/*
* 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.capability.internal.storage;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;
import java.nio.file.Files;
import java.nio.file.StandardCopyOption;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import org.sonatype.nexus.configuration.application.ApplicationDirectories;
import org.sonatype.nexus.plugins.capabilities.internal.config.persistence.CCapability;
import org.sonatype.nexus.plugins.capabilities.internal.config.persistence.CCapabilityProperty;
import org.sonatype.nexus.plugins.capabilities.internal.config.persistence.Configuration;
import org.sonatype.nexus.plugins.capabilities.internal.config.persistence.io.xpp3.NexusCapabilitiesConfigurationXpp3Reader;
import org.sonatype.sisu.goodies.common.ComponentSupport;
import com.google.common.collect.Maps;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
/**
* Converts legacy XML {@code etc/capabilities.xml} configuration to current storage implementation.
*
* @since 2.8
*/
@Named
@Singleton
public class LegacyCapabilityStorageConverter
extends ComponentSupport
{
private final ApplicationDirectories applicationDirectories;
private final CapabilityStorage capabilityStorage;
@Inject
public LegacyCapabilityStorageConverter(final ApplicationDirectories applicationDirectories,
final CapabilityStorage capabilityStorage)
{
this.applicationDirectories = checkNotNull(applicationDirectories);
this.capabilityStorage = checkNotNull(capabilityStorage);
}
public void maybeConvert() throws Exception {
File dir = applicationDirectories.getWorkDirectory("etc");
File file = new File(dir, "capabilities.xml");
if (file.exists()) {
log.info("Importing legacy capability entities from: {}", file);
// ensure current store is empty
checkState(capabilityStorage.getAll().isEmpty(), "Capability store already contains entities; aborting");
// convert entities, move file out of the way so next run does not attempt this conversion
convert(rename(file));
}
}
private File rename(final File file) throws IOException {
File backupFile = new File(file.getParentFile(), file.getName() + ".old");
Files.copy(file.toPath(), backupFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
Files.delete(file.toPath());
return backupFile;
}
private void convert(final File file) throws Exception {
try (Reader reader = new BufferedReader(new FileReader(file))) {
Configuration configuration = new NexusCapabilitiesConfigurationXpp3Reader().read(reader);
List<CCapability> capabilities = configuration.getCapabilities();
if (capabilities == null) {
log.info("No capabilities defined to convert; aborting");
return;
}
for (final CCapability c : capabilities) {
// HACK: do not convert outreach related capabilities and let outreach plugin recreate them (NEXUS-6349)
if ("OutreachMarkerCapability".equals(c.getTypeId()) ||
"OutreachManagementCapability".equals(c.getTypeId())) {
continue;
}
Map<String, String> properties = Maps.newHashMap();
if (c.getProperties() != null) {
for (final CCapabilityProperty property : c.getProperties()) {
properties.put(property.getKey(), property.getValue());
}
}
capabilityStorage.add(new CapabilityStorageItem(
c.getVersion(), c.getTypeId(), c.isEnabled(), c.getNotes(), properties
));
}
log.info("Converted {} legacy capability entities", capabilities.size());
}
}
}