public class org.apache.batik.util.CleanerThread extends java.lang.Thread
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.batik.util.CleanerThread
  super_class: java.lang.Thread
{
  static volatile java.lang.ref.ReferenceQueue queue;
    descriptor: Ljava/lang/ref/ReferenceQueue;
    flags: (0x0048) ACC_STATIC, ACC_VOLATILE

  static org.apache.batik.util.CleanerThread thread;
    descriptor: Lorg/apache/batik/util/CleanerThread;
    flags: (0x0008) ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 37
            aconst_null
            putstatic org.apache.batik.util.CleanerThread.queue:Ljava/lang/ref/ReferenceQueue;
         1: .line 38
            aconst_null
            putstatic org.apache.batik.util.CleanerThread.thread:Lorg/apache/batik/util/CleanerThread;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public static java.lang.ref.ReferenceQueue getReferenceQueue();
    descriptor: ()Ljava/lang/ref/ReferenceQueue;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=0
         0: .line 42
            getstatic org.apache.batik.util.CleanerThread.queue:Ljava/lang/ref/ReferenceQueue;
            ifnonnull 8
         1: .line 43
            ldc Lorg/apache/batik/util/CleanerThread;
            dup
            astore 0
            monitorenter
         2: .line 44
            new java.lang.ref.ReferenceQueue
            dup
            invokespecial java.lang.ref.ReferenceQueue.<init>:()V
            putstatic org.apache.batik.util.CleanerThread.queue:Ljava/lang/ref/ReferenceQueue;
         3: .line 45
            new org.apache.batik.util.CleanerThread
            dup
            invokespecial org.apache.batik.util.CleanerThread.<init>:()V
            putstatic org.apache.batik.util.CleanerThread.thread:Lorg/apache/batik/util/CleanerThread;
         4: .line 43
            aload 0
            monitorexit
         5: goto 8
      StackMap locals: java.lang.Class
      StackMap stack: java.lang.Throwable
         6: aload 0
            monitorexit
         7: athrow
         8: .line 48
      StackMap locals:
      StackMap stack:
            getstatic org.apache.batik.util.CleanerThread.queue:Ljava/lang/ref/ReferenceQueue;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           2     5       6  any
           6     7       6  any

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.batik.util.CleanerThread this
         0: .line 96
            aload 0 /* this */
            ldc "Batik CleanerThread"
            invokespecial java.lang.Thread.<init>:(Ljava/lang/String;)V
         1: .line 97
            aload 0 /* this */
            iconst_1
            invokevirtual org.apache.batik.util.CleanerThread.setDaemon:(Z)V
         2: .line 98
            aload 0 /* this */
            invokevirtual org.apache.batik.util.CleanerThread.start:()V
         3: .line 99
            return
        end local 0 // org.apache.batik.util.CleanerThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/batik/util/CleanerThread;

  public void run();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=1
        start local 0 // org.apache.batik.util.CleanerThread this
         0: .line 106
      StackMap locals:
      StackMap stack:
            getstatic org.apache.batik.util.CleanerThread.queue:Ljava/lang/ref/ReferenceQueue;
            invokevirtual java.lang.ref.ReferenceQueue.remove:()Ljava/lang/ref/Reference;
            astore 1 /* ref */
        start local 1 // java.lang.ref.Reference ref
         1: .line 108
            goto 4
        end local 1 // java.lang.ref.Reference ref
      StackMap locals:
      StackMap stack: java.lang.InterruptedException
         2: pop
         3: .line 109
            goto 0
        start local 1 // java.lang.ref.Reference ref
         4: .line 112
      StackMap locals: java.lang.ref.Reference
      StackMap stack:
            aload 1 /* ref */
            instanceof org.apache.batik.util.CleanerThread$ReferenceCleared
            ifeq 0
         5: .line 113
            aload 1 /* ref */
            checkcast org.apache.batik.util.CleanerThread$ReferenceCleared
            astore 2 /* rc */
        start local 2 // org.apache.batik.util.CleanerThread$ReferenceCleared rc
         6: .line 114
            aload 2 /* rc */
            invokeinterface org.apache.batik.util.CleanerThread$ReferenceCleared.cleared:()V
        end local 2 // org.apache.batik.util.CleanerThread$ReferenceCleared rc
        end local 1 // java.lang.ref.Reference ref
         7: .line 116
            goto 0
      StackMap locals: org.apache.batik.util.CleanerThread
      StackMap stack: java.lang.ThreadDeath
         8: astore 1 /* td */
        start local 1 // java.lang.ThreadDeath td
         9: .line 117
            aload 1 /* td */
            athrow
        end local 1 // java.lang.ThreadDeath td
        10: .line 118
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 1 /* t */
        start local 1 // java.lang.Throwable t
        11: .line 119
            aload 1 /* t */
            invokevirtual java.lang.Throwable.printStackTrace:()V
        end local 1 // java.lang.Throwable t
        12: .line 102
            goto 0
        end local 0 // org.apache.batik.util.CleanerThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   13     0  this  Lorg/apache/batik/util/CleanerThread;
            1    2     1   ref  Ljava/lang/ref/Reference;
            4    7     1   ref  Ljava/lang/ref/Reference;
            6    7     2    rc  Lorg/apache/batik/util/CleanerThread$ReferenceCleared;
            9   10     1    td  Ljava/lang/ThreadDeath;
           11   12     1     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.InterruptedException
           0     3       8  Class java.lang.ThreadDeath
           4     7       8  Class java.lang.ThreadDeath
           0     3      10  Class java.lang.Throwable
           4     7      10  Class java.lang.Throwable
}
SourceFile: "CleanerThread.java"
NestMembers:
  org.apache.batik.util.CleanerThread$PhantomReferenceCleared  org.apache.batik.util.CleanerThread$ReferenceCleared  org.apache.batik.util.CleanerThread$SoftReferenceCleared  org.apache.batik.util.CleanerThread$WeakReferenceCleared
InnerClasses:
  public abstract PhantomReferenceCleared = org.apache.batik.util.CleanerThread$PhantomReferenceCleared of org.apache.batik.util.CleanerThread
  public abstract ReferenceCleared = org.apache.batik.util.CleanerThread$ReferenceCleared of org.apache.batik.util.CleanerThread
  public abstract SoftReferenceCleared = org.apache.batik.util.CleanerThread$SoftReferenceCleared of org.apache.batik.util.CleanerThread
  public abstract WeakReferenceCleared = org.apache.batik.util.CleanerThread$WeakReferenceCleared of org.apache.batik.util.CleanerThread