/
RtDockerSystem.java
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/
RtDockerSystem.java
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package com.amihaiemil.docker;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import java.io.IOException;
import java.net.URI;
/**
* System API.
*
* @author Boris Kuzmic (boris.kuzmic@gmail.com)
* @since 0.0.6
*/
public final class RtDockerSystem implements DockerSystem {
/**
* Apache HttpClient which sends the requests.
*/
private final HttpClient client;
/**
* Base URI.
*/
private final URI baseUri;
/**
* Docker engine.
*/
private Docker docker;
/**
* Ctor.
*
* @param client Given HTTP Client.
* @param baseUri Base URI, ending with /system.
* @param dkr The Docker engine.
*/
RtDockerSystem(final HttpClient client, final URI baseUri,
final Docker dkr) {
this.client = client;
this.baseUri = baseUri;
this.docker = dkr;
}
@Override
public DiskSpaceInfo diskUsage() throws IOException,
UnexpectedResponseException {
final HttpGet init = new HttpGet(this.baseUri.toString() + "/df");
try {
return new SystemDiskSpaceInfo(this.client.execute(
init,
new ReadJsonObject(
new MatchStatus(
init.getURI(),
HttpStatus.SC_OK
)
)
));
} finally {
init.releaseConnection();
}
}
}