/**
* Method updates existing Spring bean definitions in a XML application context file. Bean
* definition is identified by its type defining class.
*
* @param project
* @param type
* @param jaxbElement
*/
public void updateBeanDefinitions(
File configFile, Project project, Class<?> type, Object jaxbElement) {
Source xsltSource;
Source xmlSource;
try {
xsltSource =
new StreamSource(
new ClassPathResource("transform/update-bean-type.xsl").getInputStream());
xsltSource.setSystemId("update-bean");
List<File> configFiles = new ArrayList<>();
configFiles.add(configFile);
configFiles.addAll(getConfigImports(configFile, project));
LSParser parser = XMLUtils.createLSParser();
GetSpringBeansFilter getBeanFilter = new GetSpringBeansFilter(type, null);
parser.setFilter(getBeanFilter);
for (File file : configFiles) {
parser.parseURI(file.toURI().toString());
if (!CollectionUtils.isEmpty(getBeanFilter.getBeanDefinitions())) {
xmlSource = new StringSource(FileUtils.readToString(new FileInputStream(file)));
String beanElement = type.getAnnotation(XmlRootElement.class).name();
String beanNamespace = type.getPackage().getAnnotation(XmlSchema.class).namespace();
// create transformer
Transformer transformer = transformerFactory.newTransformer(xsltSource);
transformer.setParameter("bean_element", beanElement);
transformer.setParameter("bean_namespace", beanNamespace);
transformer.setParameter(
"bean_content",
getXmlContent(jaxbElement)
.replaceAll("(?m)^(\\s<)", getTabs(1, project.getSettings().getTabSize()) + "$1")
.replaceAll("(?m)^(</)", getTabs(1, project.getSettings().getTabSize()) + "$1"));
// transform
StringResult result = new StringResult();
transformer.transform(xmlSource, result);
FileUtils.writeToFile(
format(result.toString(), project.getSettings().getTabSize()), file);
return;
}
}
} catch (IOException e) {
throw new ApplicationRuntimeException(UNABLE_TO_READ_TRANSFORMATION_SOURCE, e);
} catch (TransformerException e) {
throw new ApplicationRuntimeException(FAILED_TO_UPDATE_BEAN_DEFINITION, e);
}
}
/**
* Reads file import locations from Spring bean application context.
*
* @param project
* @return
*/
public List<File> getConfigImports(File configFile, Project project) {
LSParser parser = XMLUtils.createLSParser();
GetSpringImportsFilter filter = new GetSpringImportsFilter(configFile);
parser.setFilter(filter);
parser.parseURI(configFile.toURI().toString());
return filter.getImportedFiles();
}
/**
* Finds bean definition element by id and type in Spring application context and performs
* unmarshalling in order to return JaxB object.
*
* @param project
* @param id
* @param type
* @return
*/
public <T> T getBeanDefinition(File configFile, Project project, String id, Class<T> type) {
LSParser parser = XMLUtils.createLSParser();
GetSpringBeanFilter filter = new GetSpringBeanFilter(id, type);
parser.setFilter(filter);
List<File> configFiles = new ArrayList<>();
configFiles.add(configFile);
configFiles.addAll(getConfigImports(configFile, project));
for (File file : configFiles) {
parser.parseURI(file.toURI().toString());
if (filter.getBeanDefinition() != null) {
return createJaxbObjectFromElement(filter.getBeanDefinition());
}
}
return null;
}
/**
* Finds all bean definition elements by type and attribute values in Spring application context
* and performs unmarshalling in order to return a list of JaxB object.
*
* @param project
* @param type
* @param attributes
* @return
*/
public <T> List<T> getBeanDefinitions(
File configFile, Project project, Class<T> type, Map<String, String> attributes) {
List<T> beanDefinitions = new ArrayList<T>();
List<File> importedFiles = getConfigImports(configFile, project);
for (File importLocation : importedFiles) {
beanDefinitions.addAll(getBeanDefinitions(importLocation, project, type, attributes));
}
LSParser parser = XMLUtils.createLSParser();
GetSpringBeansFilter filter = new GetSpringBeansFilter(type, attributes);
parser.setFilter(filter);
parser.parseURI(configFile.toURI().toString());
for (Element element : filter.getBeanDefinitions()) {
beanDefinitions.add(createJaxbObjectFromElement(element));
}
return beanDefinitions;
}