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A set of utilities for classes of the java.lang and the java.util packages.
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/*
 * Copyright (C) 2007 The Guava Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 *
 * Modifications:
 *
 * Copyright (C) 2011-2021 Objectos Software LTDA.
 *
 * This file is part of the ObjectosComuns project.
 *
 * ObjectosComuns is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * ObjectosComuns 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with ObjectosComuns.  If not, see .
 */
package br.com.objectos.lang;

import br.com.objectos.multirelease.Singleton;
import java.io.PrintWriter;
import java.io.StringWriter;

/**
 * @author Kevin Bourrillion (original Guava version)
 * @author Ben Yu (original Guava version)
 */
@Singleton
abstract class Throwables {

  Throwables() {}

  /**
   * Returns a string containing the result of {@link Throwable#toString()
   * toString()}, followed by the full, recursive stack trace of
   * {@code throwable}. Note that you probably should not be parsing the
   * resulting string; if you need programmatic access to the stack frames, you
   * can call {@link Throwable#getStackTrace()}.
   *
   * @param throwable
   *          an non-null {@code Throwable} instance
   * @return a string containing the result
   */
  public static String getStackTraceAsString(Throwable throwable) {
    StringWriter output;
    output = new StringWriter();

    PrintWriter printWriter;
    printWriter = new PrintWriter(output);

    throwable.printStackTrace(printWriter);

    return output.toString();
  }

  public abstract Exception addSuppressed(Exception exception, Exception suppressed);

  public StackTraceElement createStackTraceElement(
      String classLoaderName,
      String moduleName, String moduleVersion,
      String declaringClass, String methodName,
      String fileName, int lineNumber) {
    return new StackTraceElement(declaringClass, methodName, fileName, lineNumber);
  }

  public String getClassLoaderName(StackTraceElement element) {
    return null;
  }

  public String getModuleName(StackTraceElement element) {
    return null;
  }

  public String getModuleVersion(StackTraceElement element) {
    return null;
  }

  public abstract Throwable[] getSuppressed(Throwable throwable);

}