Java tutorial
//package com.java2s; /* * 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. * */ import javax.xml.parsers.SAXParserFactory; public class Main { static final String XERCES_LOAD_EXTERNAL_DTD = "http://apache.org/xml/features/nonvalidating/load-external-dtd"; private static Boolean canDisableExternalDtds = null; private static boolean canDisableExternalDtds(SAXParserFactory parserFactory) { if (canDisableExternalDtds == null) { try { parserFactory.getFeature(XERCES_LOAD_EXTERNAL_DTD); canDisableExternalDtds = Boolean.TRUE; } catch (Exception ex) { canDisableExternalDtds = Boolean.FALSE; } } return canDisableExternalDtds.booleanValue(); } }