/*
* SonarQube Java
* Copyright (C) 2012-2016 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of 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.
*
* This program 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.java.se.checks;
import org.sonar.plugins.java.api.tree.BaseTreeVisitor;
import org.sonar.plugins.java.api.tree.ExpressionTree;
import org.sonar.plugins.java.api.tree.IdentifierTree;
import org.sonar.plugins.java.api.tree.MemberSelectExpressionTree;
import org.sonar.plugins.java.api.tree.MethodInvocationTree;
import org.sonar.plugins.java.api.tree.ParenthesizedTree;
import org.sonar.plugins.java.api.tree.SwitchStatementTree;
import org.sonar.plugins.java.api.tree.Tree;
import org.sonar.plugins.java.api.tree.TypeCastTree;
public class SyntaxTreeNameFinder extends BaseTreeVisitor {
private String name;
public static String getName(Tree syntaxNode) {
SyntaxTreeNameFinder finder = new SyntaxTreeNameFinder();
syntaxNode.accept(finder);
return finder.getName();
}
private String getName() {
return name;
}
@Override
public void visitIdentifier(IdentifierTree tree) {
name = tree.name();
}
@Override
public void visitMemberSelectExpression(MemberSelectExpressionTree tree) {
tree.expression().accept(this);
}
@Override
public void visitSwitchStatement(SwitchStatementTree tree) {
tree.expression().accept(this);
}
@Override
public void visitParenthesized(ParenthesizedTree tree) {
tree.expression().accept(this);
}
@Override
public void visitTypeCast(TypeCastTree tree) {
tree.expression().accept(this);
}
@Override
public void visitMethodInvocation(MethodInvocationTree tree) {
ExpressionTree methodSelect = tree.methodSelect();
if(methodSelect.is(Tree.Kind.MEMBER_SELECT)) {
name = ((MemberSelectExpressionTree) methodSelect).identifier().name();
} else {
methodSelect.accept(this);
}
}
}