org.springframework.core.annotation.AbstractMergedAnnotation Maven / Gradle / Ivy
/*
* Copyright 2002-2019 the original author or authors.
*
* 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
*
* https://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.springframework.core.annotation;
import java.lang.annotation.Annotation;
import java.lang.reflect.Array;
import java.util.NoSuchElementException;
import java.util.Optional;
import java.util.function.Predicate;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* Abstract base class for {@link MergedAnnotation} implementations.
*
* @author Phillip Webb
* @author Juergen Hoeller
* @since 5.2
* @param the annotation type
*/
abstract class AbstractMergedAnnotation implements MergedAnnotation {
@Nullable
private volatile A synthesizedAnnotation;
@Override
public boolean isDirectlyPresent() {
return isPresent() && getDistance() == 0;
}
@Override
public boolean isMetaPresent() {
return isPresent() && getDistance() > 0;
}
@Override
public boolean hasNonDefaultValue(String attributeName) {
return !hasDefaultValue(attributeName);
}
@Override
public byte getByte(String attributeName) {
return getRequiredAttributeValue(attributeName, Byte.class);
}
@Override
public byte[] getByteArray(String attributeName) {
return getRequiredAttributeValue(attributeName, byte[].class);
}
@Override
public boolean getBoolean(String attributeName) {
return getRequiredAttributeValue(attributeName, Boolean.class);
}
@Override
public boolean[] getBooleanArray(String attributeName) {
return getRequiredAttributeValue(attributeName, boolean[].class);
}
@Override
public char getChar(String attributeName) {
return getRequiredAttributeValue(attributeName, Character.class);
}
@Override
public char[] getCharArray(String attributeName) {
return getRequiredAttributeValue(attributeName, char[].class);
}
@Override
public short getShort(String attributeName) {
return getRequiredAttributeValue(attributeName, Short.class);
}
@Override
public short[] getShortArray(String attributeName) {
return getRequiredAttributeValue(attributeName, short[].class);
}
@Override
public int getInt(String attributeName) {
return getRequiredAttributeValue(attributeName, Integer.class);
}
@Override
public int[] getIntArray(String attributeName) {
return getRequiredAttributeValue(attributeName, int[].class);
}
@Override
public long getLong(String attributeName) {
return getRequiredAttributeValue(attributeName, Long.class);
}
@Override
public long[] getLongArray(String attributeName) {
return getRequiredAttributeValue(attributeName, long[].class);
}
@Override
public double getDouble(String attributeName) {
return getRequiredAttributeValue(attributeName, Double.class);
}
@Override
public double[] getDoubleArray(String attributeName) {
return getRequiredAttributeValue(attributeName, double[].class);
}
@Override
public float getFloat(String attributeName) {
return getRequiredAttributeValue(attributeName, Float.class);
}
@Override
public float[] getFloatArray(String attributeName) {
return getRequiredAttributeValue(attributeName, float[].class);
}
@Override
public String getString(String attributeName) {
return getRequiredAttributeValue(attributeName, String.class);
}
@Override
public String[] getStringArray(String attributeName) {
return getRequiredAttributeValue(attributeName, String[].class);
}
@Override
public Class getClass(String attributeName) {
return getRequiredAttributeValue(attributeName, Class.class);
}
@Override
public Class[] getClassArray(String attributeName) {
return getRequiredAttributeValue(attributeName, Class[].class);
}
@Override
public > E getEnum(String attributeName, Class type) {
Assert.notNull(type, "Type must not be null");
return getRequiredAttributeValue(attributeName, type);
}
@Override
@SuppressWarnings("unchecked")
public > E[] getEnumArray(String attributeName, Class type) {
Assert.notNull(type, "Type must not be null");
Class arrayType = Array.newInstance(type, 0).getClass();
return (E[]) getRequiredAttributeValue(attributeName, arrayType);
}
@Override
public Optional