/**
* Snoops through the declaring class and all parents looking for methods
*
* <ul>
* <li><code>public String getMessage(java.lang.String)</code>
* <li><code>public String getMessage(java.lang.String, java.util.Locale)</code>
* <li><code>public String getMessage(java.lang.String, java.lang.Object[])</code>
* <li><code>public String getMessage(java.lang.String, java.lang.Object[], java.util.Locale)
* </code>
* <li><code>public String getMessage(java.lang.String, java.util.List)</code>
* <li><code>public String getMessage(java.lang.String, java.util.List, java.util.Locale)</code>
* <li><code>public String getMessage(java.lang.String, java.util.Map)</code>
* <li><code>public String getMessage(java.lang.String, java.util.Map, java.util.Locale)</code>
* <li><code>public String getMessage(java.lang.String, java.lang.String)</code>
* <li><code>public String getMessage(java.lang.String, java.lang.String, java.util.Locale)
* </code>
* <li><code>public String getMessage(java.lang.String, java.lang.Object[], java.lang.String)
* </code>
* <li><code>
* public String getMessage(java.lang.String, java.lang.Object[], java.lang.String, java.util.Locale)
* </code>
* <li><code>public String getMessage(java.lang.String, java.util.List, java.lang.String)</code>
* <li><code>
* public String getMessage(java.lang.String, java.util.List, java.lang.String, java.util.Locale)
* </code>
* <li><code>public String getMessage(java.lang.String, java.util.Map, java.lang.String)</code>
* <li><code>
* public String getMessage(java.lang.String, java.util.Map, java.lang.String, java.util.Locale)
* </code>
* </ul>
*
* If any are defined all must be defined or a compilation error results.
*
* @param declaringClass the class to search
* @param sourceUnit the source unit, for error reporting. {@code @NotNull}.
* @return true if property change support should be added
*/
protected static boolean needsMessageSource(ClassNode declaringClass, SourceUnit sourceUnit) {
boolean found = false;
ClassNode consideredClass = declaringClass;
while (consideredClass != null) {
for (MethodNode method : consideredClass.getMethods()) {
// just check length, MOP will match it up
found = method.getName().equals(METHOD_GET_MESSAGE) && method.getParameters().length == 1;
found |= method.getName().equals(METHOD_GET_MESSAGE) && method.getParameters().length == 2;
found |= method.getName().equals(METHOD_GET_MESSAGE) && method.getParameters().length == 3;
found |= method.getName().equals(METHOD_GET_MESSAGE) && method.getParameters().length == 4;
if (found) return false;
}
consideredClass = consideredClass.getSuperClass();
}
if (found) {
sourceUnit
.getErrorCollector()
.addErrorAndContinue(
new SimpleMessage(
"@MessageSourceAware cannot be processed on "
+ declaringClass.getName()
+ " because some but not all of variants of getMessage() were declared in the current class or super classes.",
sourceUnit));
return false;
}
return true;
}
public static void addResourceLocatorIfNeeded(SourceUnit source, ClassNode classNode) {
if (needsMessageSource(classNode, source)) {
if (LOG.isDebugEnabled()) {
LOG.debug("Injecting " + ResourceLocator.class.getName() + " into " + classNode.getName());
}
apply(classNode);
}
}
private FieldNode getKeyField(ClassNode target) {
List<FieldNode> annotatedFields = getAnnotatedFieldsOfHierarchy(target, KEY_ANNOTATION);
if (annotatedFields.isEmpty()) return null;
if (annotatedFields.size() > 1) {
addCompileError(
String.format(
"Found more than one key fields, only one is allowed in hierarchy (%s, %s)",
getQualifiedName(annotatedFields.get(0)), getQualifiedName(annotatedFields.get(1))),
annotatedFields.get(0));
return null;
}
FieldNode result = annotatedFields.get(0);
if (!result.getType().equals(ClassHelper.STRING_TYPE)) {
addCompileError(
String.format(
"Key field '%s' must be of type String, but is '%s' instead",
result.getName(), result.getType().getName()),
result);
return null;
}
ClassNode ancestor = ASTHelper.getHighestAncestorDSLObject(target);
if (target.equals(ancestor)) return result;
FieldNode firstKey = getKeyField(ancestor);
if (firstKey == null) {
addCompileError(
String.format(
"Inconsistent hierarchy: Toplevel class %s has no key, but child class %s defines '%s'.",
ancestor.getName(), target.getName(), result.getName()),
result);
return null;
}
return result;
}
private void createMapOfDSLObjectMethods(
FieldNode fieldNode, ClassNode keyType, ClassNode elementType) {
if (getKeyField(elementType) == null) {
addCompileError(
String.format(
"Value type of map %s (%s) has no key field",
fieldNode.getName(), elementType.getName()),
fieldNode);
return;
}
MethodBuilder.createPublicMethod(fieldNode.getName())
.closureParam("closure")
.assignS(propX(varX("closure"), "delegate"), varX("this"))
.assignS(
propX(varX("closure"), "resolveStrategy"),
propX(classX(ClassHelper.CLOSURE_TYPE), "DELEGATE_FIRST"))
.callMethod("closure", "call")
.addTo(annotatedClass);
String methodName = getElementNameForCollectionField(fieldNode);
String targetOwner = getOwnerFieldName(elementType);
if (!ASTHelper.isAbstract(elementType)) {
MethodBuilder.createPublicMethod(methodName)
.returning(elementType)
.namedParams("values")
.param(keyType, "key")
.delegatingClosureParam(elementType)
.declareVariable("created", callX(classX(elementType), "newInstance", args("key")))
.callMethod("created", "copyFromTemplate")
.optionalAssignThisToPropertyS("created", targetOwner, targetOwner)
.callMethod(fieldNode.getName(), "put", args(varX("key"), varX("created")))
.callMethod("created", "apply", args("values", "closure"))
.callValidationOn("created")
.doReturn("created")
.addTo(annotatedClass);
MethodBuilder.createPublicMethod(methodName)
.returning(elementType)
.param(keyType, "key")
.delegatingClosureParam(elementType)
.declareVariable("created", callX(classX(elementType), "newInstance", args("key")))
.callMethod("created", "copyFromTemplate")
.optionalAssignThisToPropertyS("created", targetOwner, targetOwner)
.callMethod(fieldNode.getName(), "put", args(varX("key"), varX("created")))
.callMethod("created", "apply", varX("closure"))
.callValidationOn("created")
.doReturn("created")
.addTo(annotatedClass);
}
if (!isFinal(elementType)) {
MethodBuilder.createPublicMethod(methodName)
.returning(elementType)
.namedParams("values")
.classParam("typeToCreate", elementType)
.param(keyType, "key")
.delegatingClosureParam(elementType)
.declareVariable("created", callX(varX("typeToCreate"), "newInstance", args("key")))
.callMethod("created", "copyFromTemplate")
.callMethod(fieldNode.getName(), "put", args(varX("key"), varX("created")))
.optionalAssignThisToPropertyS("created", targetOwner, targetOwner)
.callMethod("created", "apply", args("values", "closure"))
.callValidationOn("created")
.doReturn("created")
.addTo(annotatedClass);
MethodBuilder.createPublicMethod(methodName)
.returning(elementType)
.classParam("typeToCreate", elementType)
.param(keyType, "key")
.delegatingClosureParam(elementType)
.declareVariable("created", callX(varX("typeToCreate"), "newInstance", args("key")))
.callMethod("created", "copyFromTemplate")
.callMethod(fieldNode.getName(), "put", args(varX("key"), varX("created")))
.optionalAssignThisToPropertyS("created", targetOwner, targetOwner)
.callMethod("created", "apply", varX("closure"))
.callValidationOn("created")
.doReturn("created")
.addTo(annotatedClass);
}
//noinspection ConstantConditions
MethodBuilder.createPublicMethod(methodName)
.param(elementType, "value")
.callMethod(
fieldNode.getName(),
"put",
args(propX(varX("value"), getKeyField(elementType).getName()), varX("value")))
.optionalAssignThisToPropertyS("value", targetOwner, targetOwner)
.addTo(annotatedClass);
}
