org.apache.maven.project.inheritance.DefaultModelInheritanceAssembler Maven / Gradle / Ivy
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This library is used to not only read Maven project object model files, but to assemble inheritence
and to retrieve remote models as required.
package org.apache.maven.project.inheritance;
/*
* 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.model.Build;
import org.apache.maven.model.Dependency;
import org.apache.maven.model.DependencyManagement;
import org.apache.maven.model.DeploymentRepository;
import org.apache.maven.model.DistributionManagement;
import org.apache.maven.model.Model;
import org.apache.maven.model.PluginManagement;
import org.apache.maven.model.Reporting;
import org.apache.maven.model.Scm;
import org.apache.maven.model.Site;
import org.apache.maven.project.ModelUtils;
import org.codehaus.plexus.util.StringUtils;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;
import java.util.TreeMap;
/**
* @author Jason van Zyl
* @version $Id: DefaultModelInheritanceAssembler.java,v 1.4 2004/08/23 20:24:54
* jdcasey Exp $
* @todo generate this with modello to keep it in sync with changes in the model.
*/
public class DefaultModelInheritanceAssembler
implements ModelInheritanceAssembler
{
public void copyModel( Model dest, Model source )
{
assembleModelInheritance( dest, source, null, false );
}
public void assembleModelInheritance( Model child, Model parent, String childPathAdjustment )
{
assembleModelInheritance( child, parent, childPathAdjustment, true );
}
public void assembleModelInheritance( Model child, Model parent )
{
assembleModelInheritance( child, parent, null, true );
}
private void assembleModelInheritance( Model child, Model parent, String childPathAdjustment, boolean appendPaths )
{
// cannot inherit from null parent.
if ( parent == null )
{
return;
}
// Group id
if ( child.getGroupId() == null )
{
child.setGroupId( parent.getGroupId() );
}
// version
if ( child.getVersion() == null )
{
// The parent version may have resolved to something different, so we take what we asked for...
// instead of - child.setVersion( parent.getVersion() );
if ( child.getParent() != null )
{
child.setVersion( child.getParent().getVersion() );
}
}
// inceptionYear
if ( child.getInceptionYear() == null )
{
child.setInceptionYear( parent.getInceptionYear() );
}
// url
if ( child.getUrl() == null )
{
if ( parent.getUrl() != null )
{
child.setUrl( appendPath( parent.getUrl(), child.getArtifactId(), childPathAdjustment, appendPaths ) );
}
else
{
child.setUrl( parent.getUrl() );
}
}
assembleDistributionInheritence( child, parent, childPathAdjustment, appendPaths );
// issueManagement
if ( child.getIssueManagement() == null )
{
child.setIssueManagement( parent.getIssueManagement() );
}
// description
if ( child.getDescription() == null )
{
child.setDescription( parent.getDescription() );
}
// Organization
if ( child.getOrganization() == null )
{
child.setOrganization( parent.getOrganization() );
}
// Scm
assembleScmInheritance( child, parent, childPathAdjustment, appendPaths );
// ciManagement
if ( child.getCiManagement() == null )
{
child.setCiManagement( parent.getCiManagement() );
}
// developers
if ( child.getDevelopers().size() == 0 )
{
child.setDevelopers( parent.getDevelopers() );
}
// licenses
if ( child.getLicenses().size() == 0 )
{
child.setLicenses( parent.getLicenses() );
}
// developers
if ( child.getContributors().size() == 0 )
{
child.setContributors( parent.getContributors() );
}
// mailingLists
if ( child.getMailingLists().size() == 0 )
{
child.setMailingLists( parent.getMailingLists() );
}
// Build
assembleBuildInheritance( child, parent );
assembleDependencyInheritance( child, parent );
child.setRepositories( ModelUtils.mergeRepositoryLists( child.getRepositories(), parent.getRepositories() ) );
child.setPluginRepositories(
ModelUtils.mergeRepositoryLists( child.getPluginRepositories(), parent.getPluginRepositories() ) );
assembleReportingInheritance( child, parent );
assembleDependencyManagementInheritance( child, parent );
Properties props = new Properties();
props.putAll( parent.getProperties() );
props.putAll( child.getProperties() );
child.setProperties( props );
}
private void assembleDependencyManagementInheritance( Model child, Model parent )
{
DependencyManagement parentDepMgmt = parent.getDependencyManagement();
DependencyManagement childDepMgmt = child.getDependencyManagement();
if ( parentDepMgmt != null )
{
if ( childDepMgmt == null )
{
child.setDependencyManagement( parentDepMgmt );
}
else
{
List childDeps = childDepMgmt.getDependencies();
Map mappedChildDeps = new TreeMap();
for ( Iterator it = childDeps.iterator(); it.hasNext(); )
{
Dependency dep = (Dependency) it.next();
mappedChildDeps.put( dep.getManagementKey(), dep );
}
for ( Iterator it = parentDepMgmt.getDependencies().iterator(); it.hasNext(); )
{
Dependency dep = (Dependency) it.next();
if ( !mappedChildDeps.containsKey( dep.getManagementKey() ) )
{
childDepMgmt.addDependency( dep );
}
}
}
}
}
private void assembleReportingInheritance( Model child, Model parent )
{
// Reports :: aggregate
Reporting childReporting = child.getReporting();
Reporting parentReporting = parent.getReporting();
if ( parentReporting != null )
{
if ( childReporting == null )
{
childReporting = new Reporting();
child.setReporting( childReporting );
}
if ( childReporting.isExcludeDefaultsValue() == null )
{
childReporting.setExcludeDefaultsValue( parentReporting.isExcludeDefaultsValue() );
}
if ( StringUtils.isEmpty( childReporting.getOutputDirectory() ) )
{
childReporting.setOutputDirectory( parentReporting.getOutputDirectory() );
}
ModelUtils.mergeReportPluginLists( childReporting, parentReporting, true );
}
}
private void assembleDependencyInheritance( Model child, Model parent )
{
child.setDependencies( ModelUtils.mergeDependencyList( child.getDependencies(), parent.getDependencies() ) );
}
private void assembleBuildInheritance( Model child, Model parent )
{
Build childBuild = child.getBuild();
Build parentBuild = parent.getBuild();
if ( parentBuild != null )
{
if ( childBuild == null )
{
childBuild = new Build();
child.setBuild( childBuild );
}
// The build has been set but we want to step in here and fill in
// values that have not been set by the child.
if ( childBuild.getSourceDirectory() == null )
{
childBuild.setSourceDirectory( parentBuild.getSourceDirectory() );
}
if ( childBuild.getScriptSourceDirectory() == null )
{
childBuild.setScriptSourceDirectory( parentBuild.getScriptSourceDirectory() );
}
if ( childBuild.getTestSourceDirectory() == null )
{
childBuild.setTestSourceDirectory( parentBuild.getTestSourceDirectory() );
}
if ( childBuild.getOutputDirectory() == null )
{
childBuild.setOutputDirectory( parentBuild.getOutputDirectory() );
}
if ( childBuild.getTestOutputDirectory() == null )
{
childBuild.setTestOutputDirectory( parentBuild.getTestOutputDirectory() );
}
// Extensions are accumlated
ModelUtils.mergeExtensionLists( childBuild, parentBuild );
if ( childBuild.getDirectory() == null )
{
childBuild.setDirectory( parentBuild.getDirectory() );
}
if ( childBuild.getDefaultGoal() == null )
{
childBuild.setDefaultGoal( parentBuild.getDefaultGoal() );
}
if ( childBuild.getFinalName() == null )
{
childBuild.setFinalName( parentBuild.getFinalName() );
}
ModelUtils.mergeFilterLists( childBuild.getFilters(), parentBuild.getFilters() );
List resources = childBuild.getResources();
if ( ( resources == null ) || resources.isEmpty() )
{
childBuild.setResources( parentBuild.getResources() );
}
resources = childBuild.getTestResources();
if ( ( resources == null ) || resources.isEmpty() )
{
childBuild.setTestResources( parentBuild.getTestResources() );
}
// Plugins are aggregated if Plugin.inherit != false
ModelUtils.mergePluginLists( childBuild, parentBuild, true );
// Plugin management :: aggregate
PluginManagement dominantPM = childBuild.getPluginManagement();
PluginManagement recessivePM = parentBuild.getPluginManagement();
if ( ( dominantPM == null ) && ( recessivePM != null ) )
{
// FIXME: Filter out the inherited == false stuff!
childBuild.setPluginManagement( recessivePM );
}
else
{
ModelUtils.mergePluginLists( childBuild.getPluginManagement(), parentBuild.getPluginManagement(),
false );
}
}
}
private void assembleScmInheritance( Model child, Model parent, String childPathAdjustment, boolean appendPaths )
{
if ( parent.getScm() != null )
{
Scm parentScm = parent.getScm();
Scm childScm = child.getScm();
if ( childScm == null )
{
childScm = new Scm();
child.setScm( childScm );
}
if ( StringUtils.isEmpty( childScm.getConnection() ) && !StringUtils.isEmpty( parentScm.getConnection() ) )
{
childScm.setConnection(
appendPath( parentScm.getConnection(), child.getArtifactId(), childPathAdjustment, appendPaths ) );
}
if ( StringUtils.isEmpty( childScm.getDeveloperConnection() ) &&
!StringUtils.isEmpty( parentScm.getDeveloperConnection() ) )
{
childScm
.setDeveloperConnection( appendPath( parentScm.getDeveloperConnection(), child.getArtifactId(),
childPathAdjustment, appendPaths ) );
}
if ( StringUtils.isEmpty( childScm.getUrl() ) && !StringUtils.isEmpty( parentScm.getUrl() ) )
{
childScm.setUrl(
appendPath( parentScm.getUrl(), child.getArtifactId(), childPathAdjustment, appendPaths ) );
}
}
}
private void assembleDistributionInheritence( Model child, Model parent, String childPathAdjustment, boolean appendPaths )
{
if ( parent.getDistributionManagement() != null )
{
DistributionManagement parentDistMgmt = parent.getDistributionManagement();
DistributionManagement childDistMgmt = child.getDistributionManagement();
if ( childDistMgmt == null )
{
childDistMgmt = new DistributionManagement();
child.setDistributionManagement( childDistMgmt );
}
if ( childDistMgmt.getSite() == null )
{
if ( parentDistMgmt.getSite() != null )
{
Site site = new Site();
childDistMgmt.setSite( site );
site.setId( parentDistMgmt.getSite().getId() );
site.setName( parentDistMgmt.getSite().getName() );
site.setUrl( parentDistMgmt.getSite().getUrl() );
if ( site.getUrl() != null )
{
site.setUrl(
appendPath( site.getUrl(), child.getArtifactId(), childPathAdjustment, appendPaths ) );
}
}
}
if ( childDistMgmt.getRepository() == null )
{
if ( parentDistMgmt.getRepository() != null )
{
DeploymentRepository repository = copyDistributionRepository( parentDistMgmt.getRepository() );
childDistMgmt.setRepository( repository );
}
}
if ( childDistMgmt.getSnapshotRepository() == null )
{
if ( parentDistMgmt.getSnapshotRepository() != null )
{
DeploymentRepository repository =
copyDistributionRepository( parentDistMgmt.getSnapshotRepository() );
childDistMgmt.setSnapshotRepository( repository );
}
}
if ( StringUtils.isEmpty( childDistMgmt.getDownloadUrl() ) )
{
childDistMgmt.setDownloadUrl( parentDistMgmt.getDownloadUrl() );
}
// NOTE: We SHOULD NOT be inheriting status, since this is an assessment of the POM quality.
// NOTE: We SHOULD NOT be inheriting relocation, since this relates to a single POM
}
}
private static DeploymentRepository copyDistributionRepository( DeploymentRepository parentRepository )
{
DeploymentRepository repository = new DeploymentRepository();
repository.setId( parentRepository.getId() );
repository.setName( parentRepository.getName() );
repository.setUrl( parentRepository.getUrl() );
repository.setLayout( parentRepository.getLayout() );
repository.setUniqueVersion( parentRepository.isUniqueVersion() );
return repository;
}
// TODO: This should eventually be migrated to DefaultPathTranslator.
protected String appendPath( String parentPath, String childPath, String pathAdjustment, boolean appendPaths )
{
String uncleanPath = parentPath;
if ( appendPaths )
{
if ( pathAdjustment != null )
{
uncleanPath += "/" + pathAdjustment;
}
if ( childPath != null )
{
uncleanPath += "/" + childPath;
}
}
String cleanedPath = "";
int protocolIdx = uncleanPath.indexOf( "://" );
if ( protocolIdx > -1 )
{
cleanedPath = uncleanPath.substring( 0, protocolIdx + 3 );
uncleanPath = uncleanPath.substring( protocolIdx + 3 );
}
if ( uncleanPath.startsWith( "//" ) )
{
// preserve leading double slash for UNC paths like "file:////host/pom.xml"
cleanedPath += "//";
}
else if ( uncleanPath.startsWith( "/" ) )
{
cleanedPath += "/";
}
return cleanedPath + resolvePath( uncleanPath );
}
// TODO: Move this to plexus-utils' PathTool.
private static String resolvePath( String uncleanPath )
{
LinkedList pathElements = new LinkedList();
StringTokenizer tokenizer = new StringTokenizer( uncleanPath, "/" );
while ( tokenizer.hasMoreTokens() )
{
String token = tokenizer.nextToken();
if ( token.equals( "" ) )
{
// Empty path entry ("...//.."), remove.
}
else if ( token.equals( ".." ) )
{
if ( pathElements.isEmpty() )
{
// FIXME: somehow report to the user
// that there are too many '..' elements.
// For now, ignore the extra '..'.
}
else
{
pathElements.removeLast();
}
}
else
{
pathElements.addLast( token );
}
}
StringBuffer cleanedPath = new StringBuffer();
while ( !pathElements.isEmpty() )
{
cleanedPath.append( pathElements.removeFirst() );
if ( !pathElements.isEmpty() )
{
cleanedPath.append( '/' );
}
}
return cleanedPath.toString();
}
}