/*
* Sonatype Nexus (TM) Open Source Version
* Copyright (c) 2007-2014 Sonatype, Inc.
* All rights reserved. Includes the third-party code listed at http://links.sonatype.com/products/nexus/oss/attributions.
*
* This program and the accompanying materials are made available under the terms of the Eclipse Public License Version 1.0,
* which accompanies this distribution and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Sonatype Nexus (TM) Professional Version is available from Sonatype, Inc. "Sonatype" and "Sonatype Nexus" are trademarks
* of Sonatype, Inc. Apache Maven is a trademark of the Apache Software Foundation. M2eclipse is a trademark of the
* Eclipse Foundation. All other trademarks are the property of their respective owners.
*/
package org.sonatype.nexus.client.internal.rest.jersey.subsystem.config;
import org.sonatype.nexus.client.core.spi.SubsystemSupport;
import org.sonatype.nexus.client.core.subsystem.config.Segment;
import org.sonatype.nexus.client.rest.jersey.JerseyNexusClient;
import org.sonatype.nexus.rest.model.GlobalConfigurationResource;
import org.sonatype.nexus.rest.model.GlobalConfigurationResourceResponse;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Throwables;
import com.sun.jersey.api.client.ClientHandlerException;
import com.sun.jersey.api.client.UniformInterfaceException;
import org.apache.commons.beanutils.BeanUtils;
import static com.google.common.base.Preconditions.checkNotNull;
public abstract class JerseySegmentSupport<ME extends Segment, S>
extends SubsystemSupport<JerseyNexusClient>
implements Segment<ME, S>
{
private final S settings;
private GlobalConfigurationResource configuration;
public JerseySegmentSupport(final JerseyNexusClient nexusClient) {
super(nexusClient);
settings = checkNotNull(createSettings());
refresh();
}
@Override
public S settings() {
return settings;
}
@Override
public ME refresh() {
configuration = checkNotNull(getConfiguration());
copy(getSettingsFrom(configuration), settings);
return me();
}
@Override
public ME save() {
setSettingsIn(settings, configuration);
setConfiguration(configuration);
return refresh();
}
protected abstract S getSettingsFrom(final GlobalConfigurationResource configuration);
protected abstract void setSettingsIn(final S settings, final GlobalConfigurationResource configuration);
protected abstract S createSettings();
private void copy(final S configurationSettings, final S localSettings) {
S toCopy = configurationSettings;
if (configurationSettings == null) {
toCopy = createSettings();
}
try {
BeanUtils.copyProperties(localSettings, toCopy);
}
catch (final Exception e) {
throw Throwables.propagate(e);
}
}
ME me() {
return (ME) this;
}
@VisibleForTesting
GlobalConfigurationResource getConfiguration() {
try {
return getNexusClient()
.serviceResource("global_settings/current")
.get(GlobalConfigurationResourceResponse.class)
.getData();
}
catch (UniformInterfaceException e) {
throw getNexusClient().convert(e);
}
catch (ClientHandlerException e) {
throw getNexusClient().convert(e);
}
}
@VisibleForTesting
void setConfiguration(final GlobalConfigurationResource configuration) {
final GlobalConfigurationResourceResponse request = new GlobalConfigurationResourceResponse();
request.setData(configuration);
try {
getNexusClient().serviceResource("global_settings/current").put(request);
}
catch (UniformInterfaceException e) {
throw getNexusClient().convert(e);
}
catch (ClientHandlerException e) {
throw getNexusClient().convert(e);
}
}
}