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/*-
* ============LICENSE_START=======================================================
* 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.
* ============LICENSE_END=========================================================
*/
package com.woorea.openstack.connector;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.Provider;
import com.fasterxml.jackson.annotation.JsonRootName;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.jaxrs.json.JacksonJaxbJsonProvider;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.UniformInterfaceException;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.client.impl.ClientRequestImpl;
import com.sun.jersey.core.header.OutBoundHeaders;
import com.woorea.openstack.base.client.OpenStackClientConnector;
import com.woorea.openstack.base.client.OpenStackRequest;
import com.woorea.openstack.base.client.OpenStackResponse;
import com.woorea.openstack.base.client.OpenStackResponseException;
public class JerseyConnector implements OpenStackClientConnector {
protected Client client = null;
protected boolean logPassword;
private JerseyLoggingFilter logger = new JerseyLoggingFilter(Logger.getLogger("os"));
public JerseyConnector() {
ClientConfig clientConfig = new DefaultClientConfig();
clientConfig.getClasses().add(JacksonJaxbJsonProvider.class);
clientConfig.getClasses().add(OpenStackObjectMapper.class);
client = Client.create(clientConfig);
}
@Override
public <T> OpenStackResponse request(OpenStackRequest<T> request) {
WebResource target = client.resource(request.endpoint()).path(request.path());
for(Map.Entry<String, List<Object> > entry : request.queryParams().entrySet()) {
for (Object o : entry.getValue()) {
target = target.queryParam(entry.getKey(), String.valueOf(o));
}
}
target.addFilter(logger);
MultivaluedMap<String, Object> headers = new OutBoundHeaders();
for(Map.Entry<String, List<Object>> h : request.headers().entrySet()) {
for(Object v : h.getValue()) {
headers.add(h.getKey(), v);
}
}
if(request.entity() != null && request.entity().getContentType() != null) {
headers.add("Content-Type", request.entity().getContentType());
} else {
headers.add("Content-Type", "application/json");
}
try {
ClientResponse response;
if (request.entity() != null && request.entity().getEntity() != null) {
response = target.getHeadHandler().handle(new ClientRequestImpl(target.getURI(), request.method().name(), request.entity().getEntity(), headers));
} else {
response = target.getHeadHandler().handle(new ClientRequestImpl(target.getURI(), request.method().name(), null, headers));
}
return new JerseyResponse(response);
} catch (UniformInterfaceException e) {
throw new OpenStackResponseException(e.getResponse().getClientResponseStatus().getReasonPhrase(), e.getResponse().getStatus());
}
}
@Provider
public static class OpenStackObjectMapper implements ContextResolver<ObjectMapper> {
static ObjectMapper DEFAULT_MAPPER;
static ObjectMapper WRAPPED_MAPPER;
static {
DEFAULT_MAPPER = new ObjectMapper();
DEFAULT_MAPPER.setSerializationInclusion(Include.NON_NULL);
DEFAULT_MAPPER.enable(SerializationFeature.INDENT_OUTPUT);
DEFAULT_MAPPER.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
DEFAULT_MAPPER.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
DEFAULT_MAPPER.enable(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT);
WRAPPED_MAPPER = new ObjectMapper();
WRAPPED_MAPPER.setSerializationInclusion(Include.NON_NULL);
WRAPPED_MAPPER.enable(SerializationFeature.INDENT_OUTPUT);
WRAPPED_MAPPER.enable(SerializationFeature.WRAP_ROOT_VALUE);
WRAPPED_MAPPER.enable(DeserializationFeature.UNWRAP_ROOT_VALUE);
WRAPPED_MAPPER.enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
WRAPPED_MAPPER.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
WRAPPED_MAPPER.enable(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT);
}
@Override
public ObjectMapper getContext(Class<?> type) {
return type.getAnnotation(JsonRootName.class) == null ? DEFAULT_MAPPER : WRAPPED_MAPPER;
}
}
}
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