001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.core;
021    
022    import com.google.common.base.Throwables;
023    import org.picocontainer.PicoLifecycleException;
024    
025    public final class PicoUtils {
026    
027      private PicoUtils() {
028      }
029    
030      public static Throwable sanitize(Throwable t) {
031        Throwable result = t;
032        Throwable cause = t.getCause();
033        if (t instanceof PicoLifecycleException && cause != null) {
034          if ("wrapper".equals(cause.getMessage()) && cause.getCause() != null) {
035            result = cause.getCause();
036          } else {
037            result = cause;
038          }
039    
040        }
041        return result;
042      }
043    
044      public static void propagateStartupException(Throwable t) {
045        throw Throwables.propagate(sanitize(t));
046      }
047    }