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package com.sun.jersey.api.client;
import com.sun.jersey.api.client.async.AsyncClientHandler;
import com.sun.jersey.api.client.async.FutureListener;
import com.sun.jersey.api.client.filter.Filterable;
import com.sun.jersey.client.impl.ClientRequestImpl;
import javax.ws.rs.core.Cookie;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.UriBuilder;
import java.net.URI;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.FutureTask;
import java.util.logging.Level;
import java.util.logging.Logger;
public class AsyncViewResource extends Filterable implements
RequestBuilder,
AsyncViewUniformInterface,
AsyncClientHandler {
private static final Logger LOGGER = Logger.getLogger(AsyncWebResource.class.getName());
private final Client client;
private final ExecutorService executorService;
private final URI u;
protected AsyncViewResource(Client c, URI u) {
super((ClientHandler)c);
this.client = c;
this.executorService = c.getExecutorService();
this.u = u;
}
protected AsyncViewResource(AsyncViewResource that, UriBuilder ub) {
super(that);
this.client = that.client;
this.executorService = that.executorService;
this.u = ub.build();
}
/**
* Get the URI to the resource.
*
* @return the URI.
*/
public URI getURI() {
return u;
}
/**
* Get the URI builder to the resource.
*
* @return the URI builder.
*/
public UriBuilder getUriBuilder() {
return UriBuilder.fromUri(u);
}
/**
* Get the ClientRequest builder.
*
* @return the ClientRequest builder.
*/
public Builder getRequestBuilder() {
return new Builder();
}
/**
* @return the URI as a String instance
*/
@Override
public String toString() {
return u.toString();
}
/**
* Returns a hash code for this WebResource.
*
* The hash code is the hash code of URI of this
* WebResource.
*
* @return a hash code for this WebResource.
*/
@Override
public int hashCode() {
return u.hashCode();
}
/**
* Compares this resource to the specified object.
*
* The result is true if and only if the argument is not null and is a
* WebResource object whose URI is equal to the URI of this
* WebResource.
*
* @param obj the object to compare this WebResource against.
* @return true if the WebResource are equal; false otherwise.
*/
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj instanceof AsyncViewResource) {
final AsyncViewResource that = (AsyncViewResource) obj;
return that.u.equals(this.u);
}
return false;
}
// ViewUniformInterface
public Future head(Class c) {
return handle(c, new ClientRequestImpl(getURI(), "HEAD"));
}
public Future head(T t) {
return handle(t, new ClientRequestImpl(getURI(), "HEAD"));
}
public Future options(Class c) {
return handle(c, new ClientRequestImpl(getURI(), "OPTIONS"));
}
public Future options(T t) {
return handle(t, new ClientRequestImpl(getURI(), "OPTIONS"));
}
public Future get(Class c) {
return handle(c, new ClientRequestImpl(getURI(), "GET"));
}
public Future get(T t) {
return handle(t, new ClientRequestImpl(getURI(), "GET"));
}
public Future put(Class c) {
return handle(c, new ClientRequestImpl(getURI(), "PUT"));
}
public Future put(T t) {
return handle(t, new ClientRequestImpl(getURI(), "PUT"));
}
public Future put(Class c, Object requestEntity) {
return handle(c, new ClientRequestImpl(getURI(), "PUT", requestEntity));
}
public Future put(T t, Object requestEntity) {
return handle(t, new ClientRequestImpl(getURI(), "PUT", requestEntity));
}
public Future post(Class c) {
return handle(c, new ClientRequestImpl(getURI(), "POST"));
}
public Future post(T t) {
return handle(t, new ClientRequestImpl(getURI(), "POST"));
}
public Future post(Class c, Object requestEntity) {
return handle(c, new ClientRequestImpl(getURI(), "POST", requestEntity));
}
public Future post(T t, Object requestEntity) {
return handle(t, new ClientRequestImpl(getURI(), "POST", requestEntity));
}
public Future delete(Class c) {
return handle(c, new ClientRequestImpl(getURI(), "DELETE"));
}
public Future delete(T t) {
return handle(t, new ClientRequestImpl(getURI(), "DELETE"));
}
public Future delete(Class c, Object requestEntity) {
return handle(c, new ClientRequestImpl(getURI(), "DELETE", requestEntity));
}
public Future delete(T t, Object requestEntity) {
return handle(t, new ClientRequestImpl(getURI(), "DELETE", requestEntity));
}
public Future method(String method, Class c) {
return handle(c, new ClientRequestImpl(getURI(), method));
}
public Future method(String method, T t) {
return handle(t, new ClientRequestImpl(getURI(), method));
}
public Future method(String method, Class c, Object requestEntity) {
return handle(c, new ClientRequestImpl(getURI(), method, requestEntity));
}
public Future method(String method, T t, Object requestEntity) {
return handle(t, new ClientRequestImpl(getURI(), method, requestEntity));
}
// RequestBuilder
public Builder entity(Object entity) {
return getRequestBuilder().entity(entity);
}
public Builder entity(Object entity, MediaType type) {
return getRequestBuilder().entity(entity, type);
}
public Builder entity(Object entity, String type) {
return getRequestBuilder().entity(entity, type);
}
public Builder type(MediaType type) {
return getRequestBuilder().type(type);
}
public Builder type(String type) {
return getRequestBuilder().type(type);
}
public Builder accept(MediaType... types) {
return getRequestBuilder().accept(types);
}
public Builder accept(String... types) {
return getRequestBuilder().accept(types);
}
public Builder acceptLanguage(Locale... locales) {
return getRequestBuilder().acceptLanguage(locales);
}
public Builder acceptLanguage(String... locales) {
return getRequestBuilder().acceptLanguage(locales);
}
public Builder cookie(Cookie cookie) {
return getRequestBuilder().cookie(cookie);
}
public Builder header(String name, Object value) {
return getRequestBuilder().header(name, value);
}
// URI specific building
/**
* Create a new WebResource from this web resource with an additional path
* added to the URI of this web resource.
*
* Any filters on this web resource are inherited. Removal of filters
* may cause undefined behaviour.
*
* @param path the additional path.
*
* @return the new web resource.
*/
public AsyncViewResource path(String path) {
return new AsyncViewResource(this, getUriBuilder().path(path));
}
/**
* Create a new WebResource from this web resource.
*
* If the URI contains a path component and the path starts with a '/' then
* the path of this web resource URI is replaced. Otherwise the path is
* appended.
*
* If the URI contains query parameters then those query parameters will
* replace the query parameters (if any) of this web resource.
*
* Any filters on this web resource are inherited. Removal of filters
* may cause undefined behaviour.
*
* @param uri the URI.
* @return the new web resource.
*/
public AsyncViewResource uri(URI uri) {
UriBuilder b = getUriBuilder();
String path = uri.getRawPath();
if (path != null && path.length() > 0) {
if (path.startsWith("/")) {
b.replacePath(path);
} else {
b.path(path);
}
}
String query = uri.getRawQuery();
if (query != null && query.length() > 0) {
b.replaceQuery(query);
}
return new AsyncViewResource(this, b);
}
/**
* Create a new WebResource from this web resource with an additional
* query parameter added to the URI of this web resource.
*
* @param key the query parameter name
* @param value the query parameter value
* @return the new web resource.
*/
public AsyncViewResource queryParam(String key, String value) {
UriBuilder b = getUriBuilder();
b.queryParam(key, value);
return new AsyncViewResource(this, b);
}
/**
* Create a new WebResource from this web resource with additional
* query parameters added to the URI of this web resource.
*
* @param params the query parameters.
* @return the new web resource.
*/
public AsyncViewResource queryParams(MultivaluedMap params) {
UriBuilder b = getUriBuilder();
for (Map.Entry> e : params.entrySet()) {
for (String value : e.getValue())
b.queryParam(e.getKey(), value);
}
return new AsyncViewResource(this, b);
}
// Builder that builds client request and handles it
/**
* The builder for building a {@link ClientRequest} instance and
* handling the request using the {@link UniformInterface}. The methods
* of the {@link UniformInterface} are the build methods of the builder.
*/
public final class Builder extends PartialRequestBuilder
implements AsyncViewUniformInterface {
private Builder() {
}
private ClientRequest build(String method) {
ClientRequest ro = new ClientRequestImpl(u, method, entity, metadata);
entity = null;
metadata = null;
return ro;
}
private ClientRequest build(String method, Object e) {
ClientRequest ro = new ClientRequestImpl(u, method, e, metadata);
entity = null;
metadata = null;
return ro;
}
// ViewUniformInterface
public Future head(Class c) {
return handle(c, build("HEAD"));
}
public Future head(T t) {
return handle(t, build("HEAD"));
}
public Future options(Class c) {
return handle(c, build("OPTIONS"));
}
public Future options(T t) {
return handle(t, build("OPTIONS"));
}
public Future get(Class c) {
return handle(c, build("GET"));
}
public Future get(T t) {
return handle(t, build("GET"));
}
public Future put(Class c) {
return handle(c, build("PUT"));
}
public Future put(T t) {
return handle(t, build("PUT"));
}
public Future put(Class c, Object requestEntity) {
return handle(c, build("PUT", requestEntity));
}
public Future put(T t, Object requestEntity) {
return handle(t, build("PUT", requestEntity));
}
public Future post(Class c) {
return handle(c, build("POST"));
}
public Future post(T t) {
return handle(t, build("POST"));
}
public Future post(Class c, Object requestEntity) {
return handle(c, build("POST", requestEntity));
}
public Future post(T t, Object requestEntity) {
return handle(t, build("POST", requestEntity));
}
public Future delete(Class c) {
return handle(c, build("DELETE"));
}
public Future delete(T t) {
return handle(t, build("DELETE"));
}
public Future delete(Class c, Object requestEntity) {
return handle(c, build("DELETE", requestEntity));
}
public Future delete(T t, Object requestEntity) {
return handle(t, build("DELETE", requestEntity));
}
public Future method(String method, Class c) {
return handle(c, build(method));
}
public Future method(String method, T t) {
return handle(t, build(method));
}
public Future method(String method, Class c, Object requestEntity) {
return handle(c, build(method, requestEntity));
}
public Future method(String method, T t, Object requestEntity) {
return handle(t, build(method, requestEntity));
}
}
private Future handle(Class c, ClientRequest ro) {
return client.getViewProxy(c).asyncView(c, ro, this);
}
private Future handle(T t, ClientRequest ro) {
return client.getViewProxy((Class)t.getClass()).asyncView(t, ro, this);
}
// AsyncClientHandler
public Future handle(final ClientRequest request, final FutureListener l) {
Callable c = new Callable() {
public Object call() throws Exception {
return getHeadHandler().handle(request);
}
};
FutureTask ft = new FutureTask(c) {
@Override
protected void done() {
try {
l.onComplete(this);
} catch (Throwable t) {
LOGGER.log(Level.SEVERE,
"Throwable caught on call to ClientResponseListener.onComplete",
t);
}
}
};
executorService.submit(ft);
return ft;
}
}