/**
* 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.cxf.jaxrs.provider;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.StringReader;
import java.lang.annotation.Annotation;
import java.util.Collections;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.ext.MessageBodyReader;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.stream.XMLStreamReader;
import javax.xml.transform.Source;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.w3c.dom.Document;
import org.apache.cxf.jaxrs.ext.MessageContext;
import org.apache.cxf.jaxrs.ext.MessageContextImpl;
import org.apache.cxf.jaxrs.impl.MetadataMap;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.staxutils.StaxSource;
import org.apache.cxf.staxutils.StaxUtils;
import org.apache.cxf.staxutils.transform.InTransformReader;
import org.junit.Assert;
import org.junit.Test;
public class SourceProviderTest extends Assert {
@Test
public void testIsWriteable() {
SourceProvider<Source> p = new SourceProvider<Source>();
assertTrue(p.isWriteable(StreamSource.class, null, null, null)
&& p.isWriteable(DOMSource.class, null, null, null)
&& p.isWriteable(Source.class, null, null, null));
}
@Test
public void testIsReadable() {
SourceProvider<Source> p = new SourceProvider<Source>();
assertTrue(p.isReadable(StreamSource.class, null, null, null)
&& p.isReadable(DOMSource.class, null, null, null)
&& p.isReadable(Source.class, null, null, null));
}
@Test
public void testReadFrom() throws Exception {
SourceProvider<Object> p = new TestSourceProvider<Object>();
assertSame(StreamSource.class, verifyRead(p, StreamSource.class).getClass());
assertSame(StaxSource.class, verifyRead(p, Source.class).getClass());
assertSame(StaxSource.class, verifyRead(p, SAXSource.class).getClass());
assertSame(StaxSource.class, verifyRead(p, StaxSource.class).getClass());
assertSame(DOMSource.class, verifyRead(p, DOMSource.class).getClass());
assertTrue(Document.class.isAssignableFrom(verifyRead(p, Document.class).getClass()));
}
@Test
public void testReadFromStreamReader() throws Exception {
TestSourceProvider<Source> p = new TestSourceProvider<Source>();
InputStream is = new ByteArrayInputStream("<test xmlns=\"http://bar\"/>".getBytes());
XMLStreamReader reader = StaxUtils.createXMLStreamReader(is);
reader = new InTransformReader(reader,
Collections.singletonMap("{http://bar}test", "test2"),
null,
null,
null,
false);
p.getMessage().setContent(XMLStreamReader.class, reader);
Source source = p.readFrom(Source.class,
null, null, null, null, is);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
TransformerFactory transformerFactory = TransformerFactory.newInstance();
transformerFactory.setFeature(javax.xml.XMLConstants.FEATURE_SECURE_PROCESSING, true);
transformerFactory.newTransformer().transform(source, new StreamResult(bos));
assertTrue(bos.toString().contains("test2"));
}
@Test
public void testWriteToDocument() throws Exception {
SourceProvider<Document> p = new SourceProvider<Document>();
Document doc = StaxUtils.read(new StringReader("<test/>"));
ByteArrayOutputStream os = new ByteArrayOutputStream();
p.writeTo(doc, Document.class, Document.class,
new Annotation[]{}, MediaType.APPLICATION_JSON_TYPE,
new MetadataMap<String, Object>(), os);
String s = os.toString();
assertEquals("<test/>", s);
}
@Test
public void testReadFromWithPreferredFormat() throws Exception {
TestSourceProvider<Source> p = new TestSourceProvider<Source>();
p.getMessage().put("source-preferred-format", "sax");
assertSame(StaxSource.class, verifyRead(p, Source.class).getClass());
}
@Test
public void testWriteTo() throws Exception {
SourceProvider<Source> p = new TestSourceProvider<Source>();
StreamSource s = new StreamSource(new ByteArrayInputStream("<test/>".getBytes()));
ByteArrayOutputStream os = new ByteArrayOutputStream();
p.writeTo(s, null, null, null, MediaType.APPLICATION_XML_TYPE,
new MetadataMap<String, Object>(), os);
assertTrue(os.toString().contains("<test/>"));
os = new ByteArrayOutputStream();
p.writeTo(createDomSource(), null, null, null, MediaType.APPLICATION_XML_TYPE,
new MetadataMap<String, Object>(), os);
assertTrue(os.toString().contains("<test/>"));
}
private <T> T verifyRead(MessageBodyReader<T> p, Class<?> type) throws Exception {
@SuppressWarnings("unchecked")
Class<T> cls = (Class<T>)type;
return (T)p.readFrom(cls,
null, null, null, null,
new ByteArrayInputStream("<test/>".getBytes()));
}
private DOMSource createDomSource() throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder;
builder = factory.newDocumentBuilder();
return new DOMSource(builder.parse(new ByteArrayInputStream("<test/>".getBytes())));
}
private static class TestSourceProvider<T> extends SourceProvider<T> {
private Message m = new MessageImpl();
TestSourceProvider() {
}
public Message getMessage() {
return m;
}
protected MessageContext getContext() {
return new MessageContextImpl(m);
};
}
}