Java XML JAXB Unmarshaller createUnmarshaller()

Description

Create an unmarshaller for XML parsing.

License

Apache License

Exception

Parameter	Description
JAXBException	if the unmarshaller is not creatable

Return

unmarshaller

Declaration

public static Unmarshaller createUnmarshaller() throws JAXBException 

Method Source Code

//package com.java2s;
/*//from w  ww  . j ava  2 s  .  co m
 * Copyright 2014-2016 OpenEstate.org.
 *
 * 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.
 */

import javax.xml.bind.JAXBContext;

import javax.xml.bind.JAXBException;

import javax.xml.bind.Unmarshaller;

public class Main {
    private static JAXBContext JAXB = null;
    private final static String JAXB_PACKAGES = "" + "org.openestate.is24.restapi.xml.attachmentsorder"
            + ":org.openestate.is24.restapi.xml.common" + ":org.openestate.is24.restapi.xml.gis"
            + ":org.openestate.is24.restapi.xml.offerlistelement" + ":org.openestate.is24.restapi.xml.offeruser"
            + ":org.openestate.is24.restapi.xml.premiumplacement"
            + ":org.openestate.is24.restapi.xml.realestatecounts"
            + ":org.openestate.is24.restapi.xml.realestateproject" + ":org.openestate.is24.restapi.xml.realestates"
            + ":org.openestate.is24.restapi.xml.realtor" + ":org.openestate.is24.restapi.xml.realtorbadges"
            + ":org.openestate.is24.restapi.xml.showcaseplacement" + ":org.openestate.is24.restapi.xml.topplacement"
            + ":org.openestate.is24.restapi.xml.videoupload";

    /**
     * Create an unmarshaller for XML parsing.
     *
     * @return
     * unmarshaller
     *
     * @throws JAXBException
     * if the unmarshaller is not creatable
     */
    public static Unmarshaller createUnmarshaller() throws JAXBException {
        return getContext().createUnmarshaller();
    }

    /**
     * Returns the JAXB context for XML parsing / generation.
     *
     * @return
     * JAXB context
     *
     * @throws JAXBException
     * if the JAXB context is not initialized properly
     */
    public synchronized static JAXBContext getContext() throws JAXBException {
        if (JAXB == null)
            initContext(Thread.currentThread().getContextClassLoader());
        return JAXB;
    }

    /**
     * Initialize the JAXB context.
     *
     * @param classloader
     * class loader to access JAXB classes
     *
     * @throws JAXBException
     * if the JAXB context is not initialized properly
     */
    public synchronized static void initContext(ClassLoader classloader) throws JAXBException {
        JAXB = JAXBContext.newInstance(JAXB_PACKAGES, classloader);
    }
}

Related

1. castUnmarshalled(Object unmarshalled, Class clazz)
2. closeUnmarshaller(Unmarshaller u)
3. createUnmarshaller()
4. createUnmarshaller()
5. createUnmarshaller(Class jaxbBindClass)
6. createUnmarshaller(Class clazz)