com.packenius.datadivider.javaclass.attr.BootstrapMethodsAttribute Maven / Gradle / Ivy

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package com.packenius.datadivider.javaclass.attr;

import com.packenius.dumpapi.DumpReader;

/**
 * @author Christian Packenius, 2016.
 */
public class BootstrapMethodsAttribute extends AttributeDescription {
    /**
     * Array mit Zeilennummereinträgen.
     */
    public final BootstrapMethod[] bootstrapMethods;

    /**
     * Konstruktor.
     */
    public BootstrapMethodsAttribute(int length, DumpReader reader) {
        super(reader, length);

        int count = reader.readBigEndianU2("Bootstrap methods count: ##DEC##").value;

        bootstrapMethods = new BootstrapMethod[count];
        for (int i = 0; i < count; i++) {
            bootstrapMethods[i] = new BootstrapMethod(reader, i);
        }

        setEndAddress(reader);
    }

    /**
     * @see com.packenius.datadivider.javaclass.attr.AttributeDescription#getName()
     */
    @Override
    public String getName() {
        return "BootstrapMethods";
    }

    @Override
    public String toString() {
        return "Bootstrap Methods Attribute";
    }

    @Override
    public String getDescription() {
        return "The BootstrapMethods attribute is a variable-length attribute in the attributes "
                + "table of a ClassFile structure. The BootstrapMethods attribute "
                + "records bootstrap method specifiers referenced by invokedynamic instructions. "
                + "There must be exactly one BootstrapMethods attribute in the attributes table of "
                + "a ClassFile structure if the constant_pool table of the ClassFile structure has "
                + "at least one CONSTANT_InvokeDynamic_info entry. "
                + "There may be at most one BootstrapMethods attribute in the attributes table of "
                + "a ClassFile structure.";
    }
}