gov.hhs.fha.nhinc.lift.proxy.util.ProxyUtil.java Source code

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *  
 * Copyright 2010(Year date of delivery) United States Government, as represented by the Secretary of Health and Human Services.  All rights reserved.
 *  
 */
//
// Non-Export Controlled Information
//
//####################################################################
//## The MIT License
//##
//## Copyright (c) 2010 Harris Corporation
//##
//## Permission is hereby granted, free of charge, to any person
//## obtaining a copy of this software and associated documentation
//## files (the "Software"), to deal in the Software without
//## restriction, including without limitation the rights to use,
//## copy, modify, merge, publish, distribute, sublicense, and/or sell
//## copies of the Software, and to permit persons to whom the
//## Software is furnished to do so, subject to the following conditions:
//##
//## The above copyright notice and this permission notice shall be
//## included in all copies or substantial portions of the Software.
//##
//## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
//## EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
//## OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//## NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
//## HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
//## WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//## FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
//## OTHER DEALINGS IN THE SOFTWARE.
//##
//####################################################################
//********************************************************************
// FILE: ProxyUtil.java
//
// Copyright (C) 2010 Harris Corporation. All rights reserved.
//
// CLASSIFICATION: Unclassified
//
// DESCRIPTION: ProxyUtil.java 
//              
//
// LIMITATIONS: None
//
// SOFTWARE HISTORY:
//
//> Feb 24, 2010 PTR#  - R. Robinson
// Initial Coding.
//<
//********************************************************************
package gov.hhs.fha.nhinc.lift.proxy.util;

import java.io.Reader;
import java.io.StringWriter;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.w3c.dom.Document;

public class ProxyUtil {

    private static Log log = LogFactory.getLog(ProxyUtil.class);

    public static org.w3c.dom.Element marshal(Object obj) throws JAXBException {
        try {
            Document doc = null;
            JAXBContext jc = JAXBContext.newInstance(obj.getClass());
            Marshaller marshaller = jc.createMarshaller();
            javax.xml.parsers.DocumentBuilderFactory dbf;
            dbf = javax.xml.parsers.DocumentBuilderFactory.newInstance();
            dbf.setNamespaceAware(true);
            doc = dbf.newDocumentBuilder().newDocument();
            marshaller.marshal(obj, doc);
            log.info("Marshal: " + doc.getNodeValue());
            return doc.getDocumentElement();
        } catch (ParserConfigurationException ex) {
            throw new JAXBException("Unable to create document: " + ex.getMessage());
        }
    }

    public static String marshalToString(Object obj) throws JAXBException {
        StringWriter writer = new StringWriter();

        JAXBContext jc = JAXBContext.newInstance(obj.getClass());
        Marshaller marshaller = jc.createMarshaller();

        marshaller.marshal(obj, writer);
        log.info("Marshal: " + writer.toString());

        return writer.toString();
    }

    public static Object unmarshal(org.w3c.dom.Element elem, Class<?> c) throws JAXBException {
        Object result = null;

        JAXBContext jc = JAXBContext.newInstance(c);
        Unmarshaller um = jc.createUnmarshaller();
        result = um.unmarshal(elem);

        return result;
    }

    public static Object unmarshalFromReader(Reader reader, Class<?> c) throws JAXBException {
        Object result = null;

        JAXBContext jc = JAXBContext.newInstance(c);
        Unmarshaller um = jc.createUnmarshaller();
        result = um.unmarshal(reader);

        return result;
    }
}