org.apache.maven.plugin.eclipse.writers.EclipseOSGiManifestWriter Maven / Gradle / Ivy
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The Eclipse Plugin is used to generate Eclipse IDE files (.project, .classpath and the .settings folder)
from a POM.
/*
* 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.maven.plugin.eclipse.writers;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Arrays;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.eclipse.Messages;
import org.apache.maven.plugin.ide.IdeDependency;
import org.codehaus.plexus.util.IOUtil;
import org.codehaus.plexus.util.StringUtils;
/**
* The EclipseOSGiManifestWriter ensures that value of the "Bundle-Classpath" property in
* META-INF/MANIFEST.MF is synchronized with the POM by adding all dependencies that don't have the scope provided.
*
* @deprecated use Maven Bundle plugin
* from Felix
*/
public class EclipseOSGiManifestWriter
extends AbstractEclipseWriter
{
/**
* Constant used for newline.
*
* @todo check if we should use system-dependent newlines or if eclipse prefers a common format
*/
private static final String NEWLINE = "\n";
/**
* Bundle classpath: updated with the list of dependencies.
*/
public final static String ENTRY_BUNDLE_CLASSPATH = "Bundle-ClassPath:";
/**
* Bundle name: updated with the project name.
*/
public final static String ENTRY_BUNDLE_NAME = "Bundle-Name:";
/**
* Bundle symbolic name: updated with the artifact id.
*/
public final static String ENTRY_BUNDLE_SYMBOLICNAME = "Bundle-SymbolicName:";
/**
* Bundle version: updated with the project version.
*/
public final static String ENTRY_BUNDLE_VERSION = "Bundle-Version:";
/**
* Bundle vendor: updated with the organization name (if set in the POM).
*/
public final static String ENTRY_BUNDLE_VENDOR = "Bundle-Vendor:";
/**
* @see org.apache.maven.plugin.eclipse.writers.EclipseWriter#write()
*/
public void write()
throws MojoExecutionException
{
// check for existence
if ( !config.getOSGIManifestFile().exists() )
{
log.warn( Messages.getString( "EclipseOSGiManifestWriter.nomanifestfile",
config.getOSGIManifestFile().getAbsolutePath() ) );
return;
}
StringBuffer manifestSb = rewriteManifest( config.getOSGIManifestFile() );
Writer out = null;
try
{
out = new OutputStreamWriter( new FileOutputStream( config.getOSGIManifestFile() ), "UTF-8" );
out.write( manifestSb.toString() );
}
catch ( FileNotFoundException e )
{
throw new MojoExecutionException( Messages.getString( "EclipsePlugin.cantwritetofile",
config.getOSGIManifestFile().getAbsolutePath() ) );
}
catch ( IOException e )
{
throw new MojoExecutionException( Messages.getString( "EclipsePlugin.cantwritetofile",
config.getOSGIManifestFile().getAbsolutePath() ), e );
}
finally
{
IOUtil.close( out );
}
}
protected StringBuffer rewriteManifest( File manifestFile )
throws MojoExecutionException
{
// warning: we read and rewrite the file line by line in order to preserve formatting
boolean inBundleClasspathEntry = false;
StringBuffer manifestSb = new StringBuffer();
try
{
BufferedReader in =
new BufferedReader( new InputStreamReader( new FileInputStream( manifestFile ), "UTF-8" ) );
String line;
while ( ( line = in.readLine() ) != null )
{
if ( inBundleClasspathEntry && line.indexOf( ":" ) > -1 )
{
inBundleClasspathEntry = false;
}
else if ( inBundleClasspathEntry )
{
// skip it
continue;
}
// Note that this could be the empty string, if we encounter
// a field that we weren't expecting to be multi-line.
String name = line.substring( 0, line.indexOf( ":" ) + 1 );
if ( name.equalsIgnoreCase( ENTRY_BUNDLE_CLASSPATH ) )
{
inBundleClasspathEntry = true;
}
else if ( name.equalsIgnoreCase( ENTRY_BUNDLE_NAME ) )
{
manifestSb.append( ENTRY_BUNDLE_NAME );
manifestSb.append( " " );
manifestSb.append( config.getProject().getName() );
manifestSb.append( NEWLINE );
}
else if ( name.equalsIgnoreCase( ENTRY_BUNDLE_SYMBOLICNAME ) )
{
manifestSb.append( ENTRY_BUNDLE_SYMBOLICNAME );
manifestSb.append( " " );
manifestSb.append( config.getEclipseProjectName() );
manifestSb.append( ";singleton:=true" );
manifestSb.append( NEWLINE );
}
else if ( name.equalsIgnoreCase( ENTRY_BUNDLE_VERSION ) )
{
manifestSb.append( ENTRY_BUNDLE_VERSION );
manifestSb.append( " " );
manifestSb.append( getNormalizedVersion( config.getProject().getVersion() ) );
manifestSb.append( NEWLINE );
}
else if ( name.equalsIgnoreCase( ENTRY_BUNDLE_VENDOR ) && config.getProject().getOrganization() != null )
{
manifestSb.append( ENTRY_BUNDLE_VENDOR );
manifestSb.append( " " );
manifestSb.append( config.getProject().getOrganization().getName() );
manifestSb.append( NEWLINE );
}
else
{
manifestSb.append( line + NEWLINE );
}
}
IOUtil.close( in );
}
catch ( IOException e )
{
throw new MojoExecutionException( Messages.getString( "EclipsePlugin.cantreadfile", manifestFile.getAbsolutePath() ) );
}
manifestSb.append( addBundleClasspathEntries() );
// OSGi manifest headers need to end with a line break
manifestSb.append( NEWLINE );
return manifestSb;
}
/**
* Normalize a version number, by moving snapshot identifier to the 5th token (first 4 tokens must be numeric for
* OSGI bundles)
*
* @param version original version
* @return a normalized version number
*/
protected static String getNormalizedVersion( String version )
{
if ( version.endsWith( "-SNAPSHOT" ) )
{
String[] versionTokens = StringUtils.split( StringUtils.stripEnd( version, "-SNAPSHOT" ), "." );
int j = 0;
StringBuffer newVersion = new StringBuffer( 20 );
for ( ; j < versionTokens.length; j++ )
{
newVersion.append( versionTokens[j] );
newVersion.append( "." );
}
for ( ; j < 3; j++ )
{
newVersion.append( "0." );
}
newVersion.append( "SNAPSHOT" );
version = newVersion.toString();
}
return version;
}
/**
* Add all libraries that don't have the scope "provided" to the "Bundle-Classpath".
*
* @return complete "Bundle-ClassPath:" entry for manifest
*/
protected String addBundleClasspathEntries()
{
StringBuffer bundleClasspathSb = new StringBuffer( ENTRY_BUNDLE_CLASSPATH );
// local classes, if the plugin is jarred
// @todo handle expanded plugins
bundleClasspathSb.append( " ." );
IdeDependency[] deps = config.getDepsOrdered();
// since Manifest is supposed to be in SVN, having the order of classpath entries shuffled at each run is very
// annoying. For now just sort them by using groupId/artifactId
Arrays.sort( deps );
for ( int j = 0; j < deps.length; j++ )
{
IdeDependency dep = deps[j];
if ( !dep.isProvided() && !dep.isReferencedProject() && !dep.isTestDependency() && !dep.isOsgiBundle() )
{
bundleClasspathSb.append( "," + NEWLINE );
log.debug( "Adding artifact to manifest: " + dep.getArtifactId() );
bundleClasspathSb.append( " " + dep.getFile().getName() );
}
}
// only insert the name of the property if there are local libraries
return bundleClasspathSb.toString();
}
}