org.codehaus.mojo.license.LicenseListMojo Maven / Gradle / Ivy
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Maven plugin to download and collect license files from project dependencies.
package org.codehaus.mojo.license;
/*
* #%L
* License Maven Plugin
* %%
* Copyright (C) 2008 - 2011 CodeLutin, Codehaus, Tony Chemit
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.codehaus.mojo.license.model.License;
import org.codehaus.mojo.license.model.LicenseStore;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* Display all available licenses.
*
* @author tchemit [email protected]
* @since 1.0
*/
@Mojo( name = "license-list", requiresProject = false, requiresDirectInvocation = true )
public class LicenseListMojo
extends AbstractLicenseMojo
{
// ----------------------------------------------------------------------
// Mojo Parameters
// ----------------------------------------------------------------------
/**
* The url of an extra license repository.
*
* Note: If you want to refer to a file within this project, start the expression with
* ${project.baseUri}
*
* @since 1.0
*/
@Parameter( property = "extraResolver" )
private String extraResolver;
/**
* A flag to display also the content of each license.
*
* @since 1.0
*/
@Parameter( property = "detail" )
private boolean detail;
// ----------------------------------------------------------------------
// Private Fields
// ----------------------------------------------------------------------
/**
* Store of licenses.
*/
private LicenseStore licenseStore;
// ----------------------------------------------------------------------
// AbstractLicenseMojo Implementaton
// ----------------------------------------------------------------------
/**
* {@inheritDoc}
*/
@Override
public boolean isSkip()
{
// can't skip this goal since direct invocation is required
return false;
}
/**
* {@inheritDoc}
*/
@Override
protected void init()
throws Exception
{
// obtain licenses store
licenseStore = LicenseStore.createLicenseStore( getLog(), extraResolver );
}
/**
* {@inheritDoc}
*/
@Override
public void doAction()
throws MojoExecutionException, MojoFailureException
{
StringBuilder buffer = new StringBuilder();
if ( isVerbose() )
{
buffer.append( "\n\n-------------------------------------------------------------------------------\n" );
buffer.append( " maven-license-plugin\n" );
buffer.append( "-------------------------------------------------------------------------------\n\n" );
}
buffer.append( "Available licenses :\n\n" );
List names = Arrays.asList( licenseStore.getLicenseNames() );
int maxLength = 0;
for ( String name : names )
{
if ( name.length() > maxLength )
{
maxLength = name.length();
}
}
Collections.sort( names );
String pattern = " * %1$-" + maxLength + "s : %2$s\n";
for ( String licenseName : names )
{
License license = licenseStore.getLicense( licenseName );
buffer.append( String.format( pattern, licenseName, license.getDescription() ) );
if ( detail )
{
try
{
buffer.append( "\n" );
buffer.append( license.getHeaderContent( getEncoding() ) );
buffer.append( "\n\n" );
}
catch ( IOException ex )
{
throw new MojoExecutionException(
"could not instanciate license with name " + licenseName + " for reason " + ex.getMessage(),
ex );
}
}
}
getLog().info( buffer.toString() );
}
}
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