in packages/dashbuilder/appformer/uberfire-workbench/uberfire-workbench-processors/src/main/java/org/uberfire/annotations/processors/ScreenActivityGenerator.java [51:318]
public StringBuffer generate(final String packageName,
final PackageElement packageElement,
final String className,
final Element element,
final ProcessingEnvironment processingEnvironment) throws GenerationException {
final Messager messager = processingEnvironment.getMessager();
messager.printMessage(Kind.NOTE,
"Starting code generation for [" + className + "]");
final Elements elementUtils = processingEnvironment.getElementUtils();
//Extract required information
final TypeElement classElement = (TypeElement) element;
final String annotationName = ClientAPIModule.getWorkbenchScreenClass();
final boolean isDynamic = ClientAPIModule.getWbScreenIsDynamicValueOnClass(classElement);
String identifier = null;
Integer preferredHeight = null;
Integer preferredWidth = null;
for (final AnnotationMirror am : classElement.getAnnotationMirrors()) {
if (annotationName.equals(am.getAnnotationType().toString())) {
for (Map.Entry<? extends ExecutableElement, ? extends AnnotationValue> entry : am.getElementValues()
.entrySet()) {
AnnotationValue aval = entry.getValue();
if ("identifier".equals(entry.getKey().getSimpleName().toString())) {
identifier = aval.getValue().toString();
} else if ("preferredHeight".equals(entry.getKey().getSimpleName().toString())) {
final int _preferredHeight = (Integer) aval.getValue();
if (_preferredHeight > 0) {
preferredHeight = _preferredHeight;
}
} else if ("preferredWidth".equals(entry.getKey().getSimpleName().toString())) {
final int _preferredWidth = (Integer) aval.getValue();
if (_preferredWidth > 0) {
preferredWidth = _preferredWidth;
}
}
}
break;
}
}
final String owningPlace = GeneratorUtils.getOwningPerspectivePlaceRequest(classElement,
processingEnvironment);
final String beanActivatorClass = GeneratorUtils.getBeanActivatorClassName(classElement,
processingEnvironment);
final ExecutableElement onStartupMethod = GeneratorUtils.getOnStartupMethodForNonEditors(classElement,
processingEnvironment);
final String onStartup0ParameterMethodName;
final String onStartup1ParameterMethodName;
if (onStartupMethod == null) {
onStartup0ParameterMethodName = null;
onStartup1ParameterMethodName = null;
} else if (onStartupMethod.getParameters().isEmpty()) {
onStartup0ParameterMethodName = onStartupMethod.getSimpleName().toString();
onStartup1ParameterMethodName = null;
} else {
onStartup0ParameterMethodName = null;
onStartup1ParameterMethodName = onStartupMethod.getSimpleName().toString();
}
final String onMayCloseMethodName = GeneratorUtils.getOnMayCloseMethodName(classElement,
processingEnvironment);
final String onCloseMethodName = GeneratorUtils.getOnCloseMethodName(classElement,
processingEnvironment);
final String onShutdownMethodName = GeneratorUtils.getOnShutdownMethodName(classElement,
processingEnvironment);
final String onOpenMethodName = GeneratorUtils.getOnOpenMethodName(classElement,
processingEnvironment);
final String onLostFocusMethodName = GeneratorUtils.getOnLostFocusMethodName(classElement,
processingEnvironment);
final String onFocusMethodName = GeneratorUtils.getOnFocusMethodName(classElement,
processingEnvironment);
final String getDefaultPositionMethodName = GeneratorUtils.getDefaultPositionMethodName(classElement,
processingEnvironment);
final String getTitleMethodName = GeneratorUtils.getTitleMethodName(classElement,
processingEnvironment);
final String getContextIdMethodName = GeneratorUtils.getContextIdMethodName(classElement,
processingEnvironment);
final ExecutableElement getTitleWidgetMethod = GeneratorUtils.getTitleWidgetMethodName(classElement,
processingEnvironment);
final String getTitleWidgetMethodName = getTitleWidgetMethod == null ? null : getTitleWidgetMethod
.getSimpleName().toString();
final boolean isTitleWidgetMethodReturnTypeElement = getTitleWidgetMethod != null && GeneratorUtils
.getIsElement(getTitleWidgetMethod.getReturnType(),
processingEnvironment);
final ExecutableElement getWidgetMethod = GeneratorUtils.getWidgetMethodName(classElement,
processingEnvironment);
final String getWidgetMethodName = getWidgetMethod == null ? null : getWidgetMethod.getSimpleName().toString();
final boolean isWidgetMethodReturnTypeElement = getWidgetMethod != null && GeneratorUtils.getIsElement(
getWidgetMethod.getReturnType(),
processingEnvironment);
final boolean hasPresenterInitMethod = GeneratorUtils.hasPresenterInitMethod(classElement,
processingEnvironment, getWidgetMethod);
final boolean isWidget = GeneratorUtils.getIsWidget(classElement,
processingEnvironment);
final boolean needsElementWrapper = isWidgetMethodReturnTypeElement || isTitleWidgetMethodReturnTypeElement;
final List<String> qualifiers = GeneratorUtils.getAllQualifiersDeclarationFromType(classElement);
if (GeneratorUtils.debugLoggingEnabled()) {
messager.printMessage(Kind.NOTE,
"Package name: " + packageName);
messager.printMessage(Kind.NOTE,
"Class name: " + className);
messager.printMessage(Kind.NOTE,
"Identifier: " + identifier);
messager.printMessage(Kind.NOTE,
"Owning Perspective Identifier: " + owningPlace);
messager.printMessage(Kind.NOTE,
"Preferred Height: " + preferredHeight);
messager.printMessage(Kind.NOTE,
"Preferred Width: " + preferredWidth);
messager.printMessage(Kind.NOTE,
"getContextIdMethodName: " + getContextIdMethodName);
messager.printMessage(Kind.NOTE,
"onStartup0ParameterMethodName: " + onStartup0ParameterMethodName);
messager.printMessage(Kind.NOTE,
"onStartup1ParameterMethodName: " + onStartup1ParameterMethodName);
messager.printMessage(Kind.NOTE,
"onMayCloseMethodName: " + onMayCloseMethodName);
messager.printMessage(Kind.NOTE,
"onCloseMethodName: " + onCloseMethodName);
messager.printMessage(Kind.NOTE,
"onShutdownMethodName: " + onShutdownMethodName);
messager.printMessage(Kind.NOTE,
"onOpenMethodName: " + onOpenMethodName);
messager.printMessage(Kind.NOTE,
"onLostFocusMethodName: " + onLostFocusMethodName);
messager.printMessage(Kind.NOTE,
"onFocusMethodName: " + onFocusMethodName);
messager.printMessage(Kind.NOTE,
"getDefaultPositionMethodName: " + getDefaultPositionMethodName);
messager.printMessage(Kind.NOTE,
"getTitleMethodName: " + getTitleMethodName);
messager.printMessage(Kind.NOTE,
"getTitleWidgetMethodName: " + getTitleWidgetMethodName);
messager.printMessage(Kind.NOTE,
"isTitleWidgetMethodReturnTypeElement: " + isTitleWidgetMethodReturnTypeElement);
messager.printMessage(Kind.NOTE,
"getWidgetMethodName: " + getWidgetMethodName);
messager.printMessage(Kind.NOTE,
"isWidgetMethodReturnTypeElement: " + isWidgetMethodReturnTypeElement);
messager.printMessage(Kind.NOTE,
"isWidget: " + Boolean.toString(isWidget));
messager.printMessage(Kind.NOTE,
"hasPresenterInitMethod: " + Boolean.toString(hasPresenterInitMethod));
messager.printMessage(Kind.NOTE,
"needsElementWrapper: " + Boolean.toString(needsElementWrapper));
messager.printMessage(Kind.NOTE,
"Qualifiers: " + String.join(", ",
qualifiers));
}
//Validate getWidgetMethodName and isWidget
if (!isWidget && getWidgetMethodName == null) {
throw new GenerationException(
"The WorkbenchScreen must either extend IsWidget or provide a @WorkbenchPartView annotated method to return a com.google.gwt.user.client.ui.IsWidget or preferably org.jboss.errai.common.client.api.IsElement.",
packageName + "." + className);
}
if (isWidget && getWidgetMethodName != null) {
final String msg =
"The WorkbenchScreen both extends com.google.gwt.user.client.ui.IsWidget and provides a @WorkbenchPartView annotated method. The annotated method will take precedence.";
messager.printMessage(Kind.WARNING,
msg,
classElement);
}
//Validate getTitleMethodName and getTitleWidgetMethodName
if (getTitleMethodName == null) {
throw new GenerationException(
"The WorkbenchScreen must provide a @WorkbenchPartTitle annotated method to return a java.lang.String.",
packageName + "." + className);
}
//Setup data for template sub-system
Map<String, Object> root = new HashMap<String, Object>();
root.put("packageName",
packageName);
root.put("className",
className);
root.put("identifier",
identifier);
root.put("owningPlace",
owningPlace);
root.put("preferredHeight",
preferredHeight);
root.put("preferredWidth",
preferredWidth);
root.put("getContextIdMethodName",
getContextIdMethodName);
root.put("realClassName",
classElement.getSimpleName().toString());
root.put("beanActivatorClass",
beanActivatorClass);
root.put("onStartup0ParameterMethodName",
onStartup0ParameterMethodName);
root.put("onStartup1ParameterMethodName",
onStartup1ParameterMethodName);
root.put("onMayCloseMethodName",
onMayCloseMethodName);
root.put("onCloseMethodName",
onCloseMethodName);
root.put("onShutdownMethodName",
onShutdownMethodName);
root.put("onOpenMethodName",
onOpenMethodName);
root.put("onLostFocusMethodName",
onLostFocusMethodName);
root.put("onFocusMethodName",
onFocusMethodName);
root.put("getDefaultPositionMethodName",
getDefaultPositionMethodName);
root.put("getTitleMethodName",
getTitleMethodName);
root.put("getTitleWidgetMethodName",
getTitleWidgetMethodName);
root.put("isTitleWidgetMethodReturnTypeElement",
isTitleWidgetMethodReturnTypeElement);
root.put("getWidgetMethodName",
getWidgetMethodName);
root.put("isWidgetMethodReturnTypeElement",
isWidgetMethodReturnTypeElement);
root.put("isWidget",
isWidget);
root.put("hasPresenterInitMethod",
hasPresenterInitMethod);
root.put("needsElementWrapper",
needsElementWrapper);
root.put("isDynamic",
isDynamic);
root.put("qualifiers",
qualifiers);
//Generate code
final StringWriter sw = new StringWriter();
final BufferedWriter bw = new BufferedWriter(sw);
try {
final Template template = config.getTemplate("activityScreen.ftl");
template.process(root,
bw);
} catch (IOException ioe) {
throw new GenerationException(ioe);
} catch (TemplateException te) {
throw new GenerationException(te);
} finally {
try {
bw.close();
sw.close();
} catch (IOException ioe) {
throw new GenerationException(ioe);
}
}
messager.printMessage(Kind.NOTE,
"Successfully generated code for [" + className + "]");
return sw.getBuffer();
}