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/*
 * 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.bytecode.asm;

import org.objectweb.asm.signature.SignatureReader;

public final class AsmSignature {

  private AsmSignature() {
  }

  public static String[] extractInternalNames(String fieldOrMethodDescription, String fieldOrMethodOrClassSignature) {
    String fieldOrMethodDescriptor = fieldOrMethodOrClassSignature;
    if (fieldOrMethodDescriptor == null) {
      fieldOrMethodDescriptor = fieldOrMethodDescription;
    }
    return extractInternalNames(fieldOrMethodDescriptor);
  }

  public static String[] extractInternalNames(String fieldOrMethodOrClassSignature) {
    AsmSignatureVisitor visitor = new AsmSignatureVisitor();
    new SignatureReader(fieldOrMethodOrClassSignature).accept(visitor);
    return visitor.getInternalNames().toArray(new String[visitor.getInternalNames().size()]);
  }
}