/*
* 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.proxy.maven.metadata;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.sonatype.nexus.proxy.maven.metadata.operations.AddPluginOperation;
import org.sonatype.nexus.proxy.maven.metadata.operations.MetadataBuilder;
import org.sonatype.nexus.proxy.maven.metadata.operations.MetadataException;
import org.sonatype.nexus.proxy.maven.metadata.operations.MetadataOperation;
import org.sonatype.nexus.proxy.maven.metadata.operations.ModelVersionUtility;
import org.sonatype.nexus.proxy.maven.metadata.operations.PluginOperand;
import org.apache.maven.artifact.repository.metadata.Metadata;
import org.apache.maven.artifact.repository.metadata.Plugin;
import static org.sonatype.nexus.proxy.maven.metadata.operations.MetadataUtil.isPluginEquals;
/**
* Process maven metadata in plugin group directory
*
* @author juven
*/
public class GroupDirMetadataProcessor
extends AbstractMetadataProcessor
{
public GroupDirMetadataProcessor(AbstractMetadataHelper metadataHelper) {
super(metadataHelper);
}
@Override
public void processMetadata(String path)
throws IOException
{
Metadata md = createMetadata(path);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
MetadataBuilder.write(md, outputStream);
String mdString = outputStream.toString();
outputStream.close();
metadataHelper.store(mdString, path + AbstractMetadataHelper.METADATA_SUFFIX);
}
private Metadata createMetadata(String path)
throws IOException
{
try {
Metadata md = new Metadata();
List<MetadataOperation> ops = new ArrayList<MetadataOperation>();
for (Plugin plugin : metadataHelper.gData.get(path)) {
ops.add(new AddPluginOperation(new PluginOperand(ModelVersionUtility.LATEST_MODEL_VERSION, plugin)));
}
MetadataBuilder.changeMetadata(md, ops);
return md;
}
catch (MetadataException e) {
throw new IOException(e);
}
}
@Override
public boolean shouldProcessMetadata(String path) {
Collection<Plugin> plugins = metadataHelper.gData.get(path);
if (plugins != null && !plugins.isEmpty()) {
return true;
}
return false;
}
@Override
public void postProcessMetadata(String path) {
metadataHelper.gData.remove(path);
}
@Override
protected boolean isMetadataCorrect(Metadata oldMd, String path)
throws IOException
{
Metadata md = createMetadata(path);
List<Plugin> oldPlugins = oldMd.getPlugins();
if (oldPlugins == null) {
return false;
}
List<Plugin> plugins = md.getPlugins();
if (oldPlugins.size() != plugins.size()) {
return false;
}
for (int i = 0; i < oldPlugins.size(); i++) {
Plugin oldPlugin = oldPlugins.get(i);
if (!containPlugin(plugins, oldPlugin)) {
return false;
}
}
return true;
}
private boolean containPlugin(List<Plugin> plugins, Plugin expect) {
for (Plugin plugin : plugins) {
if (isPluginEquals(plugin, expect)) {
return true;
}
}
return false;
}
}