Here you can find the source of createQueryLogMessage(String query, List
| Parameter | Description |
|---|---|
| query | the JPQL query string |
| parameterValues | the parameter values of the query |
public static String createQueryLogMessage(String query, List<Object> parameterValues)
//package com.java2s; //License from project: Apache License import java.util.Iterator; import java.util.List; public class Main { /**/*from www . jav a 2 s. c o m*/ * Method to create a human readable log message regarding a generated query. * * @param query the JPQL query string * @param parameterValues the parameter values of the query * @return log string */ public static String createQueryLogMessage(String query, List<Object> parameterValues) { // builder for log message StringBuilder builder = new StringBuilder(); // log the JPQL query string builder.append("Query: \""); builder.append(query); builder.append("\""); // append parameter value list if (parameterValues != null && parameterValues.size() > 0) { builder.append(", parameters: { "); // parameter value iterator Iterator<Object> parameterIterator = parameterValues.iterator(); // iterate over all parameter values while (parameterIterator.hasNext()) { // use private helper to create string representation builder.append(objectToString(parameterIterator.next())); // append comma if more values follow if (parameterIterator.hasNext()) { builder.append(", "); } } // closing bracket builder.append(" }"); } // return result return builder.toString(); } /** * Helper method to create a string representation of an object. * * @param obj the object to print * @return a string representation of the object */ private static String objectToString(Object obj) { // handle 'null' if (obj == null) { return "null"; } // enclose Strings in quotes if (obj instanceof CharSequence) { return "\"" + obj.toString() + "\""; } // use toString() for all other objects return obj.toString(); } }