init code

[vfc/nfvo/wfengine.git] / wso2 / baseservice-i18n / src / main / java / org / openo / baseservice / i18n / I18nImpl.java

diff --git a/wso2/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nImpl.java b/wso2/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nImpl.java
new file mode 100644 (file)
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+++ b/wso2/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nImpl.java
@@ -0,0 +1,137 @@
+/**
+ * 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*\\}", "");
+  }
+
+}