org.apache.maven.plugin.changes.ReleaseUtils Maven / Gradle / Ivy
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Creates a release history for inclusion into the site and assists in generating an announcement mail.
package org.apache.maven.plugin.changes;
/*
* 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 java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.plugins.changes.model.Action;
import org.apache.maven.plugins.changes.model.Release;
/**
* A utility class for working with Release objects.
*
* @author Dennis Lundberg
* @version $Id: ReleaseUtils.java 1328886 2012-04-22 14:09:45Z bimargulies $
* @since 2.4
*/
public class ReleaseUtils
{
private static final String SNAPSHOT_SUFFIX = "-SNAPSHOT";
private Log log;
public ReleaseUtils( Log log )
{
this.log = log;
}
/**
* Get the latest release by matching the supplied releases
* with the version from the pom.
*
* @param releases list of releases
* @param pomVersion Version of the artifact
* @return A Release that matches the next release of the current project
* @throws org.apache.maven.plugin.MojoExecutionException If a release can't be found
*/
public Release getLatestRelease( List releases, String pomVersion )
throws MojoExecutionException
{
// Remove "-SNAPSHOT" from the end, if it's there
if ( pomVersion != null && pomVersion.endsWith( SNAPSHOT_SUFFIX ) )
{
pomVersion = pomVersion.substring( 0, pomVersion.length() - SNAPSHOT_SUFFIX.length() );
}
getLog().debug( "Found " + releases.size() + " releases." );
Release release = getRelease( releases, pomVersion );
if ( release == null )
{
throw new MojoExecutionException( "Couldn't find the release '" + pomVersion
+ "' among the supplied releases." );
}
return release;
}
private Log getLog()
{
return log;
}
/**
* Get a release with the specified version from the list of releases.
*
* @param releases A list of releases
* @param version The version we want
* @return A Release, or null if no release with the specified version can be found
*/
protected Release getRelease( List releases, String version )
{
for ( Release release : releases )
{
if ( getLog().isDebugEnabled() )
{
getLog().debug( "The release: " + release.getVersion()
+ " has " + release.getActions().size() + " actions." );
}
if ( release.getVersion() != null && release.getVersion().equals( version ) )
{
if ( getLog().isDebugEnabled() )
{
getLog().debug( "Found the correct release: " + release.getVersion() );
logRelease( release );
}
return release;
}
}
return null;
}
protected void logRelease( Release release )
{
Action action;
for ( Iterator iterator = release.getActions().iterator(); iterator.hasNext(); )
{
action = (Action) iterator.next();
getLog().debug( "o " + action.getType() );
getLog().debug( "issue : " + action.getIssue() );
getLog().debug( "action : " + action.getAction() );
getLog().debug( "dueTo : " + action.getDueTo() );
}
}
/**
* Merge releases from one issue tracker with releases from another issue
* tracker. If a release is found in both issue trackers, i.e. they have
* the same version, their issues are merged into one release.
*
* @param firstReleases Releases from the first issue tracker
* @param secondReleases Releases from the second issue tracker
* @return A list containing the merged releases
*/
public List mergeReleases( final List firstReleases, final List secondReleases )
{
if ( firstReleases == null && secondReleases == null )
{
return Collections.emptyList();
}
if ( firstReleases == null )
{
return secondReleases;
}
if ( secondReleases == null )
{
return firstReleases;
}
List mergedReleases = new ArrayList();
// Loop through the releases from the first issue tracker, merging in
// actions from releases with the same version from the second issue
// tracker
for ( Release firstRelease : firstReleases )
{
Release secondRelease = getRelease( secondReleases, firstRelease.getVersion() );
if ( secondRelease != null )
{
if ( secondRelease.getActions() != null )
{
firstRelease.getActions().addAll( secondRelease.getActions() );
}
}
mergedReleases.add( firstRelease );
}
// Handle releases that are only in the second issue tracker
for ( Release secondRelease : secondReleases )
{
Release mergedRelease = getRelease( mergedReleases, secondRelease.getVersion() );
if ( mergedRelease == null )
{
mergedReleases.add( secondRelease );
}
}
return mergedReleases;
}
/**
* Convert an untyped List of Release objects that comes from changes.xml
* into a typed List of Release objects.
*
* @param changesReleases An untyped List of Release objects
* @return A type List of Release objects
* @todo When Modello can generate typed collections this method is no longer needed
*/
public List convertReleaseList( List changesReleases ) {
List releases = new ArrayList();
// Loop through the List of releases from changes.xml and casting each
// release to a Release
for ( Iterator iterator = changesReleases.iterator(); iterator.hasNext(); )
{
Release release = (Release) iterator.next();
releases.add( release );
}
return releases;
}
/**
* Merge releases from parent component with releases from child component.
* If a release is found in both components, i.e. they have the same version,
* their issues are merged into one (parent) release with component marker
* for component issues.
*
* @param releases Releases from the parent component
* @param componentName child component name (retrieved from project name)
* @param componentReleases Releases from the child component
* @return A list containing the merged releases
*/
public List mergeReleases( final List releases, final String componentName, final List componentReleases ) {
if ( releases == null && componentReleases == null )
{
return Collections.EMPTY_LIST;
}
if ( componentReleases == null )
{
return releases;
}
final List mergedReleases = new ArrayList();
if ( releases != null )
{
for ( Iterator iterator = releases.iterator(); iterator.hasNext(); )
{
final Release release = (Release) iterator.next();
final Release componentRelease = getRelease( componentReleases, release.getVersion() );
if ( componentRelease != null ) {
release.addComponent( componentName, componentRelease );
}
mergedReleases.add( release );
}
}
for ( Iterator iterator = componentReleases.iterator(); iterator.hasNext(); )
{
final Release release = (Release) iterator.next();
final Release mergedRelease = getRelease( mergedReleases, release.getVersion() );
if ( mergedRelease == null )
{
final Release componentRelease = new Release();
componentRelease.setVersion( release.getVersion() );
componentRelease.setDateRelease( release.getDateRelease() );
componentRelease.addComponent( componentName, release );
mergedReleases.add( componentRelease );
}
}
return mergedReleases;
}
}
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