Here you can find the source of assertDescriptorName(String key)
public static void assertDescriptorName(String key)
//package com.java2s; /*// w w w.j a v a2 s . co m * Copyright 2000-2011 JetBrains s.r.o. * * 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 final char GROUP_SEPARATOR = ':'; private static final char GROUPS_SEPARATOR = ';'; private static final char GROUP_VALUE_SEPARATOR = ','; public static void assertDescriptorName(String key) { assert key != null; assert key.indexOf(GROUP_SEPARATOR) == -1 : key + " contains invalid chars"; assert key.indexOf(GROUPS_SEPARATOR) == -1 : key + " contains invalid chars"; assert key.indexOf(GROUP_VALUE_SEPARATOR) == -1 : key + " contains invalid chars"; assert !key.contains("=") : key + " contains invalid chars"; assert !key.contains("'") : key + " contains invalid chars"; assert !key.contains("\"") : key + " contains invalid chars"; } }