Answers to the Question Q27758304 of StackOverflow

Q27758304.java

package py.com.volpe.stack;

import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlValue;

import org.junit.Test;

public class Q27758304 {
	@Test
	public void testName() throws Exception {
		String f = getClass().getResource(getClass().getSimpleName() + ".xml")
				.getPath();

		JAXBContext context = JAXBContext.newInstance(GTSResponse.class);
		Unmarshaller unma = context.createUnmarshaller();
		// here you can pass a inputStream instead of a new File
		GTSResponse response = (GTSResponse) unma.unmarshal(new File(f));

		List<String> result = new ArrayList<String>();
		for (Record r : response.records) {
			System.out.println("Start record");
			for (Field fi : r.fields) {
				System.out.println(fi.name + ":" + fi.data + "(Primary: "
						+ fi.primaryKey + ")");
				if (fi.name.equals("deviceID") || fi.name.equals("description"))
					result.add(fi.data);
			}
		}

		// The array this print is exactly as you want
		System.out.println(Arrays.toString(result.toArray()));
	}

	@XmlRootElement(name = "GTSResponse")
	@XmlAccessorType(XmlAccessType.FIELD)
	public static class GTSResponse {

		@XmlElement(name = "Record")
		List<Record> records;
	}

	@XmlRootElement(name = "Record")
	@XmlAccessorType(XmlAccessType.FIELD)
	public static class Record {

		@XmlElement(name = "Field")
		List<Field> fields;

	}

	@XmlRootElement(name = "Field")
	@XmlAccessorType(XmlAccessType.FIELD)
	public static class Field {

		@XmlAttribute(name = "name")
		String name;
		@XmlAttribute(name = "primaryKey")
		boolean primaryKey;

		@XmlValue
		String data;
	}

}