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ZanataProxyFactory.java
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ZanataProxyFactory.java
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package org.zanata.rest.client;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.jboss.resteasy.client.ClientExecutor;
import org.jboss.resteasy.client.ClientRequestFactory;
import org.jboss.resteasy.client.ClientResponse;
import org.jboss.resteasy.plugins.providers.RegisterBuiltin;
import org.jboss.resteasy.spi.ResteasyProviderFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.zanata.rest.RestConstant;
import org.zanata.rest.dto.VersionInfo;
import org.zanata.rest.service.AsynchronousProcessResource;
import org.zanata.rest.service.CopyTransResource;
import org.zanata.rest.service.StatisticsResource;
import javax.ws.rs.core.Response;
public class ZanataProxyFactory implements ITranslationResourcesFactory
{
private String clientVersion;
private String serverVersion;
static
{
ResteasyProviderFactory instance = ResteasyProviderFactory.getInstance();
RegisterBuiltin.register(instance);
}
private static final Logger log = LoggerFactory.getLogger(ZanataProxyFactory.class);
private final ClientRequestFactory crf;
public ZanataProxyFactory(String username, String apiKey, VersionInfo clientApiVersion)
{
this(null, username, apiKey, clientApiVersion);
}
public ZanataProxyFactory(URI base, String username, String apiKey, VersionInfo clientApiVersion)
{
this(base, username, apiKey, null, clientApiVersion, false);
}
public ZanataProxyFactory(URI base, String username, String apiKey, VersionInfo clientApiVersion, boolean logHttp)
{
this(base, username, apiKey, null, clientApiVersion, logHttp);
}
public ZanataProxyFactory(URI base, String username, String apiKey, ClientExecutor executor, VersionInfo clientApiVersion,
boolean logHttp)
{
crf = new ClientRequestFactory(executor, null, fixBase(base));
registerPrefixInterceptor(new TraceDebugInterceptor(logHttp));
registerPrefixInterceptor(new ApiKeyHeaderDecorator(username, apiKey, clientApiVersion.getVersionNo()));
clientVersion = clientApiVersion.getVersionNo();
String clientTimestamp = clientApiVersion.getBuildTimeStamp();
IVersionResource iversion = createIVersionResource();
ClientResponse<VersionInfo> versionResp = iversion.get();
VersionInfo serverVersionInfo = null;
// unauthorized
if( versionResp.getResponseStatus() == Response.Status.UNAUTHORIZED )
{
throw new RuntimeException("Incorrect username/password");
}
else
{
serverVersionInfo = versionResp.getEntity();
}
serverVersion = serverVersionInfo.getVersionNo();
String serverTimestamp = serverVersionInfo.getBuildTimeStamp();
log.info("client API version: {}, server API version: {}", clientVersion, serverVersion);
if (!serverVersion.equals(clientVersion))
{
log.warn("client API version is {}, but server API version is {}", clientVersion, serverVersion);
}
else if (serverVersion.contains(RestConstant.SNAPSHOT_VERSION) && !serverTimestamp.equalsIgnoreCase(clientTimestamp))
{
log.warn("client API timestamp is {}, but server API timestamp is {}", clientTimestamp, serverTimestamp);
}
}
/**
* Returns the Base url to be used for rest Requests.
*/
private URL getBaseUrl()
{
try
{
return new URL(fixBase(crf.getBase()).toString() + getUrlPrefix());
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
}
protected String getUrlPrefix()
{
return "rest";
}
public <T> T createProxy(Class<T> clazz, URI baseUri)
{
log.debug("{} proxy uri: {}", clazz.getSimpleName(), baseUri);
T proxy = crf.createProxy(clazz, baseUri);
// CacheFactory.makeCacheable(proxy);
return proxy;
}
/**
* Returns a client proxy, provided all information is on the proxied interface.
* (i.e. The interface is marked with a {@link javax.ws.rs.Path} annotation.)
*
* @param clazz Client interface to proxy.
* @return Client proxy for the class.
* @see {@link ZanataProxyFactory#createProxy(Class, java.net.URI)}
*/
public <T> T createProxy(Class<T> clazz)
{
try
{
return createProxy(clazz, new URI(getBaseUrl().toString()));
}
catch (URISyntaxException e)
{
throw new RuntimeException(e);
}
}
private static URI fixBase(URI base)
{
if (base != null)
{
String baseString = base.toString();
if (!baseString.endsWith("/"))
{
try
{
URI result = new URI(baseString + "/");
log.warn("Appending '/' to base URL '{}': using '{}'", baseString, result);
return result;
}
catch (URISyntaxException e)
{
throw new RuntimeException(e);
}
}
}
return base;
}
public IGlossaryResource getGlossaryResource()
{
return createProxy(IGlossaryResource.class, getGlossaryResourceURI());
}
public URI getGlossaryResourceURI()
{
try
{
URL url = new URL(getBaseUrl(), "glossary");
return url.toURI();
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
catch (URISyntaxException e)
{
throw new RuntimeException(e);
}
}
public IAccountResource getAccount(String username)
{
return createProxy(IAccountResource.class, getAccountURI(username));
}
public URI getAccountURI(String username)
{
try
{
URL url = new URL(getBaseUrl(), "accounts/u/" + username);
return url.toURI();
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
catch (URISyntaxException e)
{
throw new RuntimeException(e);
}
}
public IProjectResource getProject(String proj)
{
return createProxy(IProjectResource.class, getProjectURI(proj));
}
public URI getProjectURI(String proj)
{
try
{
URL url = new URL(getBaseUrl(), "projects/p/" + proj);
return url.toURI();
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
catch (URISyntaxException e)
{
throw new RuntimeException(e);
}
}
public IProjectIterationResource getProjectIteration(String proj, String iter)
{
return createProxy(IProjectIterationResource.class, getProjectIterationURI(proj, iter));
}
public URI getProjectIterationURI(String proj, String iter)
{
try
{
URL url = new URL(getBaseUrl(), "projects/p/" + proj + "/iterations/i/" + iter);
return url.toURI();
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
catch (URISyntaxException e)
{
throw new RuntimeException(e);
}
}
// NB IProjectsResource is not currently used in Java
public IProjectsResource getProjects(final URI uri)
{
return createProxy(IProjectsResource.class, uri);
}
@Override
public ITranslatedDocResource getTranslatedDocResource(String projectSlug, String versionSlug)
{
return createProxy(ITranslatedDocResource.class, getResourceURI(projectSlug, versionSlug));
}
public ISourceDocResource getSourceDocResource(String projectSlug, String versionSlug)
{
return createProxy(ISourceDocResource.class, getResourceURI(projectSlug, versionSlug));
}
public IFileResource getFileResource()
{
return createProxy(IFileResource.class, getFileURI() );
}
private URI getFileURI()
{
String spec = "file/";
try
{
return new URL(getBaseUrl(), spec).toURI();
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
catch (URISyntaxException e)
{
log.error("URI Syntax error. Part of url: {}", spec);
throw new RuntimeException(e);
}
}
public StatisticsResource getStatisticsResource()
{
// NB: No specific client interface (not needed)
return createProxy(StatisticsResource.class);
}
public CopyTransResource getCopyTransResource()
{
// NB: No specific client interface (not needed)
return createProxy(CopyTransResource.class);
}
public AsynchronousProcessResource getAsynchronousProcessResource()
{
return createProxy(AsynchronousProcessResource.class);
}
@Override
public URI getResourceURI(String projectSlug, String versionSlug)
{
String spec = "projects/p/" + projectSlug + "/iterations/i/" + versionSlug + "/r";
try
{
return new URL(getBaseUrl(), spec).toURI();
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
catch (URISyntaxException e)
{
String msg = "URI Syntax error. Please make sure your project (project ID) and version are correct.";
log.error(msg);
log.error("part of your url: {}", spec);
throw new RuntimeException(msg);
}
}
/**
* @see org.jboss.resteasy.client.core.ClientInterceptorRepositoryImpl#registerInterceptor(Object)
* @param interceptor
*/
public void registerPrefixInterceptor(Object interceptor)
{
crf.getPrefixInterceptors().registerInterceptor(interceptor);
}
protected IVersionResource createIVersionResource()
{
URL url;
try
{
url = new URL(getBaseUrl(), "version");
return createProxy(IVersionResource.class, url.toURI());
}
catch (MalformedURLException e)
{
throw new RuntimeException(e);
}
catch (URISyntaxException e)
{
throw new RuntimeException(e);
}
}
/**
* Compares a given version identifier with the server version.
*
* @param version The version to against which to compare the server version.
* @return A positive integer if the server version is greater than the given version.
* A negative integer if the server version is less than the given version.
* 0 if both versions are the same.
*/
public int compareToServerVersion( String version )
{
DefaultArtifactVersion srvVersion = new DefaultArtifactVersion(serverVersion);
DefaultArtifactVersion providedVersion = new DefaultArtifactVersion(version);
return srvVersion.compareTo( providedVersion );
}
}