public static Object decodeToObject()

in core/src/main/java/org/apache/calcite/avatica/util/Base64.java [1369:1419]
40 lines of code
7 McCabe index (conditional complexity)

  public static Object decodeToObject(
      String encodedObject, int options, final ClassLoader loader )
      throws java.io.IOException, java.lang.ClassNotFoundException {

    // Decode and gunzip if necessary
    byte[] objBytes = decode( encodedObject, options );

    java.io.ByteArrayInputStream  bais = null;
    java.io.ObjectInputStream     ois  = null;
    Object obj = null;

    try {
      bais = new java.io.ByteArrayInputStream( objBytes );

      // If no custom class loader is provided, use Java's builtin OIS.
      if( loader == null ){
        ois  = new java.io.ObjectInputStream( bais );
      }   // end if: no loader provided

      // Else make a customized object input stream that uses
      // the provided class loader.
      else {
        ois = new java.io.ObjectInputStream(bais){
          @Override
          public Class<?> resolveClass(java.io.ObjectStreamClass streamClass)
              throws java.io.IOException, ClassNotFoundException {
            Class c = Class.forName(streamClass.getName(), false, loader);
            if( c == null ){
              return super.resolveClass(streamClass);
            } else {
              return c;   // Class loader knows of this class.
            }   // end else: not null
          }   // end resolveClass
        };  // end ois
      }   // end else: no custom class loader

      obj = ois.readObject();
    }   // end try
    catch( java.io.IOException e ) {
      throw e;    // Catch and throw in order to execute finally{}
    }   // end catch
    catch( java.lang.ClassNotFoundException e ) {
      throw e;    // Catch and throw in order to execute finally{}
    }   // end catch
    finally {
      try{ bais.close(); } catch( Exception e ){}
      try{ ois.close();  } catch( Exception e ){}
    }   // end finally

    return obj;
  }   // end decodeObject