org.apache.maven.plugin.registry.DefaultPluginRegistryBuilder Maven / Gradle / Ivy
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package org.apache.maven.plugin.registry;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.maven.plugin.registry.io.xpp3.PluginRegistryXpp3Reader;
import org.codehaus.plexus.logging.AbstractLogEnabled;
import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.ReaderFactory;
import org.codehaus.plexus.util.StringUtils;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
import java.io.File;
import java.io.IOException;
import java.io.Reader;
public class DefaultPluginRegistryBuilder
extends AbstractLogEnabled
implements MavenPluginRegistryBuilder, Initializable
{
public static final String userHome = System.getProperty( "user.home" );
/**
* @configuration
*/
private String userRegistryPath;
/**
* @configuration
*/
private String globalRegistryPath;
private File userRegistryFile;
private File globalRegistryFile;
// ----------------------------------------------------------------------
// Component Lifecycle
// ----------------------------------------------------------------------
public void initialize()
{
userRegistryFile = getFile( userRegistryPath, "user.home", MavenPluginRegistryBuilder.ALT_USER_PLUGIN_REG_LOCATION );
getLogger().debug( "Building Maven user-level plugin registry from: '" + userRegistryFile.getAbsolutePath() + "'" );
if ( System.getProperty( "maven.home" ) != null ||
System.getProperty( MavenPluginRegistryBuilder.ALT_GLOBAL_PLUGIN_REG_LOCATION ) != null )
{
globalRegistryFile = getFile( globalRegistryPath, "maven.home", MavenPluginRegistryBuilder.ALT_GLOBAL_PLUGIN_REG_LOCATION );
getLogger().debug( "Building Maven global-level plugin registry from: '" + globalRegistryFile.getAbsolutePath() + "'" );
}
}
public PluginRegistry buildPluginRegistry()
throws IOException, XmlPullParserException
{
PluginRegistry global = readPluginRegistry( globalRegistryFile );
PluginRegistry user = readPluginRegistry( userRegistryFile );
if ( user == null && global != null )
{
// we'll use the globals, but first we have to recursively mark them as global...
PluginRegistryUtils.recursivelySetSourceLevel( global, PluginRegistry.GLOBAL_LEVEL );
user = global;
}
else
{
// merge non-colliding plugins into the user registry.
PluginRegistryUtils.merge( user, global, TrackableBase.GLOBAL_LEVEL );
}
return user;
}
private PluginRegistry readPluginRegistry( File registryFile )
throws IOException, XmlPullParserException
{
PluginRegistry registry = null;
if ( registryFile != null && registryFile.exists() && registryFile.isFile() )
{
Reader reader = null;
try
{
reader = ReaderFactory.newXmlReader( registryFile );
PluginRegistryXpp3Reader modelReader = new PluginRegistryXpp3Reader();
registry = modelReader.read( reader );
RuntimeInfo rtInfo = new RuntimeInfo( registry );
registry.setRuntimeInfo( rtInfo );
rtInfo.setFile( registryFile );
}
finally
{
IOUtil.close( reader );
}
}
return registry;
}
private File getFile( String pathPattern, String basedirSysProp, String altLocationSysProp )
{
// -------------------------------------------------------------------------------------
// Alright, here's the justification for all the regexp wizardry below...
//
// Continuum and other server-like apps may need to locate the user-level and
// global-level settings somewhere other than ${user.home} and ${maven.home},
// respectively. Using a simple replacement of these patterns will allow them
// to specify the absolute path to these files in a customized components.xml
// file. Ideally, we'd do full pattern-evaluation against the sysprops, but this
// is a first step. There are several replacements below, in order to normalize
// the path character before we operate on the string as a regex input, and
// in order to avoid surprises with the File construction...
// -------------------------------------------------------------------------------------
String path = System.getProperty( altLocationSysProp );
if ( StringUtils.isEmpty( path ) )
{
// TODO: This replacing shouldn't be necessary as user.home should be in the
// context of the container and thus the value would be interpolated by Plexus
String basedir = System.getProperty( basedirSysProp );
basedir = basedir.replaceAll( "\\\\", "/" );
basedir = basedir.replaceAll("\\$", "\\\\\\$");
path = pathPattern.replaceAll( "\\$\\{" + basedirSysProp + "\\}", basedir );
path = path.replaceAll( "\\\\", "/" );
path = path.replaceAll( "//", "/" );
return new File( path ).getAbsoluteFile();
}
else
{
return new File( path ).getAbsoluteFile();
}
}
public PluginRegistry createUserPluginRegistry()
{
PluginRegistry registry = new PluginRegistry();
RuntimeInfo rtInfo = new RuntimeInfo( registry );
registry.setRuntimeInfo( rtInfo );
rtInfo.setFile( userRegistryFile );
return registry;
}
}