttributes = Arrays.asList(
new ExtensionAttribute(TYPE_LANGUAGE_ATTRIBUTE),
new ExtensionAttribute(EXPRESSION_LANGUAGE_ATTRIBUTE),
new ExtensionAttribute(TARGET_NAMESPACE_ATTRIBUTE)
);
@SuppressWarnings("unchecked")
public static void writeRootElement(BpmnModel model, XMLStreamWriter xtw, String encoding) throws Exception {
xtw.writeStartDocument(encoding, "1.0");
// start definitions root element
xtw.writeStartElement(ELEMENT_DEFINITIONS);
xtw.setDefaultNamespace(BPMN2_NAMESPACE);
xtw.writeDefaultNamespace(BPMN2_NAMESPACE);
xtw.writeNamespace(XSI_PREFIX, XSI_NAMESPACE);
xtw.writeNamespace(XSD_PREFIX, SCHEMA_NAMESPACE);
xtw.writeNamespace(ACTIVITI_EXTENSIONS_PREFIX, ACTIVITI_EXTENSIONS_NAMESPACE);
xtw.writeNamespace(BPMNDI_PREFIX, BPMNDI_NAMESPACE);
xtw.writeNamespace(OMGDC_PREFIX, OMGDC_NAMESPACE);
xtw.writeNamespace(OMGDI_PREFIX, OMGDI_NAMESPACE);
for (String prefix : model.getNamespaces().keySet()) {
if (!defaultNamespaces.contains(prefix) && StringUtils.isNotEmpty(prefix))
xtw.writeNamespace(prefix, model.getNamespaces().get(prefix));
}
xtw.writeAttribute(TYPE_LANGUAGE_ATTRIBUTE, SCHEMA_NAMESPACE);
xtw.writeAttribute(EXPRESSION_LANGUAGE_ATTRIBUTE, XPATH_NAMESPACE);
if (StringUtils.isNotEmpty(model.getTargetNamespace())) {
xtw.writeAttribute(TARGET_NAMESPACE_ATTRIBUTE, model.getTargetNamespace());
} else {
xtw.writeAttribute(TARGET_NAMESPACE_ATTRIBUTE, PROCESS_NAMESPACE);
}
BpmnXMLUtil.writeCustomAttributes(model.getDefinitionsAttributes().values(), xtw, model.getNamespaces(), defaultAttributes);
}
}