Java XML JAXB Unmarshaller unmarshal(InputStream inputStream, Class type)

Description

Attempts to unmarshal an XML document from an InputStream.

License

Open Source License

Parameter

Parameter	Description
inputStream	InputStream to unmarshal XML from.
type	JAXB class of the returned object. Must be in the same package as other relevant JAXB classes.
T	the type of the returned object

Exception

Parameter	Description
JAXBException	if an unexpected error occurs while unmarshalling

Return

the unmarshalled JAXB object

Declaration

public static <T> T unmarshal(InputStream inputStream, Class<T> type) throws JAXBException 

Method Source Code

//package com.java2s;
/*/*from   w  w w .  j av  a  2s .  c om*/
 * MIT License
 * Copyright (c) 2016 Estonian Information System Authority (RIA)
 *
 * 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.
 */

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import java.io.InputStream;

public class Main {
    /**
     * Attempts to unmarshal an XML document from an InputStream.
     *
     * @param inputStream InputStream to unmarshal XML from.
     * @param type        JAXB class of the returned object. Must be in the same package as other relevant JAXB classes.
     * @param <T>         the type of the returned object
     * @return the unmarshalled JAXB object
     * @throws JAXBException if an unexpected error occurs while unmarshalling
     */
    public static <T> T unmarshal(InputStream inputStream, Class<T> type) throws JAXBException {
        JAXBContext jaxbContext = JAXBContext.newInstance(type.getPackage().getName());
        Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
        @SuppressWarnings("unchecked")
        JAXBElement<T> jaxbElement = (JAXBElement<T>) unmarshaller.unmarshal(inputStream);
        return jaxbElement.getValue();
    }
}

Related

1. unmarshal(final String xml, final Class clazz)
2. unmarshal(InputSource inputSource, Class clazz)
3. unmarshal(InputStream content, Class expectedType)
4. unmarshal(InputStream in, Class... boundClasses)
5. unmarshal(InputStream inputStream, Class entityClass)
6. unmarshal(InputStream is, Class clazz)
7. unmarshal(InputStream stream, Class clazz)
8. unmarshal(JAXBContext context, Class clazz, String source)
9. unmarshal(JAXBContext jaxbContext, XMLStreamReader xmlStreamReader)