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Atom Feed HttpMessageConverter

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This commit is contained in:
Arjen Poutsma
2010-03-05 14:32:36 +00:00
parent c91ff130d5
commit 5303ab68aa
10 changed files with 520 additions and 0 deletions
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130
org.springframework.web/src/test/java/org/springframework/http/converter/feed/AtomFeedHttpMessageConverterTests.java Normal file
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/*
* Copyright 2002-2010 the original author or authors.
*
* Licensed 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.springframework.http.converter.feed;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import com.sun.syndication.feed.atom.Entry;
import com.sun.syndication.feed.atom.Feed;
import static org.custommonkey.xmlunit.XMLAssert.*;
import org.custommonkey.xmlunit.XMLUnit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Before;
import org.junit.Test;
import org.xml.sax.SAXException;
import org.springframework.http.MediaType;
import org.springframework.http.MockHttpInputMessage;
import org.springframework.http.MockHttpOutputMessage;
/** @author Arjen Poutsma */
public class AtomFeedHttpMessageConverterTests {
private AtomFeedHttpMessageConverter converter;
private Charset utf8;
@Before
public void setUp() {
utf8 = Charset.forName("UTF-8");
converter = new AtomFeedHttpMessageConverter();
XMLUnit.setIgnoreWhitespace(true);
}
@Test
public void canRead() {
assertTrue(converter.canRead(Feed.class, new MediaType("application", "atom+xml")));
assertTrue(converter.canRead(Feed.class, new MediaType("application", "atom+xml", utf8)));
}
@Test
public void canWrite() {
assertTrue(converter.canWrite(Feed.class, new MediaType("application", "atom+xml")));
assertTrue(converter.canWrite(Feed.class, new MediaType("application", "atom+xml", Charset.forName("UTF-8"))));
}
@Test
public void read() throws IOException {
InputStream is = getClass().getResourceAsStream("atom.xml");
MockHttpInputMessage inputMessage = new MockHttpInputMessage(is);
inputMessage.getHeaders().setContentType(new MediaType("application", "atom+xml", utf8));
Feed result = converter.read(Feed.class, inputMessage);
assertEquals("title", result.getTitle());
assertEquals("subtitle", result.getSubtitle().getValue());
List entries = result.getEntries();
assertEquals(2, entries.size());
Entry entry1 = (Entry) entries.get(0);
assertEquals("id1", entry1.getId());
assertEquals("title1", entry1.getTitle());
Entry entry2 = (Entry) entries.get(1);
assertEquals("id2", entry2.getId());
assertEquals("title2", entry2.getTitle());
}
@Test
public void write() throws IOException, SAXException {
Feed feed = new Feed("atom_1.0");
feed.setTitle("title");
Entry entry1 = new Entry();
entry1.setId("id1");
entry1.setTitle("title1");
Entry entry2 = new Entry();
entry2.setId("id2");
entry2.setTitle("title2");
List entries = new ArrayList(2);
entries.add(entry1);
entries.add(entry2);
feed.setEntries(entries);
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
converter.write(feed, null, outputMessage);
assertEquals("Invalid content-type", new MediaType("application", "atom+xml", utf8),
outputMessage.getHeaders().getContentType());
String expected = "<feed xmlns=\"http://www.w3.org/2005/Atom\">" + "<title>title</title>" +
"<entry><id>id1</id><title>title1</title></entry>" +
"<entry><id>id2</id><title>title2</title></entry></feed>";
assertXMLEqual(expected, outputMessage.getBodyAsString(utf8));
}
@Test
public void writeOtherCharset() throws IOException, SAXException {
Feed feed = new Feed("atom_1.0");
feed.setTitle("title");
String encoding = "ISO-8859-1";
feed.setEncoding(encoding);
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
converter.write(feed, null, outputMessage);
assertEquals("Invalid content-type", new MediaType("application", "atom+xml", Charset.forName(encoding)),
outputMessage.getHeaders().getContentType());
}
}

138
org.springframework.web/src/test/java/org/springframework/http/converter/feed/RssChannelHttpMessageConverterTests.java Normal file
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/*
* Copyright 2002-2010 the original author or authors.
*
* Licensed 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.springframework.http.converter.feed;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import com.sun.syndication.feed.rss.Channel;
import com.sun.syndication.feed.rss.Item;
import static org.custommonkey.xmlunit.XMLAssert.*;
import org.custommonkey.xmlunit.XMLUnit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Before;
import org.junit.Test;
import org.xml.sax.SAXException;
import org.springframework.http.MediaType;
import org.springframework.http.MockHttpInputMessage;
import org.springframework.http.MockHttpOutputMessage;
/** @author Arjen Poutsma */
public class RssChannelHttpMessageConverterTests {
private RssChannelHttpMessageConverter converter;
private Charset utf8;
@Before
public void setUp() {
utf8 = Charset.forName("UTF-8");
converter = new RssChannelHttpMessageConverter();
XMLUnit.setIgnoreWhitespace(true);
}
@Test
public void canRead() {
assertTrue(converter.canRead(Channel.class, new MediaType("application", "rss+xml")));
assertTrue(converter.canRead(Channel.class, new MediaType("application", "rss+xml", utf8)));
}
@Test
public void canWrite() {
assertTrue(converter.canWrite(Channel.class, new MediaType("application", "rss+xml")));
assertTrue(converter.canWrite(Channel.class, new MediaType("application", "rss+xml", Charset.forName("UTF-8"))));
}
@Test
public void read() throws IOException {
InputStream is = getClass().getResourceAsStream("rss.xml");
MockHttpInputMessage inputMessage = new MockHttpInputMessage(is);
inputMessage.getHeaders().setContentType(new MediaType("application", "rss+xml", utf8));
Channel result = converter.read(Channel.class, inputMessage);
assertEquals("title", result.getTitle());
assertEquals("http://example.com", result.getLink());
assertEquals("description", result.getDescription());
List items = result.getItems();
assertEquals(2, items.size());
Item item1 = (Item) items.get(0);
assertEquals("title1", item1.getTitle());
Item item2 = (Item) items.get(1);
assertEquals("title2", item2.getTitle());
}
@Test
public void write() throws IOException, SAXException {
Channel channel = new Channel("rss_2.0");
channel.setTitle("title");
channel.setLink("http://example.com");
channel.setDescription("description");
Item item1 = new Item();
item1.setTitle("title1");
Item item2 = new Item();
item2.setTitle("title2");
List items = new ArrayList(2);
items.add(item1);
items.add(item2);
channel.setItems(items);
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
converter.write(channel, null, outputMessage);
assertEquals("Invalid content-type", new MediaType("application", "rss+xml", utf8),
outputMessage.getHeaders().getContentType());
String expected = "<rss version=\"2.0\">" +
"<channel><title>title</title><link>http://example.com</link><description>description</description>" +
"<item><title>title1</title></item>" +
"<item><title>title2</title></item>" +
"</channel></rss>";
assertXMLEqual(expected, outputMessage.getBodyAsString(utf8));
}
@Test
public void writeOtherCharset() throws IOException, SAXException {
Channel channel = new Channel("rss_2.0");
channel.setTitle("title");
channel.setLink("http://example.com");
channel.setDescription("description");
String encoding = "ISO-8859-1";
channel.setEncoding(encoding);
Item item1 = new Item();
item1.setTitle("title1");
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
converter.write(channel, null, outputMessage);
assertEquals("Invalid content-type", new MediaType("application", "rss+xml", Charset.forName(encoding)),
outputMessage.getHeaders().getContentType());
}
}

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org.springframework.web/src/test/resources/org/springframework/http/converter/feed/atom.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.w3.org/2005/Atom http://www.kbcafe.com/rss/atom.xsd.xml">
<title>title</title>
<subtitle>subtitle</subtitle>
<entry>
<id>id1</id>
<title>title1</title>
</entry>
<entry>
<id>id2</id>
<title>title2</title>
</entry>
</feed>

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org.springframework.web/src/test/resources/org/springframework/http/converter/feed/rss.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0">
<channel>
<title>title</title>
<link>http://example.com</link>
<description>description</description>
<item>
<title>title1</title>
</item>
<item>
<title>title2</title>
</item>
</channel>
</rss>