http://www.dropwizard.io/1.3.16/dropwizard-servlets: Dropwizard is a Java framework for developing ops-friendly, high-performance, RESTful web applications.
  • Coda Hale
  • Nick Telford
  • Graham O'Regan
  • Ryan Kennedy
  • Camille Fournier
  • Carlo Barbara
  • Matt Veitas
  • Ryan Tenney
  • Jochen Schalanda
  • Glenn McAllister
  • Nick Babcock
  • Justin Plock
  • Artem Prigoda 
public class io.dropwizard.servlets.SlowRequestFilter implements javax.servlet.Filter
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.dropwizard.servlets.SlowRequestFilter
  super_class: java.lang.Object
{
  private final long threshold;
    descriptor: J
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private java.util.function.Supplier<java.lang.Long> currentTimeProvider;
    descriptor: Ljava/util/function/Supplier;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/function/Supplier<Ljava/lang/Long;>;

  private org.slf4j.Logger logger;
    descriptor: Lorg/slf4j/Logger;
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.dropwizard.servlets.SlowRequestFilter this
         0: .line 36
            aload 0 /* this */
            lconst_1
            invokestatic io.dropwizard.util.Duration.seconds:(J)Lio/dropwizard/util/Duration;
            invokespecial io.dropwizard.servlets.SlowRequestFilter.<init>:(Lio/dropwizard/util/Duration;)V
         1: .line 37
            return
        end local 0 // io.dropwizard.servlets.SlowRequestFilter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lio/dropwizard/servlets/SlowRequestFilter;

  public void <init>(io.dropwizard.util.Duration);
    descriptor: (Lio/dropwizard/util/Duration;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // io.dropwizard.servlets.SlowRequestFilter this
        start local 1 // io.dropwizard.util.Duration threshold
         0: .line 44
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 29
            aload 0 /* this */
            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;
                  java/lang/System.nanoTime()J (6)
                  ()Ljava/lang/Long;
            putfield io.dropwizard.servlets.SlowRequestFilter.currentTimeProvider:Ljava/util/function/Supplier;
         2: .line 30
            aload 0 /* this */
            ldc Lio/dropwizard/servlets/SlowRequestFilter;
            invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
            putfield io.dropwizard.servlets.SlowRequestFilter.logger:Lorg/slf4j/Logger;
         3: .line 45
            aload 0 /* this */
            aload 1 /* threshold */
            invokevirtual io.dropwizard.util.Duration.toNanoseconds:()J
            putfield io.dropwizard.servlets.SlowRequestFilter.threshold:J
         4: .line 46
            return
        end local 1 // io.dropwizard.util.Duration threshold
        end local 0 // io.dropwizard.servlets.SlowRequestFilter this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    5     0       this  Lio/dropwizard/servlets/SlowRequestFilter;
            0    5     1  threshold  Lio/dropwizard/util/Duration;
    MethodParameters:
           Name  Flags
      threshold  

  void setCurrentTimeProvider(java.util.function.Supplier<java.lang.Long>);
    descriptor: (Ljava/util/function/Supplier;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.dropwizard.servlets.SlowRequestFilter this
        start local 1 // java.util.function.Supplier currentTimeProvider
         0: .line 50
            aload 0 /* this */
            aload 1 /* currentTimeProvider */
            putfield io.dropwizard.servlets.SlowRequestFilter.currentTimeProvider:Ljava/util/function/Supplier;
         1: .line 51
            return
        end local 1 // java.util.function.Supplier currentTimeProvider
        end local 0 // io.dropwizard.servlets.SlowRequestFilter this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0    2     0                 this  Lio/dropwizard/servlets/SlowRequestFilter;
            0    2     1  currentTimeProvider  Ljava/util/function/Supplier<Ljava/lang/Long;>;
    Signature: (Ljava/util/function/Supplier<Ljava/lang/Long;>;)V
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.VisibleForTesting()
    MethodParameters:
                     Name  Flags
      currentTimeProvider  

  void setLogger(org.slf4j.Logger);
    descriptor: (Lorg/slf4j/Logger;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.dropwizard.servlets.SlowRequestFilter this
        start local 1 // org.slf4j.Logger logger
         0: .line 55
            aload 0 /* this */
            aload 1 /* logger */
            putfield io.dropwizard.servlets.SlowRequestFilter.logger:Lorg/slf4j/Logger;
         1: .line 56
            return
        end local 1 // org.slf4j.Logger logger
        end local 0 // io.dropwizard.servlets.SlowRequestFilter this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lio/dropwizard/servlets/SlowRequestFilter;
            0    2     1  logger  Lorg/slf4j/Logger;
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.VisibleForTesting()
    MethodParameters:
        Name  Flags
      logger  

  public void init(javax.servlet.FilterConfig);
    descriptor: (Ljavax/servlet/FilterConfig;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=2, args_size=2
        start local 0 // io.dropwizard.servlets.SlowRequestFilter this
        start local 1 // javax.servlet.FilterConfig filterConfig
         0: .line 59
            return
        end local 1 // javax.servlet.FilterConfig filterConfig
        end local 0 // io.dropwizard.servlets.SlowRequestFilter this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    1     0          this  Lio/dropwizard/servlets/SlowRequestFilter;
            0    1     1  filterConfig  Ljavax/servlet/FilterConfig;
    Exceptions:
      throws javax.servlet.ServletException
    MethodParameters:
              Name  Flags
      filterConfig  

  public void destroy();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // io.dropwizard.servlets.SlowRequestFilter this
         0: .line 62
            return
        end local 0 // io.dropwizard.servlets.SlowRequestFilter this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/dropwizard/servlets/SlowRequestFilter;

  public void doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain);
    descriptor: (Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=12, args_size=4
        start local 0 // io.dropwizard.servlets.SlowRequestFilter this
        start local 1 // javax.servlet.ServletRequest request
        start local 2 // javax.servlet.ServletResponse response
        start local 3 // javax.servlet.FilterChain chain
         0: .line 68
            aload 1 /* request */
            checkcast javax.servlet.http.HttpServletRequest
            astore 4 /* req */
        start local 4 // javax.servlet.http.HttpServletRequest req
         1: .line 69
            aload 0 /* this */
            getfield io.dropwizard.servlets.SlowRequestFilter.currentTimeProvider:Ljava/util/function/Supplier;
            invokeinterface java.util.function.Supplier.get:()Ljava/lang/Object;
            checkcast java.lang.Long
            invokevirtual java.lang.Long.longValue:()J
            lstore 5 /* startTime */
        start local 5 // long startTime
         2: .line 71
            aload 3 /* chain */
            aload 1 /* request */
            aload 2 /* response */
            invokeinterface javax.servlet.FilterChain.doFilter:(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V
         3: .line 72
            goto 13
      StackMap locals: io.dropwizard.servlets.SlowRequestFilter javax.servlet.ServletRequest javax.servlet.ServletResponse javax.servlet.FilterChain javax.servlet.http.HttpServletRequest long
      StackMap stack: java.lang.Throwable
         4: astore 7
         5: .line 73
            aload 0 /* this */
            getfield io.dropwizard.servlets.SlowRequestFilter.currentTimeProvider:Ljava/util/function/Supplier;
            invokeinterface java.util.function.Supplier.get:()Ljava/lang/Object;
            checkcast java.lang.Long
            invokevirtual java.lang.Long.longValue:()J
            lload 5 /* startTime */
            lsub
            lstore 8 /* elapsedNS */
        start local 8 // long elapsedNS
         6: .line 74
            getstatic java.util.concurrent.TimeUnit.NANOSECONDS:Ljava/util/concurrent/TimeUnit;
            lload 8 /* elapsedNS */
            invokevirtual java.util.concurrent.TimeUnit.toMillis:(J)J
            lstore 10 /* elapsedMS */
        start local 10 // long elapsedMS
         7: .line 75
            lload 8 /* elapsedNS */
            aload 0 /* this */
            getfield io.dropwizard.servlets.SlowRequestFilter.threshold:J
            lcmp
            iflt 12
         8: .line 76
            aload 0 /* this */
            getfield io.dropwizard.servlets.SlowRequestFilter.logger:Lorg/slf4j/Logger;
            ldc "Slow request: {} {} ({}ms)"
            iconst_3
            anewarray java.lang.Object
            dup
            iconst_0
         9: .line 77
            aload 4 /* req */
            invokeinterface javax.servlet.http.HttpServletRequest.getMethod:()Ljava/lang/String;
            aastore
            dup
            iconst_1
        10: .line 78
            aload 4 /* req */
            invokestatic io.dropwizard.servlets.Servlets.getFullUrl:(Ljavax/servlet/http/HttpServletRequest;)Ljava/lang/String;
            aastore
            dup
            iconst_2
            lload 10 /* elapsedMS */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aastore
        11: .line 76
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;[Ljava/lang/Object;)V
        end local 10 // long elapsedMS
        end local 8 // long elapsedNS
        12: .line 80
      StackMap locals: java.lang.Throwable
      StackMap stack:
            aload 7
            athrow
        13: .line 73
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.dropwizard.servlets.SlowRequestFilter.currentTimeProvider:Ljava/util/function/Supplier;
            invokeinterface java.util.function.Supplier.get:()Ljava/lang/Object;
            checkcast java.lang.Long
            invokevirtual java.lang.Long.longValue:()J
            lload 5 /* startTime */
            lsub
            lstore 8 /* elapsedNS */
        start local 8 // long elapsedNS
        14: .line 74
            getstatic java.util.concurrent.TimeUnit.NANOSECONDS:Ljava/util/concurrent/TimeUnit;
            lload 8 /* elapsedNS */
            invokevirtual java.util.concurrent.TimeUnit.toMillis:(J)J
            lstore 10 /* elapsedMS */
        start local 10 // long elapsedMS
        15: .line 75
            lload 8 /* elapsedNS */
            aload 0 /* this */
            getfield io.dropwizard.servlets.SlowRequestFilter.threshold:J
            lcmp
            iflt 20
        16: .line 76
            aload 0 /* this */
            getfield io.dropwizard.servlets.SlowRequestFilter.logger:Lorg/slf4j/Logger;
            ldc "Slow request: {} {} ({}ms)"
            iconst_3
            anewarray java.lang.Object
            dup
            iconst_0
        17: .line 77
            aload 4 /* req */
            invokeinterface javax.servlet.http.HttpServletRequest.getMethod:()Ljava/lang/String;
            aastore
            dup
            iconst_1
        18: .line 78
            aload 4 /* req */
            invokestatic io.dropwizard.servlets.Servlets.getFullUrl:(Ljavax/servlet/http/HttpServletRequest;)Ljava/lang/String;
            aastore
            dup
            iconst_2
            lload 10 /* elapsedMS */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aastore
        19: .line 76
            invokeinterface org.slf4j.Logger.warn:(Ljava/lang/String;[Ljava/lang/Object;)V
        end local 10 // long elapsedMS
        end local 8 // long elapsedNS
        20: .line 81
      StackMap locals:
      StackMap stack:
            return
        end local 5 // long startTime
        end local 4 // javax.servlet.http.HttpServletRequest req
        end local 3 // javax.servlet.FilterChain chain
        end local 2 // javax.servlet.ServletResponse response
        end local 1 // javax.servlet.ServletRequest request
        end local 0 // io.dropwizard.servlets.SlowRequestFilter this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   21     0       this  Lio/dropwizard/servlets/SlowRequestFilter;
            0   21     1    request  Ljavax/servlet/ServletRequest;
            0   21     2   response  Ljavax/servlet/ServletResponse;
            0   21     3      chain  Ljavax/servlet/FilterChain;
            1   21     4        req  Ljavax/servlet/http/HttpServletRequest;
            2   21     5  startTime  J
            6   12     8  elapsedNS  J
           14   20     8  elapsedNS  J
            7   12    10  elapsedMS  J
           15   20    10  elapsedMS  J
      Exception table:
        from    to  target  type
           2     4       4  any
    Exceptions:
      throws java.io.IOException, javax.servlet.ServletException
    MethodParameters:
          Name  Flags
      request   
      response  
      chain     
}
SourceFile: "SlowRequestFilter.java"
InnerClasses:
  public final Lookup = java.lang.invoke.MethodHandles$Lookup of java.lang.invoke.MethodHandles