home | career | drupal | java | mac | mysql | perl | scala | uml | unix

Groovy example source code file (FactorySupport.java)

This example Groovy source code file (FactorySupport.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

documentbuilderfactory, documentbuilderfactory, exception, factorysupport, object, object, parser, parserconfigurationexception, parserconfigurationexception, privilegedactionexception, privilegedexceptionaction, runtimeexception, saxparserfactory, saxparserfactory, security, xml

The Groovy FactorySupport.java source code

/*
 * Copyright 2003-2007 the original author or authors.
 *
 * 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 groovy.xml;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.SAXParserFactory;
import java.security.PrivilegedExceptionAction;
import java.security.AccessController;
import java.security.PrivilegedActionException;

/**
 * Support class for creating XML Factories
 */
public class FactorySupport {
    static Object createFactory(PrivilegedExceptionAction action) throws ParserConfigurationException {
        Object factory;
        try {
            factory = AccessController.doPrivileged(action);
        } catch (PrivilegedActionException pae) {
            Exception e = pae.getException();
            if (e instanceof ParserConfigurationException) {
                throw(ParserConfigurationException) e;
            } else {
                throw new RuntimeException(e);
            }
        }
        return factory;
    }

    public static DocumentBuilderFactory createDocumentBuilderFactory() throws ParserConfigurationException {
        return (DocumentBuilderFactory) createFactory(new PrivilegedExceptionAction() {
            public Object run() throws ParserConfigurationException {
                return DocumentBuilderFactory.newInstance();
            }
        });
    }

    public static SAXParserFactory createSaxParserFactory() throws ParserConfigurationException {
        return (SAXParserFactory) createFactory(new PrivilegedExceptionAction() {
                public Object run() throws ParserConfigurationException {
                    return SAXParserFactory.newInstance();
                }
            });
    }
}

Other Groovy examples (source code examples)

Here is a short list of links related to this Groovy FactorySupport.java source code file:

new blog posts

 

Copyright 1998-2013 Alvin Alexander, alvinalexander.com
All Rights Reserved.