org.seppiko.commons.utils.http.HttpResponseImpl Maven / Gradle / Ivy
/*
* Copyright 2023 the original author or authors.
*
* 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.seppiko.commons.utils.http;
import java.net.URI;
import java.net.http.HttpClient.Version;
import java.net.http.HttpHeaders;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.Optional;
import java.util.concurrent.CancellationException;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import javax.net.ssl.SSLSession;
/**
* HttpResponse implementation
*
* @author Leonard Woo
*/
public class HttpResponseImpl implements HttpResponse {
private final CompletableFuture> resp;
/**
* Constructor
*
* @param resp http response
*/
public HttpResponseImpl(CompletableFuture> resp) {
this.resp = resp;
}
/**
* Returns the status code for this response.
*
* @return the response code
*/
@Override
public int statusCode() {
try {
return resp.thenApply(HttpResponse::statusCode).get();
} catch (ExecutionException | CancellationException e) {
throw new HttpRuntimeException(e);
} catch (InterruptedException e) {
throw interrupt(e);
}
}
/**
* Returns the HttpRequest corresponding to this response.
*
* @return the request
* @see #previousResponse()
*/
@Override
public HttpRequest request() {
try {
return resp.thenApply(HttpResponse::request).get();
} catch (ExecutionException | CancellationException e) {
throw new HttpRuntimeException(e);
} catch (InterruptedException e) {
throw interrupt(e);
}
}
/**
* Returns an {@code Optional} containing the previous intermediate response if one was received.
*
* @return an Optional containing the HttpResponse, if any.
*/
@Override
public Optional> previousResponse() {
try {
return resp.thenApply(HttpResponse::previousResponse).get();
} catch (ExecutionException | CancellationException e) {
throw new HttpRuntimeException(e);
} catch (InterruptedException e) {
throw interrupt(e);
}
}
/**
* Returns the received response headers.
*
* @return the response headers
*/
@Override
public HttpHeaders headers() {
try {
return resp.thenApply(HttpResponse::headers).get();
} catch (ExecutionException | CancellationException e) {
throw new HttpRuntimeException(e);
} catch (InterruptedException e) {
throw interrupt(e);
}
}
/**
* Returns the body.
*
* If this {@code HttpResponse} was returned from an invocation of {@link #previousResponse()}
* then this method returns {@code null}
*
* @return the body
*/
@Override
public T body() {
try {
return resp.thenApply(HttpResponse::body).get();
} catch (ExecutionException | CancellationException e) {
throw new HttpRuntimeException(e);
} catch (InterruptedException e) {
throw interrupt(e);
}
}
/**
* Returns an {@link Optional} containing the {@link SSLSession} in effect for this response.
*
* @return an {@code Optional} containing the {@code SSLSession} associated with the response
*/
@Override
public Optional sslSession() {
try {
return resp.thenApply(HttpResponse::sslSession).get();
} catch (ExecutionException | CancellationException e) {
throw new HttpRuntimeException(e);
} catch (InterruptedException e) {
throw interrupt(e);
}
}
/**
* Returns the {@code URI} that the response was received from. This may be different from the
* request {@code URI} if redirection occurred.
*
* @return the URI of the response
*/
@Override
public URI uri() {
try {
return resp.thenApply(HttpResponse::uri).get();
} catch (ExecutionException | CancellationException e) {
throw new HttpRuntimeException(e);
} catch (InterruptedException e) {
throw interrupt(e);
}
}
/**
* Returns the HTTP protocol version that was used for this response.
*
* @return HTTP protocol version
*/
@Override
public Version version() {
try {
return resp.thenApply(HttpResponse::version).get();
} catch (ExecutionException | CancellationException e) {
throw new HttpRuntimeException(e);
} catch (InterruptedException e) {
throw interrupt(e);
}
}
private RuntimeException interrupt(InterruptedException ex) throws HttpInterruptedException {
Thread.currentThread().interrupt();
return new HttpInterruptedException(ex);
}
}