com.sun.codemodel.JVar Maven / Gradle / Ivy
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/*
* Copyright (c) 1997, 2021 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.ArrayList;
import java.util.List;
import java.util.Collection;
import java.util.Collections;
/**
* Variables and fields.
*/
public class JVar extends JExpressionImpl implements JDeclaration, JAssignmentTarget, JAnnotatable {
/**
* Modifiers.
*/
private JMods mods;
/**
* JType of the variable
*/
private JType type;
/**
* Name of the variable
*/
private String name;
/**
* Initialization of the variable in its declaration
*/
private JExpression init;
/**
* Annotations on this variable. Lazily created.
*/
private List annotations = null;
/**
* JVar constructor
*
* @param type
* Datatype of this variable
*
* @param name
* Name of this variable
*
* @param init
* Value to initialize this variable to
*/
JVar(JMods mods, JType type, String name, JExpression init) {
this.mods = mods;
this.type = type;
this.name = name;
this.init = init;
}
/**
* Initialize this variable
*
* @param init
* JExpression to be used to initialize this field
*/
public JVar init(JExpression init) {
this.init = init;
return this;
}
/**
* Get the name of this variable
*
* @return Name of the variable
*/
public String name() {
return name;
}
/**
* Changes the name of this variable.
*/
public void name(String name) {
if(!JJavaName.isJavaIdentifier(name))
throw new IllegalArgumentException();
this.name = name;
}
/**
* Return the type of this variable.
* @return
* always non-null.
*/
public JType type() {
return type;
}
/**
* @return
* the current modifiers of this method.
* Always return non-null valid object.
*/
public JMods mods() {
return mods;
}
/**
* Sets the type of this variable.
*
* @param newType
* must not be null.
*
* @return
* the old type value. always non-null.
*/
public JType type(JType newType) {
JType r = type;
if(newType==null)
throw new IllegalArgumentException();
type = newType;
return r;
}
/**
* Adds an annotation to this variable.
* @param clazz
* The annotation class to annotate the field with
*/
@Override
public JAnnotationUse annotate(JClass clazz){
if(annotations==null)
annotations = new ArrayList<>();
JAnnotationUse a = new JAnnotationUse(clazz);
annotations.add(a);
return a;
}
/**
* Adds an annotation to this variable.
*
* @param clazz
* The annotation class to annotate the field with
*/
@Override
public JAnnotationUse annotate(Class clazz){
return annotate(type.owner().ref(clazz));
}
@Override
public > W annotate2(Class clazz) {
return TypedAnnotationWriter.create(clazz,this);
}
@Override
public boolean removeAnnotation(JAnnotationUse annotation) {
return this.annotations.remove(annotation);
}
@Override
public Collection annotations() {
if (annotations == null)
annotations = new ArrayList<>();
return Collections.unmodifiableList(annotations);
}
protected boolean isAnnotated() {
return annotations!=null;
}
public void bind(JFormatter f) {
if (annotations != null){
for( int i=0; i