https://tomcat.apache.org/: Tomcat Connectors and HTTP parser 
public class org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl implements org.apache.tomcat.util.http.fileupload.FileItemStream
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl
  super_class: java.lang.Object
{
  private final org.apache.tomcat.util.http.fileupload.impl.FileItemIteratorImpl fileItemIteratorImpl;
    descriptor: Lorg/apache/tomcat/util/http/fileupload/impl/FileItemIteratorImpl;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

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

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

  final java.lang.String name;
    descriptor: Ljava/lang/String;
    flags: (0x0010) ACC_FINAL

  private final boolean formField;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.io.InputStream stream;
    descriptor: Ljava/io/InputStream;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private org.apache.tomcat.util.http.fileupload.FileItemHeaders headers;
    descriptor: Lorg/apache/tomcat/util/http/fileupload/FileItemHeaders;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.apache.tomcat.util.http.fileupload.impl.FileItemIteratorImpl, java.lang.String, java.lang.String, java.lang.String, boolean, long);
    descriptor: (Lorg/apache/tomcat/util/http/fileupload/impl/FileItemIteratorImpl;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;ZJ)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=8, locals=12, args_size=7
        start local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
        start local 1 // org.apache.tomcat.util.http.fileupload.impl.FileItemIteratorImpl pFileItemIterator
        start local 2 // java.lang.String pName
        start local 3 // java.lang.String pFieldName
        start local 4 // java.lang.String pContentType
        start local 5 // boolean pFormField
        start local 6 // long pContentLength
         0: .line 81
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 84
            aload 0 /* this */
            aload 1 /* pFileItemIterator */
            putfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.fileItemIteratorImpl:Lorg/apache/tomcat/util/http/fileupload/impl/FileItemIteratorImpl;
         2: .line 85
            aload 0 /* this */
            aload 2 /* pName */
            putfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.name:Ljava/lang/String;
         3: .line 86
            aload 0 /* this */
            aload 3 /* pFieldName */
            putfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.fieldName:Ljava/lang/String;
         4: .line 87
            aload 0 /* this */
            aload 4 /* pContentType */
            putfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.contentType:Ljava/lang/String;
         5: .line 88
            aload 0 /* this */
            iload 5 /* pFormField */
            putfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.formField:Z
         6: .line 89
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.fileItemIteratorImpl:Lorg/apache/tomcat/util/http/fileupload/impl/FileItemIteratorImpl;
            invokevirtual org.apache.tomcat.util.http.fileupload.impl.FileItemIteratorImpl.getFileSizeMax:()J
            lstore 8 /* fileSizeMax */
        start local 8 // long fileSizeMax
         7: .line 90
            lload 8 /* fileSizeMax */
            ldc -1
            lcmp
            ifeq 20
         8: .line 91
            lload 6 /* pContentLength */
            ldc -1
            lcmp
            ifeq 20
         9: .line 92
            lload 6 /* pContentLength */
            lload 8 /* fileSizeMax */
            lcmp
            ifle 20
        10: .line 94
            new org.apache.tomcat.util.http.fileupload.impl.FileSizeLimitExceededException
            dup
        11: .line 95
            ldc "The field %s exceeds its maximum permitted size of %s bytes."
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
        12: .line 96
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.fieldName:Ljava/lang/String;
            aastore
            dup
            iconst_1
            lload 8 /* fileSizeMax */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aastore
        13: .line 95
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
        14: .line 97
            lload 6 /* pContentLength */
            lload 8 /* fileSizeMax */
        15: .line 94
            invokespecial org.apache.tomcat.util.http.fileupload.impl.FileSizeLimitExceededException.<init>:(Ljava/lang/String;JJ)V
        16: .line 93
            astore 10 /* e */
        start local 10 // org.apache.tomcat.util.http.fileupload.impl.FileSizeLimitExceededException e
        17: .line 98
            aload 10 /* e */
            aload 2 /* pName */
            invokevirtual org.apache.tomcat.util.http.fileupload.impl.FileSizeLimitExceededException.setFileName:(Ljava/lang/String;)V
        18: .line 99
            aload 10 /* e */
            aload 3 /* pFieldName */
            invokevirtual org.apache.tomcat.util.http.fileupload.impl.FileSizeLimitExceededException.setFieldName:(Ljava/lang/String;)V
        19: .line 100
            new org.apache.tomcat.util.http.fileupload.impl.FileUploadIOException
            dup
            aload 10 /* e */
            invokespecial org.apache.tomcat.util.http.fileupload.impl.FileUploadIOException.<init>:(Lorg/apache/tomcat/util/http/fileupload/FileUploadException;)V
            athrow
        end local 10 // org.apache.tomcat.util.http.fileupload.impl.FileSizeLimitExceededException e
        20: .line 104
      StackMap locals: org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl org.apache.tomcat.util.http.fileupload.impl.FileItemIteratorImpl java.lang.String java.lang.String java.lang.String int long long
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.fileItemIteratorImpl:Lorg/apache/tomcat/util/http/fileupload/impl/FileItemIteratorImpl;
            invokevirtual org.apache.tomcat.util.http.fileupload.impl.FileItemIteratorImpl.getMultiPartStream:()Lorg/apache/tomcat/util/http/fileupload/MultipartStream;
            invokevirtual org.apache.tomcat.util.http.fileupload.MultipartStream.newInputStream:()Lorg/apache/tomcat/util/http/fileupload/MultipartStream$ItemInputStream;
            astore 10 /* itemStream */
        start local 10 // org.apache.tomcat.util.http.fileupload.MultipartStream$ItemInputStream itemStream
        21: .line 105
            aload 10 /* itemStream */
            astore 11 /* istream */
        start local 11 // java.io.InputStream istream
        22: .line 106
            lload 8 /* fileSizeMax */
            ldc -1
            lcmp
            ifeq 24
        23: .line 107
            new org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl$1
            dup
            aload 0 /* this */
            aload 11 /* istream */
            lload 8 /* fileSizeMax */
            aload 10 /* itemStream */
            invokespecial org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl$1.<init>:(Lorg/apache/tomcat/util/http/fileupload/impl/FileItemStreamImpl;Ljava/io/InputStream;JLorg/apache/tomcat/util/http/fileupload/MultipartStream$ItemInputStream;)V
            astore 11 /* istream */
        24: .line 123
      StackMap locals: org.apache.tomcat.util.http.fileupload.MultipartStream$ItemInputStream java.io.InputStream
      StackMap stack:
            aload 0 /* this */
            aload 11 /* istream */
            putfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.stream:Ljava/io/InputStream;
        25: .line 124
            return
        end local 11 // java.io.InputStream istream
        end local 10 // org.apache.tomcat.util.http.fileupload.MultipartStream$ItemInputStream itemStream
        end local 8 // long fileSizeMax
        end local 6 // long pContentLength
        end local 5 // boolean pFormField
        end local 4 // java.lang.String pContentType
        end local 3 // java.lang.String pFieldName
        end local 2 // java.lang.String pName
        end local 1 // org.apache.tomcat.util.http.fileupload.impl.FileItemIteratorImpl pFileItemIterator
        end local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0   26     0               this  Lorg/apache/tomcat/util/http/fileupload/impl/FileItemStreamImpl;
            0   26     1  pFileItemIterator  Lorg/apache/tomcat/util/http/fileupload/impl/FileItemIteratorImpl;
            0   26     2              pName  Ljava/lang/String;
            0   26     3         pFieldName  Ljava/lang/String;
            0   26     4       pContentType  Ljava/lang/String;
            0   26     5         pFormField  Z
            0   26     6     pContentLength  J
            7   26     8        fileSizeMax  J
           17   20    10                  e  Lorg/apache/tomcat/util/http/fileupload/impl/FileSizeLimitExceededException;
           21   26    10         itemStream  Lorg/apache/tomcat/util/http/fileupload/MultipartStream$ItemInputStream;
           22   26    11            istream  Ljava/io/InputStream;
    Exceptions:
      throws org.apache.tomcat.util.http.fileupload.FileUploadException, java.io.IOException
    MethodParameters:
                   Name  Flags
      pFileItemIterator  
      pName              
      pFieldName         
      pContentType       
      pFormField         
      pContentLength     

  public java.lang.String getContentType();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
         0: .line 133
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.contentType:Ljava/lang/String;
            areturn
        end local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/tomcat/util/http/fileupload/impl/FileItemStreamImpl;

  public java.lang.String getFieldName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
         0: .line 143
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.fieldName:Ljava/lang/String;
            areturn
        end local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/tomcat/util/http/fileupload/impl/FileItemStreamImpl;

  public java.lang.String getName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
         0: .line 157
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.name:Ljava/lang/String;
            invokestatic org.apache.tomcat.util.http.fileupload.util.Streams.checkFileName:(Ljava/lang/String;)Ljava/lang/String;
            areturn
        end local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/tomcat/util/http/fileupload/impl/FileItemStreamImpl;

  public boolean isFormField();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
         0: .line 168
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.formField:Z
            ireturn
        end local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/tomcat/util/http/fileupload/impl/FileItemStreamImpl;

  public java.io.InputStream openStream();
    descriptor: ()Ljava/io/InputStream;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
         0: .line 180
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.stream:Ljava/io/InputStream;
            checkcast org.apache.tomcat.util.http.fileupload.util.Closeable
            invokeinterface org.apache.tomcat.util.http.fileupload.util.Closeable.isClosed:()Z
            ifeq 2
         1: .line 181
            new org.apache.tomcat.util.http.fileupload.FileItemStream$ItemSkippedException
            dup
            invokespecial org.apache.tomcat.util.http.fileupload.FileItemStream$ItemSkippedException.<init>:()V
            athrow
         2: .line 183
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.stream:Ljava/io/InputStream;
            areturn
        end local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/tomcat/util/http/fileupload/impl/FileItemStreamImpl;
    Exceptions:
      throws java.io.IOException

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
         0: .line 192
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.stream:Ljava/io/InputStream;
            invokevirtual java.io.InputStream.close:()V
         1: .line 193
            return
        end local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/tomcat/util/http/fileupload/impl/FileItemStreamImpl;
    Exceptions:
      throws java.io.IOException

  public org.apache.tomcat.util.http.fileupload.FileItemHeaders getHeaders();
    descriptor: ()Lorg/apache/tomcat/util/http/fileupload/FileItemHeaders;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
         0: .line 202
            aload 0 /* this */
            getfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.headers:Lorg/apache/tomcat/util/http/fileupload/FileItemHeaders;
            areturn
        end local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/tomcat/util/http/fileupload/impl/FileItemStreamImpl;

  public void setHeaders(org.apache.tomcat.util.http.fileupload.FileItemHeaders);
    descriptor: (Lorg/apache/tomcat/util/http/fileupload/FileItemHeaders;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
        start local 1 // org.apache.tomcat.util.http.fileupload.FileItemHeaders pHeaders
         0: .line 212
            aload 0 /* this */
            aload 1 /* pHeaders */
            putfield org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl.headers:Lorg/apache/tomcat/util/http/fileupload/FileItemHeaders;
         1: .line 213
            return
        end local 1 // org.apache.tomcat.util.http.fileupload.FileItemHeaders pHeaders
        end local 0 // org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lorg/apache/tomcat/util/http/fileupload/impl/FileItemStreamImpl;
            0    2     1  pHeaders  Lorg/apache/tomcat/util/http/fileupload/FileItemHeaders;
    MethodParameters:
          Name  Flags
      pHeaders  
}
SourceFile: "FileItemStreamImpl.java"
NestMembers:
  org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl$1
InnerClasses:
  public ItemSkippedException = org.apache.tomcat.util.http.fileupload.FileItemStream$ItemSkippedException of org.apache.tomcat.util.http.fileupload.FileItemStream
  public ItemInputStream = org.apache.tomcat.util.http.fileupload.MultipartStream$ItemInputStream of org.apache.tomcat.util.http.fileupload.MultipartStream
  org.apache.tomcat.util.http.fileupload.impl.FileItemStreamImpl$1