org.sonar.java.model.PackageUtils Maven / Gradle / Ivy
/*
* SonarQube Java
* Copyright (C) 2012 SonarSource
* [email protected]
*
* 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 02
*/
package org.sonar.java.model;
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.PackageDeclarationTree;
import org.sonar.plugins.java.api.tree.Tree;
import javax.annotation.Nullable;
import java.util.Deque;
import java.util.LinkedList;
public class PackageUtils {
private PackageUtils(){
}
public static String packageName(@Nullable PackageDeclarationTree packageDeclarationTree, String separator) {
if(packageDeclarationTree == null) {
return "";
}
Deque pieces = new LinkedList<>();
ExpressionTree expr = packageDeclarationTree.packageName();
while (expr.is(Tree.Kind.MEMBER_SELECT)) {
MemberSelectExpressionTree mse = (MemberSelectExpressionTree) expr;
pieces.push(mse.identifier().name());
pieces.push(separator);
expr = mse.expression();
}
if (expr.is(Tree.Kind.IDENTIFIER)) {
IdentifierTree idt = (IdentifierTree) expr;
pieces.push(idt.name());
}
StringBuilder sb = new StringBuilder();
for (String piece: pieces) {
sb.append(piece);
}
return sb.toString();
}
}