Here you can find the source of getEncodedSize(String value)
public static int getEncodedSize(String value)
/* ==================================================================== Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You 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./*from w ww . ja va 2s . c om*/ ==================================================================== */ import java.io.UnsupportedEncodingException; import java.text.FieldPosition; import java.text.NumberFormat; import java.util.Iterator; public class Main{ /** * @return the number of bytes that would be written by {@link #writeUnicodeString(LittleEndianOutput, String)} */ public static int getEncodedSize(String value) { int result = 2 + 1; result += value.length() * (StringUtil.hasMultibyte(value) ? 2 : 1); return result; } /** * check the parameter has multibyte character * * @param value string to check * @return boolean result true:string has at least one multibyte character */ public static boolean hasMultibyte(String value) { if (value == null) return false; for (int i = 0; i < value.length(); i++) { char c = value.charAt(i); if (c > 0xFF) { return true; } } return false; } }