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jclouds components to access cloudstack
/*
* 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.cloudstack.config;
import java.io.IOException;
import java.util.Date;
import javax.inject.Inject;
import org.jclouds.date.DateService;
import org.jclouds.json.config.GsonModule.DateAdapter;
import org.jclouds.json.config.GsonModule.Iso8601DateAdapter;
import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.IterableTypeAdapter;
import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.IterableTypeAdapterFactory;
import com.google.common.base.Splitter;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableSet;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;
import com.google.inject.AbstractModule;
public class CloudStackParserModule extends AbstractModule {
@Override
protected void configure() {
bind(DateAdapter.class).to(CloudStackDateAdapter.class);
bind(IterableTypeAdapterFactory.class).to(CommaDelimitedOKIterableTypeAdapterFactory.class);
}
/**
* Data adapter for the date formats used by CloudStack.
*
* Essentially this is a workaround for the CloudStack getUsage() API call returning a corrupted form of ISO-8601
* dates, which have an unexpected pair of apostrophes, like 2011-12-12'T'00:00:00+00:00
*
*/
public static class CloudStackDateAdapter extends Iso8601DateAdapter {
@Inject
private CloudStackDateAdapter(DateService dateService) {
super(dateService);
}
public Date read(JsonReader reader) throws IOException {
return parseDate(reader.nextString().replaceAll("'T'", "T"));
}
}
/**
* Handles types that were previously strings and now arrays (ex. tags)
*
*/
public static class CommaDelimitedOKIterableTypeAdapterFactory extends IterableTypeAdapterFactory {
@Override
@SuppressWarnings("unchecked")
protected TypeAdapter newAdapter(TypeAdapter elementAdapter) {
return (TypeAdapter) new Adapter(elementAdapter);
}
public static final class Adapter extends TypeAdapter> {
private final IterableTypeAdapter delegate;
public Adapter(TypeAdapter elementAdapter) {
this.delegate = new IterableTypeAdapter(elementAdapter);
nullSafe();
}
public void write(JsonWriter out, Iterable value) throws IOException {
this.delegate.write(out, value);
}
@SuppressWarnings("unchecked")
@Override
public Iterable read(JsonReader in) throws IOException {
// HACK as cloudstack changed a field from String to Set!
if (in.peek() == JsonToken.STRING) {
String val = Strings.emptyToNull(in.nextString());
return (Iterable) (val != null ? Splitter.on(',').split(val) : ImmutableSet.of());
} else {
return delegate.read(in);
}
}
}
}
}