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JdbcMapper
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Look at all implemented classes for methods+fields in JdbcMapperProcessor

This commit is contained in:
Travis Burtrum 2017-11-08 23:21:40 -05:00
parent b2c5235a81
commit f58e107ff5
2 changed files with 61 additions and 39 deletions
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85
jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/CompileTimeRowToObjectMapper.java
View File

@ -140,6 +140,14 @@ public class CompileTimeRowToObjectMapper {
}
}
public static List<DeclaredType> getAllImplementedTypes(final DeclaredType type, final List<DeclaredType> ret) {
ret.add(type);
for(final TypeMirror tm : JdbcMapperProcessor.getTypes().directSupertypes(type))
if(tm.getKind() == TypeKind.DECLARED && !tm.toString().equals("java.lang.Object"))
getAllImplementedTypes((DeclaredType) tm, ret);
return ret;
}
/**
* Build the structures necessary to do the mapping
*
@ -172,49 +180,52 @@ public class CompileTimeRowToObjectMapper {
mapFields.put(keys[i], null);
}
// public methods todo: does this do super methods too?
for (Element e : ((TypeElement)declaredReturnType.asElement()).getEnclosedElements()) {
if(e.getKind() != ElementKind.METHOD)
continue;
final ExecutableElement m = (ExecutableElement)e;
//System.out.printf("method: '%s', isSetterMethod: '%s'\n", m, isSetterMethod(m));
if (isSetterMethod(m)) {
String fieldName = m.getSimpleName().toString().substring(3).toUpperCase();
//System.out.println("METHOD-fieldName1: "+fieldName);
if (!mapFields.containsKey(fieldName)) {
fieldName = strippedKeys.get(fieldName);
if (fieldName == null)
continue;
//System.out.println("METHOD-fieldName2: "+fieldName);
}
final Element field = mapFields.get(fieldName);
// check for overloads
if (field == null) {
mapFields.put(fieldName, m);
} else {
// todo: does this work?
// fix for 'overloaded' methods when it comes to stripped keys, we want the exact match
final String thisName = m.getSimpleName().toString().substring(3).toUpperCase();
final String previousName = field.getSimpleName().toString().substring(3).toUpperCase();
//System.out.printf("thisName: '%s', previousName: '%s', mapFields.containsKey(thisName): %b, strippedKeys.containsKey(previousName): %b\n", thisName, previousName, mapFields.containsKey(thisName), strippedKeys.containsKey(previousName));
if(mapFields.containsKey(thisName) && strippedKeys.containsKey(previousName)) {
mapFields.put(fieldName, m);
} else if (!mapFields.containsKey(previousName) || !strippedKeys.containsKey(thisName)) {
throw new MapperException("Unable to choose between overloaded methods '" + m.getSimpleName().toString()
+ "' and '" + field.getSimpleName().toString() + "' for field '" + fieldName + "' on the '" + _returnTypeClass.toString() + "' class. Mapping is done using "
+ "a case insensitive comparison of SQL ResultSet columns to field "
+ "names and public setter methods on the return class. Columns are also "
+ "stripped of '_' and compared if no match is found with them.");
final List<DeclaredType> allTypes = getAllImplementedTypes(declaredReturnType, new ArrayList<>());
// public methods
// have to loop to get super methods too
for (final DeclaredType clazz : allTypes) {
for (Element e : ((TypeElement) clazz.asElement()).getEnclosedElements()) {
if (e.getKind() != ElementKind.METHOD)
continue;
final ExecutableElement m = (ExecutableElement) e;
//System.out.printf("method: '%s', isSetterMethod: '%s'\n", m, isSetterMethod(m));
if (isSetterMethod(m)) {
String fieldName = m.getSimpleName().toString().substring(3).toUpperCase();
//System.out.println("METHOD-fieldName1: "+fieldName);
if (!mapFields.containsKey(fieldName)) {
fieldName = strippedKeys.get(fieldName);
if (fieldName == null)
continue;
//System.out.println("METHOD-fieldName2: "+fieldName);
}
final Element field = mapFields.get(fieldName);
// check for overloads
if (field == null) {
mapFields.put(fieldName, m);
} else {
// todo: does this work?
// fix for 'overloaded' methods when it comes to stripped keys, we want the exact match
final String thisName = m.getSimpleName().toString().substring(3).toUpperCase();
final String previousName = field.getSimpleName().toString().substring(3).toUpperCase();
//System.out.printf("thisName: '%s', previousName: '%s', mapFields.containsKey(thisName): %b, strippedKeys.containsKey(previousName): %b\n", thisName, previousName, mapFields.containsKey(thisName), strippedKeys.containsKey(previousName));
if (mapFields.containsKey(thisName) && strippedKeys.containsKey(previousName)) {
mapFields.put(fieldName, m);
} else if (!mapFields.containsKey(previousName) || !strippedKeys.containsKey(thisName)) {
throw new MapperException("Unable to choose between overloaded methods '" + m.getSimpleName().toString()
+ "' and '" + field.getSimpleName().toString() + "' for field '" + fieldName + "' on the '" + _returnTypeClass.toString() + "' class. Mapping is done using "
+ "a case insensitive comparison of SQL ResultSet columns to field "
+ "names and public setter methods on the return class. Columns are also "
+ "stripped of '_' and compared if no match is found with them.");
}
// then the 'overloaded' method is already correct
}
// then the 'overloaded' method is already correct
}
}
}
// fix for 8813: include inherited and non-public fields
for (DeclaredType clazz = declaredReturnType; clazz != null && !clazz.toString().equals("java.lang.Object");
clazz = clazz.getEnclosingType().getKind() == TypeKind.DECLARED ? (DeclaredType)clazz.getEnclosingType() : null
) {
for (final DeclaredType clazz : allTypes) {
//System.out.println("fields in class: "+Arrays.toString(classFields));
for (Element e : ((TypeElement)clazz.asElement()).getEnclosedElements()) {
if(e.getKind() != ElementKind.FIELD)

15
jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/JdbcMapperProcessor.java
View File

@ -32,7 +32,17 @@ public class JdbcMapperProcessor extends AbstractProcessor {
private static final Pattern paramPattern = Pattern.compile("\\{(([^\\s]+)\\s+(([Nn][Oo][Tt]\\s+)?[Ii][Nn]\\s+))?([^}]+)\\}");
private Types types;
private static Types types;
private static Messager messager;
public static Types getTypes() {
return types;
}
public static Messager getMessager() {
return messager;
}
private TypeMirror sqlExceptionType, stringType, numberType, utilDateType, readerType, clobType,
byteArrayType, inputStreamType, fileType, blobType, sqlArrayType, collectionType, calendarType, cleanerType;
//IFJAVA8_START
@ -51,7 +61,8 @@ public class JdbcMapperProcessor extends AbstractProcessor {
@Override
public synchronized void init(final ProcessingEnvironment processingEnv) {
super.init(processingEnv);
this.types = processingEnv.getTypeUtils();
types = processingEnv.getTypeUtils();
messager = processingEnv.getMessager();
final Elements elements = processingEnv.getElementUtils();
sqlExceptionType = elements.getTypeElement(SQLException.class.getCanonicalName()).asType();
stringType = elements.getTypeElement(String.class.getCanonicalName()).asType();