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Issue 77: added get flavor details 

git-svn-id: http://jclouds.googlecode.com/svn/trunk@1645 3d8758e0-26b5-11de-8745-db77d3ebf521
This commit is contained in:
adrian.f.cole 2009-07-18 14:53:47 +00:00
parent 5a548f5a7e
commit 4842055443
8 changed files with 205 additions and 0 deletions
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17
rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/CloudServersConnection.java
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@ -34,10 +34,12 @@ import javax.ws.rs.PathParam;
import org.jclouds.rackspace.cloudservers.domain.Flavor;
import org.jclouds.rackspace.cloudservers.domain.Image;
import org.jclouds.rackspace.cloudservers.domain.Server;
import org.jclouds.rackspace.cloudservers.functions.ParseFlavorFromGsonResponse;
import org.jclouds.rackspace.cloudservers.functions.ParseFlavorListFromGsonResponse;
import org.jclouds.rackspace.cloudservers.functions.ParseImageFromGsonResponse;
import org.jclouds.rackspace.cloudservers.functions.ParseImageListFromGsonResponse;
import org.jclouds.rackspace.cloudservers.functions.ParseServerListFromGsonResponse;
import org.jclouds.rackspace.cloudservers.functions.ReturnFlavorNotFoundOn404;
import org.jclouds.rackspace.cloudservers.functions.ReturnImageNotFoundOn404;
import org.jclouds.rackspace.filters.AuthenticateRequest;
import org.jclouds.rest.ExceptionParser;
@ -156,4 +158,19 @@ public interface CloudServersConnection {
// (400)
Image getImageDetails(@PathParam("id") int id);
/**
*
* This operation returns details of the specified flavor.
*
* @see Flavor
*/
@GET
@ResponseParser(ParseFlavorFromGsonResponse.class)
@Query(key = "format", value = "json")
@ExceptionParser(ReturnFlavorNotFoundOn404.class)
@Path("/flavors/{id}")
// TODO: cloudServersFault (400, 500), serviceUnavailable (503), unauthorized (401), badRequest
// (400)
Flavor getFlavorDetails(@PathParam("id") int id);
}

2
rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/domain/Flavor.java
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@ -33,6 +33,8 @@ package org.jclouds.rackspace.cloudservers.domain;
*/
public class Flavor {
public static final Flavor NOT_FOUND = new Flavor(-1, "NOT_FOUND");
public Flavor() {
}

60
rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseFlavorFromGsonResponse.java Normal file
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@ -0,0 +1,60 @@
/**
*
* Copyright (C) 2009 Global Cloud Specialists, Inc. <info@globalcloudspecialists.com>
*
* ====================================================================
* 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.jclouds.rackspace.cloudservers.functions;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import org.jclouds.http.functions.ParseJson;
import org.jclouds.rackspace.cloudservers.domain.Flavor;
import com.google.gson.Gson;
import com.google.inject.Inject;
/**
* This parses {@link Flavor} from a gson string.
*
* @author Adrian Cole
*/
public class ParseFlavorFromGsonResponse extends ParseJson<Flavor> {
@Inject
public ParseFlavorFromGsonResponse(Gson gson) {
super(gson);
}
private static class FlavorListResponse {
Flavor flavor;
}
public Flavor apply(InputStream stream) {
try {
return gson.fromJson(new InputStreamReader(stream, "UTF-8"), FlavorListResponse.class).flavor;
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("jclouds requires UTF-8 encoding", e);
}
}
}

25
rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ReturnFlavorNotFoundOn404.java Normal file
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@ -0,0 +1,25 @@
package org.jclouds.rackspace.cloudservers.functions;
import org.jclouds.http.HttpResponseException;
import org.jclouds.rackspace.cloudservers.domain.Flavor;
import com.google.common.base.Function;
/**
*
*
* @author Adrian Cole
*/
public class ReturnFlavorNotFoundOn404 implements Function<Exception, Flavor> {
public Flavor apply(Exception from) {
if (from instanceof HttpResponseException) {
HttpResponseException responseException = (HttpResponseException) from;
if (responseException.getResponse().getStatusCode() == 404) {
return Flavor.NOT_FOUND;
}
}
return null;
}
}

13
rackspace/cloudservers/core/src/test/java/org/jclouds/rackspace/cloudservers/CloudServersConnectionLiveTest.java
View File

@ -140,4 +140,17 @@ public class CloudServersConnectionLiveTest {
assert image.equals(newDetails) : String.format("%s doesn't equal %2", newDetails, image);
}
}
@Test
public void testGetFlavorDetails() throws Exception {
List<Flavor> response = connection.listFlavorDetails();
assert null != response;
long flavorCount = response.size();
assertTrue(flavorCount >= 0);
for (Flavor flavor : response) {
Flavor newDetails = connection.getFlavorDetails(flavor.getId());
assert flavor.equals(newDetails) : String
.format("%s doesn't equal %2", newDetails, flavor);
}
}
}

17
rackspace/cloudservers/core/src/test/java/org/jclouds/rackspace/cloudservers/CloudServersConnectionTest.java
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@ -34,6 +34,7 @@ import org.jclouds.http.HttpMethod;
import org.jclouds.http.HttpRequest;
import org.jclouds.http.config.JavaUrlHttpCommandExecutorServiceModule;
import org.jclouds.rackspace.Authentication;
import org.jclouds.rackspace.cloudservers.functions.ParseFlavorFromGsonResponse;
import org.jclouds.rackspace.cloudservers.functions.ParseFlavorListFromGsonResponse;
import org.jclouds.rackspace.cloudservers.functions.ParseImageFromGsonResponse;
import org.jclouds.rackspace.cloudservers.functions.ParseImageListFromGsonResponse;
@ -169,6 +170,22 @@ public class CloudServersConnectionTest {
}
public void testGetFlavorDetails() throws SecurityException, NoSuchMethodException {
Method method = CloudServersConnection.class.getMethod("getFlavorDetails", int.class);
URI endpoint = URI.create("http://localhost");
HttpRequest httpMethod = factory.create(CloudServersConnection.class).createRequest(endpoint,
method, new Object[] { 2 });
assertEquals(httpMethod.getEndpoint().getHost(), "localhost");
assertEquals(httpMethod.getEndpoint().getPath(), "/flavors/2");
assertEquals(httpMethod.getEndpoint().getQuery(), "format=json");
assertEquals(httpMethod.getMethod(), HttpMethod.GET);
assertEquals(httpMethod.getHeaders().size(), 0);
factory.create(CloudServersConnection.class);
assertEquals(JaxrsAnnotationProcessor.getParserOrThrowException(method),
ParseFlavorFromGsonResponse.class);
}
@BeforeClass
void setupFactory() {
factory = Guice.createInjector(new AbstractModule() {

63
rackspace/cloudservers/core/src/test/java/org/jclouds/rackspace/cloudservers/functions/ParseFlavorFromGsonResponseTest.java Normal file
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@ -0,0 +1,63 @@
/**
*
* Copyright (C) 2009 Global Cloud Specialists, Inc. <info@globalcloudspecialists.com>
*
* ====================================================================
* 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.jclouds.rackspace.cloudservers.functions;
import static org.testng.Assert.assertEquals;
import java.io.InputStream;
import java.net.UnknownHostException;
import org.jclouds.http.functions.config.ParserModule;
import org.jclouds.rackspace.cloudservers.domain.Flavor;
import org.jclouds.util.DateService;
import org.testng.annotations.Test;
import com.google.gson.Gson;
import com.google.inject.Guice;
import com.google.inject.Injector;
/**
* Tests behavior of {@code ParseFlavorFromGsonResponse}
*
* @author Adrian Cole
*/
@Test(groups = "unit", testName = "cloudservers.ParseFlavorFromGsonResponseTest")
public class ParseFlavorFromGsonResponseTest {
Injector i = Guice.createInjector(new ParserModule());
DateService dateService = new DateService();
public void testApplyInputStreamDetails() throws UnknownHostException {
InputStream is = getClass().getResourceAsStream("/test_get_flavor_details.json");
ParseFlavorFromGsonResponse parser = new ParseFlavorFromGsonResponse(i
.getInstance(Gson.class));
Flavor response = parser.apply(is);
assertEquals(response.getId(), 1);
assertEquals(response.getName(), "256 MB Server");
assertEquals(response.getRam(), new Integer(256));
assertEquals(response.getDisk(), new Integer(10));
}
}

8
rackspace/cloudservers/core/src/test/resources/test_get_flavor_details.json Normal file
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@ -0,0 +1,8 @@
{
"flavor" : {
"id" : 1,
"name" : "256 MB Server",
"ram" : 256,
"disk" : 10
}
}