package org.kuali.common.util.xml.jaxb.issue415;
   
   import javax.xml.bind.JAXBContext;
   import javax.xml.bind.Marshaller;
   import javax.xml.bind.annotation.XmlAccessType;
   import javax.xml.bind.annotation.XmlAccessorType;
   import javax.xml.bind.annotation.XmlElement;
   import javax.xml.bind.annotation.XmlRootElement;
   import javax.xml.bind.annotation.adapters.XmlAdapter;
  import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * Unit test for https://java.net/jira/browse/JAXB-415
   * 
   * Marshaller.marshall throws NPE if an adapter adapts a non-null bound value to null
   */
  @XmlRootElement
  @XmlAccessorType(XmlAccessType.FIELD)
  public class JAXBIssue415Test {
  
  	@XmlElement
  	@XmlJavaTypeAdapter(JAXBIssue415TestAdapter.class)
  	private String value = "foo"; // Bound value is always initialized to "foo"
  
  	@Test
  	public void testIssue415() throws Exception {
  		String os = System.getProperty("os.name") + ", " + System.getProperty("os.version");
  		String jdk = System.getProperty("java.vm.name") + ", " + System.getProperty("java.runtime.version");
  		try {
  			Marshaller m = JAXBContext.newInstance(JAXBIssue415Test.class).createMarshaller();
  			m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
  			m.marshal(new JAXBIssue415Test(), System.out);
  		} catch (NullPointerException e) {
  			Assert.fail("JAXB issue 415 is still occurring on [" + os + "] [" + jdk + "]");
  		}
  	}
  
  	public static class JAXBIssue415TestAdapter extends XmlAdapter<String, String> {
  
  		@Override
  		public String marshal(String value) {
  			return null; // Ignore the bound value and just always return null
  		}
  
  		@Override
  		public String unmarshal(String value) {
  			return null;
  		}
  	}
  }