org.eclipse.hudson.legacy.maven.plugin.MavenUtil Maven / Gradle / Ivy
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/*******************************************************************************
*
* Copyright (c) 2004-2009 Oracle Corporation.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*
* Kohsuke Kawaguchi
*
*
*******************************************************************************/
package org.eclipse.hudson.legacy.maven.plugin;
import hudson.AbortException;
import hudson.Util;
import hudson.maven.MavenEmbedder;
import hudson.maven.MavenEmbedderException;
import hudson.maven.MavenRequest;
import hudson.model.AbstractBuild;
import hudson.model.AbstractProject;
import hudson.model.BuildListener;
import hudson.model.Hudson;
import hudson.model.TaskListener;
import hudson.tasks.Maven.MavenInstallation;
import hudson.tasks.Maven.ProjectWithMaven;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.maven.artifact.versioning.ComparableVersion;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectBuildingException;
import static java.util.logging.Level.FINE;
/**
* @author Kohsuke Kawaguchi
*/
public class MavenUtil {
/**
* @deprecated
* Use {@link #createEmbedder(TaskListener, File, String, Properties)}
* or other overloaded versions that infers maven home.
*/
public static MavenEmbedder createEmbedder(TaskListener listener, String profiles) throws MavenEmbedderException, IOException {
return createEmbedder(listener,(File)null,profiles);
}
/**
* This version tries to infer mavenHome by looking at a project.
*
* @see #createEmbedder(TaskListener, File, String)
*/
public static MavenEmbedder createEmbedder(TaskListener listener, AbstractProject project, String profiles) throws MavenEmbedderException, IOException, InterruptedException {
MavenInstallation m=null;
if (project instanceof ProjectWithMaven)
m = ((ProjectWithMaven) project).inferMavenInstallation().forNode(Hudson.getInstance(),listener);
return createEmbedder(listener,m!=null?m.getHomeDir():null,profiles);
}
/**
* This version tries to infer mavenHome and other options by looking at a build.
*
* @see #createEmbedder(TaskListener, File, String)
*/
public static MavenEmbedder createEmbedder(TaskListener listener, AbstractBuild build) throws MavenEmbedderException, IOException, InterruptedException {
MavenInstallation m=null;
File settingsLoc = null;
String profiles = null;
Properties systemProperties = null;
String privateRepository = null;
AbstractProject project = build.getProject();
if (project instanceof ProjectWithMaven) {
m = ((ProjectWithMaven) project).inferMavenInstallation().forNode(Hudson.getInstance(),listener);
}
if (project instanceof MavenModuleSet) {
String altSet = ((MavenModuleSet) project).getAlternateSettings();
settingsLoc = (altSet == null) ? null
: new File(build.getWorkspace().child(altSet).getRemote());
if (((MavenModuleSet) project).usesPrivateRepository()) {
privateRepository = build.getWorkspace().child(".repository").getRemote();
}
profiles = ((MavenModuleSet) project).getProfiles();
systemProperties = ((MavenModuleSet) project).getMavenProperties();
}
return createEmbedder(new MavenEmbedderRequest(listener,
m!=null?m.getHomeDir():null,
profiles,
systemProperties,
privateRepository,
settingsLoc ));
}
public static MavenEmbedder createEmbedder(TaskListener listener, File mavenHome, String profiles) throws MavenEmbedderException, IOException {
return createEmbedder(listener,mavenHome,profiles,new Properties());
}
public static MavenEmbedder createEmbedder(TaskListener listener, File mavenHome, String profiles, Properties systemProperties) throws MavenEmbedderException, IOException {
return createEmbedder(listener,mavenHome,profiles,systemProperties,null);
}
public static MavenEmbedder createEmbedder( TaskListener listener, File mavenHome, String profiles,
Properties systemProperties, String privateRepository )
throws MavenEmbedderException, IOException
{
return createEmbedder( new MavenEmbedderRequest( listener, mavenHome, profiles, systemProperties,
privateRepository, null ) );
}
/**
* Creates a fresh {@link MavenEmbedder} instance.
*
*/
public static MavenEmbedder createEmbedder(MavenEmbedderRequest mavenEmbedderRequest) throws MavenEmbedderException, IOException {
MavenRequest mavenRequest = new MavenRequest();
// make sure ~/.m2 exists to avoid http://issues.hudson-ci.org/browse/HUDSON-421
File m2Home = new File(MavenEmbedder.userHome, ".m2");
m2Home.mkdirs();
if(!m2Home.exists())
throw new AbortException("Failed to create "+m2Home+
"\nSee http://issues.hudson-ci.org/browse/HUDSON-421");
if (mavenEmbedderRequest.getPrivateRepository()!=null)
mavenRequest.setLocalRepositoryPath( mavenEmbedderRequest.getPrivateRepository() );
if (mavenEmbedderRequest.getProfiles() != null) {
mavenRequest.setProfiles(Arrays.asList( StringUtils.split( mavenEmbedderRequest.getProfiles(), "," ) ));
}
if ( mavenEmbedderRequest.getAlternateSettings() != null ) {
mavenRequest.setUserSettingsFile( mavenEmbedderRequest.getAlternateSettings().getAbsolutePath() );
} else {
mavenRequest.setUserSettingsFile( new File( m2Home, "settings.xml" ).getAbsolutePath() );
}
// FIXME configure those !!
mavenRequest.setGlobalSettingsFile( new File( mavenEmbedderRequest.getMavenHome(), "conf/settings.xml" ).getAbsolutePath() );
if (mavenEmbedderRequest.getWorkspaceReader() != null ) {
mavenRequest.setWorkspaceReader( mavenEmbedderRequest.getWorkspaceReader() );
}
// TODO olamy check this sould be userProperties
mavenRequest.setSystemProperties(mavenEmbedderRequest.getSystemProperties());
if (mavenEmbedderRequest.getTransferListener() != null) {
if (debugMavenEmbedder) {
mavenEmbedderRequest.getListener().getLogger()
.println( "use transfertListener " + mavenEmbedderRequest.getTransferListener().getClass().getName() );
}
mavenRequest.setTransferListener( mavenEmbedderRequest.getTransferListener() );
}
EmbedderLoggerImpl logger =
new EmbedderLoggerImpl( mavenEmbedderRequest.getListener(), debugMavenEmbedder ? org.codehaus.plexus.logging.Logger.LEVEL_DEBUG
: org.codehaus.plexus.logging.Logger.LEVEL_INFO );
mavenRequest.setMavenLoggerManager( logger );
ClassLoader mavenEmbedderClassLoader =
mavenEmbedderRequest.getClassLoader() == null ? new MaskingClassLoader( MavenUtil.class.getClassLoader() )
: mavenEmbedderRequest.getClassLoader();
{// are we loading the right components.xml? (and not from Maven that's running Jetty, if we are running in "mvn hudson-dev:run" or "mvn hpi:run"?
Enumeration e = mavenEmbedderClassLoader.getResources("META-INF/plexus/components.xml");
while (e.hasMoreElements()) {
URL url = e.nextElement();
LOGGER.fine("components.xml from "+url);
}
}
mavenRequest.setProcessPlugins( mavenEmbedderRequest.isProcessPlugins() );
mavenRequest.setResolveDependencies( mavenEmbedderRequest.isResolveDependencies() );
mavenRequest.setValidationLevel( mavenEmbedderRequest.getValidationLevel() );
// TODO check this MaskingClassLoader with maven 3 artifacts
MavenEmbedder maven = new MavenEmbedder( mavenEmbedderClassLoader, mavenRequest );
return maven;
}
/**
* @deprecated MavenEmbedder has now a method to read all projects
* Recursively resolves module POMs that are referenced from
* the given {@link MavenProject} and parses them into
* {@link MavenProject}s.
*
* @param rel
* Used to compute the relative path. Pass in "" to begin.
* @param relativePathInfo
* Upon the completion of this method, this variable stores the relative path
* from the root directory of the given {@link MavenProject} to the root directory
* of each of the newly parsed {@link MavenProject}.
*
* @throws AbortException
* errors will be reported to the listener and the exception thrown.
* @throws MavenEmbedderException
*/
public static void resolveModules( MavenEmbedder embedder, MavenProject project, String rel,
Map relativePathInfo, BuildListener listener,
boolean nonRecursive )
throws ProjectBuildingException, AbortException, MavenEmbedderException
{
File basedir = project.getFile().getParentFile();
relativePathInfo.put( project, rel );
List modules = new ArrayList();
if ( !nonRecursive ) {
for ( String modulePath : project.getModules()) {
if ( Util.fixEmptyAndTrim( modulePath ) != null ) {
File moduleFile = new File( basedir, modulePath );
if ( moduleFile.exists() && moduleFile.isDirectory() ) {
moduleFile = new File( basedir, modulePath + "/pom.xml" );
}
if ( !moduleFile.exists() )
throw new AbortException( moduleFile + " is referenced from " + project.getFile()
+ " but it doesn't exist" );
String relativePath = rel;
if ( relativePath.length() > 0 )
relativePath += '/';
relativePath += modulePath;
MavenProject child = embedder.readProject( moduleFile );
resolveModules( embedder, child, relativePath, relativePathInfo, listener, nonRecursive );
modules.add( child );
}
}
}
project.setCollectedProjects( modules );
}
/**
* When we run in Jetty during development, embedded Maven will end up
* seeing some of the Maven class visible through Jetty, and this confuses it.
*
*
* Specifically, embedded Maven will find all the component descriptors
* visible through Jetty, yet when it comes to loading classes, classworlds
* still load classes from local realms created inside embedder.
*
*
* This classloader prevents this issue by hiding the component descriptor
* visible through Jetty.
*/
private static final class MaskingClassLoader extends ClassLoader {
public MaskingClassLoader(ClassLoader parent) {
super(parent);
}
public Enumeration getResources(String name) throws IOException {
final Enumeration e = super.getResources(name);
return new Enumeration() {
URL next;
public boolean hasMoreElements() {
fetch();
return next!=null;
}
public URL nextElement() {
fetch();
URL r = next;
next = null;
return r;
}
private void fetch() {
while(next==null && e.hasMoreElements()) {
next = e.nextElement();
if(shouldBeIgnored(next))
next = null;
}
}
private boolean shouldBeIgnored(URL url) {
String s = url.toExternalForm();
if(s.contains("maven-plugin-tools-api"))
return true;
// because RemoteClassLoader mangles the path, we can't check for plexus/components.xml,
// which would have otherwise made the test cheaper.
if(s.endsWith("components.xml")) {
BufferedReader r=null;
try {
// is this designated for interception purpose? If so, don't load them in the MavenEmbedder
// earlier I tried to use a marker file in the same directory, but that won't work
r = new BufferedReader(new InputStreamReader(url.openStream()));
for (int i=0; i<2; i++) {
String l = r.readLine();
if(l!=null && l.contains("MAVEN-INTERCEPTION-TO-BE-MASKED"))
return true;
}
} catch (IOException _) {
// let whoever requesting this resource re-discover an error and report it
} finally {
IOUtils.closeQuietly(r);
}
}
return false;
}
};
}
}
public static boolean maven3orLater(String mavenVersion) {
// null or empty so false !
if (StringUtils.isBlank( mavenVersion )) {
return false;
}
return new ComparableVersion (mavenVersion).compareTo( new ComparableVersion ("3.0") ) >= 0;
}
/**
* If set to true, maximize the logging level of Maven embedder.
*/
public static boolean debugMavenEmbedder = Boolean.getBoolean( "debugMavenEmbedder" );
private static final Logger LOGGER = Logger.getLogger(MavenUtil.class.getName());
}