/**
* 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.
*/
package org.apache.camel.dataformat.xstream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.converters.Converter;
import com.thoughtworks.xstream.converters.MarshallingContext;
import com.thoughtworks.xstream.converters.UnmarshallingContext;
import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.model.dataformat.XStreamDataFormat;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
/**
* Marshal tests with domain objects.
*/
public class XStreamConfigurationTest extends CamelTestSupport {
private static volatile boolean constructorInjected;
private static volatile boolean methodInjected;
@Override
public void setUp() throws Exception {
super.setUp();
constructorInjected = false;
methodInjected = false;
}
public void testXStreamInjection() {
assertTrue(constructorInjected);
assertTrue(methodInjected);
}
@Test
public void testCustomMarshalDomainObject() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(2);
PurchaseOrder order = new PurchaseOrder();
order.setName("Tiger");
order.setAmount(1);
order.setPrice(99.95);
List<Double> list = new ArrayList<Double>();
list.add(11.5);
list.add(97.5);
String ordereString = "<?xml version='1.0' encoding='UTF-8'?>" + "<purchase-order name=\"Tiger\" price=\"99.95\" amount=\"1.0\"/>";
mock.expectedBodiesReceived(new Object[] {ordereString, order});
this.template.sendBody("direct:marshal", order);
this.template.sendBody("direct:unmarshal", ordereString);
mock.assertIsSatisfied();
}
@Test
public void testCustomMarshalDomainObjectWithImplicit() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(2);
PurchaseHistory history = new PurchaseHistory();
List<Double> list = new ArrayList<Double>();
list.add(11.5);
list.add(97.5);
history.setHistory(list);
String ordereString = "<?xml version='1.0' encoding='UTF-8'?>" + "<org.apache.camel.dataformat.xstream.PurchaseHistory>"
+ "<double>11.5</double><double>97.5</double>" + "</org.apache.camel.dataformat.xstream.PurchaseHistory>";
mock.expectedBodiesReceived(new Object[] {ordereString, history});
this.template.sendBody("direct:marshal", history);
this.template.sendBody("direct:unmarshal", ordereString);
mock.assertIsSatisfied();
}
@Test
public void testCustomMarshalDomainObjectJson() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(2);
PurchaseOrder order = new PurchaseOrder();
order.setName("Tiger");
order.setAmount(1);
order.setPrice(99.95);
List<Double> list = new ArrayList<Double>();
list.add(11.5);
list.add(97.5);
String ordereString = "{\"purchase-order\":{\"@name\":\"Tiger\",\"@price\":\"99.95\",\"@amount\":\"1.0\"}}";
mock.expectedBodiesReceived(new Object[] {ordereString, order});
this.template.sendBody("direct:marshal-json", order);
this.template.sendBody("direct:unmarshal-json", ordereString);
mock.assertIsSatisfied();
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
XStreamDataFormat xstreamDefinition = new XStreamDataFormat();
Map<String, String> aliases = new HashMap<String, String>();
aliases.put("purchase-order", PurchaseOrder.class.getName());
xstreamDefinition.setAliases(aliases);
List<String> converters = new ArrayList<String>();
converters.add(PurchaseOrderConverter.class.getName());
converters.add(CheckMethodInjection.class.getName());
converters.add(CheckConstructorInjection.class.getName());
xstreamDefinition.setConverters(converters);
Map<String, String[]> implicits = new HashMap<String, String[]>();
implicits.put(PurchaseHistory.class.getName(), new String[] {"history"});
xstreamDefinition.setImplicitCollections(implicits);
from("direct:marshal").marshal(xstreamDefinition).to("mock:result");
from("direct:unmarshal").unmarshal(xstreamDefinition).to("mock:result");
xstreamDefinition = new XStreamDataFormat();
xstreamDefinition.setDriver("json");
aliases = new HashMap<String, String>();
aliases.put("purchase-order", PurchaseOrder.class.getName());
xstreamDefinition.setAliases(aliases);
converters = new ArrayList<String>();
converters.add(PurchaseOrderConverter.class.getName());
xstreamDefinition.setConverters(converters);
from("direct:marshal-json").marshal(xstreamDefinition).to("mock:result");
from("direct:unmarshal-json").unmarshal(xstreamDefinition).to("mock:result");
}
};
}
public static class PurchaseOrderConverter implements Converter {
public boolean canConvert(Class type) {
return PurchaseOrder.class.isAssignableFrom(type);
}
public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
PurchaseOrder order = new PurchaseOrder();
order.setName(reader.getAttribute("name"));
order.setPrice(Double.parseDouble(reader.getAttribute("price")));
order.setAmount(Double.parseDouble(reader.getAttribute("amount")));
return order;
}
public void marshal(Object object, HierarchicalStreamWriter writer, MarshallingContext context) {
writer.addAttribute("name", ((PurchaseOrder) object).getName());
writer.addAttribute("price", Double.toString(((PurchaseOrder) object).getPrice()));
writer.addAttribute("amount", Double.toString(((PurchaseOrder) object).getAmount()));
}
}
public static class CheckConstructorInjection implements Converter {
public CheckConstructorInjection(XStream xstream) {
if (xstream != null) {
constructorInjected = true;
} else {
throw new RuntimeException("XStream should not be null");
}
}
public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
}
public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
return null;
}
public boolean canConvert(Class type) {
return false;
}
}
public static class CheckMethodInjection implements Converter {
public CheckMethodInjection() {
}
public void setXStream(XStream xstream) {
if (xstream != null) {
methodInjected = true;
} else {
throw new RuntimeException("XStream should not be null");
}
}
public void marshal(Object source, HierarchicalStreamWriter writer, MarshallingContext context) {
}
public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
return null;
}
public boolean canConvert(Class type) {
return false;
}
}
}