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/**************************************************************
*
* 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.
*
*************************************************************/
package helper;
public class StringHelper
{
public static String doubleQuote(String _sStr)
{
return "\"" + _sStr + "\"";
}
public static String singleQuote(String _sStr)
{
return "'" + _sStr + "'";
}
/**
* removes quotes if both exists at start and at end
*/
public static String removeSurroundQuoteIfExists(String _sPath)
{
String sNewPath = _sPath;
boolean bRemoveQuotes = false;
if (
(_sPath.startsWith("\"") && _sPath.endsWith("\"")) ||
(_sPath.startsWith("'") && _sPath.endsWith("'"))
)
{
// remove trailing quotes, if exists
sNewPath = sNewPath.substring(1);
// remove trailing quotes, if exists
sNewPath = sNewPath.substring(0, sNewPath.length() - 1);
}
return sNewPath;
}
public static String removeQuoteIfExists(String _sPath)
{
String sNewPath = _sPath;
if (_sPath.startsWith("\"") ||
_sPath.startsWith("'"))
{
// remove trailing quotes, if exists
sNewPath = sNewPath.substring(1);
}
if (_sPath.endsWith("\"") ||
_sPath.endsWith("'"))
{
// remove trailing quotes, if exists
sNewPath = sNewPath.substring(0, sNewPath.length() - 1);
}
return sNewPath;
}
public static String doubleQuoteIfNeed(String _sStr)
{
if (_sStr.startsWith("\"") && _sStr.endsWith("\""))
{
// don't quote twice
return _sStr;
}
if (_sStr.indexOf(" ") == -1)
{
// don't quote, if there is no space in name
return _sStr;
}
if (_sStr.indexOf("%") != -1)
{
return singleQuote(_sStr);
}
return doubleQuote(_sStr);
}
/**
* Convert a value to a string with a given length, if the len is greater the len of the value string representation
* fill it's front with '0'
* So ("5", 4) will result in a string "0005"
* @param _nValue
* @param _nLen
* @return
*/
public static String createValueString(int _nValue, int _nLen)
{
String sValue = String.valueOf(_nValue);
StringBuffer a = new StringBuffer();
while (_nLen > sValue.length())
{
a.append('0');
_nLen --;
}
a.append(sValue);
return a.toString();
}
}