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/**
* Copyright 2017 ZTE Corporation.
*
* 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 org.openo.baseservice.i18n;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Collections;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.Map.Entry;
public class I18nImpl implements I18n {
private static Logger logger = LoggerFactory.getLogger(I18nImpl.class);
private String name;
private Map<String, I18nItem> items;
private Map<String, String> keyToValueMap;
private Map<String, String> valueToKeyMap;
public I18nImpl(String name, Map<String, I18nItem> items) {
this.name = name;
this.items = Collections.unmodifiableMap(items);
keyToValueMap = new HashMap<>(items.size());
valueToKeyMap = new HashMap<>(items.size() * 3);
try {
for (Entry<String, I18nItem> entry : items.entrySet()) {
String key = entry.getKey();
I18nItem item = entry.getValue();
String value = I18nJsonUtil.getInstance().writeToJson(item.getValues());
keyToValueMap.put(key, value);
for (Entry<String, String> valueEntry : item.getValues().entrySet()) {
valueToKeyMap.put(valueEntry.getValue(), key);
}
}
} catch (Exception e) {
logger.error("new I18nImpl failed:" + name, e);
}
keyToValueMap = Collections.unmodifiableMap(keyToValueMap);
valueToKeyMap = Collections.unmodifiableMap(valueToKeyMap);
}
@Override
public Map<String, String> getLabelValues(String labelKey) {
I18nItem item = items.get(labelKey);
if (item != null) {
return item.getValues();
}
return null;
}
@Override
public String getLabelValue(String labelKey, Locale theLocale) {
I18nItem item = items.get(labelKey);
if (item != null) {
Map<String, String> values = item.getValues();
return values.get(I18nLocaleTransfer.transfer(theLocale, values.keySet()));
}
return null;
}
@Override
public String getLabelValue(String labelKey, Locale theLocale, String[] arguments) {
I18nItem item = items.get(labelKey);
if (item != null) {
Map<String, String> values = item.getValues();
String value = values.get(I18nLocaleTransfer.transfer(theLocale, values.keySet()));
return replaceArguments(value, arguments);
}
return null;
}
@Override
public Map<String, String> getLabelValues(String labelKey, String[] arguments) {
I18nItem item = items.get(labelKey);
if (item != null) {
Map<String, String> map = new HashMap<String, String>();
for (Entry<String, String> entry : item.getValues().entrySet()) {
String value = entry.getValue();
map.put(entry.getKey(), replaceArguments(value, arguments));
}
return map;
}
return null;
}
@Override
public String getCanonicalLabelValues(String labelKey) {
return keyToValueMap.get(labelKey);
}
@Override
public String getKeyFromValue(String aValue) {
return valueToKeyMap.get(aValue);
}
private String replaceArguments(String value, String[] arguments) {
if (value == null) {
return null;
}
if (arguments != null) {
int i = 0;
for (String argument : arguments) {
if (argument == null) {
value = value.replaceAll("\\{\\s*" + i + "\\s*\\}", "");
} else {
value = value.replaceAll("\\{\\s*" + i + "\\s*\\}", argument);
}
i++;
}
}
return value.replaceAll("\\{\\s*\\d+\\s*\\}", "");
}
}
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