com.sun.jersey.api.client.WebResource Maven / Gradle / Ivy
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package com.sun.jersey.api.client;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.filter.Filterable;
import com.sun.jersey.client.impl.ClientRequestImpl;
import com.sun.jersey.client.impl.CopyOnWriteHashMap;
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;
/**
* An encapsulation of a Web resource capable of building requests
* to send to the Web resource and processing responses returned from the Web
* resource.
*
* A WebResource instance is obtained from the {@link Client}.
*
* The Web resource implements the {@link UniformInterface} to invoke the HTTP
* method on the Web resource. A client request may be built before invocation
* on the uniform interface.
*
* Methods to create a request and return a response are thread-safe. Methods
* that modify filters are not guaranteed to be thread-safe.
*
* @author [email protected]
* @see com.sun.jersey.api.client
*/
public class WebResource extends Filterable implements
RequestBuilder,
UniformInterface {
private final URI u;
private CopyOnWriteHashMap properties;
/* package */ WebResource(ClientHandler c, CopyOnWriteHashMap properties, URI u) {
super(c);
this.u = u;
this.properties = properties.clone();
}
private WebResource(WebResource that, UriBuilder ub) {
super(that);
this.u = ub.build();
properties = (that.properties == null ? null : that.properties.clone());
}
/**
* 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.
* @deprecated
*/
@Deprecated
public UriBuilder getBuilder() {
return UriBuilder.fromUri(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 WebResource) {
final WebResource that = (WebResource) obj;
return that.u.equals(this.u);
}
return false;
}
// UniformInterface
@Override
public ClientResponse head() throws ClientHandlerException{
ClientRequestImpl ro = new ClientRequestImpl(getURI(), "HEAD");
setProperties(ro);
return getHeadHandler().handle(ro);
}
@Override
public T options(Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, new ClientRequestImpl(getURI(), "OPTIONS"));
}
@Override
public T options(GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, new ClientRequestImpl(getURI(), "OPTIONS"));
}
@Override
public T get(Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, new ClientRequestImpl(getURI(), "GET"));
}
@Override
public T get(GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, new ClientRequestImpl(getURI(), "GET"));
}
@Override
public void put() throws UniformInterfaceException, ClientHandlerException {
voidHandle(new ClientRequestImpl(getURI(), "PUT", null));
}
@Override
public void put(Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
voidHandle(new ClientRequestImpl(getURI(), "PUT", requestEntity));
}
@Override
public T put(Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, new ClientRequestImpl(getURI(), "PUT"));
}
@Override
public T put(GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, new ClientRequestImpl(getURI(), "PUT"));
}
@Override
public T put(Class c, Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
return handle(c, new ClientRequestImpl(getURI(), "PUT", requestEntity));
}
@Override
public T put(GenericType gt, Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, new ClientRequestImpl(getURI(), "PUT", requestEntity));
}
@Override
public void post() throws UniformInterfaceException, ClientHandlerException {
voidHandle(new ClientRequestImpl(getURI(), "POST"));
}
@Override
public void post(Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
voidHandle(new ClientRequestImpl(getURI(), "POST", requestEntity));
}
@Override
public T post(Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, new ClientRequestImpl(getURI(), "POST"));
}
@Override
public T post(GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, new ClientRequestImpl(getURI(), "POST"));
}
@Override
public T post(Class c, Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
return handle(c, new ClientRequestImpl(getURI(), "POST", requestEntity));
}
@Override
public T post(GenericType gt, Object requestEntity)
throws UniformInterfaceException, ClientHandlerException {
return handle(gt, new ClientRequestImpl(getURI(), "POST", requestEntity));
}
@Override
public void delete() throws UniformInterfaceException, ClientHandlerException {
voidHandle(new ClientRequestImpl(getURI(), "DELETE"));
}
@Override
public void delete(Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
voidHandle(new ClientRequestImpl(getURI(), "DELETE", requestEntity));
}
@Override
public T delete(Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, new ClientRequestImpl(getURI(), "DELETE"));
}
@Override
public T delete(GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, new ClientRequestImpl(getURI(), "DELETE"));
}
@Override
public T delete(Class c, Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
return handle(c, new ClientRequestImpl(getURI(), "DELETE", requestEntity));
}
@Override
public T delete(GenericType gt, Object requestEntity)
throws UniformInterfaceException, ClientHandlerException {
return handle(gt, new ClientRequestImpl(getURI(), "DELETE", requestEntity));
}
@Override
public void method(String method) throws UniformInterfaceException, ClientHandlerException {
voidHandle(new ClientRequestImpl(getURI(), method));
}
@Override
public void method(String method, Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
voidHandle(new ClientRequestImpl(getURI(), method, requestEntity));
}
@Override
public T method(String method, Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, new ClientRequestImpl(getURI(), method));
}
@Override
public T method(String method, GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, new ClientRequestImpl(getURI(), method));
}
@Override
public T method(String method, Class c, Object requestEntity)
throws UniformInterfaceException, ClientHandlerException {
return handle(c, new ClientRequestImpl(getURI(), method, requestEntity));
}
@Override
public T method(String method, GenericType gt, Object requestEntity)
throws UniformInterfaceException, ClientHandlerException {
return handle(gt, new ClientRequestImpl(getURI(), method, requestEntity));
}
// RequestBuilder
@Override
public Builder entity(Object entity) {
return getRequestBuilder().entity(entity);
}
@Override
public Builder entity(Object entity, MediaType type) {
return getRequestBuilder().entity(entity, type);
}
@Override
public Builder entity(Object entity, String type) {
return getRequestBuilder().entity(entity, type);
}
@Override
public Builder type(MediaType type) {
return getRequestBuilder().type(type);
}
@Override
public Builder type(String type) {
return getRequestBuilder().type(type);
}
@Override
public Builder accept(MediaType... types) {
return getRequestBuilder().accept(types);
}
@Override
public Builder accept(String... types) {
return getRequestBuilder().accept(types);
}
@Override
public Builder acceptLanguage(Locale... locales) {
return getRequestBuilder().acceptLanguage(locales);
}
@Override
public Builder acceptLanguage(String... locales) {
return getRequestBuilder().acceptLanguage(locales);
}
@Override
public Builder cookie(Cookie cookie) {
return getRequestBuilder().cookie(cookie);
}
@Override
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 WebResource path(String path) {
return new WebResource(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 WebResource 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 WebResource(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 WebResource queryParam(String key, String value) {
UriBuilder b = getUriBuilder();
b.queryParam(key, value);
return new WebResource(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 WebResource queryParams(MultivaluedMap params) {
UriBuilder b = getUriBuilder();
for (Map.Entry> e : params.entrySet()) {
for (String value : e.getValue())
b.queryParam(e.getKey(), value);
}
return new WebResource(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 class Builder extends PartialRequestBuilder
implements UniformInterface {
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;
}
// UniformInterface
@Override
public ClientResponse head() throws ClientHandlerException {
return getHeadHandler().handle(build("HEAD"));
}
@Override
public T options(Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, build("OPTIONS"));
}
@Override
public T options(GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, build("OPTIONS"));
}
@Override
public T get(Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, build("GET"));
}
@Override
public T get(GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, build("GET"));
}
@Override
public void put() throws UniformInterfaceException, ClientHandlerException {
voidHandle(build("PUT"));
}
@Override
public void put(Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
voidHandle(build("PUT", requestEntity));
}
@Override
public T put(Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, build("PUT"));
}
@Override
public T put(GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, build("PUT"));
}
@Override
public T put(Class c, Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
return handle(c, build("PUT", requestEntity));
}
@Override
public T put(GenericType gt, Object requestEntity)
throws UniformInterfaceException, ClientHandlerException {
return handle(gt, build("PUT", requestEntity));
}
@Override
public void post() throws UniformInterfaceException, ClientHandlerException {
voidHandle(build("POST"));
}
@Override
public void post(Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
voidHandle(build("POST", requestEntity));
}
@Override
public T post(Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, build("POST"));
}
@Override
public T post(GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, build("POST"));
}
@Override
public T post(Class c, Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
return handle(c, build("POST", requestEntity));
}
@Override
public T post(GenericType gt, Object requestEntity)
throws UniformInterfaceException, ClientHandlerException {
return handle(gt, build("POST", requestEntity));
}
@Override
public void delete() throws UniformInterfaceException, ClientHandlerException {
voidHandle(build("DELETE"));
}
@Override
public void delete(Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
voidHandle(build("DELETE", requestEntity));
}
@Override
public T delete(Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, build("DELETE"));
}
@Override
public T delete(GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, build("DELETE"));
}
@Override
public T delete(Class c, Object requestEntity) throws UniformInterfaceException, ClientHandlerException {
return handle(c, build("DELETE", requestEntity));
}
@Override
public T delete(GenericType gt, Object requestEntity)
throws UniformInterfaceException, ClientHandlerException {
return handle(gt, build("DELETE", requestEntity));
}
@Override
public void method(String method) throws UniformInterfaceException, ClientHandlerException {
voidHandle(build(method));
}
@Override
public void method(String method, Object requestEntity)
throws UniformInterfaceException, ClientHandlerException {
voidHandle(build(method, requestEntity));
}
@Override
public T method(String method, Class c) throws UniformInterfaceException, ClientHandlerException {
return handle(c, build(method));
}
@Override
public T method(String method, GenericType gt) throws UniformInterfaceException, ClientHandlerException {
return handle(gt, build(method));
}
@Override
public T method(String method, Class c, Object requestEntity)
throws UniformInterfaceException, ClientHandlerException {
return handle(c, build(method, requestEntity));
}
@Override
public T method(String method, GenericType gt, Object requestEntity)
throws UniformInterfaceException, ClientHandlerException {
return handle(gt, build(method, requestEntity));
}
}
/**
* Sets WebResource related property.
*
* @param property property identifier.
* @param value value of given property.
*/
public void setProperty(String property, Object value) {
this.getProperties().put(property, value);
}
/**
* Gets WebResource related properties.
*
* Properties are inherited, so setting properties on "parent" WebResource
* instance, creating child (for example via WebResource.path("subpath"))
* will set parents properties on it. However changing child properties
* won't cause change in parent's properties.
*
*
Methods entrySet(), keySet() and values() are returning read-only
* results (via Collection.unmodifiableMap).
*
* @return map containing all properties.
*/
public Map getProperties() {
if (properties == null) {
properties = new CopyOnWriteHashMap();
}
return properties;
}
private void setProperties(ClientRequest ro) {
if (properties != null) {
ro.setProperties(properties);
}
}
private T handle(Class c, ClientRequest ro) throws UniformInterfaceException, ClientHandlerException {
setProperties(ro);
ClientResponse r = getHeadHandler().handle(ro);
if (c == ClientResponse.class) return c.cast(r);
if (r.getStatus() < 300) return r.getEntity(c);
throw new UniformInterfaceException(r,
ro.getPropertyAsFeature(ClientConfig.PROPERTY_BUFFER_RESPONSE_ENTITY_ON_EXCEPTION, true));
}
private T handle(GenericType gt, ClientRequest ro) throws UniformInterfaceException, ClientHandlerException {
setProperties(ro);
ClientResponse r = getHeadHandler().handle(ro);
if (gt.getRawClass() == ClientResponse.class) return gt.getRawClass().cast(r);
if (r.getStatus() < 300) return r.getEntity(gt);
throw new UniformInterfaceException(r,
ro.getPropertyAsFeature(ClientConfig.PROPERTY_BUFFER_RESPONSE_ENTITY_ON_EXCEPTION, true));
}
private void voidHandle(ClientRequest ro) throws UniformInterfaceException, ClientHandlerException {
setProperties(ro);
ClientResponse r = getHeadHandler().handle(ro);
if (r.getStatus() >= 300)
throw new UniformInterfaceException(r,
ro.getPropertyAsFeature(ClientConfig.PROPERTY_BUFFER_RESPONSE_ENTITY_ON_EXCEPTION, true));
r.close();
}
}