org.apache.commons/commons-collections4/4.3 : org/apache/commons/collections4/iterators/PushbackIterator.class

PushbackIterator

http://commons.apache.org/proper/commons-collections/: The Apache Commons Collections package contains types that extend and augment the Java Collections Framework. (The Apache Software Foundation)

Apache License, Version 2.0

Rafael U. C. Afonso
Max Rydahl Andersen
Avalon
Federico Barbieri
Jeffrey Barnes
Nicola Ken Barozzi
Arron Bates
Sebastian Bazley
Benjamin Bentmann
Ola Berg
Sam Berlin
Christopher Berry
Nathan Beyer
Rune Peter Bjørnstad
Janek Bogucki
Maarten Brak
Dave Bryson
Chuck Burdick
Julien Buret
Josh Cain
Jonathan Carlson
Ram Chidambaram
Steve Clark
Benoit Corne
Eric Crampton
Dimiter Dimitrov
Peter Donald
Steve Downey
Rich Dougherty
Tom Dunham
Stefano Fornari
Andrew Freeman
Gerhard Froehlich
Goran Hacek
David Hay
Mario Ivankovits
Paul Jack
Eric Johnson
Kent Johnson
Marc Johnson
Roger Kapsi
Nissim Karpenstein
Shinobu Kawai
Stephen Kestle
Mohan Kishore
Simon Kitching
Thomas Knych
Serge Knystautas
Peter KoBek
Jordan Krey
Olaf Krische
Guilhem Lavaux
Paul Legato
David Leppik
Berin Loritsch
Hendrik Maryns
Stefano Mazzocchi
Brian McCallister
David Meikle
Steven Melzer
Leon Messerschmidt
Mauricio S. Moura
Kasper Nielsen
Stanislaw Osinski
Alban Peignier
Mike Pettypiece
Steve Phelps
Ilkka Priha
Jonas Van Poucke
Will Pugh
Herve Quiroz
Daniel Rall
Robert Ribnitz
Huw Roberts
Henning P. Schmiedehausen
Joerg Schmuecker
Howard Lewis Ship
Joe Raysa
Jeff Rodriguez
Ashwin S
Jordane Sarda
Thomas Schapitz
Jon Schewe
Andreas Schlosser
Christian Siefkes
Michael Smith
Stephen Smith
Jan Sorensen
Jon S. Stevens
James Strachan
Leo Sutic
Radford Tam
Chris Tilden
Neil O'Toole
Jeff Turner
Kazuya Ujihara
Thomas Vahrst
Jeff Varszegi
Ralph Wagner
Hollis Waite
David Weinrich
Dieter Wimberger
Serhiy Yevtushenko
Sai Zhang
Jason van Zyl
Geoff Schoeman
Goncalo Marques
Vamsi Kavuri

Matt Benson
James Carman
Stephen Colebourne
Robert Burrell Donkin
Morgan Delagrange
Gary Gregory
Matthew Hawthorne
Dipanjan Laha
Geir Magnusson
Luc Maisonobe
Craig McClanahan
Thomas Neidhart
Adrian Nistor
Arun M. Thomas
Rodney Waldhoff
Henri Yandell
Rob Tompkins

public class org.apache.commons.collections4.iterators.PushbackIterator<E> implements java.util.Iterator<E>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.commons.collections4.iterators.PushbackIterator
  super_class: java.lang.Object
{
  private final java.util.Iterator<? extends E> iterator;
    descriptor: Ljava/util/Iterator;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Iterator<+TE;>;

  private final java.util.Deque<E> items;
    descriptor: Ljava/util/Deque;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Deque<TE;>;

  public static <E> org.apache.commons.collections4.iterators.PushbackIterator<E> pushbackIterator(java.util.Iterator<? extends E>);
    descriptor: (Ljava/util/Iterator;)Lorg/apache/commons/collections4/iterators/PushbackIterator;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.util.Iterator iterator
         0: .line 55
            aload 0 /* iterator */
            ifnonnull 2
         1: .line 56
            new java.lang.NullPointerException
            dup
            ldc "Iterator must not be null"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 58
      StackMap locals:
      StackMap stack:
            aload 0 /* iterator */
            instanceof org.apache.commons.collections4.iterators.PushbackIterator
            ifeq 5
         3: .line 60
            aload 0 /* iterator */
            checkcast org.apache.commons.collections4.iterators.PushbackIterator
            astore 1 /* it */
        start local 1 // org.apache.commons.collections4.iterators.PushbackIterator it
         4: .line 61
            aload 1 /* it */
            areturn
        end local 1 // org.apache.commons.collections4.iterators.PushbackIterator it
         5: .line 63
      StackMap locals:
      StackMap stack:
            new org.apache.commons.collections4.iterators.PushbackIterator
            dup
            aload 0 /* iterator */
            invokespecial org.apache.commons.collections4.iterators.PushbackIterator.<init>:(Ljava/util/Iterator;)V
            areturn
        end local 0 // java.util.Iterator iterator
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0  iterator  Ljava/util/Iterator<+TE;>;
            4    5     1        it  Lorg/apache/commons/collections4/iterators/PushbackIterator<TE;>;
    Signature: <E:Ljava/lang/Object;>(Ljava/util/Iterator<+TE;>;)Lorg/apache/commons/collections4/iterators/PushbackIterator<TE;>;
    MethodParameters:
          Name  Flags
      iterator  final

  public void <init>(java.util.Iterator<? extends E>);
    descriptor: (Ljava/util/Iterator;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.commons.collections4.iterators.PushbackIterator this
        start local 1 // java.util.Iterator iterator
         0: .line 74
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 41
            aload 0 /* this */
            new java.util.ArrayDeque
            dup
            invokespecial java.util.ArrayDeque.<init>:()V
            putfield org.apache.commons.collections4.iterators.PushbackIterator.items:Ljava/util/Deque;
         2: .line 75
            aload 0 /* this */
            aload 1 /* iterator */
            putfield org.apache.commons.collections4.iterators.PushbackIterator.iterator:Ljava/util/Iterator;
         3: .line 76
            return
        end local 1 // java.util.Iterator iterator
        end local 0 // org.apache.commons.collections4.iterators.PushbackIterator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    4     0      this  Lorg/apache/commons/collections4/iterators/PushbackIterator<TE;>;
            0    4     1  iterator  Ljava/util/Iterator<+TE;>;
    Signature: (Ljava/util/Iterator<+TE;>;)V
    MethodParameters:
          Name  Flags
      iterator  final

  public void pushback();
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.commons.collections4.iterators.PushbackIterator this
        start local 1 // java.lang.Object item
         0: .line 86
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.PushbackIterator.items:Ljava/util/Deque;
            aload 1 /* item */
            invokeinterface java.util.Deque.push:(Ljava/lang/Object;)V
         1: .line 87
            return
        end local 1 // java.lang.Object item
        end local 0 // org.apache.commons.collections4.iterators.PushbackIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/commons/collections4/iterators/PushbackIterator<TE;>;
            0    2     1  item  TE;
    Signature: (TE;)V
    MethodParameters:
      Name  Flags
      item  final

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.iterators.PushbackIterator this
         0: .line 91
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.PushbackIterator.items:Ljava/util/Deque;
            invokeinterface java.util.Deque.isEmpty:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.PushbackIterator.iterator:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.hasNext:()Z
      StackMap locals:
      StackMap stack: int
         2: ireturn
        end local 0 // org.apache.commons.collections4.iterators.PushbackIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/commons/collections4/iterators/PushbackIterator<TE;>;

  public E next();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.iterators.PushbackIterator this
         0: .line 96
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.PushbackIterator.items:Ljava/util/Deque;
            invokeinterface java.util.Deque.isEmpty:()Z
            ifne 1
            aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.PushbackIterator.items:Ljava/util/Deque;
            invokeinterface java.util.Deque.pop:()Ljava/lang/Object;
            goto 2
      StackMap locals:
      StackMap stack:
         1: aload 0 /* this */
            getfield org.apache.commons.collections4.iterators.PushbackIterator.iterator:Ljava/util/Iterator;
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
      StackMap locals:
      StackMap stack: java.lang.Object
         2: areturn
        end local 0 // org.apache.commons.collections4.iterators.PushbackIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/commons/collections4/iterators/PushbackIterator<TE;>;
    Signature: ()TE;

  public void remove();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.commons.collections4.iterators.PushbackIterator this
         0: .line 106
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 0 // org.apache.commons.collections4.iterators.PushbackIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/collections4/iterators/PushbackIterator<TE;>;
}
Signature: <E:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/Iterator<TE;>;
SourceFile: "PushbackIterator.java"

/

org.apache.commons/ commons-collections4/ 4.3/ org/apache/commons/collections4/iterators/PushbackIterator.class