Java XML JAXB String to Object fromXml(final Reader reader, final Class dtoClass)

Description

from Xml

License

Apache License

Declaration

public static <T> T fromXml(final Reader reader, final Class<T> dtoClass) 

Method Source Code

//package com.java2s;
/**/*from   w  ww  .ja va  2 s  .  c o  m*/
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You 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 java.io.IOException;
import java.io.Reader;
import java.io.StringReader;

import java.net.URL;
import java.nio.charset.Charset;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;

import javax.xml.bind.Unmarshaller;
import com.google.common.io.Resources;

public class Main {
    public static <T> T fromXml(final Reader reader, final Class<T> dtoClass) {
        Unmarshaller un = null;
        try {
            un = getJaxbContext(dtoClass).createUnmarshaller();
            return (T) un.unmarshal(reader);
        } catch (JAXBException e) {
            throw new RuntimeException(e);
        }
    }

    public static <T> T fromXml(final Class<?> contextClass, final String resourceName, final Charset charset,
            final Class<T> dtoClass) throws IOException {
        final URL url = Resources.getResource(contextClass, resourceName);
        final String s = Resources.toString(url, charset);
        return fromXml(new StringReader(s), dtoClass);
    }

    private static JAXBContext getJaxbContext(Class<?> dtoClass) {
        try {
            return JAXBContext.newInstance(dtoClass);
        } catch (JAXBException e) {
            throw new RuntimeException(e);
        }
    }
}

Related

1. fromXml(@SuppressWarnings("rawtypes") Class clazz, String stringXml)
2. fromXML(Class clazz, InputStream is)
3. fromXml(Class tClass, InputStream inputStream)
4. fromXml(File xmlPath, Class type)
5. fromXML(final byte[] data, final Class type)
6. fromXml(InputStream input, Class clazz)
7. fromXml(InputStream xml, Class objectClass)
8. fromXml(Reader xml, Class clazz)
9. fromXml(String responseBody, Class c)