Glassfish example source code file (StAXParserFactory.java)

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Java - Glassfish tags/keywords

componentexception, componentexception, factory, factory, service, service, staxparserfactory, xmlinputfactory, xmlinputfactory

The Glassfish StAXParserFactory.java source code

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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package com.sun.enterprise.v3.server;

import org.jvnet.hk2.annotations.FactoryFor;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.component.Factory;
import org.jvnet.hk2.component.ComponentException;

import javax.xml.stream.XMLInputFactory;

/**
 * Allow people to inject {@link XMLInputFactory} via {@link Inject}.
 *
 * <p>
 * Component instantiation happens only when someone requests {@link XMLInputFactory},
 * so this is as lazy as it gets.
 *
 * <p>
 * TODO: if we need to let people choose StAX implementation, this is the place to do it. 
 *
 * @author Kohsuke Kawaguchi
 */
@Service
@FactoryFor(XMLInputFactory.class)
public class StAXParserFactory implements Factory {
    // In JDK 1.6, StAX is part of JRE, so we use no argument variant of
    // newInstance(), where as on JDK 1.5, we use two argument version of
    // newInstance() so that we can pass the classloader that loads
    // XMLInputFactory to load the factory, otherwise by default StAX uses
    // Thread's context class loader to locate the factory. See:
    // https://glassfish.dev.java.net/issues/show_bug.cgi?id=6428
    private static final XMLInputFactory xif =
            XMLInputFactory.class.getClassLoader() == null ?
                    XMLInputFactory.newInstance() :
                    XMLInputFactory.newInstance(XMLInputFactory.class.getName(),
                            XMLInputFactory.class.getClassLoader());

    public XMLInputFactory getObject() throws ComponentException {
        return xif;
    }
}