marked stateless objects as Singleton

git-svn-id: http://jclouds.googlecode.com/svn/trunk@2015 3d8758e0-26b5-11de-8745-db77d3ebf521

atmosonline/saas/core/src/main/java/org/jclouds/atmosonline/saas/AtmosStorageClient.java

@@ -95,4 +95,13 @@ public interface AtmosStorageClient {
    @ExceptionParser(ThrowKeyNotFoundOn404.class)
    @Path("/rest/namespace/{path}")
    Future<AtmosObject> readFile(@PathParam("path") String path, GetOptions... options);
+
+   // signature currently doesn't work
+   // @POST
+   // @QueryParams(keys = "acl")
+   // @Headers(keys = { "x-emc-useracl", "x-emc-groupacl" }, values = { "root=FULL_CONTROL",
+   // "other=READ" })
+   // @Consumes(MediaType.WILDCARD)
+   // void makePublic(@Endpoint URI url);
+
 }

atmosonline/saas/core/src/main/java/org/jclouds/atmosonline/saas/functions/AtmosObjectName.java

@@ -1,5 +1,7 @@
 package org.jclouds.atmosonline.saas.functions;
 
+import javax.inject.Singleton;
+
 import org.jclouds.atmosonline.saas.domain.AtmosObject;
 
 import com.google.common.base.Function;
@@ -8,6 +10,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class AtmosObjectName implements Function<Object, String> {
 
    public String apply(Object in) {

atmosonline/saas/core/src/main/java/org/jclouds/atmosonline/saas/functions/ParseObjectFromHeadersAndHttpContent.java

@@ -1,6 +1,7 @@
 package org.jclouds.atmosonline.saas.functions;
 
 import javax.inject.Inject;
+import javax.inject.Singleton;
 import javax.ws.rs.core.HttpHeaders;
 
 import org.jclouds.atmosonline.saas.domain.AtmosObject;
@@ -16,6 +17,7 @@ import com.google.common.base.Function;
  * @see ParseMetadataFromHeaders
  * @author Adrian Cole
  */
+@Singleton
 public class ParseObjectFromHeadersAndHttpContent implements Function<HttpResponse, AtmosObject> {
 
    private final ParseSystemMetadataFromHeaders systemMetadataParser;

atmosonline/saas/core/src/main/java/org/jclouds/atmosonline/saas/functions/ParseSystemMetadataFromHeaders.java

@@ -28,6 +28,7 @@ import static com.google.common.base.Preconditions.checkNotNull;
 import java.util.Map;
 
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 import org.jclouds.atmosonline.saas.domain.FileType;
 import org.jclouds.atmosonline.saas.domain.SystemMetadata;
@@ -41,6 +42,7 @@ import com.google.common.collect.Maps;
 /**
  * @author Adrian Cole
  */
+@Singleton
 public class ParseSystemMetadataFromHeaders implements Function<HttpResponse, SystemMetadata> {
    private final DateService dateService;
 

atmosonline/saas/core/src/main/java/org/jclouds/atmosonline/saas/functions/ParseUserMetadataFromHeaders.java

@@ -28,6 +28,8 @@ import static com.google.common.base.Preconditions.checkNotNull;
 import java.util.Map;
 import java.util.Set;
 
+import javax.inject.Singleton;
+
 import org.jclouds.atmosonline.saas.domain.UserMetadata;
 import org.jclouds.atmosonline.saas.reference.AtmosStorageHeaders;
 import org.jclouds.http.HttpResponse;
@@ -40,6 +42,7 @@ import com.google.inject.internal.ImmutableSet;
 /**
  * @author Adrian Cole
  */
+@Singleton
 public class ParseUserMetadataFromHeaders implements Function<HttpResponse, UserMetadata> {
    private final Set<String> sysKeys = ImmutableSet.of("atime", "ctime", "gid", "itime", "mtime",
             "nlink", "policyname", "size", "uid");

atmosonline/saas/core/src/test/java/org/jclouds/atmosonline/saas/AtmosStorageClientLiveTest.java

@@ -126,5 +126,6 @@ public class AtmosStorageClientLiveTest {
       } catch (IOException e) {
 
       }
+
    }
 }

blobstore/core/src/main/java/org/jclouds/blobstore/functions/ReturnVoidOnNotFoundOr404.java

@@ -25,12 +25,16 @@ package org.jclouds.blobstore.functions;
 
 import java.lang.reflect.Constructor;
 
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
 import org.jclouds.blobstore.ContainerNotFoundException;
 import org.jclouds.blobstore.KeyNotFoundException;
 import org.jclouds.http.functions.ReturnTrueOn404;
 
 import com.google.common.base.Function;
 
+@Singleton
 public class ReturnVoidOnNotFoundOr404 implements Function<Exception, Void> {
 
    static final Void v;
@@ -45,7 +49,12 @@ public class ReturnVoidOnNotFoundOr404 implements Function<Exception, Void> {
       }
    }
 
-   ReturnTrueOn404 rto404 = new ReturnTrueOn404();
+   private final ReturnTrueOn404 rto404;
+   
+   @Inject
+   private ReturnVoidOnNotFoundOr404(ReturnTrueOn404 rto404) {
+      this.rto404 = rto404;
+   }
 
    public Void apply(Exception from) {
       if (from instanceof KeyNotFoundException || from instanceof ContainerNotFoundException) {

blobstore/core/src/main/java/org/jclouds/blobstore/functions/impl/BouncyCastleGenerateMD5.java

@@ -23,6 +23,8 @@
  */
 package org.jclouds.blobstore.functions.impl;
 
+import javax.inject.Singleton;
+
 import org.jclouds.blobstore.functions.GenerateMD5;
 import org.jclouds.http.HttpUtils;
 
@@ -30,6 +32,7 @@ import org.jclouds.http.HttpUtils;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class BouncyCastleGenerateMD5 implements GenerateMD5 {
 
    public byte[] apply(Object from) {

blobstore/core/src/main/java/org/jclouds/blobstore/functions/impl/BouncyCastleGenerateMD5Result.java

@@ -26,6 +26,8 @@ package org.jclouds.blobstore.functions.impl;
 import java.io.IOException;
 import java.io.InputStream;
 
+import javax.inject.Singleton;
+
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.io.output.ByteArrayOutputStream;
 import org.bouncycastle.crypto.digests.MD5Digest;
@@ -37,6 +39,7 @@ import org.jclouds.blobstore.internal.BlobRuntimeException;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class BouncyCastleGenerateMD5Result implements GenerateMD5Result {
    public MD5InputStreamResult apply(InputStream toEncode) {
       MD5Digest eTag = new MD5Digest();

blobstore/core/src/main/java/org/jclouds/blobstore/functions/impl/CalculateSizeByLength.java

@@ -23,6 +23,8 @@
  */
 package org.jclouds.blobstore.functions.impl;
 
+import javax.inject.Singleton;
+
 import org.jclouds.blobstore.functions.CalculateSize;
 import org.jclouds.http.HttpUtils;
 
@@ -30,6 +32,7 @@ import org.jclouds.http.HttpUtils;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class CalculateSizeByLength implements CalculateSize {
 
    public Long apply(Object from) {

blobstore/core/src/main/java/org/jclouds/blobstore/strategy/internal/CountBlobTypeInList.java

@@ -24,6 +24,7 @@
 package org.jclouds.blobstore.strategy.internal;
 
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 import org.jclouds.blobstore.options.ListOptions;
 import org.jclouds.blobstore.strategy.CountListStrategy;
@@ -34,6 +35,7 @@ import org.jclouds.blobstore.strategy.ListBlobMetadataStrategy;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class CountBlobTypeInList implements CountListStrategy {
    protected final ListBlobMetadataStrategy getAllBlobMetadata;
 

blobstore/core/src/main/java/org/jclouds/blobstore/strategy/internal/DeleteAllKeysInList.java

@@ -29,6 +29,7 @@ import java.util.concurrent.TimeUnit;
 
 import javax.inject.Inject;
 import javax.inject.Named;
+import javax.inject.Singleton;
 
 import org.jclouds.blobstore.BlobStore;
 import org.jclouds.blobstore.domain.ResourceMetadata;
@@ -48,6 +49,7 @@ import com.google.common.collect.Sets;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class DeleteAllKeysInList implements ClearListStrategy, ClearContainerStrategy {
    /**
     * maximum duration of an blob Request

blobstore/core/src/main/java/org/jclouds/blobstore/strategy/internal/FindMD5InList.java

@@ -26,6 +26,7 @@ package org.jclouds.blobstore.strategy.internal;
 import java.util.Arrays;
 
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 import org.jclouds.blobstore.domain.BlobMetadata;
 import org.jclouds.blobstore.functions.ObjectMD5;
@@ -40,6 +41,7 @@ import org.jclouds.util.Utils;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class FindMD5InList implements ContainsValueInListStrategy {
 
    protected final ObjectMD5 objectMD5;

blobstore/core/src/main/java/org/jclouds/blobstore/strategy/internal/GetAllBlobsInListAndRetryOnFailure.java

@@ -34,6 +34,7 @@ import java.util.concurrent.TimeoutException;
 
 import javax.inject.Inject;
 import javax.inject.Named;
+import javax.inject.Singleton;
 
 import org.jclouds.blobstore.BlobStore;
 import org.jclouds.blobstore.KeyNotFoundException;
@@ -56,6 +57,7 @@ import com.google.common.collect.Sets;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class GetAllBlobsInListAndRetryOnFailure implements GetBlobsInListStrategy {
    /**
     * maximum duration of an blob Request

blobstore/core/src/main/java/org/jclouds/blobstore/strategy/internal/ListBlobMetadataInContainer.java

@@ -28,6 +28,7 @@ import java.util.concurrent.TimeUnit;
 
 import javax.inject.Inject;
 import javax.inject.Named;
+import javax.inject.Singleton;
 
 import org.jclouds.blobstore.BlobStore;
 import org.jclouds.blobstore.domain.BlobMetadata;
@@ -47,6 +48,7 @@ import com.google.common.collect.Sets;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ListBlobMetadataInContainer implements ListBlobMetadataStrategy {
    /**
     * maximum duration of an blob Request

core/src/main/java/org/jclouds/http/functions/ParseETagHeader.java

@@ -23,6 +23,7 @@
  */
 package org.jclouds.http.functions;
 
+import javax.inject.Singleton;
 import javax.ws.rs.core.HttpHeaders;
 
 import org.apache.commons.io.IOUtils;
@@ -36,6 +37,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseETagHeader implements Function<HttpResponse, String> {
 
    public String apply(HttpResponse from) {

core/src/main/java/org/jclouds/http/functions/ParseJson.java

@@ -26,6 +26,7 @@ package org.jclouds.http.functions;
 import java.io.InputStream;
 
 import javax.annotation.Resource;
+import javax.inject.Singleton;
 
 import org.apache.commons.io.IOUtils;
 import org.jclouds.http.HttpResponse;
@@ -41,6 +42,7 @@ import com.google.gson.Gson;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public abstract class ParseJson<T> implements Function<HttpResponse, T> {
 
    @Resource

core/src/main/java/org/jclouds/http/functions/ReturnFalseOn404.java

@@ -23,6 +23,8 @@
  */
 package org.jclouds.http.functions;
 
+import javax.inject.Singleton;
+
 import org.jclouds.http.HttpResponseException;
 
 import com.google.common.base.Function;
@@ -30,8 +32,8 @@ import com.google.common.base.Function;
 /**
  * 
  * @author Adrian Cole
- * @since 4.0
  */
+@Singleton
 public class ReturnFalseOn404 implements Function<Exception, Boolean> {
 
    public Boolean apply(Exception from) {

core/src/main/java/org/jclouds/http/functions/ReturnInputStream.java

@@ -25,6 +25,8 @@ package org.jclouds.http.functions;
 
 import java.io.InputStream;
 
+import javax.inject.Singleton;
+
 import org.jclouds.http.HttpResponse;
 
 import com.google.common.base.Function;
@@ -34,6 +36,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ReturnInputStream implements Function<HttpResponse, InputStream> {
 
    public InputStream apply(HttpResponse from) {

core/src/main/java/org/jclouds/http/functions/ReturnStringIf200.java

@@ -26,6 +26,8 @@ package org.jclouds.http.functions;
 import java.io.IOException;
 import java.io.InputStream;
 
+import javax.inject.Singleton;
+
 import org.jclouds.http.HttpException;
 import org.jclouds.http.HttpResponse;
 import org.jclouds.util.Utils;
@@ -36,6 +38,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ReturnStringIf200 implements Function<HttpResponse,String> {
 
    public String apply(HttpResponse from) {

core/src/main/java/org/jclouds/http/functions/ReturnTrueIf2xx.java

@@ -23,6 +23,8 @@
  */
 package org.jclouds.http.functions;
 
+import javax.inject.Singleton;
+
 import org.apache.commons.io.IOUtils;
 import org.jclouds.http.HttpResponse;
 
@@ -33,6 +35,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ReturnTrueIf2xx implements Function<HttpResponse, Boolean> {
 
    public Boolean apply(HttpResponse from) {

core/src/main/java/org/jclouds/http/functions/ReturnTrueOn404.java

@@ -23,10 +23,13 @@
  */
 package org.jclouds.http.functions;
 
+import javax.inject.Singleton;
+
 import org.jclouds.http.HttpResponseException;
 
 import com.google.common.base.Function;
 
+@Singleton
 public class ReturnTrueOn404 implements Function<Exception, Boolean> {
 
    public Boolean apply(Exception from) {

core/src/main/java/org/jclouds/http/functions/ReturnVoidIf2xx.java

@@ -25,6 +25,8 @@ package org.jclouds.http.functions;
 
 import java.lang.reflect.Constructor;
 
+import javax.inject.Singleton;
+
 import org.apache.commons.io.IOUtils;
 import org.jclouds.http.HttpResponse;
 
@@ -35,6 +37,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ReturnVoidIf2xx implements Function<HttpResponse, Void> {
    static final Void v;
    static {

core/src/main/java/org/jclouds/http/internal/JavaUrlHttpCommandExecutorService.java

@@ -36,6 +36,7 @@ import java.util.concurrent.ExecutorService;
 
 import javax.inject.Inject;
 import javax.inject.Named;
+import javax.inject.Singleton;
 import javax.net.ssl.HostnameVerifier;
 import javax.net.ssl.HttpsURLConnection;
 import javax.net.ssl.SSLSession;
@@ -56,6 +57,7 @@ import com.google.common.collect.Maps;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class JavaUrlHttpCommandExecutorService extends
          BaseHttpCommandExecutorService<HttpURLConnection> {
 

extensions/gae/src/main/java/org/jclouds/gae/GaeHttpCommandExecutorService.java

@@ -35,6 +35,7 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Future;
 
 import javax.inject.Inject;
+import javax.inject.Singleton;
 import javax.ws.rs.core.HttpHeaders;
 
 import org.apache.commons.io.IOUtils;
@@ -62,6 +63,7 @@ import com.google.common.annotations.VisibleForTesting;
  * @author Adrian Cole
  */
 @SingleThreaded
+@Singleton
 public class GaeHttpCommandExecutorService extends BaseHttpCommandExecutorService<HTTPRequest> {
    private final URLFetchService urlFetchService;
 

nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/functions/ParseMetadataFromJsonResponse.java

@@ -30,6 +30,7 @@ import java.util.List;
 import java.util.Map;
 
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 import org.jclouds.http.functions.ParseJson;
 
@@ -41,6 +42,7 @@ import com.google.gson.Gson;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseMetadataFromJsonResponse extends ParseJson<Map<String, String>> {
 
    @Inject

nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/functions/ParseSessionTokenFromJsonResponse.java

@@ -28,6 +28,7 @@ import java.io.InputStreamReader;
 import java.io.UnsupportedEncodingException;
 
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 import org.jclouds.http.functions.ParseJson;
 
@@ -38,6 +39,7 @@ import com.google.gson.Gson;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseSessionTokenFromJsonResponse extends ParseJson<String> {
 
    @Inject

nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/functions/ParseUploadInfoFromJsonResponse.java

@@ -30,6 +30,7 @@ import java.net.URI;
 import java.util.Map;
 
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 import org.jclouds.http.functions.ParseJson;
 import org.jclouds.nirvanix.sdn.domain.UploadInfo;
@@ -42,6 +43,7 @@ import com.google.gson.Gson;
  * @see UploadInfo
  * @author Adrian Cole
  */
+@Singleton
 public class ParseUploadInfoFromJsonResponse extends ParseJson<UploadInfo> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/IpAddress.java

@@ -25,8 +25,11 @@ package org.jclouds.rackspace.cloudservers.functions;
 
 import java.net.InetAddress;
 
+import javax.inject.Singleton;
+
 import com.google.common.base.Function;
 
+@Singleton
 public class IpAddress implements Function<Object, String> {
 
    public String apply(Object from) {

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseAddressesFromJsonResponse.java

@@ -32,12 +32,14 @@ import org.jclouds.rackspace.cloudservers.domain.Addresses;
 
 import com.google.gson.Gson;
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 /**
  * This parses {@link Addresses} from a gson string.
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseAddressesFromJsonResponse extends ParseJson<Addresses> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseBackupScheduleFromJsonResponse.java

@@ -32,12 +32,14 @@ import org.jclouds.rackspace.cloudservers.domain.BackupSchedule;
 
 import com.google.gson.Gson;
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 /**
  * This parses {@link BackupSchedule} from a gson string.
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseBackupScheduleFromJsonResponse extends ParseJson<BackupSchedule> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseFlavorFromJsonResponse.java

@@ -32,12 +32,14 @@ import org.jclouds.rackspace.cloudservers.domain.Flavor;
 
 import com.google.gson.Gson;
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 /**
  * This parses {@link Flavor} from a gson string.
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseFlavorFromJsonResponse extends ParseJson<Flavor> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseFlavorListFromJsonResponse.java

@@ -33,6 +33,8 @@ import org.jclouds.rackspace.cloudservers.domain.Flavor;
 
 import com.google.gson.Gson;
 import javax.inject.Inject;
+import javax.inject.Singleton;
+
 import com.google.inject.internal.Lists;
 
 /**
@@ -40,6 +42,7 @@ import com.google.inject.internal.Lists;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseFlavorListFromJsonResponse extends ParseJson<List<Flavor>> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseImageFromJsonResponse.java

@@ -32,12 +32,14 @@ import org.jclouds.rackspace.cloudservers.domain.Image;
 
 import com.google.gson.Gson;
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 /**
  * This parses {@link Image} from a gson string.
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseImageFromJsonResponse extends ParseJson<Image> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseImageListFromJsonResponse.java

@@ -33,6 +33,8 @@ import org.jclouds.rackspace.cloudservers.domain.Image;
 
 import com.google.gson.Gson;
 import javax.inject.Inject;
+import javax.inject.Singleton;
+
 import com.google.inject.internal.Lists;
 
 /**
@@ -40,6 +42,7 @@ import com.google.inject.internal.Lists;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseImageListFromJsonResponse extends ParseJson<List<Image>> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseInetAddressListFromJsonResponse.java

@@ -36,12 +36,14 @@ import org.jclouds.http.functions.ParseJson;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 /**
  * This parses a list of {@link InetAddress} from a gson string.
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseInetAddressListFromJsonResponse extends ParseJson<List<InetAddress>> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseServerFromJsonResponse.java

@@ -32,12 +32,14 @@ import org.jclouds.rackspace.cloudservers.domain.Server;
 
 import com.google.gson.Gson;
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 /**
  * This parses {@link Server} from a gson string.
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseServerFromJsonResponse extends ParseJson<Server> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseServerListFromJsonResponse.java

@@ -33,6 +33,8 @@ import org.jclouds.rackspace.cloudservers.domain.Server;
 
 import com.google.gson.Gson;
 import javax.inject.Inject;
+import javax.inject.Singleton;
+
 import com.google.inject.internal.Lists;
 
 /**
@@ -40,6 +42,7 @@ import com.google.inject.internal.Lists;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseServerListFromJsonResponse extends ParseJson<List<Server>> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseSharedIpGroupFromJsonResponse.java

@@ -32,12 +32,14 @@ import org.jclouds.rackspace.cloudservers.domain.SharedIpGroup;
 
 import com.google.gson.Gson;
 import javax.inject.Inject;
+import javax.inject.Singleton;
 
 /**
  * This parses {@link SharedIpGroup} from a gson string.
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseSharedIpGroupFromJsonResponse extends ParseJson<SharedIpGroup> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ParseSharedIpGroupListFromJsonResponse.java

@@ -33,6 +33,8 @@ import org.jclouds.rackspace.cloudservers.domain.SharedIpGroup;
 
 import com.google.gson.Gson;
 import javax.inject.Inject;
+import javax.inject.Singleton;
+
 import com.google.inject.internal.Lists;
 
 /**
@@ -40,6 +42,7 @@ import com.google.inject.internal.Lists;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseSharedIpGroupListFromJsonResponse extends ParseJson<List<SharedIpGroup>> {
 
    @Inject

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ReturnFlavorNotFoundOn404.java

@@ -23,6 +23,8 @@
  */
 package org.jclouds.rackspace.cloudservers.functions;
 
+import javax.inject.Singleton;
+
 import org.jclouds.http.HttpResponseException;
 import org.jclouds.rackspace.cloudservers.domain.Flavor;
 
@@ -33,6 +35,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ReturnFlavorNotFoundOn404 implements Function<Exception, Flavor> {
 
    public Flavor apply(Exception from) {

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ReturnImageNotFoundOn404.java

@@ -23,6 +23,8 @@
  */
 package org.jclouds.rackspace.cloudservers.functions;
 
+import javax.inject.Singleton;
+
 import org.jclouds.http.HttpResponseException;
 import org.jclouds.rackspace.cloudservers.domain.Image;
 
@@ -33,6 +35,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ReturnImageNotFoundOn404 implements Function<Exception, Image> {
 
    public Image apply(Exception from) {

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ReturnServerNotFoundOn404.java

@@ -23,6 +23,8 @@
  */
 package org.jclouds.rackspace.cloudservers.functions;
 
+import javax.inject.Singleton;
+
 import org.jclouds.http.HttpResponseException;
 import org.jclouds.rackspace.cloudservers.domain.Server;
 
@@ -33,6 +35,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ReturnServerNotFoundOn404 implements Function<Exception, Server> {
 
    public Server apply(Exception from) {

rackspace/cloudservers/core/src/main/java/org/jclouds/rackspace/cloudservers/functions/ReturnSharedIpGroupNotFoundOn404.java

@@ -23,6 +23,8 @@
  */
 package org.jclouds.rackspace.cloudservers.functions;
 
+import javax.inject.Singleton;
+
 import org.jclouds.http.HttpResponseException;
 import org.jclouds.rackspace.cloudservers.domain.SharedIpGroup;
 
@@ -33,6 +35,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ReturnSharedIpGroupNotFoundOn404 implements Function<Exception, SharedIpGroup> {
 
    public SharedIpGroup apply(Exception from) {

rackspace/core/src/main/java/org/jclouds/rackspace/functions/ParseAuthenticationResponseFromHeaders.java

@@ -31,6 +31,8 @@ import static org.jclouds.rackspace.reference.RackspaceHeaders.STORAGE_URL;
 
 import java.net.URI;
 
+import javax.inject.Singleton;
+
 import org.jclouds.http.HttpResponse;
 import org.jclouds.rackspace.RackspaceAuthentication.AuthenticationResponse;
 
@@ -41,6 +43,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseAuthenticationResponseFromHeaders implements
          Function<HttpResponse, AuthenticationResponse> {
 

vcloudx/core/src/main/java/org/jclouds/vcloudx/functions/ParseLoginResponseFromHeaders.java

@@ -31,6 +31,7 @@ import java.util.regex.Pattern;
 
 import javax.inject.Inject;
 import javax.inject.Provider;
+import javax.inject.Singleton;
 import javax.ws.rs.core.HttpHeaders;
 
 import org.jclouds.http.HttpResponse;
@@ -49,6 +50,7 @@ import com.google.common.base.Function;
  * 
  * @author Adrian Cole
  */
+@Singleton
 public class ParseLoginResponseFromHeaders implements Function<HttpResponse, VCloudXSession> {
    static final Pattern pattern = Pattern.compile("vcloud-token=(.*); path=.*");