java/11 : java.net.http/jdk/internal/net/http/RedirectFilter.class

RedirectFilter
https://openjdk.java.net/
GPLv2 + Classpath Exception
class jdk.internal.net.http.RedirectFilter implements jdk.internal.net.http.HeaderFilter
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: jdk.internal.net.http.RedirectFilter
  super_class: java.lang.Object
{
  jdk.internal.net.http.HttpRequestImpl request;
    descriptor: Ljdk/internal/net/http/HttpRequestImpl;
    flags: (0x0000) 

  jdk.internal.net.http.HttpClientImpl client;
    descriptor: Ljdk/internal/net/http/HttpClientImpl;
    flags: (0x0000) 

  java.net.http.HttpClient$Redirect policy;
    descriptor: Ljava/net/http/HttpClient$Redirect;
    flags: (0x0000) 

  java.lang.String method;
    descriptor: Ljava/lang/String;
    flags: (0x0000) 

  jdk.internal.net.http.MultiExchange<?> exchange;
    descriptor: Ljdk/internal/net/http/MultiExchange;
    flags: (0x0000) 
    Signature: Ljdk/internal/net/http/MultiExchange<*>;

  static final int DEFAULT_MAX_REDIRECTS;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 5

  java.net.URI uri;
    descriptor: Ljava/net/URI;
    flags: (0x0000) 

  static final int HTTP_NOT_MODIFIED;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL
    ConstantValue: 304

  static final int max_redirects;
    descriptor: I
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  private static volatile int[] $SWITCH_TABLE$java$net$http$HttpClient$Redirect;
    descriptor: [I
    flags: (0x104a) ACC_PRIVATE, ACC_STATIC, ACC_VOLATILE, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 54
            ldc "jdk.httpclient.redirects.retrylimit"
            iconst_5
         1: .line 53
            invokestatic jdk.internal.net.http.common.Utils.getIntegerNetProperty:(Ljava/lang/String;I)I
            putstatic jdk.internal.net.http.RedirectFilter.max_redirects:I
         2: .line 55
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // jdk.internal.net.http.RedirectFilter this
         0: .line 58
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // jdk.internal.net.http.RedirectFilter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/internal/net/http/RedirectFilter;

  public synchronized void request(jdk.internal.net.http.HttpRequestImpl, jdk.internal.net.http.MultiExchange<?>);
    descriptor: (Ljdk/internal/net/http/HttpRequestImpl;Ljdk/internal/net/http/MultiExchange;)V
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // jdk.internal.net.http.RedirectFilter this
        start local 1 // jdk.internal.net.http.HttpRequestImpl r
        start local 2 // jdk.internal.net.http.MultiExchange e
         0: .line 62
            aload 0 /* this */
            aload 1 /* r */
            putfield jdk.internal.net.http.RedirectFilter.request:Ljdk/internal/net/http/HttpRequestImpl;
         1: .line 63
            aload 0 /* this */
            aload 2 /* e */
            invokevirtual jdk.internal.net.http.MultiExchange.client:()Ljdk/internal/net/http/HttpClientImpl;
            putfield jdk.internal.net.http.RedirectFilter.client:Ljdk/internal/net/http/HttpClientImpl;
         2: .line 64
            aload 0 /* this */
            aload 0 /* this */
            getfield jdk.internal.net.http.RedirectFilter.client:Ljdk/internal/net/http/HttpClientImpl;
            invokevirtual jdk.internal.net.http.HttpClientImpl.followRedirects:()Ljava/net/http/HttpClient$Redirect;
            putfield jdk.internal.net.http.RedirectFilter.policy:Ljava/net/http/HttpClient$Redirect;
         3: .line 66
            aload 0 /* this */
            aload 1 /* r */
            invokevirtual jdk.internal.net.http.HttpRequestImpl.method:()Ljava/lang/String;
            putfield jdk.internal.net.http.RedirectFilter.method:Ljava/lang/String;
         4: .line 67
            aload 0 /* this */
            aload 1 /* r */
            invokevirtual jdk.internal.net.http.HttpRequestImpl.uri:()Ljava/net/URI;
            putfield jdk.internal.net.http.RedirectFilter.uri:Ljava/net/URI;
         5: .line 68
            aload 0 /* this */
            aload 2 /* e */
            putfield jdk.internal.net.http.RedirectFilter.exchange:Ljdk/internal/net/http/MultiExchange;
         6: .line 69
            return
        end local 2 // jdk.internal.net.http.MultiExchange e
        end local 1 // jdk.internal.net.http.HttpRequestImpl r
        end local 0 // jdk.internal.net.http.RedirectFilter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Ljdk/internal/net/http/RedirectFilter;
            0    7     1     r  Ljdk/internal/net/http/HttpRequestImpl;
            0    7     2     e  Ljdk/internal/net/http/MultiExchange<*>;
    Exceptions:
      throws java.io.IOException
    Signature: (Ljdk/internal/net/http/HttpRequestImpl;Ljdk/internal/net/http/MultiExchange<*>;)V
    MethodParameters:
      Name  Flags
      r     
      e     

  public synchronized jdk.internal.net.http.HttpRequestImpl response(jdk.internal.net.http.Response);
    descriptor: (Ljdk/internal/net/http/Response;)Ljdk/internal/net/http/HttpRequestImpl;
    flags: (0x0021) ACC_PUBLIC, ACC_SYNCHRONIZED
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // jdk.internal.net.http.RedirectFilter this
        start local 1 // jdk.internal.net.http.Response r
         0: .line 73
            aload 0 /* this */
            aload 1 /* r */
            invokevirtual jdk.internal.net.http.RedirectFilter.handleResponse:(Ljdk/internal/net/http/Response;)Ljdk/internal/net/http/HttpRequestImpl;
            areturn
        end local 1 // jdk.internal.net.http.Response r
        end local 0 // jdk.internal.net.http.RedirectFilter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Ljdk/internal/net/http/RedirectFilter;
            0    1     1     r  Ljdk/internal/net/http/Response;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      r     

  private static java.lang.String redirectedMethod(int, java.lang.String);
    descriptor: (ILjava/lang/String;)Ljava/lang/String;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // int statusCode
        start local 1 // java.lang.String orig
         0: .line 77
            iload 0 /* statusCode */
            tableswitch { // 301 - 308
                  301: 1
                  302: 1
                  303: 4
                  304: 6
                  305: 6
                  306: 6
                  307: 5
                  308: 5
              default: 6
          }
         1: .line 80
      StackMap locals:
      StackMap stack:
            aload 1 /* orig */
            ldc "POST"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 2
            ldc "GET"
            goto 3
      StackMap locals:
      StackMap stack:
         2: aload 1 /* orig */
      StackMap locals:
      StackMap stack: java.lang.String
         3: areturn
         4: .line 82
      StackMap locals:
      StackMap stack:
            ldc "GET"
            areturn
         5: .line 85
      StackMap locals:
      StackMap stack:
            aload 1 /* orig */
            areturn
         6: .line 88
      StackMap locals:
      StackMap stack:
            aload 1 /* orig */
            areturn
        end local 1 // java.lang.String orig
        end local 0 // int statusCode
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    7     0  statusCode  I
            0    7     1        orig  Ljava/lang/String;
    MethodParameters:
            Name  Flags
      statusCode  
      orig        

  private jdk.internal.net.http.HttpRequestImpl handleResponse(jdk.internal.net.http.Response);
    descriptor: (Ljdk/internal/net/http/Response;)Ljdk/internal/net/http/HttpRequestImpl;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // jdk.internal.net.http.RedirectFilter this
        start local 1 // jdk.internal.net.http.Response r
         0: .line 97
            aload 1 /* r */
            invokevirtual jdk.internal.net.http.Response.statusCode:()I
            istore 2 /* rcode */
        start local 2 // int rcode
         1: .line 98
            iload 2 /* rcode */
            sipush 200
            if_icmpeq 2
            aload 0 /* this */
            getfield jdk.internal.net.http.RedirectFilter.policy:Ljava/net/http/HttpClient$Redirect;
            getstatic java.net.http.HttpClient$Redirect.NEVER:Ljava/net/http/HttpClient$Redirect;
            if_acmpne 3
         2: .line 99
      StackMap locals: int
      StackMap stack:
            aconst_null
            areturn
         3: .line 102
      StackMap locals:
      StackMap stack:
            iload 2 /* rcode */
            sipush 304
            if_icmpne 5
         4: .line 103
            aconst_null
            areturn
         5: .line 105
      StackMap locals:
      StackMap stack:
            iload 2 /* rcode */
            sipush 300
            if_icmplt 14
            iload 2 /* rcode */
            sipush 399
            if_icmpgt 14
         6: .line 106
            aload 0 /* this */
            aload 1 /* r */
            invokevirtual jdk.internal.net.http.Response.headers:()Ljava/net/http/HttpHeaders;
            invokevirtual jdk.internal.net.http.RedirectFilter.getRedirectedURI:(Ljava/net/http/HttpHeaders;)Ljava/net/URI;
            astore 3 /* redir */
        start local 3 // java.net.URI redir
         7: .line 107
            iload 2 /* rcode */
            aload 0 /* this */
            getfield jdk.internal.net.http.RedirectFilter.method:Ljava/lang/String;
            invokestatic jdk.internal.net.http.RedirectFilter.redirectedMethod:(ILjava/lang/String;)Ljava/lang/String;
            astore 4 /* newMethod */
        start local 4 // java.lang.String newMethod
         8: .line 108
            ldc "response code: {0}, redirected URI: {1}"
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            iload 2 /* rcode */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            aastore
            dup
            iconst_1
            aload 3 /* redir */
            aastore
            invokestatic jdk.internal.net.http.common.Log.logTrace:(Ljava/lang/String;[Ljava/lang/Object;)V
         9: .line 109
            aload 0 /* this */
            aload 3 /* redir */
            invokevirtual jdk.internal.net.http.RedirectFilter.canRedirect:(Ljava/net/URI;)Z
            ifeq 12
            aload 0 /* this */
            getfield jdk.internal.net.http.RedirectFilter.exchange:Ljdk/internal/net/http/MultiExchange;
            dup
            getfield jdk.internal.net.http.MultiExchange.numberOfRedirects:I
            iconst_1
            iadd
            dup_x1
            putfield jdk.internal.net.http.MultiExchange.numberOfRedirects:I
            getstatic jdk.internal.net.http.RedirectFilter.max_redirects:I
            if_icmpge 12
        10: .line 110
            ldc "redirect to: {0} with method: {1}"
            iconst_2
            anewarray java.lang.Object
            dup
            iconst_0
            aload 3 /* redir */
            aastore
            dup
            iconst_1
            aload 4 /* newMethod */
            aastore
            invokestatic jdk.internal.net.http.common.Log.logTrace:(Ljava/lang/String;[Ljava/lang/Object;)V
        11: .line 111
            aload 3 /* redir */
            aload 4 /* newMethod */
            aload 0 /* this */
            getfield jdk.internal.net.http.RedirectFilter.request:Ljdk/internal/net/http/HttpRequestImpl;
            invokestatic jdk.internal.net.http.HttpRequestImpl.newInstanceForRedirection:(Ljava/net/URI;Ljava/lang/String;Ljdk/internal/net/http/HttpRequestImpl;)Ljdk/internal/net/http/HttpRequestImpl;
            areturn
        12: .line 113
      StackMap locals: java.net.URI java.lang.String
      StackMap stack:
            ldc "not redirecting"
            iconst_0
            anewarray java.lang.Object
            invokestatic jdk.internal.net.http.common.Log.logTrace:(Ljava/lang/String;[Ljava/lang/Object;)V
        13: .line 114
            aconst_null
            areturn
        end local 4 // java.lang.String newMethod
        end local 3 // java.net.URI redir
        14: .line 117
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 2 // int rcode
        end local 1 // jdk.internal.net.http.Response r
        end local 0 // jdk.internal.net.http.RedirectFilter this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   15     0       this  Ljdk/internal/net/http/RedirectFilter;
            0   15     1          r  Ljdk/internal/net/http/Response;
            1   15     2      rcode  I
            7   14     3      redir  Ljava/net/URI;
            8   14     4  newMethod  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      r     

  private java.net.URI getRedirectedURI(java.net.http.HttpHeaders);
    descriptor: (Ljava/net/http/HttpHeaders;)Ljava/net/URI;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // jdk.internal.net.http.RedirectFilter this
        start local 1 // java.net.http.HttpHeaders headers
         0: .line 122
            aload 1 /* headers */
            ldc "Location"
            invokevirtual java.net.http.HttpHeaders.firstValue:(Ljava/lang/String;)Ljava/util/Optional;
         1: .line 123
            invokedynamic apply()Ljava/util/function/Function;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  (Ljava/lang/Object;)Ljava/lang/Object;
                  java/net/URI.create(Ljava/lang/String;)Ljava/net/URI; (6)
                  (Ljava/lang/String;)Ljava/net/URI;
            invokevirtual java.util.Optional.map:(Ljava/util/function/Function;)Ljava/util/Optional;
         2: .line 124
            invokedynamic get()Ljava/util/function/Supplier;
              Bootstrap: invokestatic java.lang.invoke.LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
                Method arguments:
                  ()Ljava/lang/Object;
                  jdk/internal/net/http/RedirectFilter.lambda$1()Ljava/io/UncheckedIOException; (6)
                  ()Ljava/io/UncheckedIOException;
            invokevirtual java.util.Optional.orElseThrow:(Ljava/util/function/Supplier;)Ljava/lang/Object;
            checkcast java.net.URI
         3: .line 122
            astore 2 /* redirectedURI */
        start local 2 // java.net.URI redirectedURI
         4: .line 129
            aload 0 /* this */
            getfield jdk.internal.net.http.RedirectFilter.uri:Ljava/net/URI;
            aload 2 /* redirectedURI */
            invokevirtual java.net.URI.resolve:(Ljava/net/URI;)Ljava/net/URI;
            astore 2 /* redirectedURI */
         5: .line 130
            aload 2 /* redirectedURI */
            areturn
        end local 2 // java.net.URI redirectedURI
        end local 1 // java.net.http.HttpHeaders headers
        end local 0 // jdk.internal.net.http.RedirectFilter this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    6     0           this  Ljdk/internal/net/http/RedirectFilter;
            0    6     1        headers  Ljava/net/http/HttpHeaders;
            4    6     2  redirectedURI  Ljava/net/URI;
    MethodParameters:
         Name  Flags
      headers  

  private boolean canRedirect(java.net.URI);
    descriptor: (Ljava/net/URI;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // jdk.internal.net.http.RedirectFilter this
        start local 1 // java.net.URI redir
         0: .line 134
            aload 1 /* redir */
            invokevirtual java.net.URI.getScheme:()Ljava/lang/String;
            astore 2 /* newScheme */
        start local 2 // java.lang.String newScheme
         1: .line 135
            aload 0 /* this */
            getfield jdk.internal.net.http.RedirectFilter.uri:Ljava/net/URI;
            invokevirtual java.net.URI.getScheme:()Ljava/lang/String;
            astore 3 /* oldScheme */
        start local 3 // java.lang.String oldScheme
         2: .line 136
            invokestatic jdk.internal.net.http.RedirectFilter.$SWITCH_TABLE$java$net$http$HttpClient$Redirect:()[I
            aload 0 /* this */
            getfield jdk.internal.net.http.RedirectFilter.policy:Ljava/net/http/HttpClient$Redirect;
            invokevirtual java.net.http.HttpClient$Redirect.ordinal:()I
            iaload
            tableswitch { // 1 - 3
                    1: 4
                    2: 3
                    3: 5
              default: 9
          }
         3: .line 138
      StackMap locals: java.lang.String java.lang.String
      StackMap stack:
            iconst_1
            ireturn
         4: .line 140
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
         5: .line 142
      StackMap locals:
      StackMap stack:
            aload 2 /* newScheme */
            aload 3 /* oldScheme */
            invokevirtual java.lang.String.equalsIgnoreCase:(Ljava/lang/String;)Z
            ifne 8
         6: .line 143
            aload 2 /* newScheme */
            ldc "https"
            invokevirtual java.lang.String.equalsIgnoreCase:(Ljava/lang/String;)Z
            ifne 8
         7: .line 142
            iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         8: iconst_1
            ireturn
         9: .line 145
      StackMap locals:
      StackMap stack:
            new java.lang.InternalError
            dup
            invokespecial java.lang.InternalError.<init>:()V
            athrow
        end local 3 // java.lang.String oldScheme
        end local 2 // java.lang.String newScheme
        end local 1 // java.net.URI redir
        end local 0 // jdk.internal.net.http.RedirectFilter this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   10     0       this  Ljdk/internal/net/http/RedirectFilter;
            0   10     1      redir  Ljava/net/URI;
            1   10     2  newScheme  Ljava/lang/String;
            2   10     3  oldScheme  Ljava/lang/String;
    MethodParameters:
       Name  Flags
      redir  

  static int[] $SWITCH_TABLE$java$net$http$HttpClient$Redirect();
    descriptor: ()[I
    flags: (0x1008) ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=3, locals=1, args_size=0
         0: .line 36
            getstatic jdk.internal.net.http.RedirectFilter.$SWITCH_TABLE$java$net$http$HttpClient$Redirect:[I
            dup
            ifnull 1
            areturn
      StackMap locals:
      StackMap stack: int[]
         1: pop
            invokestatic java.net.http.HttpClient$Redirect.values:()[Ljava/net/http/HttpClient$Redirect;
            arraylength
            newarray 10
            astore 0
         2: aload 0
            getstatic java.net.http.HttpClient$Redirect.ALWAYS:Ljava/net/http/HttpClient$Redirect;
            invokevirtual java.net.http.HttpClient$Redirect.ordinal:()I
            iconst_2
            iastore
         3: goto 5
      StackMap locals: int[]
      StackMap stack: java.lang.NoSuchFieldError
         4: pop
      StackMap locals:
      StackMap stack:
         5: aload 0
            getstatic java.net.http.HttpClient$Redirect.NEVER:Ljava/net/http/HttpClient$Redirect;
            invokevirtual java.net.http.HttpClient$Redirect.ordinal:()I
            iconst_1
            iastore
         6: goto 8
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
         7: pop
      StackMap locals:
      StackMap stack:
         8: aload 0
            getstatic java.net.http.HttpClient$Redirect.NORMAL:Ljava/net/http/HttpClient$Redirect;
            invokevirtual java.net.http.HttpClient$Redirect.ordinal:()I
            iconst_3
            iastore
         9: goto 11
      StackMap locals:
      StackMap stack: java.lang.NoSuchFieldError
        10: pop
      StackMap locals:
      StackMap stack:
        11: aload 0
            dup
            putstatic jdk.internal.net.http.RedirectFilter.$SWITCH_TABLE$java$net$http$HttpClient$Redirect:[I
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.NoSuchFieldError
           5     6       7  Class java.lang.NoSuchFieldError
           8     9      10  Class java.lang.NoSuchFieldError

  private static java.io.UncheckedIOException lambda$1();
    descriptor: ()Ljava/io/UncheckedIOException;
    flags: (0x100a) ACC_PRIVATE, ACC_STATIC, ACC_SYNTHETIC
    Code:
      stack=5, locals=0, args_size=0
         0: .line 124
            new java.io.UncheckedIOException
            dup
         1: .line 125
            new java.io.IOException
            dup
            ldc "Invalid redirection"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
         2: .line 124
            invokespecial java.io.UncheckedIOException.<init>:(Ljava/io/IOException;)V
         3: .line 125
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "RedirectFilter.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles
  public final Redirect = java.net.http.HttpClient$Redirect of java.net.http.HttpClient
/

java/ 11/ java.net.http/jdk/internal/net/http/RedirectFilter.class
