diff --git a/src/main/java/com/github/dockerjava/client/DockerClient.java b/src/main/java/com/github/dockerjava/client/DockerClient.java index 939b7a7cf..0c3936db6 100644 --- a/src/main/java/com/github/dockerjava/client/DockerClient.java +++ b/src/main/java/com/github/dockerjava/client/DockerClient.java @@ -34,6 +34,7 @@ import com.github.dockerjava.client.command.ListContainersCmd; import com.github.dockerjava.client.command.ListImagesCmd; import com.github.dockerjava.client.command.LogContainerCmd; +import com.github.dockerjava.client.command.PingCmd; import com.github.dockerjava.client.command.PullImageCmd; import com.github.dockerjava.client.command.PushImageCmd; import com.github.dockerjava.client.command.RemoveContainerCmd; @@ -174,6 +175,10 @@ public AuthCmd authCmd() { public InfoCmd infoCmd() throws DockerException { return new InfoCmd().withBaseResource(baseResource); } + + public PingCmd pingCmd() { + return new PingCmd().withBaseResource(baseResource); + } public VersionCmd versionCmd() throws DockerException { return new VersionCmd().withBaseResource(baseResource); diff --git a/src/main/java/com/github/dockerjava/client/command/PingCmd.java b/src/main/java/com/github/dockerjava/client/command/PingCmd.java new file mode 100644 index 000000000..e017617a5 --- /dev/null +++ b/src/main/java/com/github/dockerjava/client/command/PingCmd.java @@ -0,0 +1,29 @@ +package com.github.dockerjava.client.command; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.sun.jersey.api.client.ClientResponse; +import com.sun.jersey.api.client.UniformInterfaceException; +import com.sun.jersey.api.client.WebResource; + +/** + * Ping the Docker server + * + */ +public class PingCmd extends AbstrDockerCmd { + + private static final Logger LOGGER = LoggerFactory.getLogger(PingCmd.class); + + protected Integer impl() { + WebResource webResource = baseResource.path("/_ping"); + + try { + LOGGER.trace("GET: {}", webResource); + ClientResponse resp = webResource.get(ClientResponse.class); + return resp.getStatus(); + } catch (UniformInterfaceException exception) { + return exception.getResponse().getStatus(); + } + } +}