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Request.java
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/*
* Copyright 2013 Netflix, Inc.
*
* 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 feign;
import com.google.common.base.Objects;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableListMultimap;
import java.util.Map.Entry;
import static com.google.common.base.Objects.equal;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* An immutable request to an http server.
* <p/>
* <h4>Note</h4>
* <p/>
* Since {@link Feign} is designed for non-binary apis, and expectations are
* that any request can be replayed, we only support a String body.
*/
public final class Request {
private final String method;
private final String url;
private final ImmutableListMultimap<String, String> headers;
private final Optional<String> body;
Request(String method, String url, ImmutableListMultimap<String, String> headers, Optional<String> body) {
this.method = checkNotNull(method, "method of %s", url);
this.url = checkNotNull(url, "url");
this.headers = checkNotNull(headers, "headers of %s %s", method, url);
this.body = checkNotNull(body, "body of %s %s", method, url);
}
/* Method to invoke on the server. */
public String method() {
return method;
}
/* Fully resolved URL including query. */
public String url() {
return url;
}
/* Ordered list of headers that will be sent to the server. */
public ImmutableListMultimap<String, String> headers() {
return headers;
}
/* If present, this is the replayable body to send to the server. */
public Optional<String> body() {
return body;
}
/* Controls the per-request settings currently required to be implemented by all {@link Client clients} */
public static class Options {
private final int connectTimeoutMillis;
private final int readTimeoutMillis;
public Options(int connectTimeoutMillis, int readTimeoutMillis) {
this.connectTimeoutMillis = connectTimeoutMillis;
this.readTimeoutMillis = readTimeoutMillis;
}
public Options() {
this(10 * 1000, 60 * 1000);
}
/**
* Defaults to 10 seconds. {@code 0} implies no timeout.
*
* @see java.net.HttpURLConnection#getConnectTimeout()
*/
public int connectTimeoutMillis() {
return connectTimeoutMillis;
}
/**
* Defaults to 60 seconds. {@code 0} implies no timeout.
*
* @see java.net.HttpURLConnection#getReadTimeout()
*/
public int readTimeoutMillis() {
return readTimeoutMillis;
}
}
@Override public int hashCode() {
return Objects.hashCode(method, url, headers, body);
}
@Override public boolean equals(Object obj) {
if (this == obj)
return true;
if (Request.class != obj.getClass())
return false;
Request that = Request.class.cast(obj);
return equal(this.method, that.method) && equal(this.url, that.url) && equal(this.headers, that.headers)
&& equal(this.body, that.body);
}
@Override public String toString() {
StringBuilder builder = new StringBuilder();
builder.append(method).append(' ').append(url).append(" HTTP/1.1\n");
for (Entry<String, String> header : headers.entries()) {
builder.append(header.getKey()).append(": ").append(header.getValue()).append('\n');
}
if (body.isPresent()) {
builder.append('\n').append(body.get());
}
return builder.toString();
}
}