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org.apache.felix.obrplugin.ObrUpdate Maven / Gradle / Ivy
/*
* 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.
*/
package org.apache.felix.obrplugin;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.lang.reflect.Method;
import java.net.URI;
import java.util.regex.Pattern;
import org.apache.felix.bundlerepository.Resource;
import org.apache.felix.bundlerepository.impl.DataModelHelperImpl;
import org.apache.felix.bundlerepository.impl.PullParser;
import org.apache.felix.bundlerepository.impl.RepositoryImpl;
import org.apache.felix.bundlerepository.impl.RepositoryParser;
import org.apache.felix.bundlerepository.impl.ResourceImpl;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.util.FileUtils;
import org.kxml2.io.KXmlParser;
import org.xmlpull.v1.XmlPullParser;
/**
* this class parse the old repository.xml file build the bundle resource description and update the repository.
* @author Felix Project Team
*/
public class ObrUpdate
{
private static Pattern TIMESTAMP = Pattern.compile( "-[0-9]{8}\\.[0-9]{6}-[0-9]+" );
private static Method setURI;
static
{
try
{
setURI = RepositoryImpl.class.getDeclaredMethod( "setURI", String.class );
setURI.setAccessible( true );
}
catch ( Exception e )
{
setURI = null;
}
}
/**
* logger for this plugin.
*/
private Log m_logger;
/**
* name and path to the repository descriptor file.
*/
private URI m_repositoryXml;
/**
* name and path to the obr.xml file.
*/
private URI m_obrXml;
/**
* maven project description.
*/
private MavenProject m_project;
/**
* user configuration information.
*/
private Config m_userConfig;
/**
* root on parent document.
*/
private RepositoryImpl m_repository;
/**
* used to store bundle information.
*/
private ResourceImpl m_resourceBundle;
/**
* base URI used to relativize bundle URIs.
*/
private URI m_baseURI;
/**
* initialize information.
* @param repositoryXml path to the repository descriptor file
* @param obrXml path and filename to the obr.xml file
* @param project maven project description
* @param mavenRepositoryPath path to the local maven repository
* @param userConfig user information
* @param logger plugin logger
*/
public ObrUpdate( URI repositoryXml, URI obrXml, MavenProject project, String mavenRepositoryPath,
Config userConfig, Log logger )
{
m_repositoryXml = repositoryXml;
m_obrXml = obrXml;
m_project = project;
m_logger = logger;
m_userConfig = userConfig;
if ( userConfig.isRemoteFile() )
{
m_baseURI = ObrUtils.toFileURI( mavenRepositoryPath );
}
else
{
m_baseURI = m_repositoryXml;
}
}
/**
* update the repository descriptor file. parse the old repository descriptor file,
* get the old reference of the bundle or determine the id for a new bundle, extract
* information from bindex set the new information in descriptor file and save it.
*
* @param bundleJar path to the bundle jar file
* @param sourceJar path to the source jar file
* @param docJar path to the docs jar file
*
* @throws MojoExecutionException if the plugin failed
*/
public void updateRepository( URI bundleJar, URI sourceJar, URI docJar ) throws MojoExecutionException
{
m_logger.debug( " (f) repositoryXml = " + m_repositoryXml );
m_logger.debug( " (f) bundleJar = " + bundleJar );
m_logger.debug( " (f) sourceJar = " + sourceJar );
m_logger.debug( " (f) docJar = " + docJar );
m_logger.debug( " (f) obrXml = " + m_obrXml );
if ( m_repository == null )
{
return;
}
// get the file size
File bundleFile = new File( bundleJar );
if ( !bundleFile.exists() )
{
String snapshot = TIMESTAMP.matcher( bundleFile.getName() ).replaceFirst( "-SNAPSHOT" );
bundleFile = new File( bundleFile.getParentFile(), snapshot );
}
if ( bundleFile.exists() )
{
URI resourceURI = m_userConfig.getRemoteBundle();
if ( null == resourceURI )
{
resourceURI = bundleJar;
if ( m_userConfig.isPathRelative() )
{
resourceURI = ObrUtils.getRelativeURI( m_baseURI, resourceURI );
}
}
if ( m_userConfig.isRemoteFile() )
{
m_logger.info( "Deploying " + resourceURI );
}
else
{
m_logger.info( "Installing " + resourceURI );
}
try
{
m_resourceBundle = ( ResourceImpl ) new DataModelHelperImpl().createResource( bundleFile.toURI().toURL() );
if ( m_resourceBundle == null )
{
return;
}
}
catch ( IOException e )
{
throw new MojoExecutionException( "Unable to load resource information", e );
}
m_resourceBundle.put( Resource.SIZE, String.valueOf( bundleFile.length() ) );
m_resourceBundle.put( Resource.URI, resourceURI.toASCIIString() );
}
else
{
m_logger.error( "file doesn't exist: " + bundleJar );
return;
}
// parse the obr.xml file
if ( m_obrXml != null )
{
m_logger.info( "Adding " + m_obrXml );
// URL url = getClass().getResource("/SchemaObr.xsd");
// TODO validate obr.xml file
// add contents to resource bundle
parseObrXml();
}
String sourcePath = relativisePath( sourceJar );
String docPath = relativisePath( docJar );
// m_resourceBundle.construct( m_project, bindexExtractor, sourcePath, docPath );
// TODO: rebuild wrt m_project
m_repository.addResource( m_resourceBundle );
m_repository.setLastModified( System.currentTimeMillis() );
}
private String relativisePath( URI uri )
{
if ( null != uri )
{
if ( m_userConfig.isPathRelative() )
{
return ObrUtils.getRelativeURI( m_baseURI, uri ).toASCIIString();
}
return uri.toASCIIString();
}
return null;
}
public void writeRepositoryXml() throws MojoExecutionException
{
m_logger.info( "Writing OBR metadata" );
File file = null;
Writer writer;
try
{
file = File.createTempFile( "repository", ".xml" );
writer = new OutputStreamWriter( new FileOutputStream( file ) );
}
catch ( IOException e )
{
m_logger.error( "Unable to write to file: " + file.getName() );
e.printStackTrace();
throw new MojoExecutionException( "Unable to write to file: " + file.getName() + " : " + e.getMessage() );
}
try
{
new DataModelHelperImpl().writeRepository( m_repository, writer );
}
catch ( IOException e )
{
throw new MojoExecutionException( "Unable to write repository xml", e );
}
try
{
writer.flush();
writer.close();
File outputFile = new File( m_repositoryXml );
outputFile.getParentFile().mkdirs();
FileUtils.rename( file, outputFile );
}
catch ( IOException e )
{
e.printStackTrace();
throw new MojoExecutionException( "IOException" );
}
}
/**
* Parse the repository descriptor file.
*
* @throws MojoExecutionException if the plugin failed
*/
public void parseRepositoryXml() throws MojoExecutionException
{
File fout = new File( m_repositoryXml );
if ( !fout.exists() )
{
m_repository = new RepositoryImpl();
writeRepositoryXml();
}
else
{
try
{
m_repository = ( RepositoryImpl ) new DataModelHelperImpl().repository( m_repositoryXml.toURL() );
if ( setURI != null )
{
setURI.invoke( m_repository, ( String ) null );
}
}
catch ( Exception e )
{
throw new MojoExecutionException( "Unable to read repository xml: " + m_repositoryXml, e );
}
}
}
/**
* put the information from obr.xml into ressourceBundle object.
*/
private void parseObrXml() throws MojoExecutionException
{
try
{
InputStream is = new FileInputStream( new File( m_obrXml ) );
try
{
KXmlParser kxp = new KXmlParser();
kxp.setInput( is, null );
kxp.nextTag(); // skip top level element
kxp.nextTag(); // go to first child element
parseObrXml( kxp );
}
finally
{
is.close();
}
}
catch ( Exception e )
{
throw new MojoExecutionException( "Unable to parse obr xml: " + m_obrXml, e );
}
}
private void parseObrXml( KXmlParser kxp ) throws Exception
{
PullParser parser = new PullParser();
while ( kxp.getEventType() == XmlPullParser.START_TAG )
{
if ( RepositoryParser.CATEGORY.equals( kxp.getName() ) )
{
m_resourceBundle.addCategory( parser.parseCategory( kxp ) );
}
else if ( RepositoryParser.REQUIRE.equals( kxp.getName() ) )
{
m_resourceBundle.addRequire( parser.parseRequire( kxp ) );
}
else if ( RepositoryParser.CAPABILITY.equals( kxp.getName() ) )
{
m_resourceBundle.addCapability( parser.parseCapability( kxp ) );
}
else
{
kxp.nextTag();
parseObrXml( kxp );
}
kxp.nextTag();
}
}
}