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-rw-r--r--src/lombok/eclipse/handlers/HandleGetter.java101
1 files changed, 101 insertions, 0 deletions
diff --git a/src/lombok/eclipse/handlers/HandleGetter.java b/src/lombok/eclipse/handlers/HandleGetter.java
new file mode 100644
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+++ b/src/lombok/eclipse/handlers/HandleGetter.java
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+package lombok.eclipse.handlers;
+
+import java.lang.reflect.Modifier;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.core.AnnotationValues;
+import lombok.core.TransformationsUtil;
+import lombok.eclipse.EclipseAnnotationHandler;
+import lombok.eclipse.EclipseAST.Node;
+
+import org.eclipse.jdt.internal.compiler.ast.ASTNode;
+import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
+import org.eclipse.jdt.internal.compiler.ast.Annotation;
+import org.eclipse.jdt.internal.compiler.ast.Expression;
+import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
+import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
+import org.eclipse.jdt.internal.compiler.ast.ReturnStatement;
+import org.eclipse.jdt.internal.compiler.ast.SingleNameReference;
+import org.eclipse.jdt.internal.compiler.ast.Statement;
+import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
+import org.eclipse.jdt.internal.compiler.ast.TypeReference;
+import org.eclipse.jdt.internal.compiler.lookup.MethodScope;
+import org.mangosdk.spi.ProviderFor;
+
+@ProviderFor(EclipseAnnotationHandler.class)
+public class HandleGetter implements EclipseAnnotationHandler<Getter> {
+ private void generateDuplicateGetterWarning(Node annotationNode, String methodName) {
+ annotationNode.addWarning(String.format("Not generating %s(): A method with that name already exists", methodName));
+ }
+
+ @Override public void handle(AnnotationValues<Getter> annotation, Annotation ast, Node annotationNode) {
+ if ( !(annotationNode.up().get() instanceof FieldDeclaration) ) return;
+ FieldDeclaration field = (FieldDeclaration) annotationNode.up().get();
+ TypeReference fieldType = field.type;
+ String getterName = TransformationsUtil.toGetterName(
+ new String(field.name), nameEquals(fieldType.getTypeName(), "boolean"));
+
+ TypeDeclaration parent = (TypeDeclaration) annotationNode.up().up().get();
+ if ( parent.methods != null ) for ( AbstractMethodDeclaration method : parent.methods ) {
+ if ( method.selector != null && new String(method.selector).equals(getterName) ) {
+ generateDuplicateGetterWarning(annotationNode, getterName);
+ return;
+ }
+ }
+
+ MethodDeclaration method = new MethodDeclaration(parent.compilationResult);
+ method.modifiers = toModifier(annotation.getInstance().value());
+ method.returnType = field.type;
+ method.annotations = null;
+ method.arguments = null;
+ method.selector = getterName.toCharArray();
+ method.binding = null;
+ method.thrownExceptions = null;
+ method.typeParameters = null;
+ method.scope = parent.scope == null ? null : new MethodScope(parent.scope, method, false);
+ method.bits |= ASTNode.Bit24;
+ Expression fieldExpression = new SingleNameReference(field.name, (field.declarationSourceStart << 32) | field.declarationSourceEnd);
+ Statement returnStatement = new ReturnStatement(fieldExpression, field.sourceStart, field.sourceEnd);
+ method.bodyStart = method.declarationSourceStart = method.sourceStart = ast.sourceStart;
+ method.bodyEnd = method.declarationSourceEnd = method.sourceEnd = ast.sourceEnd;
+ method.statements = new Statement[] { returnStatement };
+ if ( parent.methods == null ) {
+ parent.methods = new AbstractMethodDeclaration[1];
+ parent.methods[0] = method;
+ } else {
+ AbstractMethodDeclaration[] newArray = new AbstractMethodDeclaration[parent.methods.length + 1];
+ System.arraycopy(parent.methods, 0, newArray, 0, parent.methods.length);
+ newArray[parent.methods.length] = method;
+ parent.methods = newArray;
+ }
+ }
+
+ private int toModifier(AccessLevel value) {
+ switch ( value ) {
+ case MODULE:
+ case PACKAGE:
+ return 0;
+ default:
+ case PUBLIC:
+ return Modifier.PUBLIC;
+ case PROTECTED:
+ return Modifier.PROTECTED;
+ case PRIVATE:
+ return Modifier.PRIVATE;
+ }
+ }
+
+ private boolean nameEquals(char[][] typeName, String string) {
+ StringBuilder sb = new StringBuilder();
+ boolean first = true;
+ for ( char[] elem : typeName ) {
+ if ( first ) first = false;
+ else sb.append('.');
+ sb.append(elem);
+ }
+
+ return string.contentEquals(sb);
+ }
+
+}