gerrit.onap Code Review - so/libs.git/blob

   1 package com.woorea.openstack.connector;
   2
   3 import java.util.List;
   4 import java.util.Map;
   5 import java.util.logging.Logger;
   6
   7 import javax.ws.rs.core.MultivaluedMap;
   8 import javax.ws.rs.ext.ContextResolver;
   9 import javax.ws.rs.ext.Provider;
  10
  11 import org.codehaus.jackson.jaxrs.JacksonJaxbJsonProvider;
  12 import org.codehaus.jackson.map.DeserializationConfig;
  13 import org.codehaus.jackson.map.ObjectMapper;
  14 import org.codehaus.jackson.map.SerializationConfig;
  15 import org.codehaus.jackson.map.annotate.JsonRootName;
  16 import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion;
  17
  18 import com.sun.jersey.api.client.Client;
  19 import com.sun.jersey.api.client.ClientResponse;
  20 import com.sun.jersey.api.client.UniformInterfaceException;
  21 import com.sun.jersey.api.client.WebResource;
  22 import com.sun.jersey.api.client.config.ClientConfig;
  23 import com.sun.jersey.api.client.config.DefaultClientConfig;
  24 import com.sun.jersey.client.impl.ClientRequestImpl;
  25 import com.sun.jersey.core.header.OutBoundHeaders;
  26 import com.woorea.openstack.base.client.OpenStackClientConnector;
  27 import com.woorea.openstack.base.client.OpenStackRequest;
  28 import com.woorea.openstack.base.client.OpenStackResponse;
  29 import com.woorea.openstack.base.client.OpenStackResponseException;
  30
  31 public class JerseyConnector implements OpenStackClientConnector {
  32
  33         protected Client client = null;
  34     protected boolean logPassword;
  35     private JerseyLoggingFilter logger = new JerseyLoggingFilter(Logger.getLogger("os"));
  36
  37         public JerseyConnector() {
  38                 ClientConfig clientConfig = new DefaultClientConfig();
  39                 clientConfig.getClasses().add(JacksonJaxbJsonProvider.class);
  40                 clientConfig.getClasses().add(OpenStackObjectMapper.class);
  41                 client = Client.create(clientConfig);
  42         }
  43
  44         @Override
  45         public <T> OpenStackResponse request(OpenStackRequest<T> request) {
  46                 WebResource target = client.resource(request.endpoint()).path(request.path());
  47                 for(Map.Entry<String, List<Object> > entry : request.queryParams().entrySet()) {
  48                         for (Object o : entry.getValue()) {
  49                                 target = target.queryParam(entry.getKey(), String.valueOf(o));
  50                         }
  51                 }
  52                 target.addFilter(logger);
  53                 MultivaluedMap<String, Object> headers = new OutBoundHeaders();
  54                 for(Map.Entry<String, List<Object>> h : request.headers().entrySet()) {
  55                         for(Object v : h.getValue()) {
  56                                 headers.add(h.getKey(), v);
  57                         }
  58                 }
  59                 if(request.entity() != null && request.entity().getContentType() != null) {
  60                         headers.add("Content-Type", request.entity().getContentType());
  61                 } else {
  62                         headers.add("Content-Type", "application/json");
  63                 }
  64                 try {
  65                         ClientResponse response = null;
  66                         if (request.entity() != null && request.entity().getEntity() != null) {
  67                                 response = target.getHeadHandler().handle(new ClientRequestImpl(target.getURI(), request.method().name(), request.entity().getEntity(), headers));
  68                         } else {
  69                                 response = target.getHeadHandler().handle(new ClientRequestImpl(target.getURI(), request.method().name(), null, headers));
  70                         }
  71                         return new JerseyResponse(response);
  72                 } catch (UniformInterfaceException e) {
  73                         throw new OpenStackResponseException(e.getResponse().getClientResponseStatus().getReasonPhrase(), e.getResponse().getStatus());
  74                 }
  75         }
  76
  77         @Provider
  78         public static class OpenStackObjectMapper implements ContextResolver<ObjectMapper> {
  79                 static ObjectMapper DEFAULT_MAPPER;
  80                 static ObjectMapper WRAPPED_MAPPER;
  81                 static {
  82                         DEFAULT_MAPPER = new ObjectMapper();
  83                         DEFAULT_MAPPER.setSerializationInclusion(Inclusion.NON_NULL);
  84                         DEFAULT_MAPPER.enable(SerializationConfig.Feature.INDENT_OUTPUT);
  85                         DEFAULT_MAPPER.enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
  86                         DEFAULT_MAPPER.disable(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES);
  87                         DEFAULT_MAPPER.enable(DeserializationConfig.Feature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT);
  88
  89                         WRAPPED_MAPPER = new ObjectMapper();
  90                         WRAPPED_MAPPER.setSerializationInclusion(Inclusion.NON_NULL);
  91                         WRAPPED_MAPPER.enable(SerializationConfig.Feature.INDENT_OUTPUT);
  92                         WRAPPED_MAPPER.enable(SerializationConfig.Feature.WRAP_ROOT_VALUE);
  93                         WRAPPED_MAPPER.enable(DeserializationConfig.Feature.UNWRAP_ROOT_VALUE);
  94                         WRAPPED_MAPPER.enable(DeserializationConfig.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY);
  95                         WRAPPED_MAPPER.disable(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES);
  96                         WRAPPED_MAPPER.enable(DeserializationConfig.Feature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT);
  97                 }
  98
  99                 @Override
 100                 public ObjectMapper getContext(Class<?> type) {
 101                         return type.getAnnotation(JsonRootName.class) == null ? DEFAULT_MAPPER : WRAPPED_MAPPER;
 102                 }
 103         }
 104 }