/*
* Copyright © 2011-2012 Philipp Eichhorn
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.eclipse.handlers.ast;
import static org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants.*;
import static lombok.ast.AST.*;
import static lombok.eclipse.handlers.Eclipse.matchesType;
import static lombok.eclipse.handlers.EclipseHandlerUtil.createAnnotation;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
import org.eclipse.jdt.internal.compiler.ast.MemberValuePair;
import org.eclipse.jdt.internal.compiler.ast.NormalAnnotation;
import org.eclipse.jdt.internal.compiler.ast.ParameterizedQualifiedTypeReference;
import org.eclipse.jdt.internal.compiler.ast.ParameterizedSingleTypeReference;
import org.eclipse.jdt.internal.compiler.ast.SingleMemberAnnotation;
import org.eclipse.jdt.internal.compiler.ast.TypeReference;
import lombok.core.AnnotationValues;
import lombok.core.AST.Kind;
import lombok.core.util.As;
import lombok.core.util.Each;
import lombok.core.util.Is;
import lombok.core.util.Names;
import lombok.eclipse.Eclipse;
import lombok.eclipse.EclipseNode;
import lombok.experimental.Accessors;
public final class EclipseField implements lombok.ast.IField<EclipseType, EclipseNode, ASTNode, FieldDeclaration> {
private final EclipseNode fieldNode;
private final ASTNode source;
private final EclipseFieldEditor editor;
private final String filteredName;
private EclipseField(final EclipseNode fieldNode, final ASTNode source) {
if (!(fieldNode.get() instanceof FieldDeclaration)) {
throw new IllegalArgumentException();
}
this.fieldNode = fieldNode;
this.source = source;
editor = new EclipseFieldEditor(this, source);
final AnnotationValues<Accessors> accessorsValues;
if (getAnnotation(Accessors.class) != null) {
accessorsValues = getAnnotationValue(Accessors.class);
} else {
final EclipseType surroundingType = surroundingType();
accessorsValues = surroundingType.getAnnotationValue(Accessors.class);
}
filteredName = Names.removePrefix(name(), accessorsValues.getInstance().prefix());
}
public EclipseFieldEditor editor() {
return editor;
}
public boolean isPrivate() {
return (get().modifiers & AccPrivate) != 0;
}
public boolean isFinal() {
return (get().modifiers & AccFinal) != 0;
}
public boolean isStatic() {
return (get().modifiers & AccStatic) != 0;
}
public boolean isInitialized() {
return get().initialization != null;
}
public boolean isPrimitive() {
return Eclipse.isPrimitive(get().type);
}
public boolean hasJavaDoc() {
return get().javadoc != null;
}
public FieldDeclaration get() {
return (FieldDeclaration) fieldNode.get();
}
public EclipseNode node() {
return fieldNode;
}
public boolean ignore() {
return filteredName == null;
}
public <A extends java.lang.annotation.Annotation> AnnotationValues<A> getAnnotationValue(final Class<A> expectedType) {
final EclipseNode node = getAnnotation(expectedType);
return node == null ? AnnotationValues.of(expectedType, node()) : createAnnotation(expectedType, node);
}
public EclipseNode getAnnotation(final Class<? extends java.lang.annotation.Annotation> expectedType) {
return getAnnotation(expectedType.getName());
}
public EclipseNode getAnnotation(final String typeName) {
EclipseNode annotationNode = null;
for (EclipseNode child : node().down()) {
if (child.getKind() != Kind.ANNOTATION) continue;
if (matchesType((Annotation) child.get(), typeName)) {
annotationNode = child;
}
}
return annotationNode;
}
public lombok.ast.TypeRef type() {
return Type(get().type);
}
public lombok.ast.TypeRef boxedType() {
return EclipseASTUtil.boxedType(get().type);
}
public boolean isOfType(final String typeName) {
TypeReference variableType = get().type;
if (variableType == null) return false;
StringBuilder sb = new StringBuilder();
boolean first = true;
for (char[] elem : variableType.getTypeName()) {
if (first) first = false;
else sb.append('.');
sb.append(elem);
}
String type = sb.toString();
return type.endsWith(typeName);
}
public String name() {
return node().getName();
}
public String filteredName() {
return filteredName == null ? name() : filteredName;
}
public EclipseType surroundingType() {
return EclipseType.typeOf(node(), source);
}
public lombok.ast.Expression<?> initialization() {
return get().initialization == null ? null : Expr(get().initialization);
}
public List<lombok.ast.TypeRef> typeArguments() {
final List<lombok.ast.TypeRef> typeArguments = new ArrayList<lombok.ast.TypeRef>();
final TypeReference type = get().type;
if (type instanceof ParameterizedQualifiedTypeReference) {
ParameterizedQualifiedTypeReference typeRef = (ParameterizedQualifiedTypeReference) type;
if (Is.notEmpty(typeRef.typeArguments)) for (TypeReference typeArgument : Each.elementIn(typeRef.typeArguments[typeRef.typeArguments.length - 1])) {
typeArguments.add(Type(typeArgument));
}
} else if (type instanceof ParameterizedSingleTypeReference) {
ParameterizedSingleTypeReference typeRef = (ParameterizedSingleTypeReference) type;
for (TypeReference typeArgument : Each.elementIn(typeRef.typeArguments)) {
typeArguments.add(Type(typeArgument));
}
}
return typeArguments;
}
public List<lombok.ast.Annotation> annotations() {
return annotations(null);
}
public List<lombok.ast.Annotation> annotations(final Pattern namePattern) {
List<lombok.ast.Annotation> result = new ArrayList<lombok.ast.Annotation>();
for (Annotation annotation : Each.elementIn(get().annotations)) {
TypeReference typeRef = annotation.type;
char[][] typeName = typeRef.getTypeName();
String suspect = As.string(typeName[typeName.length - 1]);
if ((namePattern == null) || namePattern.matcher(suspect).matches()) {
lombok.ast.Annotation ann = Annotation(Type(annotation.type)).posHint(annotation);
if (annotation instanceof SingleMemberAnnotation) {
ann.withValue(Expr(((SingleMemberAnnotation) annotation).memberValue));
} else if (annotation instanceof NormalAnnotation) {
for (MemberValuePair pair : Each.elementIn(((NormalAnnotation) annotation).memberValuePairs)) {
ann.withValue(As.string(pair.name), Expr(pair.value)).posHint(pair);
}
}
result.add(ann);
}
}
return result;
}
@Override
public String toString() {
return get().toString();
}
public static EclipseField fieldOf(final EclipseNode node, final ASTNode source) {
EclipseNode fieldNode = node;
while ((fieldNode != null) && !(fieldNode.get() instanceof FieldDeclaration)) {
fieldNode = fieldNode.up();
}
return fieldNode == null ? null : new EclipseField(fieldNode, source);
}
}