Here you can find the source of unquote(String val)
private static String unquote(String val)
//package com.java2s; /*/*from w w w . j a va2s .com*/ * Copyright 2016 Red Hat, Inc. and/or its affiliates * and other contributors as indicated by the @author tags. * * 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. */ public class Main { private static String unquote(String val) { if (!(val.startsWith("'") || val.startsWith("\"")) || !(val.endsWith("'") || val.endsWith("\""))) { throw new RuntimeException("Invalid string value: " + val); } return val.substring(1, val.length() - 1); } }