public String constantToString()

in src/main/java/org/apache/bcel/classfile/ConstantPool.java [123:196]
74 lines of code
18 McCabe index (conditional complexity)

    public String constantToString(Constant c) throws IllegalArgumentException {
        final String str;
        final int i;
        final byte tag = c.getTag();
        switch (tag) {
        case Const.CONSTANT_Class:
            i = ((ConstantClass) c).getNameIndex();
            c = getConstantUtf8(i);
            str = Utility.compactClassName(((ConstantUtf8) c).getBytes(), false);
            break;
        case Const.CONSTANT_String:
            i = ((ConstantString) c).getStringIndex();
            c = getConstantUtf8(i);
            str = "\"" + escape(((ConstantUtf8) c).getBytes()) + "\"";
            break;
        case Const.CONSTANT_Utf8:
            str = ((ConstantUtf8) c).getBytes();
            break;
        case Const.CONSTANT_Double:
            str = String.valueOf(((ConstantDouble) c).getBytes());
            break;
        case Const.CONSTANT_Float:
            str = String.valueOf(((ConstantFloat) c).getBytes());
            break;
        case Const.CONSTANT_Long:
            str = String.valueOf(((ConstantLong) c).getBytes());
            break;
        case Const.CONSTANT_Integer:
            str = String.valueOf(((ConstantInteger) c).getBytes());
            break;
        case Const.CONSTANT_NameAndType:
            str = constantToString(((ConstantNameAndType) c).getNameIndex(), Const.CONSTANT_Utf8) + " "
                    + constantToString(((ConstantNameAndType) c).getSignatureIndex(), Const.CONSTANT_Utf8);
            break;
        case Const.CONSTANT_InterfaceMethodref:
        case Const.CONSTANT_Methodref:
        case Const.CONSTANT_Fieldref:
            str = constantToString(((ConstantCP) c).getClassIndex(), Const.CONSTANT_Class) + "."
                    + constantToString(((ConstantCP) c).getNameAndTypeIndex(), Const.CONSTANT_NameAndType);
            break;
        case Const.CONSTANT_MethodHandle:
            // Note that the ReferenceIndex may point to a Fieldref, Methodref or
            // InterfaceMethodref - so we need to peek ahead to get the actual type.
            final ConstantMethodHandle cmh = (ConstantMethodHandle) c;
            str = Const.getMethodHandleName(cmh.getReferenceKind()) + " "
                    + constantToString(cmh.getReferenceIndex(), getConstant(cmh.getReferenceIndex()).getTag());
            break;
        case Const.CONSTANT_MethodType:
            final ConstantMethodType cmt = (ConstantMethodType) c;
            str = constantToString(cmt.getDescriptorIndex(), Const.CONSTANT_Utf8);
            break;
        case Const.CONSTANT_InvokeDynamic:
            final ConstantInvokeDynamic cid = (ConstantInvokeDynamic) c;
            str = cid.getBootstrapMethodAttrIndex() + ":" + constantToString(cid.getNameAndTypeIndex(), Const.CONSTANT_NameAndType);
            break;
        case Const.CONSTANT_Dynamic:
            final ConstantDynamic cd = (ConstantDynamic) c;
            str = cd.getBootstrapMethodAttrIndex() + ":" + constantToString(cd.getNameAndTypeIndex(), Const.CONSTANT_NameAndType);
            break;
        case Const.CONSTANT_Module:
            i = ((ConstantModule) c).getNameIndex();
            c = getConstantUtf8(i);
            str = Utility.compactClassName(((ConstantUtf8) c).getBytes(), false);
            break;
        case Const.CONSTANT_Package:
            i = ((ConstantPackage) c).getNameIndex();
            c = getConstantUtf8(i);
            str = Utility.compactClassName(((ConstantUtf8) c).getBytes(), false);
            break;
        default: // Never reached
            throw new IllegalArgumentException("Unknown constant type " + tag);
        }
        return str;
    }