/*
* Copyright (C) 2010-2011 Geometer Plus <contact@geometerplus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.geometerplus.fbreader.network.opds;
class RelationAlias implements Comparable<RelationAlias> {
final String Alias;
final String Type;
// `alias` and `type` parameters must be either null or interned String.
RelationAlias(String alias, String type) {
Alias = alias;
Type = type;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof RelationAlias)) {
return false;
}
RelationAlias r = (RelationAlias) o;
return Alias == r.Alias && Type == r.Type;
}
@Override
public int hashCode() {
return (Alias == null ? 0 : Alias.hashCode()) +
(Type == null ? 0 : Type.hashCode());
}
public int compareTo(RelationAlias r) {
if (Alias != r.Alias) {
if (Alias == null) {
return -1;
} else if (r.Alias == null) {
return 1;
}
return Alias.compareTo(r.Alias);
}
if (Type != r.Type) {
if (Type == null) {
return -1;
} else if (r.Type == null) {
return 1;
}
return Type.compareTo(r.Type);
}
return 0;
}
@Override
public String toString() {
return "Alias(" + Alias + "; " + Type + ")";
}
}