added instance states to deltacloud

core/src/main/java/org/jclouds/rest/functions/ReturnEmptyListOnNotFoundOr404.java

@@ -0,0 +1,62 @@
+/**
+ *
+ * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
+ *
+ * ====================================================================
+ * 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.jclouds.rest.functions;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.jclouds.util.Utils.propagateOrNull;
+
+import java.util.List;
+
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+import org.jclouds.http.functions.ReturnTrueOn404;
+import org.jclouds.rest.ResourceNotFoundException;
+
+import com.google.common.base.Function;
+import com.google.common.base.Throwables;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterables;
+
+/**
+ * 
+ * @author Adrian Cole
+ */
+@Singleton
+public class ReturnEmptyListOnNotFoundOr404 implements Function<Exception, Object> {
+   private final ReturnTrueOn404 rto404;
+
+   @Inject
+   private ReturnEmptyListOnNotFoundOr404(ReturnTrueOn404 rto404) {
+      this.rto404 = checkNotNull(rto404, "rto404");
+   }
+
+   public Object apply(Exception from) {
+      Iterable<ResourceNotFoundException> throwables = Iterables.filter(Throwables.getCausalChain(from),
+               ResourceNotFoundException.class);
+      if (Iterables.size(throwables) >= 1) {
+         return ImmutableList.of();
+      } else if (rto404.apply(from)) {
+         return ImmutableList.of();
+      }
+      return List.class.cast(propagateOrNull(from));
+   }
+
+}

core/src/main/java/org/jclouds/rest/functions/ReturnEmptyMapOnNotFoundOr404.java

@@ -0,0 +1,62 @@
+/**
+ *
+ * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
+ *
+ * ====================================================================
+ * 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.jclouds.rest.functions;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.jclouds.util.Utils.propagateOrNull;
+
+import java.util.Map;
+
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+import org.jclouds.http.functions.ReturnTrueOn404;
+import org.jclouds.rest.ResourceNotFoundException;
+
+import com.google.common.base.Function;
+import com.google.common.base.Throwables;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Iterables;
+
+/**
+ * 
+ * @author Adrian Cole
+ */
+@Singleton
+public class ReturnEmptyMapOnNotFoundOr404 implements Function<Exception, Object> {
+   private final ReturnTrueOn404 rto404;
+
+   @Inject
+   private ReturnEmptyMapOnNotFoundOr404(ReturnTrueOn404 rto404) {
+      this.rto404 = checkNotNull(rto404, "rto404");
+   }
+
+   public Object apply(Exception from) {
+      Iterable<ResourceNotFoundException> throwables = Iterables.filter(Throwables.getCausalChain(from),
+               ResourceNotFoundException.class);
+      if (Iterables.size(throwables) >= 1) {
+         return ImmutableMap.of();
+      } else if (rto404.apply(from)) {
+         return ImmutableMap.of();
+      }
+      return Map.class.cast(propagateOrNull(from));
+   }
+
+}

core/src/main/java/org/jclouds/rest/functions/ReturnEmptyMultimapOnNotFoundOr404.java

@@ -0,0 +1,61 @@
+/**
+ *
+ * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
+ *
+ * ====================================================================
+ * 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.jclouds.rest.functions;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.jclouds.util.Utils.propagateOrNull;
+
+import javax.inject.Inject;
+import javax.inject.Singleton;
+
+import org.jclouds.http.functions.ReturnTrueOn404;
+import org.jclouds.rest.ResourceNotFoundException;
+
+import com.google.common.base.Function;
+import com.google.common.base.Throwables;
+import com.google.common.collect.ImmutableMultimap;
+import com.google.common.collect.Iterables;
+import com.google.common.collect.Multimap;
+
+/**
+ * 
+ * @author Adrian Cole
+ */
+@Singleton
+public class ReturnEmptyMultimapOnNotFoundOr404 implements Function<Exception, Object> {
+   private final ReturnTrueOn404 rto404;
+
+   @Inject
+   private ReturnEmptyMultimapOnNotFoundOr404(ReturnTrueOn404 rto404) {
+      this.rto404 = checkNotNull(rto404, "rto404");
+   }
+
+   public Object apply(Exception from) {
+      Iterable<ResourceNotFoundException> throwables = Iterables.filter(Throwables.getCausalChain(from),
+               ResourceNotFoundException.class);
+      if (Iterables.size(throwables) >= 1) {
+         return ImmutableMultimap.of();
+      } else if (rto404.apply(from)) {
+         return ImmutableMultimap.of();
+      }
+      return Multimap.class.cast(propagateOrNull(from));
+   }
+
+}

sandbox/deltacloud/src/main/java/org/jclouds/deltacloud/collections/InstanceStates.java

@@ -0,0 +1,40 @@
+/**
+ *
+ * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
+ *
+ * ====================================================================
+ * 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.jclouds.deltacloud.collections;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import javax.inject.Qualifier;
+
+/**
+ * The realms collection will return a set of all instance states available to the current user.
+ * 
+ * @author Adrian Cole
+ * 
+ */
+@Retention(value = RetentionPolicy.RUNTIME)
+@Target(value = { ElementType.TYPE, ElementType.FIELD, ElementType.PARAMETER, ElementType.METHOD })
+@Qualifier
+public @interface InstanceStates {
+
+}

sandbox/deltacloud/src/main/java/org/jclouds/deltacloud/domain/Feature.java

@@ -0,0 +1,68 @@
+/**
+ *
+ * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
+ *
+ * ====================================================================
+ * 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.jclouds.deltacloud.domain;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * 
+ * @author Adrian Cole
+ */
+public class Feature {
+   private final String name;
+
+   public Feature(String name) {
+      this.name = checkNotNull(name, "name");
+   }
+
+   public String getName() {
+      return name;
+   }
+
+   @Override
+   public String toString() {
+      return "[name=" + name + "]";
+   }
+
+   @Override
+   public int hashCode() {
+      final int prime = 31;
+      int result = 1;
+      result = prime * result + ((name == null) ? 0 : name.hashCode());
+      return result;
+   }
+
+   @Override
+   public boolean equals(Object obj) {
+      if (this == obj)
+         return true;
+      if (obj == null)
+         return false;
+      if (getClass() != obj.getClass())
+         return false;
+      Feature other = (Feature) obj;
+      if (name == null) {
+         if (other.name != null)
+            return false;
+      } else if (!name.equals(other.name))
+         return false;
+      return true;
+   }
+}

sandbox/deltacloud/src/main/java/org/jclouds/deltacloud/domain/Transition.java

@@ -0,0 +1,28 @@
+/**
+ *
+ * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
+ *
+ * ====================================================================
+ * 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.jclouds.deltacloud.domain;
+
+/**
+ * 
+ * @author Adrian Cole
+ */
+public interface Transition {
+   InstanceState getTo();
+}

sandbox/deltacloud/src/main/java/org/jclouds/deltacloud/domain/TransitionAutomatically.java

@@ -0,0 +1,68 @@
+/**
+ *
+ * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
+ *
+ * ====================================================================
+ * 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.jclouds.deltacloud.domain;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * 
+ * @author Adrian Cole
+ */
+public class TransitionAutomatically implements Transition {
+   private final InstanceState to;
+
+   public TransitionAutomatically(InstanceState to) {
+      this.to = checkNotNull(to, "to");
+   }
+
+   public InstanceState getTo() {
+      return to;
+   }
+
+   @Override
+   public String toString() {
+      return "[to=" + to + "]";
+   }
+
+   @Override
+   public int hashCode() {
+      final int prime = 31;
+      int result = 1;
+      result = prime * result + ((to == null) ? 0 : to.hashCode());
+      return result;
+   }
+
+   @Override
+   public boolean equals(Object obj) {
+      if (this == obj)
+         return true;
+      if (obj == null)
+         return false;
+      if (getClass() != obj.getClass())
+         return false;
+      TransitionAutomatically other = (TransitionAutomatically) obj;
+      if (to == null) {
+         if (other.to != null)
+            return false;
+      } else if (!to.equals(other.to))
+         return false;
+      return true;
+   }
+}

sandbox/deltacloud/src/main/java/org/jclouds/deltacloud/domain/TransitionOnAction.java

@@ -0,0 +1,77 @@
+/**
+ *
+ * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
+ *
+ * ====================================================================
+ * 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.jclouds.deltacloud.domain;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * 
+ * @author Adrian Cole
+ */
+public class TransitionOnAction implements Transition {
+   private final String action;
+   private final InstanceState to;
+
+   public TransitionOnAction(String action, InstanceState to) {
+      this.to = checkNotNull(to, "to");
+      this.action = checkNotNull(action, "action");
+   }
+
+   public InstanceState getTo() {
+      return to;
+   }
+
+   public String getAction() {
+      return action;
+   }
+
+   @Override
+   public String toString() {
+      return "TransitionOnAction [action=" + action + ", to=" + to + "]";
+   }
+
+   @Override
+   public int hashCode() {
+      final int prime = 31;
+      int result = 1;
+      result = prime * result + ((action == null) ? 0 : action.hashCode());
+      result = prime * result + ((to == null) ? 0 : to.hashCode());
+      return result;
+   }
+
+   @Override
+   public boolean equals(Object obj) {
+      if (this == obj)
+         return true;
+      if (obj == null)
+         return false;
+      if (getClass() != obj.getClass())
+         return false;
+      TransitionOnAction other = (TransitionOnAction) obj;
+      if (action == null) {
+         if (other.action != null)
+            return false;
+      } else if (!action.equals(other.action))
+         return false;
+      if (to != other.to)
+         return false;
+      return true;
+   }
+}

sandbox/deltacloud/src/main/java/org/jclouds/deltacloud/xml/InstanceStatesHandler.java

@@ -0,0 +1,65 @@
+/**
+ *
+ * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.com>
+ *
+ * ====================================================================
+ * 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.jclouds.deltacloud.xml;
+
+import java.util.Map;
+
+import org.jclouds.deltacloud.domain.InstanceState;
+import org.jclouds.deltacloud.domain.Transition;
+import org.jclouds.deltacloud.domain.TransitionAutomatically;
+import org.jclouds.deltacloud.domain.TransitionOnAction;
+import org.jclouds.http.functions.ParseSax;
+import org.jclouds.util.Utils;
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+
+import com.google.common.collect.LinkedHashMultimap;
+import com.google.common.collect.Multimap;
+
+/**
+ * @author Adrian Cole
+ */
+public class InstanceStatesHandler extends ParseSax.HandlerWithResult<Multimap<InstanceState, ? extends Transition>> {
+
+   private Multimap<InstanceState, Transition> states = LinkedHashMultimap.create();
+   private InstanceState state;
+
+   public Multimap<InstanceState, ? extends Transition> getResult() {
+      return states;
+   }
+
+   @Override
+   public void startElement(String uri, String localName, String qName, Attributes attrs) throws SAXException {
+      Map<String, String> attributes = Utils.cleanseAttributes(attrs);
+      if (qName.equals("state")) {
+         state = InstanceState.valueOf(attributes.get("name").toUpperCase());
+      } else if (qName.equals("transition")) {
+         if (attributes.containsKey("auto"))
+            states.put(state, new TransitionAutomatically(InstanceState.valueOf(attributes.get("to").toUpperCase())));
+         else
+            states.put(
+                  state,
+                  new TransitionOnAction(attributes.get("action"), InstanceState.valueOf(attributes.get("to")
+                        .toUpperCase())));
+
+      }
+   }
+
+}