com.github.javaparser.ast.expr.Name Maven / Gradle / Ivy
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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2024 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*/
package com.github.javaparser.ast.expr;
import static com.github.javaparser.utils.Utils.assertNonEmpty;
import com.github.javaparser.TokenRange;
import com.github.javaparser.ast.AllFieldsConstructor;
import com.github.javaparser.ast.Generated;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.nodeTypes.NodeWithIdentifier;
import com.github.javaparser.ast.observer.ObservableProperty;
import com.github.javaparser.ast.visitor.CloneVisitor;
import com.github.javaparser.ast.visitor.GenericVisitor;
import com.github.javaparser.ast.visitor.VoidVisitor;
import com.github.javaparser.metamodel.JavaParserMetaModel;
import com.github.javaparser.metamodel.NameMetaModel;
import com.github.javaparser.metamodel.NonEmptyProperty;
import com.github.javaparser.metamodel.OptionalProperty;
import java.util.Optional;
/**
* A name that may consist of multiple identifiers.
* In other words: it.may.contain.dots.
*
* The rightmost identifier is "identifier",
* The one to the left of it is "qualifier.identifier", etc.
*
* You can construct one from a String with the name(...) method.
*
* @author Julio Vilmar Gesser
* @see SimpleName
*/
public class Name extends Node implements NodeWithIdentifier {
@NonEmptyProperty
private String identifier;
@OptionalProperty
private Name qualifier;
public Name() {
this(null, null, "empty");
}
public Name(final String identifier) {
this(null, null, identifier);
}
@AllFieldsConstructor
public Name(Name qualifier, final String identifier) {
this(null, qualifier, identifier);
}
/**
* This constructor is used by the parser and is considered private.
*/
@Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
public Name(TokenRange tokenRange, Name qualifier, String identifier) {
super(tokenRange);
setQualifier(qualifier);
setIdentifier(identifier);
customInitialization();
}
@Override
@Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
public R accept(final GenericVisitor v, final A arg) {
return v.visit(this, arg);
}
@Override
@Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
public void accept(final VoidVisitor v, final A arg) {
v.visit(this, arg);
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public String getIdentifier() {
return identifier;
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public Name setIdentifier(final String identifier) {
assertNonEmpty(identifier);
if (identifier == this.identifier) {
return this;
}
notifyPropertyChange(ObservableProperty.IDENTIFIER, this.identifier, identifier);
this.identifier = identifier;
return this;
}
/**
* @return the complete qualified name. Only the identifiers and the dots, so no comments or whitespace.
*/
public String asString() {
if (qualifier != null) {
return qualifier.asString() + "." + identifier;
}
return identifier;
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public Optional getQualifier() {
return Optional.ofNullable(qualifier);
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public Name setQualifier(final Name qualifier) {
if (qualifier == this.qualifier) {
return this;
}
notifyPropertyChange(ObservableProperty.QUALIFIER, this.qualifier, qualifier);
if (this.qualifier != null) this.qualifier.setParentNode(null);
this.qualifier = qualifier;
setAsParentNodeOf(qualifier);
return this;
}
@Override
@Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
public boolean remove(Node node) {
if (node == null) {
return false;
}
if (qualifier != null) {
if (node == qualifier) {
removeQualifier();
return true;
}
}
return super.remove(node);
}
@Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
public Name removeQualifier() {
return setQualifier((Name) null);
}
@Override
@Generated("com.github.javaparser.generator.core.node.CloneGenerator")
public Name clone() {
return (Name) accept(new CloneVisitor(), null);
}
@Override
@Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")
public NameMetaModel getMetaModel() {
return JavaParserMetaModel.nameMetaModel;
}
@Override
@Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")
public boolean replace(Node node, Node replacementNode) {
if (node == null) {
return false;
}
if (qualifier != null) {
if (node == qualifier) {
setQualifier((Name) replacementNode);
return true;
}
}
return super.replace(node, replacementNode);
}
/**
* A top level name is a name that is not contained in a larger Name instance.
*/
public boolean isTopLevel() {
return !isInternal();
}
/**
* An internal name is a name that constitutes a part of a larger Name instance.
*/
public boolean isInternal() {
return getParentNode().filter(parent -> parent instanceof Name).isPresent();
}
}