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git-svn-id: http://jclouds.googlecode.com/svn/trunk@2048 3d8758e0-26b5-11de-8745-db77d3ebf521
This commit is contained in:
adrian.f.cole 2009-11-06 20:43:37 +00:00
parent 37a497d911
commit 819a16e635
2 changed files with 26 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
demos/gae-tweetstore/src/main/java/org/jclouds/demo/tweetstore/config/GuiceServletConfig.java
View File

@ -64,25 +64,30 @@ import com.google.inject.util.Jsr330;
*/
public class GuiceServletConfig extends GuiceServletContextListener {
private Map<String, BlobStoreContext<?>> contexts;
private TwitterClient client;
private Map<String, BlobStoreContext<?>> providerTypeToBlobStoreMap;
private TwitterClient twitterClient;
private String container;
@SuppressWarnings("unchecked")
@Override
public void contextInitialized(ServletContextEvent servletContextEvent) {
Properties props = loadJCloudsProperties(servletContextEvent);
Queue queue = QueueFactory.getQueue("twitter");
Properties props = loadJCloudsProperties(servletContextEvent);
// shared across all blobstores and used to retrieve tweets
twitterClient = TwitterContextFactory.createContext(props,
new GaeHttpCommandExecutorServiceModule()).getApi();
// common namespace for storing tweets.
container = checkNotNull(props.getProperty(PROPERTY_TWEETSTORE_CONTAINER),
PROPERTY_TWEETSTORE_CONTAINER);
ImmutableList<String> list = ImmutableList.<String> of(checkNotNull(
ImmutableList<String> contextBuilderClassNames = ImmutableList.<String> of(checkNotNull(
props.getProperty(PROPERTY_BLOBSTORE_CONTEXTBUILDERS),
PROPERTY_BLOBSTORE_CONTEXTBUILDERS).split(","));
contexts = Maps.newHashMap();
client = TwitterContextFactory
.createContext(props, new GaeHttpCommandExecutorServiceModule()).getApi();
for (String className : list) {
// instantiate and store references to all blobstores by provider name
providerTypeToBlobStoreMap = Maps.newHashMap();
for (String className : contextBuilderClassNames) {
Class<BlobStoreContextBuilder<?>> builderClass;
Constructor<BlobStoreContextBuilder<?>> constructor;
String name;
@ -90,14 +95,20 @@ public class GuiceServletConfig extends GuiceServletContextListener {
try {
builderClass = (Class<BlobStoreContextBuilder<?>>) Class.forName(className);
name = builderClass.getSimpleName().replaceAll("BlobStoreContextBuilder", "");
queue.add(url("/store/do").header("context", name).method(Method.GET));
constructor = builderClass.getConstructor(Properties.class);
context = constructor.newInstance(props).withModules(
new GaeHttpCommandExecutorServiceModule()).buildContext();
} catch (Exception e) {
throw new RuntimeException("error instantiating " + className, e);
}
contexts.put(name, context);
providerTypeToBlobStoreMap.put(name, context);
}
// get a queue for submitting store tweet requests
Queue queue = QueueFactory.getQueue("twitter");
// submit a job to store tweets for each configured blobstore
for (String name : providerTypeToBlobStoreMap.keySet()) {
queue.add(url("/store/do").header("context", name).method(Method.GET));
}
super.contextInitialized(servletContextEvent);
@ -123,21 +134,20 @@ public class GuiceServletConfig extends GuiceServletContextListener {
@Override
protected void configureServlets() {
bind(new TypeLiteral<Map<String, BlobStoreContext<?>>>() {
}).toInstance(GuiceServletConfig.this.contexts);
bind(TwitterClient.class).toInstance(client);
}).toInstance(GuiceServletConfig.this.providerTypeToBlobStoreMap);
bind(TwitterClient.class).toInstance(twitterClient);
bindConstant().annotatedWith(Jsr330.named(PROPERTY_TWEETSTORE_CONTAINER)).to(container);
serve("/store/*").with(StoreTweetsController.class);
serve("/tweets/*").with(AddTweetsController.class);
requestInjection(this);
}
}
);
}
@Override
public void contextDestroyed(ServletContextEvent servletContextEvent) {
for (BlobStoreContext<?> context : contexts.values()) {
for (BlobStoreContext<?> context : providerTypeToBlobStoreMap.values()) {
context.close();
}
super.contextDestroyed(servletContextEvent);