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#!/usr/bin/env python2
#
# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from string import Template
from jvpp_model import is_array
def generate_fields(fields, access_modifier="public"):
return "\n".join(_FIELD_TEMPLATE
.substitute(access_modifier=access_modifier, type=f.type.java_name_fqn, name=f.java_name)
for f in fields)
_FIELD_TEMPLATE = Template(""" ${access_modifier} ${type} ${name};""")
def generate_hash_code(fields):
if len(fields) == 1 and is_array(fields[0]):
return _HASH_CODE_SINGLE_ARRAY_TEMPLATE.substitute(array_field=fields[0].java_name)
return _HASH_CODE_TEMPLATE.substitute(fields=", ".join(f.java_name for f in fields))
_HASH_CODE_TEMPLATE = Template("""
@Override
@io.fd.vpp.jvpp.coverity.SuppressFBWarnings("UWF_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD")
public int hashCode() {
return java.util.Objects.hash($fields);
}""")
_HASH_CODE_SINGLE_ARRAY_TEMPLATE = Template("""
@Override
@io.fd.vpp.jvpp.coverity.SuppressFBWarnings("UWF_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD")
public int hashCode() {
return java.util.Arrays.hashCode($array_field);
}""")
def generate_equals(class_name, fields):
comparisons = []
for f in fields:
if is_array(f):
comparisons.append(_EQUALS_ARRAY_FIELD_TEMPLATE.substitute(field_name=f.java_name))
else:
comparisons.append(_EQUALS_FIELD_TEMPLATE.substitute(field_name=f.java_name))
if comparisons:
comparisons.insert(0, _EQUALS_OTHER_TEMPLATE.substitute(cls_name=class_name))
return _EQUALS_TEMPLATE.substitute(comparisons="\n".join(comparisons))
_EQUALS_TEMPLATE = Template("""
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
$comparisons
return true;
}""")
_EQUALS_OTHER_TEMPLATE = Template("""
final $cls_name other = ($cls_name) o;
""")
_EQUALS_FIELD_TEMPLATE = Template(""" if (!java.util.Objects.equals(this.$field_name, other.$field_name)) {
return false;
}""")
_EQUALS_ARRAY_FIELD_TEMPLATE = Template(""" if (!java.util.Arrays.equals(this.$field_name, other.$field_name)) {
return false;
}""")
def generate_to_string(class_name, fields):
to_string = []
for f in fields:
if is_array(f):
to_string.append(_TO_STRING_ARRAY_FIELD_TEMPLATE.substitute(field_name=f.java_name))
else:
to_string.append(_TO_STRING_FIELD_TEMPLATE.substitute(field_name=f.java_name))
to_string_fields = " \"}\";"
if to_string:
to_string_fields = " + \", \" +\n".join(to_string) + " + \"}\";"
return _TO_STRING_TEMPLATE.substitute(
class_name=class_name,
to_string_fields=to_string_fields
)
_TO_STRING_TEMPLATE = Template("""
@Override
public java.lang.String toString() {
return "$class_name{" +
$to_string_fields
}""")
_TO_STRING_FIELD_TEMPLATE = Template(""" \"$field_name=\" + $field_name""")
_TO_STRING_ARRAY_FIELD_TEMPLATE = Template(
""" \"$field_name=\" + java.util.Arrays.toString($field_name)""")
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