http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
public class org.bouncycastle.cert.path.validations.BasicConstraintsValidation implements org.bouncycastle.cert.path.CertPathValidation
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.cert.path.validations.BasicConstraintsValidation
  super_class: java.lang.Object
{
  private boolean isMandatory;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.x509.BasicConstraints bc;
    descriptor: Lorg/bouncycastle/asn1/x509/BasicConstraints;
    flags: (0x0002) ACC_PRIVATE

  private int pathLengthRemaining;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private java.math.BigInteger maxPathLength;
    descriptor: Ljava/math/BigInteger;
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation this
         0: .line 23
            aload 0 /* this */
            iconst_1
            invokespecial org.bouncycastle.cert.path.validations.BasicConstraintsValidation.<init>:(Z)V
         1: .line 24
            return
        end local 0 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/cert/path/validations/BasicConstraintsValidation;

  public void <init>(boolean);
    descriptor: (Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation this
        start local 1 // boolean isMandatory
         0: .line 26
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 28
            aload 0 /* this */
            iload 1 /* isMandatory */
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.isMandatory:Z
         2: .line 29
            return
        end local 1 // boolean isMandatory
        end local 0 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    3     0         this  Lorg/bouncycastle/cert/path/validations/BasicConstraintsValidation;
            0    3     1  isMandatory  Z
    MethodParameters:
             Name  Flags
      isMandatory  

  public void validate(org.bouncycastle.cert.path.CertPathValidationContext, org.bouncycastle.cert.X509CertificateHolder);
    descriptor: (Lorg/bouncycastle/cert/path/CertPathValidationContext;Lorg/bouncycastle/cert/X509CertificateHolder;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=6, args_size=3
        start local 0 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation this
        start local 1 // org.bouncycastle.cert.path.CertPathValidationContext context
        start local 2 // org.bouncycastle.cert.X509CertificateHolder certificate
         0: .line 34
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.maxPathLength:Ljava/math/BigInteger;
            ifnull 2
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.pathLengthRemaining:I
            ifge 2
         1: .line 36
            new org.bouncycastle.cert.path.CertPathValidationException
            dup
            ldc "BasicConstraints path length exceeded"
            invokespecial org.bouncycastle.cert.path.CertPathValidationException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 39
      StackMap locals:
      StackMap stack:
            aload 1 /* context */
            getstatic org.bouncycastle.asn1.x509.Extension.basicConstraints:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.cert.path.CertPathValidationContext.addHandledExtension:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)V
         3: .line 41
            aload 2 /* certificate */
            invokevirtual org.bouncycastle.cert.X509CertificateHolder.getExtensions:()Lorg/bouncycastle/asn1/x509/Extensions;
            invokestatic org.bouncycastle.asn1.x509.BasicConstraints.fromExtensions:(Lorg/bouncycastle/asn1/x509/Extensions;)Lorg/bouncycastle/asn1/x509/BasicConstraints;
            astore 3 /* certBC */
        start local 3 // org.bouncycastle.asn1.x509.BasicConstraints certBC
         4: .line 43
            aload 3 /* certBC */
            ifnull 20
         5: .line 45
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.bc:Lorg/bouncycastle/asn1/x509/BasicConstraints;
            ifnull 14
         6: .line 47
            aload 3 /* certBC */
            invokevirtual org.bouncycastle.asn1.x509.BasicConstraints.isCA:()Z
            ifeq 22
         7: .line 49
            aload 3 /* certBC */
            invokevirtual org.bouncycastle.asn1.x509.BasicConstraints.getPathLenConstraint:()Ljava/math/BigInteger;
            astore 4 /* pathLengthConstraint */
        start local 4 // java.math.BigInteger pathLengthConstraint
         8: .line 51
            aload 4 /* pathLengthConstraint */
            ifnull 22
         9: .line 53
            aload 4 /* pathLengthConstraint */
            invokevirtual java.math.BigInteger.intValue:()I
            istore 5 /* plc */
        start local 5 // int plc
        10: .line 55
            iload 5 /* plc */
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.pathLengthRemaining:I
            if_icmpge 22
        11: .line 57
            aload 0 /* this */
            iload 5 /* plc */
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.pathLengthRemaining:I
        12: .line 58
            aload 0 /* this */
            aload 3 /* certBC */
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.bc:Lorg/bouncycastle/asn1/x509/BasicConstraints;
        end local 5 // int plc
        end local 4 // java.math.BigInteger pathLengthConstraint
        13: .line 62
            goto 22
        14: .line 65
      StackMap locals: org.bouncycastle.asn1.x509.BasicConstraints
      StackMap stack:
            aload 0 /* this */
            aload 3 /* certBC */
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.bc:Lorg/bouncycastle/asn1/x509/BasicConstraints;
        15: .line 66
            aload 3 /* certBC */
            invokevirtual org.bouncycastle.asn1.x509.BasicConstraints.isCA:()Z
            ifeq 22
        16: .line 68
            aload 0 /* this */
            aload 3 /* certBC */
            invokevirtual org.bouncycastle.asn1.x509.BasicConstraints.getPathLenConstraint:()Ljava/math/BigInteger;
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.maxPathLength:Ljava/math/BigInteger;
        17: .line 70
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.maxPathLength:Ljava/math/BigInteger;
            ifnull 22
        18: .line 72
            aload 0 /* this */
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.maxPathLength:Ljava/math/BigInteger;
            invokevirtual java.math.BigInteger.intValue:()I
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.pathLengthRemaining:I
        19: .line 76
            goto 22
        20: .line 79
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.bc:Lorg/bouncycastle/asn1/x509/BasicConstraints;
            ifnull 22
        21: .line 81
            aload 0 /* this */
            dup
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.pathLengthRemaining:I
            iconst_1
            isub
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.pathLengthRemaining:I
        22: .line 85
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.isMandatory:Z
            ifeq 24
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.bc:Lorg/bouncycastle/asn1/x509/BasicConstraints;
            ifnonnull 24
        23: .line 87
            new org.bouncycastle.cert.path.CertPathValidationException
            dup
            ldc "BasicConstraints not present in path"
            invokespecial org.bouncycastle.cert.path.CertPathValidationException.<init>:(Ljava/lang/String;)V
            athrow
        24: .line 89
      StackMap locals:
      StackMap stack:
            return
        end local 3 // org.bouncycastle.asn1.x509.BasicConstraints certBC
        end local 2 // org.bouncycastle.cert.X509CertificateHolder certificate
        end local 1 // org.bouncycastle.cert.path.CertPathValidationContext context
        end local 0 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0   25     0                  this  Lorg/bouncycastle/cert/path/validations/BasicConstraintsValidation;
            0   25     1               context  Lorg/bouncycastle/cert/path/CertPathValidationContext;
            0   25     2           certificate  Lorg/bouncycastle/cert/X509CertificateHolder;
            4   25     3                certBC  Lorg/bouncycastle/asn1/x509/BasicConstraints;
            8   13     4  pathLengthConstraint  Ljava/math/BigInteger;
           10   13     5                   plc  I
    Exceptions:
      throws org.bouncycastle.cert.path.CertPathValidationException
    MethodParameters:
             Name  Flags
      context      
      certificate  

  public org.bouncycastle.util.Memoable copy();
    descriptor: ()Lorg/bouncycastle/util/Memoable;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation this
         0: .line 93
            new org.bouncycastle.cert.path.validations.BasicConstraintsValidation
            dup
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.isMandatory:Z
            invokespecial org.bouncycastle.cert.path.validations.BasicConstraintsValidation.<init>:(Z)V
            astore 1 /* v */
        start local 1 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation v
         1: .line 95
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.bc:Lorg/bouncycastle/asn1/x509/BasicConstraints;
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.bc:Lorg/bouncycastle/asn1/x509/BasicConstraints;
         2: .line 96
            aload 1 /* v */
            aload 0 /* this */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.pathLengthRemaining:I
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.pathLengthRemaining:I
         3: .line 98
            aload 1 /* v */
            areturn
        end local 1 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation v
        end local 0 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/bouncycastle/cert/path/validations/BasicConstraintsValidation;
            1    4     1     v  Lorg/bouncycastle/cert/path/validations/BasicConstraintsValidation;

  public void reset(org.bouncycastle.util.Memoable);
    descriptor: (Lorg/bouncycastle/util/Memoable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation this
        start local 1 // org.bouncycastle.util.Memoable other
         0: .line 103
            aload 1 /* other */
            checkcast org.bouncycastle.cert.path.validations.BasicConstraintsValidation
            astore 2 /* v */
        start local 2 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation v
         1: .line 105
            aload 0 /* this */
            aload 2 /* v */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.isMandatory:Z
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.isMandatory:Z
         2: .line 106
            aload 0 /* this */
            aload 2 /* v */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.bc:Lorg/bouncycastle/asn1/x509/BasicConstraints;
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.bc:Lorg/bouncycastle/asn1/x509/BasicConstraints;
         3: .line 107
            aload 0 /* this */
            aload 2 /* v */
            getfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.pathLengthRemaining:I
            putfield org.bouncycastle.cert.path.validations.BasicConstraintsValidation.pathLengthRemaining:I
         4: .line 108
            return
        end local 2 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation v
        end local 1 // org.bouncycastle.util.Memoable other
        end local 0 // org.bouncycastle.cert.path.validations.BasicConstraintsValidation this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    5     0   this  Lorg/bouncycastle/cert/path/validations/BasicConstraintsValidation;
            0    5     1  other  Lorg/bouncycastle/util/Memoable;
            1    5     2      v  Lorg/bouncycastle/cert/path/validations/BasicConstraintsValidation;
    MethodParameters:
       Name  Flags
      other  
}
SourceFile: "BasicConstraintsValidation.java"