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package lombok.eclipse.handlers;
import java.lang.reflect.Modifier;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.eclipse.EclipseAnnotationHandler;
import lombok.eclipse.EclipseAST.Node;
import lombok.transformations.TransformationsUtil;
import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
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_ecj implements EclipseAnnotationHandler<Getter> {
@Override public void handle(Getter annotation, Annotation ast, Node node) {
FieldDeclaration field = (FieldDeclaration) node.getEclipseNode();
TypeReference fieldType = field.type;
String getterName = TransformationsUtil.toGetterName(
new String(field.name), nameEquals(fieldType.getTypeName(), "boolean"));
TypeDeclaration parent = (TypeDeclaration) node.up().getEclipseNode();
if ( parent.methods != null ) for ( AbstractMethodDeclaration method : parent.methods ) {
if ( method.selector != null && new String(method.selector).equals(getterName) ) return;
}
MethodDeclaration method = new MethodDeclaration(parent.compilationResult);
method.modifiers = toModifier(annotation.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);
}
}
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