Package edu.umd.cs.findbugs.util

Class BootstrapMethodsUtil

  • public class BootstrapMethodsUtil
extends java.lang.Object
    Utility methods for working with bootstrap methods

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static java.lang.String LAMBDA_METHOD_PREFIX  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      private static org.apache.bcel.classfile.BootstrapMethod findBootstrapMethod​(org.apache.bcel.classfile.JavaClass cls, int index)  
      private static java.util.List<MethodAnnotation> getDirectlyReferencedLambdas​(org.apache.bcel.classfile.JavaClass cls, org.apache.bcel.classfile.Method method)  
      static java.util.List<MethodDescriptor> getInvokedMethodTargets​(org.apache.bcel.classfile.JavaClass cls, int bootstrapIndex, org.apache.bcel.classfile.ConstantPool cp)
      Returns the methods invoked by handle arguments of a bootstrap method from a Java class.
      static java.util.Set<MethodAnnotation> getLambdasOwnedBy​(org.apache.bcel.classfile.JavaClass cls, org.apache.bcel.classfile.Method method)
      Returns the lambda methods belonging to the given method (including nested ones).
      static java.util.Optional<org.apache.bcel.classfile.Method> getMethodFromBootstrap​(org.apache.bcel.classfile.BootstrapMethods bms, int index, org.apache.bcel.classfile.ConstantPool cp, org.apache.bcel.classfile.JavaClass cls)
      Returns the method representation of a bootstrap method from a Java class.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • LAMBDA_METHOD_PREFIX

        private static final java.lang.String LAMBDA_METHOD_PREFIX
        See Also:
        Constant Field Values

    • Constructor Detail

      • BootstrapMethodsUtil

        public BootstrapMethodsUtil()

    • Method Detail

      • getInvokedMethodTargets

        public static java.util.List<MethodDescriptor> getInvokedMethodTargets​(org.apache.bcel.classfile.JavaClass cls,
                                                                       int bootstrapIndex,
                                                                       org.apache.bcel.classfile.ConstantPool cp)
        Returns the methods invoked by handle arguments of a bootstrap method from a Java class.
        Parameters:
        cls - the java class whose bootstrap method attribute is consulted
        bootstrapIndex - the index of the bootstrap method
        cp - the constant pool of the java class
        Returns:
        the invoked methods if found, an empty list otherwise

      • findBootstrapMethod

        private static org.apache.bcel.classfile.BootstrapMethod findBootstrapMethod​(org.apache.bcel.classfile.JavaClass cls,
                                                                             int index)

      • getMethodFromBootstrap

        public static java.util.Optional<org.apache.bcel.classfile.Method> getMethodFromBootstrap​(org.apache.bcel.classfile.BootstrapMethods bms,
                                                                                          int index,
                                                                                          org.apache.bcel.classfile.ConstantPool cp,
                                                                                          org.apache.bcel.classfile.JavaClass cls)
        Returns the method representation of a bootstrap method from a Java class.
        Parameters:
        bms - the BootstrapMethods attribute of a java class
        index - the index of the bootstrap method
        cp - the constant pool of the java class
        cls - the java class itself
        Returns:
        the bootstrap method represented as Method if found, Optional.empty() otherwise

      • getLambdasOwnedBy

        public static java.util.Set<MethodAnnotation> getLambdasOwnedBy​(org.apache.bcel.classfile.JavaClass cls,
                                                                org.apache.bcel.classfile.Method method)
        Returns the lambda methods belonging to the given method (including nested ones).
        Parameters:
        cls - the java class containing the method
        method - the method whose lambdas to find
        Returns:
        the lambda methods if found, an empty set otherwise

      • getDirectlyReferencedLambdas

        private static java.util.List<MethodAnnotation> getDirectlyReferencedLambdas​(org.apache.bcel.classfile.JavaClass cls,
                                                                             org.apache.bcel.classfile.Method method)