public boolean isSame(SourceMethod method) {
return getSourceParameters().size() == 1
&& method.getSourceParameters().size() == 1
&& equals(
first(getSourceParameters()).getType(), first(method.getSourceParameters()).getType())
&& equals(getResultType(), method.getResultType());
}
public boolean canInheritFrom(SourceMethod method) {
return isMapMapping() == method.isMapMapping()
&& isIterableMapping() == method.isIterableMapping()
&& isEnumMapping() == method.isEnumMapping()
&& getResultType().isAssignableTo(method.getResultType())
&& allParametersAreAssignable(getSourceParameters(), method.getSourceParameters());
}
/**
* Creates a copy of this reference, which is adapted to the given method
*
* @param method the method to create the copy for
* @return the copy
*/
public SourceReference copyForInheritanceTo(SourceMethod method) {
List<Parameter> replacementParamCandidates = new ArrayList<Parameter>();
for (Parameter sourceParam : method.getSourceParameters()) {
if (sourceParam.getType().isAssignableTo(parameter.getType())) {
replacementParamCandidates.add(sourceParam);
}
}
Parameter replacement = parameter;
if (replacementParamCandidates.size() == 1) {
replacement = first(replacementParamCandidates);
}
return new SourceReference(replacement, propertyEntries, isValid);
}
public SourceReference build() {
String sourceName = mapping.getSourceName();
if (sourceName == null) {
return null;
}
boolean isValid = true;
boolean foundEntryMatch;
String[] sourcePropertyNames = new String[0];
String[] segments = sourceName.split("\\.");
Parameter parameter = null;
List<PropertyEntry> entries = new ArrayList<PropertyEntry>();
if (method.getSourceParameters().size() > 1) {
// parameterName is mandatory for multiple source parameters
if (segments.length > 0) {
String sourceParameterName = segments[0];
parameter = method.getSourceParameter(sourceParameterName);
if (parameter == null) {
reportMappingError(Message.PROPERTYMAPPING_INVALID_PARAMETER_NAME, sourceParameterName);
isValid = false;
}
}
if (segments.length > 1 && parameter != null) {
sourcePropertyNames = Arrays.copyOfRange(segments, 1, segments.length);
entries = getSourceEntries(parameter.getType(), sourcePropertyNames);
foundEntryMatch = (entries.size() == sourcePropertyNames.length);
} else {
// its only a parameter, no property
foundEntryMatch = true;
}
} else {
// parameter name is not mandatory for single source parameter
sourcePropertyNames = segments;
parameter = method.getSourceParameters().get(0);
entries = getSourceEntries(parameter.getType(), sourcePropertyNames);
foundEntryMatch = (entries.size() == sourcePropertyNames.length);
if (!foundEntryMatch) {
// Lets see if the expression contains the parameterName, so
// parameterName.propName1.propName2
if (parameter.getName().equals(segments[0])) {
sourcePropertyNames = Arrays.copyOfRange(segments, 1, segments.length);
entries = getSourceEntries(parameter.getType(), sourcePropertyNames);
foundEntryMatch = (entries.size() == sourcePropertyNames.length);
} else {
// segment[0] cannot be attributed to the parameter name.
parameter = null;
}
}
}
if (!foundEntryMatch) {
if (parameter != null) {
reportMappingError(
Message.PROPERTYMAPPING_NO_PROPERTY_IN_PARAMETER,
parameter.getName(),
Strings.join(Arrays.asList(sourcePropertyNames), "."));
} else {
reportMappingError(
Message.PROPERTYMAPPING_INVALID_PROPERTY_NAME, mapping.getSourceName());
}
isValid = false;
}
return new SourceReference(parameter, entries, isValid);
}