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/*
* Copyright (C) 2010 Google 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://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.
*/
package com.android.i18n.addressinput;
/**
* A simple class to hold region data. Instances of this class are immutable.
*/
class RegionData {
private String key;
private String name;
/**
* Create a new RegionData object.
*/
private RegionData() {
}
/**
* Copy constructor. data should not be null.
*
* @param data A populated instance of RegionData
*/
private RegionData(RegionData data) {
Util.checkNotNull(data);
key = data.key;
name = data.name;
}
/**
* Gets the key of the region. For example, California's key is "CA".
*/
String getKey() {
return key;
}
/**
* Gets the name. Returns null if not specified.
*/
String getName() {
return name;
}
/**
* Gets the best display name. Returns the name if this is not null, otherwise the key.
*/
public String getDisplayName() {
return (name != null) ? name : key;
}
/**
* Checks if the input subkey is the name (in Latin or local script) of the region. Returns
* false if subkey is not a valid name for the region, or the input subkey is null.
*
* @param subkey a string that refers to the name of a geo location. Like "California", "CA", or
* "Mountain View". Names in the local script are also supported.
*/
boolean isValidName(String subkey) {
if (subkey == null) {
return false;
}
if (subkey.equalsIgnoreCase(key) || subkey.equalsIgnoreCase(name)) {
return true;
}
return false;
}
/**
* A builder class to facilitate the creation of RegionData objects.
*/
static class Builder {
RegionData data = new RegionData();
RegionData build() {
return new RegionData(data);
}
Builder setKey(String key) {
Util.checkNotNull(key, "Key should not be null.");
data.key = key;
return this;
}
/**
* Sets name of the region. For example, "California". If the name is an empty string, sets
* it to null.
*/
Builder setName(String name) {
data.name = Util.trimToNull(name);
return this;
}
}
}
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