/**
* 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.xmljson;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.w3c.dom.Document;
import net.sf.json.JSONObject;
import net.sf.json.JSONSerializer;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.Test;
/**
* Testing options to the XML JSON data format
*/
public class XmlJsonOptionsTest extends AbstractJsonTestSupport {
@Test
public void testSomeOptionsToJSON() throws Exception {
InputStream inStream = getClass().getClassLoader().getResourceAsStream("org/apache/camel/dataformat/xmljson/testMessage1.xml");
String in = context.getTypeConverter().convertTo(String.class, inStream);
MockEndpoint mockJSON = getMockEndpoint("mock:json");
mockJSON.expectedMessageCount(1);
mockJSON.message(0).body().isInstanceOf(byte[].class);
Object json = template.requestBody("direct:marshal", in);
String jsonString = context.getTypeConverter().convertTo(String.class, json);
JSONObject obj = (JSONObject) JSONSerializer.toJSON(jsonString);
assertEquals("JSON must contain 1 top-level element", 1, obj.entrySet().size());
assertTrue("Top-level element must be named root", obj.has("root"));
mockJSON.assertIsSatisfied();
}
@Test
public void testXmlWithTypeAttributesToJSON() throws Exception {
InputStream inStream = getClass().getClassLoader().getResourceAsStream("org/apache/camel/dataformat/xmljson/testMessage4.xml");
String in = context.getTypeConverter().convertTo(String.class, inStream);
MockEndpoint mockJSON = getMockEndpoint("mock:json");
mockJSON.expectedMessageCount(1);
mockJSON.message(0).body().isInstanceOf(byte[].class);
Object json = template.requestBody("direct:marshal", in);
String jsonString = context.getTypeConverter().convertTo(String.class, json);
JSONObject obj = (JSONObject) JSONSerializer.toJSON(jsonString);
assertEquals("JSON must contain 1 top-level element", 1, obj.entrySet().size());
assertTrue("Top-level element must be named root", obj.has("root"));
mockJSON.assertIsSatisfied();
}
@Test
public void testSomeOptionsToXML() throws Exception {
InputStream inStream = getClass().getClassLoader().getResourceAsStream("org/apache/camel/dataformat/xmljson/testMessage1.json");
String in = context.getTypeConverter().convertTo(String.class, inStream);
MockEndpoint mockXML = getMockEndpoint("mock:xml");
mockXML.expectedMessageCount(1);
mockXML.message(0).body().isInstanceOf(String.class);
Object marshalled = template.requestBody("direct:unmarshal", in);
Document document = context.getTypeConverter().convertTo(Document.class, marshalled);
assertEquals("The XML document doesn't carry newRoot as the root name", "newRoot", document.getDocumentElement().getLocalName());
// with expandable properties, array elements are converted to XML as a
// sequence of repetitive XML elements with the local name equal to the
// JSON key
// for example: { number: [1,2,3] }, normally converted to:
// <number><e>1</e><e>2</e><e>3</e></number> (where e can be modified by
// setting elementName)
// would be converted to
// <number>1</number><number>2</number><number>3</number>, if number is
// set as an expandable property
assertEquals("The number of direct child elements of newRoot with tag d (expandable property) is not 3", 3, document.getDocumentElement().getElementsByTagName("d").getLength());
assertEquals("The number of direct child elements of newRoot with tag e (expandable property) is not 3", 3, document.getDocumentElement().getElementsByTagName("e").getLength());
mockXML.assertIsSatisfied();
}
@Test
public void testNamespacesDropped() throws Exception {
InputStream inStream = getClass().getClassLoader().getResourceAsStream("org/apache/camel/dataformat/xmljson/testMessage2-namespaces.xml");
String in = context.getTypeConverter().convertTo(String.class, inStream);
MockEndpoint mockJSON = getMockEndpoint("mock:json");
mockJSON.expectedMessageCount(1);
mockJSON.message(0).body().isInstanceOf(byte[].class);
Object json = template.requestBody("direct:marshal", in);
String jsonString = context.getTypeConverter().convertTo(String.class, json);
JSONObject obj = (JSONObject) JSONSerializer.toJSON(jsonString);
assertEquals("JSON must contain 1 top-level element", 1, obj.entrySet().size());
assertTrue("Top-level element must be named root", obj.has("root"));
// check that no child of the top-level element has a colon in its key,
// which would denote that
// a namespace prefix exists
for (Object key : obj.getJSONObject("root").keySet()) {
assertFalse("A key contains a colon", ((String) key).contains(":"));
}
mockJSON.assertIsSatisfied();
}
@Test
public void testCustomNamespaceMappings() throws Exception {
InputStream inStream = getClass().getClassLoader().getResourceAsStream("org/apache/camel/dataformat/xmljson/testMessage2-namespaces.json");
String in = context.getTypeConverter().convertTo(String.class, inStream);
MockEndpoint mockXML = getMockEndpoint("mock:xmlNS");
mockXML.expectedMessageCount(1);
mockXML.message(0).body().isInstanceOf(String.class);
Object marshalled = template.requestBody("direct:unmarshalNS", in);
Document document = context.getTypeConverter().convertTo(Document.class, marshalled);
assertEquals("Element surname must be qualified in the default namespace", "http://camel.apache.org/default", document.getDocumentElement().getElementsByTagName("surname").item(0)
.getNamespaceURI());
assertEquals("Root element must be qualified in the default namespace", "http://camel.apache.org/default", document.getDocumentElement().getNamespaceURI());
assertEquals("Element surname must have namespace attributes", 2, document.getDocumentElement().getElementsByTagName("surname").item(0).getAttributes().getLength());
assertEquals("Root element must have namespace attributes", 2, document.getDocumentElement().getAttributes().getLength());
mockXML.assertIsSatisfied();
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
XmlJsonDataFormat format = new XmlJsonDataFormat();
format.setEncoding("UTF-8");
format.setForceTopLevelObject(true);
format.setTrimSpaces(true);
format.setRootName("newRoot");
format.setSkipNamespaces(true);
format.setRemoveNamespacePrefixes(true);
format.setExpandableProperties(Arrays.asList("d", "e"));
// from XML to JSON
from("direct:marshal").marshal(format).to("mock:json");
// from JSON to XML
from("direct:unmarshal").unmarshal(format).to("mock:xml");
XmlJsonDataFormat namespacesFormat = new XmlJsonDataFormat();
List<XmlJsonDataFormat.NamespacesPerElementMapping> namespaces = new ArrayList<XmlJsonDataFormat.NamespacesPerElementMapping>();
namespaces.add(new XmlJsonDataFormat.NamespacesPerElementMapping("", "|ns1|http://camel.apache.org/test1||http://camel.apache.org/default|"));
namespaces.add(new XmlJsonDataFormat.NamespacesPerElementMapping("surname", "|ns2|http://camel.apache.org/personalData|ns3|http://camel.apache.org/personalData2|"));
namespacesFormat.setNamespaceMappings(namespaces);
namespacesFormat.setTrimSpaces(true);
// from XML to JSON
from("direct:marshalNS").marshal(namespacesFormat).to("mock:jsonNS");
// from JSON to XML
from("direct:unmarshalNS").unmarshal(namespacesFormat).to("mock:xmlNS");
}
};
}
}