/*
* ModeShape (http://www.modeshape.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.modeshape.sequencer.classfile.metadata;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import javassist.bytecode.AccessFlag;
import javassist.bytecode.AnnotationsAttribute;
import javassist.bytecode.AttributeInfo;
import javassist.bytecode.Descriptor;
import javassist.bytecode.FieldInfo;
import javassist.bytecode.annotation.Annotation;
public class FieldMetadata implements Comparable<FieldMetadata> {
private final FieldInfo field;
private final List<AnnotationMetadata> annotations;
FieldMetadata( FieldInfo field ) {
this.field = field;
this.annotations = annotationsFor(field);
}
private List<AnnotationMetadata> annotationsFor( FieldInfo field ) {
List<AnnotationMetadata> annotations = new LinkedList<AnnotationMetadata>();
for (Object ob : field.getAttributes()) {
AttributeInfo att = (AttributeInfo)ob;
if (att instanceof AnnotationsAttribute) {
for (Annotation ann : ((AnnotationsAttribute)att).getAnnotations()) {
annotations.add(new AnnotationMetadata(ann));
}
}
}
return Collections.unmodifiableList(annotations);
}
public String getName() {
return field.getName();
}
public boolean isStatic() {
return AccessFlag.STATIC == (AccessFlag.STATIC & field.getAccessFlags());
}
public boolean isFinal() {
return AccessFlag.FINAL == (AccessFlag.FINAL & field.getAccessFlags());
}
public boolean isTransient() {
return AccessFlag.TRANSIENT == (AccessFlag.TRANSIENT & field.getAccessFlags());
}
public boolean isVolatile() {
return AccessFlag.VOLATILE == (AccessFlag.VOLATILE & field.getAccessFlags());
}
public Visibility getVisibility() {
return Visibility.fromAccessFlags(field.getAccessFlags());
}
public String getTypeName() {
return Descriptor.toClassName(field.getDescriptor());
}
public List<AnnotationMetadata> getAnnotations() {
return annotations;
}
@Override
public int compareTo( FieldMetadata o ) {
if (this.isStatic() && !o.isStatic()) {
return 1;
}
if (!this.isStatic() && o.isStatic()) {
return -1;
}
return this.getName().compareTo(o.getName());
}
@Override
public String toString() {
StringBuilder buff = new StringBuilder();
if (!annotations.isEmpty()) {
for (AnnotationMetadata annotation : annotations) {
buff.append(annotation).append("\n\t");
}
}
buff.append(getVisibility());
if (getVisibility() != Visibility.PACKAGE) buff.append(' ');
if (isFinal()) buff.append("final ");
if (isStatic()) buff.append("static ");
if (isTransient()) buff.append("transient ");
buff.append(getTypeName()).append(' ');
buff.append(getName()).append(';');
return buff.toString();
}
}