org.slf4j/slf4j-api/1.7.26 : org/slf4j/helpers/Util.class

Util
http://www.slf4j.org: The slf4j API (QOS.ch)
MIT License
Ceki Gulcu
public final class org.slf4j.helpers.Util
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.slf4j.helpers.Util
  super_class: java.lang.Object
{
  private static org.slf4j.helpers.Util$ClassContextSecurityManager SECURITY_MANAGER;
    descriptor: Lorg/slf4j/helpers/Util$ClassContextSecurityManager;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private static boolean SECURITY_MANAGER_CREATION_ALREADY_ATTEMPTED;
    descriptor: Z
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 72
            iconst_0
            putstatic org.slf4j.helpers.Util.SECURITY_MANAGER_CREATION_ALREADY_ATTEMPTED:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.slf4j.helpers.Util this
         0: .line 36
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 37
            return
        end local 0 // org.slf4j.helpers.Util this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/slf4j/helpers/Util;

  public static java.lang.String safeGetSystemProperty(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.lang.String key
         0: .line 40
            aload 0 /* key */
            ifnonnull 2
         1: .line 41
            new java.lang.IllegalArgumentException
            dup
            ldc "null input"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 43
      StackMap locals:
      StackMap stack:
            aconst_null
            astore 1 /* result */
        start local 1 // java.lang.String result
         3: .line 45
            aload 0 /* key */
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 1 /* result */
         4: .line 46
            goto 6
      StackMap locals: java.lang.String java.lang.String
      StackMap stack: java.lang.SecurityException
         5: pop
         6: .line 49
      StackMap locals:
      StackMap stack:
            aload 1 /* result */
            areturn
        end local 1 // java.lang.String result
        end local 0 // java.lang.String key
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    7     0     key  Ljava/lang/String;
            3    7     1  result  Ljava/lang/String;
      Exception table:
        from    to  target  type
           3     4       5  Class java.lang.SecurityException
    MethodParameters:
      Name  Flags
      key   

  public static boolean safeGetBooleanSystemProperty(java.lang.String);
    descriptor: (Ljava/lang/String;)Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // java.lang.String key
         0: .line 53
            aload 0 /* key */
            invokestatic org.slf4j.helpers.Util.safeGetSystemProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 1 /* value */
        start local 1 // java.lang.String value
         1: .line 54
            aload 1 /* value */
            ifnonnull 3
         2: .line 55
            iconst_0
            ireturn
         3: .line 57
      StackMap locals: java.lang.String
      StackMap stack:
            aload 1 /* value */
            ldc "true"
            invokevirtual java.lang.String.equalsIgnoreCase:(Ljava/lang/String;)Z
            ireturn
        end local 1 // java.lang.String value
        end local 0 // java.lang.String key
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0    key  Ljava/lang/String;
            1    4     1  value  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      key   

  private static org.slf4j.helpers.Util$ClassContextSecurityManager getSecurityManager();
    descriptor: ()Lorg/slf4j/helpers/Util$ClassContextSecurityManager;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 75
            getstatic org.slf4j.helpers.Util.SECURITY_MANAGER:Lorg/slf4j/helpers/Util$ClassContextSecurityManager;
            ifnull 2
         1: .line 76
            getstatic org.slf4j.helpers.Util.SECURITY_MANAGER:Lorg/slf4j/helpers/Util$ClassContextSecurityManager;
            areturn
         2: .line 77
      StackMap locals:
      StackMap stack:
            getstatic org.slf4j.helpers.Util.SECURITY_MANAGER_CREATION_ALREADY_ATTEMPTED:Z
            ifeq 4
         3: .line 78
            aconst_null
            areturn
         4: .line 80
      StackMap locals:
      StackMap stack:
            invokestatic org.slf4j.helpers.Util.safeCreateSecurityManager:()Lorg/slf4j/helpers/Util$ClassContextSecurityManager;
            putstatic org.slf4j.helpers.Util.SECURITY_MANAGER:Lorg/slf4j/helpers/Util$ClassContextSecurityManager;
         5: .line 81
            iconst_1
            putstatic org.slf4j.helpers.Util.SECURITY_MANAGER_CREATION_ALREADY_ATTEMPTED:Z
         6: .line 82
            getstatic org.slf4j.helpers.Util.SECURITY_MANAGER:Lorg/slf4j/helpers/Util$ClassContextSecurityManager;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private static org.slf4j.helpers.Util$ClassContextSecurityManager safeCreateSecurityManager();
    descriptor: ()Lorg/slf4j/helpers/Util$ClassContextSecurityManager;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=0, args_size=0
         0: .line 88
            new org.slf4j.helpers.Util$ClassContextSecurityManager
            dup
            invokespecial org.slf4j.helpers.Util$ClassContextSecurityManager.<init>:()V
         1: areturn
         2: .line 89
      StackMap locals:
      StackMap stack: java.lang.SecurityException
            pop
         3: .line 90
            aconst_null
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.SecurityException

  public static java.lang.Class<?> getCallingClass();
    descriptor: ()Ljava/lang/Class;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=0
         0: .line 100
            invokestatic org.slf4j.helpers.Util.getSecurityManager:()Lorg/slf4j/helpers/Util$ClassContextSecurityManager;
            astore 0 /* securityManager */
        start local 0 // org.slf4j.helpers.Util$ClassContextSecurityManager securityManager
         1: .line 101
            aload 0 /* securityManager */
            ifnonnull 3
         2: .line 102
            aconst_null
            areturn
         3: .line 103
      StackMap locals: org.slf4j.helpers.Util$ClassContextSecurityManager
      StackMap stack:
            aload 0 /* securityManager */
            invokevirtual org.slf4j.helpers.Util$ClassContextSecurityManager.getClassContext:()[Ljava/lang/Class;
            astore 1 /* trace */
        start local 1 // java.lang.Class[] trace
         4: .line 104
            ldc Lorg/slf4j/helpers/Util;
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            astore 2 /* thisClassName */
        start local 2 // java.lang.String thisClassName
         5: .line 108
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         6: goto 10
         7: .line 109
      StackMap locals: java.lang.Class[] java.lang.String int
      StackMap stack:
            aload 2 /* thisClassName */
            aload 1 /* trace */
            iload 3 /* i */
            aaload
            invokevirtual java.lang.Class.getName:()Ljava/lang/String;
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 9
         8: .line 110
            goto 11
         9: .line 108
      StackMap locals:
      StackMap stack:
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
        10: iload 3 /* i */
            aload 1 /* trace */
            arraylength
            if_icmplt 7
        11: .line 114
      StackMap locals:
      StackMap stack:
            iload 3 /* i */
            aload 1 /* trace */
            arraylength
            if_icmpge 12
            iload 3 /* i */
            iconst_2
            iadd
            aload 1 /* trace */
            arraylength
            if_icmplt 13
        12: .line 115
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalStateException
            dup
            ldc "Failed to find org.slf4j.helpers.Util or its caller in the stack; this should not happen"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        13: .line 118
      StackMap locals:
      StackMap stack:
            aload 1 /* trace */
            iload 3 /* i */
            iconst_2
            iadd
            aaload
            areturn
        end local 3 // int i
        end local 2 // java.lang.String thisClassName
        end local 1 // java.lang.Class[] trace
        end local 0 // org.slf4j.helpers.Util$ClassContextSecurityManager securityManager
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            1   14     0  securityManager  Lorg/slf4j/helpers/Util$ClassContextSecurityManager;
            4   14     1            trace  [Ljava/lang/Class;
            5   14     2    thisClassName  Ljava/lang/String;
            6   14     3                i  I
    Signature: ()Ljava/lang/Class<*>;

  public static final void report(java.lang.String, java.lang.Throwable);
    descriptor: (Ljava/lang/String;Ljava/lang/Throwable;)V
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.lang.String msg
        start local 1 // java.lang.Throwable t
         0: .line 122
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            aload 0 /* msg */
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         1: .line 123
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            ldc "Reported exception:"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         2: .line 124
            aload 1 /* t */
            invokevirtual java.lang.Throwable.printStackTrace:()V
         3: .line 125
            return
        end local 1 // java.lang.Throwable t
        end local 0 // java.lang.String msg
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0   msg  Ljava/lang/String;
            0    4     1     t  Ljava/lang/Throwable;
    MethodParameters:
      Name  Flags
      msg   
      t     

  public static final void report(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // java.lang.String msg
         0: .line 128
            getstatic java.lang.System.err:Ljava/io/PrintStream;
            new java.lang.StringBuilder
            dup
            ldc "SLF4J: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* msg */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         1: .line 129
            return
        end local 0 // java.lang.String msg
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0   msg  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      msg   
}
SourceFile: "Util.java"
NestMembers:
  org.slf4j.helpers.Util$ClassContextSecurityManager
InnerClasses:
  private final ClassContextSecurityManager = org.slf4j.helpers.Util$ClassContextSecurityManager of org.slf4j.helpers.Util
/

org.slf4j/ slf4j-api/ 1.7.26/ org/slf4j/helpers/Util.class
