/*
* Copyright 2000-2017 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.beans.PropertyDescriptor;
import java.lang.annotation.Annotation;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
class PropertyAccessor implements MutableAccessor {
private final String myName;
private final Class<?> myType;
private final Method myReadMethod;
private final Method myWriteMethod;
private final Type myGenericType;
public PropertyAccessor(PropertyDescriptor descriptor) {
this(descriptor.getName(), descriptor.getPropertyType(), descriptor.getReadMethod(), descriptor.getWriteMethod());
}
public PropertyAccessor(String name, Class<?> type, @NotNull Method readMethod, @NotNull Method writeMethod) {
myName = name;
myType = type;
myReadMethod = readMethod;
myWriteMethod = writeMethod;
myGenericType = myReadMethod.getGenericReturnType();
try {
myReadMethod.setAccessible(true);
myWriteMethod.setAccessible(true);
}
catch (SecurityException ignored) { }
}
@Override
public Object read(@NotNull Object o) {
try {
return myReadMethod.invoke(o);
}
catch (IllegalAccessException e) {
throw new XmlSerializationException(e);
}
catch (InvocationTargetException e) {
Throwable exception = e.getTargetException();
if (exception instanceof Error) throw (Error)exception;
if (exception instanceof RuntimeException) throw (RuntimeException)exception;
throw new XmlSerializationException(e);
}
}
@Override
public void set(@NotNull Object host, @Nullable Object value) {
try {
myWriteMethod.invoke(host, value);
}
catch (IllegalAccessException e) {
throw new XmlSerializationException(e);
}
catch (InvocationTargetException e) {
throw new XmlSerializationException(e);
}
}
@Override
public void setBoolean(@NotNull Object host, boolean value) {
set(host, value);
}
@Override
public void setInt(@NotNull Object host, int value) {
set(host, value);
}
@Override
public void setShort(@NotNull Object host, short value) {
set(host, value);
}
@Override
public void setLong(@NotNull Object host, long value) {
set(host, value);
}
@Override
public void setDouble(@NotNull Object host, double value) {
set(host, value);
}
@Override
public void setFloat(@NotNull Object host, float value) {
set(host, value);
}
@Override
public <T extends Annotation> T getAnnotation(@NotNull Class<T> annotationClass) {
T annotation = myReadMethod.getAnnotation(annotationClass);
if (annotation == null) annotation = myWriteMethod.getAnnotation(annotationClass);
return annotation;
}
@Override
public String getName() {
return myName;
}
@Override
public Class<?> getValueClass() {
return myType;
}
@Override
public Type getGenericType() {
return myGenericType;
}
@Override
public boolean isFinal() {
return false;
}
@NonNls
public String toString() {
return "PropertyAccessor[" + myReadMethod.getDeclaringClass().getName() + "." + getName() +"]";
}
@Override
public void write(Object o, Object value) {
set(o, value);
}
}