Java tutorial
/* * Copyright 2017 Hewlett-Packard Development Company, L.P. * 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 com.hp.mqm.client; import org.apache.commons.lang.StringUtils; import java.util.Collection; /** * Created by berkovir on 17/05/2017. */ public class QueryHelper { public static String conditionRef(String name, long id) { return name + "={id=" + id + "}"; } public static String conditionRef(String name, String refName, String value) { return name + "={" + condition(refName, value) + "}"; } public static String condition(String name, String value) { return name + "='" + escapeQueryValue(value) + "'"; } public static String condition(String name, int value) { return name + "=" + value; } public static String condition(String name, long value) { return name + "=" + value; } public static String conditionIn(String name, Collection<?> ids, boolean isNumber) { if (isNumber) { return name + " IN " + StringUtils.join(ids, ","); } else { //wrap values with ' return name + " IN '" + StringUtils.join(ids, "','") + "'"; } } private static String escapeQueryValue(String value) { return value.replaceAll("(\\\\)", "$1$1").replaceAll("([\"'])", "\\\\$1"); } }