https://github.com/spring-projects/spring-framework: Spring Web (Spring IO)
  • Juergen Hoeller 
public class org.springframework.web.accept.ContentNegotiationManager implements org.springframework.web.accept.ContentNegotiationStrategy, org.springframework.web.accept.MediaTypeFileExtensionResolver
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.springframework.web.accept.ContentNegotiationManager
  super_class: java.lang.Object
{
  private final java.util.List<org.springframework.web.accept.ContentNegotiationStrategy> strategies;
    descriptor: Ljava/util/List;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/List<Lorg/springframework/web/accept/ContentNegotiationStrategy;>;

  private final java.util.Set<org.springframework.web.accept.MediaTypeFileExtensionResolver> resolvers;
    descriptor: Ljava/util/Set;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Set<Lorg/springframework/web/accept/MediaTypeFileExtensionResolver;>;

  public void <init>(org.springframework.web.accept.ContentNegotiationStrategy[]);
    descriptor: ([Lorg/springframework/web/accept/ContentNegotiationStrategy;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.web.accept.ContentNegotiationManager this
        start local 1 // org.springframework.web.accept.ContentNegotiationStrategy[] strategies
         0: .line 60
            aload 0 /* this */
            aload 1 /* strategies */
            invokestatic java.util.Arrays.asList:([Ljava/lang/Object;)Ljava/util/List;
            invokespecial org.springframework.web.accept.ContentNegotiationManager.<init>:(Ljava/util/Collection;)V
         1: .line 61
            return
        end local 1 // org.springframework.web.accept.ContentNegotiationStrategy[] strategies
        end local 0 // org.springframework.web.accept.ContentNegotiationManager this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0        this  Lorg/springframework/web/accept/ContentNegotiationManager;
            0    2     1  strategies  [Lorg/springframework/web/accept/ContentNegotiationStrategy;
    MethodParameters:
            Name  Flags
      strategies  

  public void <init>(java.util.Collection<org.springframework.web.accept.ContentNegotiationStrategy>);
    descriptor: (Ljava/util/Collection;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=2
        start local 0 // org.springframework.web.accept.ContentNegotiationManager this
        start local 1 // java.util.Collection strategies
         0: .line 69
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 48
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield org.springframework.web.accept.ContentNegotiationManager.strategies:Ljava/util/List;
         2: .line 50
            aload 0 /* this */
            new java.util.LinkedHashSet
            dup
            invokespecial java.util.LinkedHashSet.<init>:()V
            putfield org.springframework.web.accept.ContentNegotiationManager.resolvers:Ljava/util/Set;
         3: .line 70
            aload 1 /* strategies */
            ldc "At least one ContentNegotiationStrategy is expected"
            invokestatic org.springframework.util.Assert.notEmpty:(Ljava/util/Collection;Ljava/lang/String;)V
         4: .line 71
            aload 0 /* this */
            getfield org.springframework.web.accept.ContentNegotiationManager.strategies:Ljava/util/List;
            aload 1 /* strategies */
            invokeinterface java.util.List.addAll:(Ljava/util/Collection;)Z
            pop
         5: .line 72
            aload 0 /* this */
            getfield org.springframework.web.accept.ContentNegotiationManager.strategies:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 3
            goto 9
      StackMap locals: org.springframework.web.accept.ContentNegotiationManager java.util.Collection top java.util.Iterator
      StackMap stack:
         6: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.springframework.web.accept.ContentNegotiationStrategy
            astore 2 /* strategy */
        start local 2 // org.springframework.web.accept.ContentNegotiationStrategy strategy
         7: .line 73
            aload 2 /* strategy */
            instanceof org.springframework.web.accept.MediaTypeFileExtensionResolver
            ifeq 9
         8: .line 74
            aload 0 /* this */
            getfield org.springframework.web.accept.ContentNegotiationManager.resolvers:Ljava/util/Set;
            aload 2 /* strategy */
            checkcast org.springframework.web.accept.MediaTypeFileExtensionResolver
            invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
            pop
        end local 2 // org.springframework.web.accept.ContentNegotiationStrategy strategy
         9: .line 72
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 6
        10: .line 77
            return
        end local 1 // java.util.Collection strategies
        end local 0 // org.springframework.web.accept.ContentNegotiationManager this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0   11     0        this  Lorg/springframework/web/accept/ContentNegotiationManager;
            0   11     1  strategies  Ljava/util/Collection<Lorg/springframework/web/accept/ContentNegotiationStrategy;>;
            7    9     2    strategy  Lorg/springframework/web/accept/ContentNegotiationStrategy;
    Signature: (Ljava/util/Collection<Lorg/springframework/web/accept/ContentNegotiationStrategy;>;)V
    MethodParameters:
            Name  Flags
      strategies  

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=1, args_size=1
        start local 0 // org.springframework.web.accept.ContentNegotiationManager this
         0: .line 83
            aload 0 /* this */
            iconst_1
            anewarray org.springframework.web.accept.ContentNegotiationStrategy
            dup
            iconst_0
            new org.springframework.web.accept.HeaderContentNegotiationStrategy
            dup
            invokespecial org.springframework.web.accept.HeaderContentNegotiationStrategy.<init>:()V
            aastore
            invokespecial org.springframework.web.accept.ContentNegotiationManager.<init>:([Lorg/springframework/web/accept/ContentNegotiationStrategy;)V
         1: .line 84
            return
        end local 0 // org.springframework.web.accept.ContentNegotiationManager this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/springframework/web/accept/ContentNegotiationManager;

  public java.util.List<org.springframework.web.accept.ContentNegotiationStrategy> getStrategies();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.springframework.web.accept.ContentNegotiationManager this
         0: .line 92
            aload 0 /* this */
            getfield org.springframework.web.accept.ContentNegotiationManager.strategies:Ljava/util/List;
            areturn
        end local 0 // org.springframework.web.accept.ContentNegotiationManager this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/springframework/web/accept/ContentNegotiationManager;
    Signature: ()Ljava/util/List<Lorg/springframework/web/accept/ContentNegotiationStrategy;>;

  public <T extends org.springframework.web.accept.ContentNegotiationStrategy> T getStrategy(java.lang.Class<T>);
    descriptor: (Ljava/lang/Class;)Lorg/springframework/web/accept/ContentNegotiationStrategy;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=2
        start local 0 // org.springframework.web.accept.ContentNegotiationManager this
        start local 1 // java.lang.Class strategyType
         0: .line 104
            aload 0 /* this */
            invokevirtual org.springframework.web.accept.ContentNegotiationManager.getStrategies:()Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 3
            goto 4
      StackMap locals: org.springframework.web.accept.ContentNegotiationManager java.lang.Class top java.util.Iterator
      StackMap stack:
         1: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.springframework.web.accept.ContentNegotiationStrategy
            astore 2 /* strategy */
        start local 2 // org.springframework.web.accept.ContentNegotiationStrategy strategy
         2: .line 105
            aload 1 /* strategyType */
            aload 2 /* strategy */
            invokevirtual java.lang.Class.isInstance:(Ljava/lang/Object;)Z
            ifeq 4
         3: .line 106
            aload 2 /* strategy */
            areturn
        end local 2 // org.springframework.web.accept.ContentNegotiationStrategy strategy
         4: .line 104
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
         5: .line 109
            aconst_null
            areturn
        end local 1 // java.lang.Class strategyType
        end local 0 // org.springframework.web.accept.ContentNegotiationManager this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    6     0          this  Lorg/springframework/web/accept/ContentNegotiationManager;
            0    6     1  strategyType  Ljava/lang/Class<TT;>;
            2    4     2      strategy  Lorg/springframework/web/accept/ContentNegotiationStrategy;
    Signature: <T::Lorg/springframework/web/accept/ContentNegotiationStrategy;>(Ljava/lang/Class<TT;>;)TT;
    RuntimeVisibleAnnotations: 
      org.springframework.lang.Nullable()
    MethodParameters:
              Name  Flags
      strategyType  

  public void addFileExtensionResolvers(org.springframework.web.accept.MediaTypeFileExtensionResolver[]);
    descriptor: ([Lorg/springframework/web/accept/MediaTypeFileExtensionResolver;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.web.accept.ContentNegotiationManager this
        start local 1 // org.springframework.web.accept.MediaTypeFileExtensionResolver[] resolvers
         0: .line 118
            aload 0 /* this */
            getfield org.springframework.web.accept.ContentNegotiationManager.resolvers:Ljava/util/Set;
            aload 1 /* resolvers */
            invokestatic java.util.Collections.addAll:(Ljava/util/Collection;[Ljava/lang/Object;)Z
            pop
         1: .line 119
            return
        end local 1 // org.springframework.web.accept.MediaTypeFileExtensionResolver[] resolvers
        end local 0 // org.springframework.web.accept.ContentNegotiationManager this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lorg/springframework/web/accept/ContentNegotiationManager;
            0    2     1  resolvers  [Lorg/springframework/web/accept/MediaTypeFileExtensionResolver;
    MethodParameters:
           Name  Flags
      resolvers  

  public java.util.List<org.springframework.http.MediaType> resolveMediaTypes(org.springframework.web.context.request.NativeWebRequest);
    descriptor: (Lorg/springframework/web/context/request/NativeWebRequest;)Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=5, args_size=2
        start local 0 // org.springframework.web.accept.ContentNegotiationManager this
        start local 1 // org.springframework.web.context.request.NativeWebRequest request
         0: .line 123
            aload 0 /* this */
            getfield org.springframework.web.accept.ContentNegotiationManager.strategies:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 3
            goto 6
      StackMap locals: org.springframework.web.accept.ContentNegotiationManager org.springframework.web.context.request.NativeWebRequest top java.util.Iterator
      StackMap stack:
         1: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.springframework.web.accept.ContentNegotiationStrategy
            astore 2 /* strategy */
        start local 2 // org.springframework.web.accept.ContentNegotiationStrategy strategy
         2: .line 124
            aload 2 /* strategy */
            aload 1 /* request */
            invokeinterface org.springframework.web.accept.ContentNegotiationStrategy.resolveMediaTypes:(Lorg/springframework/web/context/request/NativeWebRequest;)Ljava/util/List;
            astore 4 /* mediaTypes */
        start local 4 // java.util.List mediaTypes
         3: .line 125
            aload 4 /* mediaTypes */
            getstatic org.springframework.web.accept.ContentNegotiationManager.MEDIA_TYPE_ALL_LIST:Ljava/util/List;
            invokeinterface java.util.List.equals:(Ljava/lang/Object;)Z
            ifeq 5
         4: .line 126
            goto 6
         5: .line 128
      StackMap locals: org.springframework.web.accept.ContentNegotiationManager org.springframework.web.context.request.NativeWebRequest org.springframework.web.accept.ContentNegotiationStrategy java.util.Iterator java.util.List
      StackMap stack:
            aload 4 /* mediaTypes */
            areturn
        end local 4 // java.util.List mediaTypes
        end local 2 // org.springframework.web.accept.ContentNegotiationStrategy strategy
         6: .line 123
      StackMap locals: org.springframework.web.accept.ContentNegotiationManager org.springframework.web.context.request.NativeWebRequest top java.util.Iterator
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 1
         7: .line 130
            getstatic org.springframework.web.accept.ContentNegotiationManager.MEDIA_TYPE_ALL_LIST:Ljava/util/List;
            areturn
        end local 1 // org.springframework.web.context.request.NativeWebRequest request
        end local 0 // org.springframework.web.accept.ContentNegotiationManager this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    8     0        this  Lorg/springframework/web/accept/ContentNegotiationManager;
            0    8     1     request  Lorg/springframework/web/context/request/NativeWebRequest;
            2    6     2    strategy  Lorg/springframework/web/accept/ContentNegotiationStrategy;
            3    6     4  mediaTypes  Ljava/util/List<Lorg/springframework/http/MediaType;>;
    Exceptions:
      throws org.springframework.web.HttpMediaTypeNotAcceptableException
    Signature: (Lorg/springframework/web/context/request/NativeWebRequest;)Ljava/util/List<Lorg/springframework/http/MediaType;>;
    MethodParameters:
         Name  Flags
      request  

  public java.util.List<java.lang.String> resolveFileExtensions(org.springframework.http.MediaType);
    descriptor: (Lorg/springframework/http/MediaType;)Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=5, args_size=2
        start local 0 // org.springframework.web.accept.ContentNegotiationManager this
        start local 1 // org.springframework.http.MediaType mediaType
         0: .line 135
            new java.util.LinkedHashSet
            dup
            invokespecial java.util.LinkedHashSet.<init>:()V
            astore 2 /* result */
        start local 2 // java.util.Set result
         1: .line 136
            aload 0 /* this */
            getfield org.springframework.web.accept.ContentNegotiationManager.resolvers:Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 4
            goto 4
      StackMap locals: org.springframework.web.accept.ContentNegotiationManager org.springframework.http.MediaType java.util.Set top java.util.Iterator
      StackMap stack:
         2: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.springframework.web.accept.MediaTypeFileExtensionResolver
            astore 3 /* resolver */
        start local 3 // org.springframework.web.accept.MediaTypeFileExtensionResolver resolver
         3: .line 137
            aload 2 /* result */
            aload 3 /* resolver */
            aload 1 /* mediaType */
            invokeinterface org.springframework.web.accept.MediaTypeFileExtensionResolver.resolveFileExtensions:(Lorg/springframework/http/MediaType;)Ljava/util/List;
            invokeinterface java.util.Set.addAll:(Ljava/util/Collection;)Z
            pop
        end local 3 // org.springframework.web.accept.MediaTypeFileExtensionResolver resolver
         4: .line 136
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 139
            new java.util.ArrayList
            dup
            aload 2 /* result */
            invokespecial java.util.ArrayList.<init>:(Ljava/util/Collection;)V
            areturn
        end local 2 // java.util.Set result
        end local 1 // org.springframework.http.MediaType mediaType
        end local 0 // org.springframework.web.accept.ContentNegotiationManager this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    6     0       this  Lorg/springframework/web/accept/ContentNegotiationManager;
            0    6     1  mediaType  Lorg/springframework/http/MediaType;
            1    6     2     result  Ljava/util/Set<Ljava/lang/String;>;
            3    4     3   resolver  Lorg/springframework/web/accept/MediaTypeFileExtensionResolver;
    Signature: (Lorg/springframework/http/MediaType;)Ljava/util/List<Ljava/lang/String;>;
    MethodParameters:
           Name  Flags
      mediaType  

  public java.util.List<java.lang.String> getAllFileExtensions();
    descriptor: ()Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=1
        start local 0 // org.springframework.web.accept.ContentNegotiationManager this
         0: .line 155
            new java.util.LinkedHashSet
            dup
            invokespecial java.util.LinkedHashSet.<init>:()V
            astore 1 /* result */
        start local 1 // java.util.Set result
         1: .line 156
            aload 0 /* this */
            getfield org.springframework.web.accept.ContentNegotiationManager.resolvers:Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 3
            goto 4
      StackMap locals: org.springframework.web.accept.ContentNegotiationManager java.util.Set top java.util.Iterator
      StackMap stack:
         2: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.springframework.web.accept.MediaTypeFileExtensionResolver
            astore 2 /* resolver */
        start local 2 // org.springframework.web.accept.MediaTypeFileExtensionResolver resolver
         3: .line 157
            aload 1 /* result */
            aload 2 /* resolver */
            invokeinterface org.springframework.web.accept.MediaTypeFileExtensionResolver.getAllFileExtensions:()Ljava/util/List;
            invokeinterface java.util.Set.addAll:(Ljava/util/Collection;)Z
            pop
        end local 2 // org.springframework.web.accept.MediaTypeFileExtensionResolver resolver
         4: .line 156
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         5: .line 159
            new java.util.ArrayList
            dup
            aload 1 /* result */
            invokespecial java.util.ArrayList.<init>:(Ljava/util/Collection;)V
            areturn
        end local 1 // java.util.Set result
        end local 0 // org.springframework.web.accept.ContentNegotiationManager this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Lorg/springframework/web/accept/ContentNegotiationManager;
            1    6     1    result  Ljava/util/Set<Ljava/lang/String;>;
            3    4     2  resolver  Lorg/springframework/web/accept/MediaTypeFileExtensionResolver;
    Signature: ()Ljava/util/List<Ljava/lang/String;>;
}
SourceFile: "ContentNegotiationManager.java"