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/*
* Copyright (c) 1997, 2023 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.codemodel;
import java.lang.annotation.Annotation;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Represents an annotation on a program element.
*
* TODO
* How to add enums to the annotations
* @author
* Bhakti Mehta ([email protected])
*/
public final class JAnnotationUse extends JAnnotationValue {
/**
* The {@link Annotation} class
*/
private final JClass clazz;
/**
* Map of member values.
*/
private Map memberValues;
JAnnotationUse(JClass clazz){
this.clazz = clazz;
}
public JClass getAnnotationClass() {
return clazz;
}
public Map getAnnotationMembers() {
if (memberValues == null) {
return Collections.emptyMap();
}
return Collections.unmodifiableMap(memberValues);
}
private JCodeModel owner() {
return clazz.owner();
}
private void addValue(String name, JAnnotationValue annotationValue) {
// Use ordered map to keep the code generation the same on any JVM.
// Lazily created.
if(memberValues==null) {
memberValues = new LinkedHashMap<>();
}
memberValues.put(name,annotationValue);
}
/**
* Adds a member value pair to this annotation
*
* @param name
* The simple name for this annotation
*
* @param value
* The boolean value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, boolean value){
addValue(name, new JAnnotationStringValue(JExpr.lit(value)));
return this;
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The byte member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, byte value){
addValue(name, new JAnnotationStringValue(JExpr.lit(value)));
return this;
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The char member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, char value){
addValue(name, new JAnnotationStringValue(JExpr.lit(value)));
return this;
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The double member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, double value){
addValue(name, new JAnnotationStringValue(JExpr.lit(value)));
return this;
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The float member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, float value){
addValue(name, new JAnnotationStringValue(JExpr.lit(value)));
return this;
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The long member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, long value){
addValue(name, new JAnnotationStringValue(JExpr.lit(value)));
return this;
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The short member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, short value){
addValue(name, new JAnnotationStringValue(JExpr.lit(value)));
return this;
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The int member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, int value){
addValue(name, new JAnnotationStringValue(JExpr.lit(value)));
return this;
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The String member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, String value){
//Escape string values with quotes so that they can
//be generated accordingly
addValue(name, new JAnnotationStringValue(JExpr.lit(value)));
return this;
}
/**
* Adds a member value pair to this annotation
* For adding class values as param
* @see #param(String, Class)
* @param name
* The simple name for this annotation
*
* @param value
* The annotation class which is member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse annotationParam(String name, Class value) {
JAnnotationUse annotationUse = new JAnnotationUse(owner().ref(value));
addValue(name, annotationUse);
return annotationUse;
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The enum class which is member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, final Enum value) {
JClass ref = owner().ref(value.getClass());
return param(name, new JEnumConstant(ref, value.name()));
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The JEnumConstant which is member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, JEnumConstant value){
addValue(name, new JAnnotationClassValue(value));
return this;
}
/**
* Adds a member value pair to this annotation
* This can be used for e.g to specify
*
* For adding a value of {@code Class}
* {@link #annotationParam(java.lang.String, java.lang.Class)}
* @param name
* The simple name for this annotation param
*
* @param value
* The class type of the param
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*
*
*/
public JAnnotationUse param(String name, final Class value) {
addValue(name, new JAnnotationClassValue(owner().ref(value)));
return this;
}
/**
* Adds a member value pair to this annotation
* @param name
* The simple name for this annotation
*
* @param value
* The JAnnotationValue member value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, JAnnotationValue value) {
addValue(name, value);
return this;
}
/**
* Adds a member value pair to this annotation based on the
* type represented by the given JType
*
* @param name The simple name for this annotation param
* @param type the JType representing the actual type
* @return The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*/
public JAnnotationUse param(String name, JType type){
JClass c = type.boxify();
addValue(name, new JAnnotationClassValue(c));
return this;
}
/**
* Adds a member value pair to this annotation.
* @param name
* The simple name for this annotation
*
* @param value
* The JExpression which provides the contant value for this annotation
* @return
* The JAnnotationUse. More member value pairs can
* be added to it using the same or the overloaded methods.
*
*/
public JAnnotationUse param(String name, JExpression value){
addValue(name, new JAnnotationStringValue(value));
return this;
}
/**
* Adds a member value pair which is of type array to this annotation
* @param name
* The simple name for this annotation
*
* @return
* The JAnnotationArrayMember. For adding array values
* @see JAnnotationArrayMember
*
*/
public JAnnotationArrayMember paramArray(String name){
JAnnotationArrayMember arrayMember = new JAnnotationArrayMember(owner());
addValue(name, arrayMember);
return arrayMember;
}
// /**
// * This can be used to add annotations inside annotations
// * for e.g @XmlCollection(values= @XmlCollectionItem(type=Foo.class))
// * @param className
// * The classname of the annotation to be included
// * @return
// * The JAnnotationUse that can be used as a member within this JAnnotationUse
// * @deprecated
// * use {@link JAnnotationArrayMember#annotate}
// */
// public JAnnotationUse annotate(String className) {
// JAnnotationUse annotationUse = new JAnnotationUse(owner().ref(className));
// return annotationUse;
// }
/**
* This can be used to add annotations inside annotations
* for e.g @XmlCollection(values= @XmlCollectionItem(type=Foo.class))
* @param clazz
* The annotation class to be included
* @return
* The JAnnotationUse that can be used as a member within this JAnnotationUse
* @deprecated
* use {@link JAnnotationArrayMember#annotate}
*/
@Deprecated
public JAnnotationUse annotate(Class clazz) {
return new JAnnotationUse(owner().ref(clazz));
}
@Override
public void generate(JFormatter f) {
f.p('@').g(clazz);
if(memberValues!=null) {
f.p('(');
boolean first = true;
if(isOptimizable()) {
// short form
f.g(memberValues.get("value"));
} else {
for (Map.Entry mapEntry : memberValues.entrySet()) {
if (!first) f.p(',');
f.p(mapEntry.getKey()).p('=').g(mapEntry.getValue());
first = false;
}
}
f.p(')');
}
}
private boolean isOptimizable() {
return memberValues.size()==1 && memberValues.containsKey("value");
}
}
