http://xml.apache.org/xalan-j/: Serializer to write out XML, HTML etc. as a stream of characters from an input DOM or from input SAX events. (The Apache Software Foundation) 
public class org.apache.xml.utils.ObjectPool implements java.io.Serializable
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.xml.utils.ObjectPool
  super_class: java.lang.Object
{
  static final long serialVersionUID;
    descriptor: J
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: -8519013691660936643

  private final java.lang.Class objectType;
    descriptor: Ljava/lang/Class;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.ArrayList freeStack;
    descriptor: Ljava/util/ArrayList;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(java.lang.Class);
    descriptor: (Ljava/lang/Class;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.xml.utils.ObjectPool this
        start local 1 // java.lang.Class type
         0: .line 50
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 52
            aload 0 /* this */
            aload 1 /* type */
            putfield org.apache.xml.utils.ObjectPool.objectType:Ljava/lang/Class;
         2: .line 53
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
         3: .line 54
            return
        end local 1 // java.lang.Class type
        end local 0 // org.apache.xml.utils.ObjectPool this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/xml/utils/ObjectPool;
            0    4     1  type  Ljava/lang/Class;
    MethodParameters:
      Name  Flags
      type  

  public void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // org.apache.xml.utils.ObjectPool this
        start local 1 // java.lang.String className
         0: .line 61
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 65
            aload 0 /* this */
         2: .line 66
            aload 1 /* className */
            invokestatic org.apache.xml.utils.ObjectFactory.findClassLoader:()Ljava/lang/ClassLoader;
            iconst_1
         3: .line 65
            invokestatic org.apache.xml.utils.ObjectFactory.findProviderClass:(Ljava/lang/String;Ljava/lang/ClassLoader;Z)Ljava/lang/Class;
            putfield org.apache.xml.utils.ObjectPool.objectType:Ljava/lang/Class;
         4: .line 67
            goto 7
         5: .line 68
      StackMap locals: org.apache.xml.utils.ObjectPool java.lang.String
      StackMap stack: java.lang.ClassNotFoundException
            astore 2 /* cnfe */
        start local 2 // java.lang.ClassNotFoundException cnfe
         6: .line 70
            new org.apache.xml.utils.WrappedRuntimeException
            dup
            aload 2 /* cnfe */
            invokespecial org.apache.xml.utils.WrappedRuntimeException.<init>:(Ljava/lang/Exception;)V
            athrow
        end local 2 // java.lang.ClassNotFoundException cnfe
         7: .line 72
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
         8: .line 73
            return
        end local 1 // java.lang.String className
        end local 0 // org.apache.xml.utils.ObjectPool this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    9     0       this  Lorg/apache/xml/utils/ObjectPool;
            0    9     1  className  Ljava/lang/String;
            6    7     2       cnfe  Ljava/lang/ClassNotFoundException;
      Exception table:
        from    to  target  type
           1     4       5  Class java.lang.ClassNotFoundException
    MethodParameters:
           Name  Flags
      className  

  public void <init>(java.lang.Class, int);
    descriptor: (Ljava/lang/Class;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.apache.xml.utils.ObjectPool this
        start local 1 // java.lang.Class type
        start local 2 // int size
         0: .line 83
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 85
            aload 0 /* this */
            aload 1 /* type */
            putfield org.apache.xml.utils.ObjectPool.objectType:Ljava/lang/Class;
         2: .line 86
            aload 0 /* this */
            new java.util.ArrayList
            dup
            iload 2 /* size */
            invokespecial java.util.ArrayList.<init>:(I)V
            putfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
         3: .line 87
            return
        end local 2 // int size
        end local 1 // java.lang.Class type
        end local 0 // org.apache.xml.utils.ObjectPool this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/xml/utils/ObjectPool;
            0    4     1  type  Ljava/lang/Class;
            0    4     2  size  I
    MethodParameters:
      Name  Flags
      type  
      size  

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.xml.utils.ObjectPool this
         0: .line 93
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 95
            aload 0 /* this */
            aconst_null
            putfield org.apache.xml.utils.ObjectPool.objectType:Ljava/lang/Class;
         2: .line 96
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
         3: .line 97
            return
        end local 0 // org.apache.xml.utils.ObjectPool this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/apache/xml/utils/ObjectPool;

  public synchronized java.lang.Object getInstanceIfFree();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.apache.xml.utils.ObjectPool this
         0: .line 109
            aload 0 /* this */
            getfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
            invokevirtual java.util.ArrayList.isEmpty:()Z
            ifne 3
         1: .line 113
            aload 0 /* this */
            getfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
            aload 0 /* this */
            getfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
            invokevirtual java.util.ArrayList.size:()I
            iconst_1
            isub
            invokevirtual java.util.ArrayList.remove:(I)Ljava/lang/Object;
            astore 1 /* result */
        start local 1 // java.lang.Object result
         2: .line 114
            aload 1 /* result */
            areturn
        end local 1 // java.lang.Object result
         3: .line 117
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 0 // org.apache.xml.utils.ObjectPool this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lorg/apache/xml/utils/ObjectPool;
            2    3     1  result  Ljava/lang/Object;

  public synchronized java.lang.Object getInstance();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=4, locals=2, args_size=1
        start local 0 // org.apache.xml.utils.ObjectPool this
         0: .line 130
            aload 0 /* this */
            getfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
            invokevirtual java.util.ArrayList.isEmpty:()Z
            ifeq 6
         1: .line 136
            aload 0 /* this */
            getfield org.apache.xml.utils.ObjectPool.objectType:Ljava/lang/Class;
            invokevirtual java.lang.Class.newInstance:()Ljava/lang/Object;
         2: areturn
         3: .line 138
      StackMap locals:
      StackMap stack: java.lang.InstantiationException
            pop
            goto 5
         4: .line 139
      StackMap locals:
      StackMap stack: java.lang.IllegalAccessException
            pop
         5: .line 142
      StackMap locals:
      StackMap stack:
            new java.lang.RuntimeException
            dup
            ldc "ER_EXCEPTION_CREATING_POOL"
            aconst_null
            invokestatic org.apache.xml.res.XMLMessages.createXMLMessage:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
            athrow
         6: .line 148
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
            aload 0 /* this */
            getfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
            invokevirtual java.util.ArrayList.size:()I
            iconst_1
            isub
            invokevirtual java.util.ArrayList.remove:(I)Ljava/lang/Object;
            astore 1 /* result */
        start local 1 // java.lang.Object result
         7: .line 150
            aload 1 /* result */
            areturn
        end local 1 // java.lang.Object result
        end local 0 // org.apache.xml.utils.ObjectPool this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Lorg/apache/xml/utils/ObjectPool;
            7    8     1  result  Ljava/lang/Object;
      Exception table:
        from    to  target  type
           1     2       3  Class java.lang.InstantiationException
           1     2       4  Class java.lang.IllegalAccessException

  public synchronized void freeInstance(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.xml.utils.ObjectPool this
        start local 1 // java.lang.Object obj
         0: .line 167
            aload 0 /* this */
            getfield org.apache.xml.utils.ObjectPool.freeStack:Ljava/util/ArrayList;
            aload 1 /* obj */
            invokevirtual java.util.ArrayList.add:(Ljava/lang/Object;)Z
            pop
         1: .line 173
            return
        end local 1 // java.lang.Object obj
        end local 0 // org.apache.xml.utils.ObjectPool this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/xml/utils/ObjectPool;
            0    2     1   obj  Ljava/lang/Object;
    MethodParameters:
      Name  Flags
      obj   
}
SourceFile: "ObjectPool.java"