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package com.sun.jersey.json.impl;
import com.sun.jersey.api.json.JSONConfiguration;
import com.sun.jersey.api.json.JSONJAXBContext;
import com.sun.jersey.api.json.JSONMarshaller;
import com.sun.jersey.api.json.JSONUnmarshaller;
import junit.framework.TestCase;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.PropertyException;
import java.io.StringReader;
import java.io.StringWriter;
import java.lang.reflect.Method;
import java.util.*;
/**
*
* @author Jakub.Podlesak@Sun.COM
*/
public class JSONJAXBRoudtripTest extends TestCase {
private static final String PKG_NAME = "com/sun/jersey/json/impl/";
Collection<Object> beans;
Class[] classes;
@Override
@SuppressWarnings("unchecked")
public void setUp() throws Exception {
String beanClasses = JSONTestHelper.getResourceAsString(PKG_NAME, "jaxb.index");
Collection classCollection = new LinkedList<Class>();
StringTokenizer tokenizer = new StringTokenizer(beanClasses);
//StringTokenizer tokenizer = new StringTokenizer("SimpleBeanWithAttributes");//beanClasses);
beans = new LinkedList<Object>();
while (tokenizer.hasMoreTokens()) {
String className = tokenizer.nextToken();
if (!"".equals(className)) {
Class beanClass = Class.forName(PKG_NAME.replace('/', '.') + className);
classCollection.add(beanClass);
Method testBeanCreator = beanClass.getDeclaredMethod("createTestInstance");
Object testBean = testBeanCreator.invoke(null);
beans.add(testBean);
}
}
classes = (Class[]) classCollection.toArray(new Class[0]);
}
public void testDefaultConfig() throws Exception {
System.out.println("DEFAULT CONFIG");
allBeansTest(beans);
}
public void testDefaultConfigOld() throws Exception {
System.out.println("DEFAULT CONFIG OLD");
allBeansTest(beans, true);
}
public void testInternalNotation() throws Exception {
System.out.println("INTERNAL NOTATION");
allBeansTest(JSONConfiguration.mapped().rootUnwrapping(false).build(), beans);
}
public void testInternalNotationOld() throws Exception {
System.out.println("INTERNAL NOTATION OLD");
allBeansTest(JSONConfiguration.mapped().rootUnwrapping(false).build(), beans, true);
}
public void testInternalNotationDeprecatedConfig() throws Exception {
System.out.println("INTERNAL NOTATION DEPRECATED CONFIG");
Map<String, Object> props = new HashMap<String, Object>();
props.put(JSONJAXBContext.JSON_NOTATION, JSONJAXBContext.JSONNotation.MAPPED);
props.put(JSONJAXBContext.JSON_ROOT_UNWRAPPING, Boolean.FALSE);
props.put(JSONJAXBContext.JSON_ARRAYS, new HashSet<String>(1){{add("list");}});
props.put(JSONJAXBContext.JSON_NON_STRINGS, new HashSet<String>(1){{add("b");}});
allBeansTest(props, beans);
}
public void testInternalNotationDeprecatedConfigOld() throws Exception {
System.out.println("INTERNAL NOTATION DEPRECATED CONFIG OLD");
Map<String, Object> props = new HashMap<String, Object>();
props.put(JSONJAXBContext.JSON_NOTATION, JSONJAXBContext.JSONNotation.MAPPED);
props.put(JSONJAXBContext.JSON_ROOT_UNWRAPPING, Boolean.FALSE);
allBeansTest(props, beans, true);
}
public void testInternalNotationAttrAsElems() throws Exception {
System.out.println("INTERNAL NOTATION WITH SOME ATTR AS ELEMS");
allBeansTest(JSONConfiguration.mapped().rootUnwrapping(true).attributeAsElement("i", "j").build(), beans);
}
public void testInternalNotationAttrAsElemsOld() throws Exception {
System.out.println("INTERNAL NOTATION WITH SOME ATTR AS ELEMS OLD");
allBeansTest(JSONConfiguration.mapped().rootUnwrapping(true).attributeAsElement("i", "j").build(), beans, true);
}
public void testInternalNotationAttrAsElemsDeprecatedConfig() throws Exception {
System.out.println("INTERNAL NOTATION WITH SOME ATTR AS ELEMS DEPRECATED CONFIG");
Map<String, Object> props = new HashMap<String, Object>();
props.put(JSONJAXBContext.JSON_NOTATION, JSONJAXBContext.JSONNotation.MAPPED);
props.put(JSONJAXBContext.JSON_ROOT_UNWRAPPING, Boolean.TRUE);
props.put(JSONJAXBContext.JSON_ATTRS_AS_ELEMS, new HashSet<String>(2){{add("i");add("j");}});
props.put(JSONJAXBContext.JSON_ARRAYS, new HashSet<String>(1){{add("list");}});
props.put(JSONJAXBContext.JSON_NON_STRINGS, new HashSet<String>(1){{add("b");}});
allBeansTest(props, beans);
}
public void testInternalNotationAttrAsElemsDeprecatedConfigOld() throws Exception {
System.out.println("INTERNAL NOTATION WITH SOME ATTR AS ELEMS DEPRECATED CONFIG OLD");
Map<String, Object> props = new HashMap<String, Object>();
props.put(JSONJAXBContext.JSON_NOTATION, JSONJAXBContext.JSONNotation.MAPPED);
props.put(JSONJAXBContext.JSON_ROOT_UNWRAPPING, Boolean.TRUE);
props.put(JSONJAXBContext.JSON_ATTRS_AS_ELEMS, new HashSet<String>(2){{add("i");add("j");}});
allBeansTest(props, beans, true);
}
public void testJettisonBadgerfishNotation() throws Exception {
System.out.println("BADGERFISH NOTATION");
allBeansTest(JSONConfiguration.badgerFish().build(), beans);
}
public void testJettisonBadgerfishNotationDeprecatedConfig() throws Exception {
System.out.println("BADGERFISH NOTATION DEPRECATED CONFIG");
Map<String, Object> props = new HashMap<String, Object>();
props.put(JSONJAXBContext.JSON_NOTATION, JSONJAXBContext.JSONNotation.BADGERFISH);
allBeansTest(props, beans);
}
public void testNaturalNotation() throws Exception {
System.out.println("NATURAL NOTATION");
allBeansTest(JSONConfiguration.natural().build(), beans);
}
public void testNaturalNotationFormatted() throws Exception {
System.out.println("NATURAL NOTATION FORMATTED");
allBeansTest(JSONConfiguration.natural().humanReadableFormatting(true).build(), beans);
}
public void testNaturalNotationDeprecatedConfig() throws Exception {
System.out.println("NATURAL NOTATION DEPRECATED CONFIG");
Map<String, Object> props = new HashMap<String, Object>();
props.put(JSONJAXBContext.JSON_NOTATION, JSONJAXBContext.JSONNotation.NATURAL);
allBeansTest(props, beans);
}
public void testJettisonMappedNotation() throws Exception {
System.out.println("MAPPED (JETTISON) NOTATION");
Map<String, Object> props = new HashMap<String, Object>();
allBeansTest(JSONConfiguration.mappedJettison().build(), beans);
}
public void testJettisonMappedNotationDeprecatedConfig() throws Exception {
System.out.println("MAPPED (JETTISON) NOTATION DEPRECATED CONFIG");
Map<String, Object> props = new HashMap<String, Object>();
props.put(JSONJAXBContext.JSON_NOTATION, "MAPPED_JETTISON");
allBeansTest(props, beans);
}
public synchronized void allBeansTest(final Collection<Object> beans) throws Exception {
allBeansTest(beans, false);
}
public synchronized void allBeansTest(final Collection<Object> beans, final boolean useDefaultConfiguration) throws Exception {
allBeansTest(JSONConfiguration.DEFAULT, Collections.<String, Object>emptyMap(), beans, useDefaultConfiguration);
}
public synchronized void allBeansTest(JSONConfiguration configuration,
final Collection<Object> beans) throws Exception {
allBeansTest(configuration, beans, false);
}
public synchronized void allBeansTest(JSONConfiguration configuration,
final Collection<Object> beans,
final boolean useDefaultConfiguration) throws Exception {
allBeansTest(configuration, Collections.<String, Object>emptyMap(), beans, useDefaultConfiguration);
}
public synchronized void allBeansTest(final Map<String, Object> properties,
final Collection<Object> beans) throws Exception {
allBeansTest(JSONConfiguration.DEFAULT, properties, beans, false);
}
public synchronized void allBeansTest(final Map<String, Object> properties,
final Collection<Object> beans,
final boolean useDefaultConfiguration) throws Exception {
allBeansTest(JSONConfiguration.DEFAULT, properties, beans, useDefaultConfiguration);
}
public synchronized void allBeansTest(JSONConfiguration configuration,
final Map<String, Object> properties,
final Collection<Object> beans,
final boolean useDefaultConfiguration) throws Exception {
for (Object originalBean : beans) {
if (!useDefaultConfiguration && JSONConfiguration.Notation.MAPPED.equals(configuration.getNotation())) {
final JSONConfiguration.MappedBuilder builder
= (JSONConfiguration.MappedBuilder) JSONConfiguration.copyBuilder(configuration);
builder.arrays(getArrayElements(originalBean));
builder.nonStrings(getNonStringElements(originalBean));
configuration = builder.build();
}
final Class<? extends Object> beanClass = originalBean.getClass();
final Class<?>[] classesToBeBound = {beanClass};
JSONJAXBContext context = properties.isEmpty() ?
new JSONJAXBContext(configuration, classesToBeBound) : new JSONJAXBContext(classesToBeBound, properties);
JSONMarshaller marshaller = context.createJSONMarshaller();
JSONUnmarshaller unmarshaller = context.createJSONUnmarshaller();
printAsXml(originalBean);
StringWriter sWriter = new StringWriter();
marshaller.marshallToJSON(originalBean, sWriter);
System.out.println(sWriter.toString());
final Object actual = unmarshaller.unmarshalFromJSON(new StringReader(sWriter.toString()), beanClass);
if (useDefaultConfiguration) {
// let know the bean that the old approach (instance with empty properties -> 'null') is being tested so it should
// handle the equals method a little bit different
try {
final Method useOldApproachMethod = beanClass.getMethod("setUseOldApproach", boolean.class);
useOldApproachMethod.invoke(originalBean, true);
useOldApproachMethod.invoke(actual, true);
} catch (Exception e) {
// Ignore this - if this invocation fails the test will fail as well.
}
}
assertEquals(originalBean, actual);
}
}
private String[] getArrayElements(final Object originalBean) {
return getBeanElements(originalBean, "getArrayElements");
}
private String[] getNonStringElements(final Object originalBean) {
return getBeanElements(originalBean, "getNonStringElements");
}
private String[] getBeanElements(final Object originalBean, final String methodToInvoke) {
try {
final Method method = originalBean.getClass().getDeclaredMethod(methodToInvoke);
Object arrays = method.invoke(null);
return arrays instanceof String[] ? (String[]) arrays : new String[0];
} catch (Exception e) {
return new String[0];
}
}
private void printAsXml(Object originalBean) throws JAXBException, PropertyException {
System.out.println("Checking " + originalBean.toString());
JAXBContext ctx = JAXBContext.newInstance(originalBean.getClass());
Marshaller m = ctx.createMarshaller();
m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
m.marshal(originalBean, System.out);
}
}