/*
* Copyright 2000-2015 JetBrains s.r.o.
*
* 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 com.intellij.util.xmlb;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
class FieldAccessor implements MutableAccessor {
private final Field myField;
public FieldAccessor(@NotNull Field field) {
myField = field;
field.setAccessible(true);
}
@Override
public Object read(@NotNull Object o) {
assert myField.getDeclaringClass().isInstance(o) : "Wrong class: " + o.getClass() + "; should be: " + myField.getDeclaringClass();
try {
return myField.get(o);
}
catch (IllegalAccessException e) {
throw new XmlSerializationException("Reading " + myField, e);
}
}
@Override
public void set(@NotNull Object host, @Nullable Object value) {
try {
myField.set(host, value);
}
catch (IllegalAccessException e) {
throw new XmlSerializationException("Writing " + myField, e);
}
}
@Override
public void setBoolean(@NotNull Object host, boolean value) {
try {
myField.setBoolean(host, value);
}
catch (IllegalAccessException e) {
throw new XmlSerializationException("Writing " + myField, e);
}
}
@Override
public void setInt(@NotNull Object host, int value) {
try {
myField.setInt(host, value);
}
catch (IllegalAccessException e) {
throw new XmlSerializationException("Writing " + myField, e);
}
}
@Override
public void setShort(@NotNull Object host, short value) {
try {
myField.setShort(host, value);
}
catch (IllegalAccessException e) {
throw new XmlSerializationException("Writing " + myField, e);
}
}
@Override
public void setLong(@NotNull Object host, long value) {
try {
myField.setLong(host, value);
}
catch (IllegalAccessException e) {
throw new XmlSerializationException("Writing " + myField, e);
}
}
@Override
public void setFloat(@NotNull Object host, float value) {
try {
myField.setFloat(host, value);
}
catch (IllegalAccessException e) {
throw new XmlSerializationException("Writing " + myField, e);
}
}
@Override
public void setDouble(@NotNull Object host, double value) {
try {
myField.setDouble(host, value);
}
catch (IllegalAccessException e) {
throw new XmlSerializationException("Writing " + myField, e);
}
}
@Override
public <T extends Annotation> T getAnnotation(@NotNull Class<T> annotationClass) {
return myField.getAnnotation(annotationClass);
}
@Override
public String getName() {
return myField.getName();
}
@Override
public Class<?> getValueClass() {
return myField.getType();
}
@Override
public Type getGenericType() {
return myField.getGenericType();
}
@Override
public boolean isFinal() {
return Modifier.isFinal(myField.getModifiers());
}
@Override
public void write(Object o, Object value) {
set(o, value);
}
@NonNls
public String toString() {
return "FieldAccessor[" + myField.getDeclaringClass() + "." + myField.getName() + "]";
}
}