/
Name.java
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/
Name.java
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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2016 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 com.github.javaparser.Range;
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.GenericVisitor;
import com.github.javaparser.ast.visitor.VoidVisitor;
import java.util.Optional;
import static com.github.javaparser.utils.Utils.assertNonEmpty;
/**
* A name that may consist of multiple identifiers.
* In other words: it.may.contain.dots.
* <p>
* The rightmost identifier is "identifier",
* The one to the left of it is "qualifier.identifier", etc.
* <p>
* You can construct one from a String with the name(...) method.
*
* @author Julio Vilmar Gesser
* @see SimpleName
*/
public class Name extends Node implements NodeWithIdentifier<Name> {
private String identifier;
private Name qualifier;
public Name() {
this(null, null, "empty");
}
public Name(final String identifier) {
this(null, null, identifier);
}
public Name(Name qualifier, final String identifier) {
this(null, qualifier, identifier);
}
public Name(Range range, Name qualifier, final String identifier) {
super(range);
setIdentifier(identifier);
setQualifier(qualifier);
}
@Override
public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) {
return v.visit(this, arg);
}
@Override
public <A> void accept(final VoidVisitor<A> v, final A arg) {
v.visit(this, arg);
}
@Override
public final String getIdentifier() {
return identifier;
}
@Override
public Name setIdentifier(final String identifier) {
assertNonEmpty(identifier);
notifyPropertyChange(ObservableProperty.IDENTIFIER, this.identifier, identifier);
this.identifier = identifier;
return this;
}
/**
* Creates a new {@link Name} from a qualified name.<br>
* The qualified name can contains "." (dot) characters.
*
* @param qualifiedName qualified name
* @return instanceof {@link Name}
*/
public static Name parse(String qualifiedName) {
assertNonEmpty(qualifiedName);
String[] split = qualifiedName.split("\\.");
Name ret = new Name(split[0]);
for (int i = 1; i < split.length; i++) {
ret = new Name(ret, split[i]);
}
return ret;
}
/**
* @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;
}
public Optional<Name> getQualifier() {
return Optional.ofNullable(qualifier);
}
public Name setQualifier(final Name qualifier) {
notifyPropertyChange(ObservableProperty.QUALIFIER, this.qualifier, qualifier);
this.qualifier = qualifier;
setAsParentNodeOf(qualifier);
return this;
}
}