com.amazonaws.services.dynamodbv2.xspec.NamedElement Maven / Gradle / Ivy
/*
* Copyright 2015-2016 Amazon Technologies, Inc.
*
* 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://aws.amazon.com/apache2.0
*
* This file 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.
*/
package com.amazonaws.services.dynamodbv2.xspec;
import org.apache.http.annotation.Immutable;
@Immutable
final class NamedElement extends PathElement {
private final String name;
NamedElement(String name) {
if (name == null) {
throw new NullPointerException("element");
}
if (name.trim().isEmpty()) {
throw new IllegalArgumentException("element cannot be empty");
}
this.name = name;
}
@Override
public String toString() {
return name;
}
@Override
public int hashCode() {
return name.hashCode();
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof NamedElement)) {
return false;
}
return name.equals(((NamedElement) obj).name);
}
@Override
String asNestedPath() {
return "." + name;
}
@Override
String asToken(SubstitutionContext context) {
return context.nameTokenFor(name);
}
@Override
String asNestedToken(SubstitutionContext context) {
return "." + context.nameTokenFor(name);
}
}