Package com.alibaba.citrus.maven.eclipse.base.ide

Source Code of com.alibaba.citrus.maven.eclipse.base.ide.AbstractIdeSupportMojo

/*
* 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 com.alibaba.citrus.maven.eclipse.base.ide;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
import java.util.zip.ZipFile;

import com.alibaba.citrus.maven.eclipse.base.eclipse.Constants;
import com.alibaba.citrus.maven.eclipse.base.eclipse.Messages;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.factory.ArtifactFactory;
import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.ArtifactCollector;
import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.apache.maven.artifact.resolver.ArtifactResolutionResult;
import org.apache.maven.artifact.resolver.ArtifactResolver;
import org.apache.maven.artifact.resolver.DebugResolutionListener;
import org.apache.maven.artifact.resolver.ResolutionNode;
import org.apache.maven.artifact.resolver.WarningResolutionListener;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
import org.apache.maven.artifact.resolver.filter.ExcludesArtifactFilter;
import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
import org.apache.maven.artifact.versioning.VersionRange;
import org.apache.maven.execution.RuntimeInformation;
import org.apache.maven.model.Dependency;
import org.apache.maven.model.DependencyManagement;
import org.apache.maven.model.Exclusion;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.logging.LogEnabled;
import org.codehaus.plexus.logging.Logger;

/**
* Abstract base plugin which takes care of the common stuff usually needed by maven IDE plugins. A plugin extending
* AbstractIdeSupportMojo should implement the <code>setup()</code> and <code>writeConfiguration()</code> methods, plus
* the getters needed to get the various configuration flags and required components. The lifecycle:
* <p/>
* <pre>
*       *** calls setup() where you can configure your specific stuff and stop the mojo from execute if appropriate ***
*       - manually resolve project dependencies, NOT failing if a dependency is missing
*       - compute project references (reactor projects) if the getUseProjectReferences() flag is set
*       - download sources/javadocs if the getDownloadSources() flag is set
*       *** calls writeConfiguration(), passing the list of resolved referenced dependencies ***
*       - report the list of missing sources or just tell how to turn this feature on if the flag was disabled
* </pre>
*
* @author Fabrizio Giustina
* @version $Id: AbstractIdeSupportMojo.java 1173952 2011-09-22 05:53:22Z baerrach $
*/
public abstract class AbstractIdeSupportMojo
        extends AbstractMojo
        implements LogEnabled {

    /**
     * The project whose project files to create.
     *
     * @parameter expression="${project}"
     * @required
     * @readonly
     */
    protected MavenProject project;

    /**
     * The currently executed project (can be a reactor project).
     *
     * @parameter expression="${executedProject}"
     * @readonly
     */
    protected MavenProject executedProject;

    /**
     * The project packaging.
     *
     * @parameter expression="${project.packaging}"
     */
    protected String packaging;

    /**
     * Artifact factory, needed to download source jars for inclusion in classpath.
     *
     * @component role="org.apache.maven.artifact.factory.ArtifactFactory"
     * @required
     * @readonly
     */
    protected ArtifactFactory artifactFactory;

    /**
     * Artifact resolver, needed to download source jars for inclusion in classpath.
     *
     * @component role="org.apache.maven.artifact.resolver.ArtifactResolver"
     * @required
     * @readonly
     */
    protected ArtifactResolver artifactResolver;

    /**
     * Artifact collector, needed to resolve dependencies.
     *
     * @component role="org.apache.maven.artifact.resolver.ArtifactCollector"
     * @required
     * @readonly
     */
    protected ArtifactCollector artifactCollector;

    /** @component role="org.apache.maven.artifact.metadata.ArtifactMetadataSource" hint="maven" */
    protected ArtifactMetadataSource artifactMetadataSource;

    /**
     * The runtime information for Maven, used to retrieve Maven's version number.
     *
     * @component
     */
    private RuntimeInformation runtimeInformation;

    /**
     * Remote repositories which will be searched for source attachments.
     *
     * @parameter expression="${project.remoteArtifactRepositories}"
     * @required
     * @readonly
     */
    protected List remoteArtifactRepositories;

    /**
     * Local maven repository.
     *
     * @parameter expression="${localRepository}"
     * @required
     * @readonly
     */
    protected ArtifactRepository localRepository;

    /**
     * If the executed project is a reactor project, this will contains the full list of projects in the reactor.
     *
     * @parameter expression="${reactorProjects}"
     * @required
     * @readonly
     */
    protected List reactorProjects;

    /**
     * Skip the operation when true.
     *
     * @parameter expression="${eclipse.skip}" default-value="false"
     */
    private boolean skip;

    /**
     * Enables/disables the downloading of source attachments. Defaults to false. When this flag is <code>true</code>
     * remote repositories are checked for sources: in order to avoid repeated check for unavailable source archives, a
     * status cache is mantained. With versions 2.6+ of the plugin to reset this cache run
     * <code>mvn eclipse:remove-cache</code>, or use the <code>forceRecheck</code> option with versions. With older
     * versions delete the file <code>mvn-eclipse-cache.properties</code> in the target directory.
     *
     * @parameter expression="${downloadSources}"
     */
    protected boolean downloadSources;

    /**
     * Enables/disables the downloading of javadoc attachments. Defaults to false. When this flag is <code>true</code>
     * remote repositories are checked for javadocs: in order to avoid repeated check for unavailable javadoc archives,
     * a status cache is mantained. With versions 2.6+ of the plugin to reset this cache run
     * <code>mvn eclipse:remove-cache</code>, or use the <code>forceRecheck</code> option with versions. With older
     * versions delete the file <code>mvn-eclipse-cache.properties</code> in the target directory.
     *
     * @parameter expression="${downloadJavadocs}"
     */
    protected boolean downloadJavadocs;

    /**
     * Enables/disables the rechecking of the remote repository for downloading source/javadoc attachments. Defaults to
     * false. When this flag is <code>true</code> and the source or javadoc attachment has a status cache to indicate
     * that it is not available, then the remote repository will be rechecked for a source or javadoc attachment and the
     * status cache updated to reflect the new state.
     *
     * @parameter expression="${forceRecheck}"
     */
    protected boolean forceRecheck;

    /** Plexus logger needed for debugging manual artifact resolution. */
    protected Logger logger;

    /**
     * Getter for <code>artifactMetadataSource</code>.
     *
     * @return Returns the artifactMetadataSource.
     */
    public ArtifactMetadataSource getArtifactMetadataSource() {
        return artifactMetadataSource;
    }

    /**
     * Setter for <code>artifactMetadataSource</code>.
     *
     * @param artifactMetadataSource The artifactMetadataSource to set.
     */
    public void setArtifactMetadataSource(ArtifactMetadataSource artifactMetadataSource) {
        this.artifactMetadataSource = artifactMetadataSource;
    }

    /**
     * Getter for <code>project</code>.
     *
     * @return Returns the project.
     */
    public MavenProject getProject() {
        return project;
    }

    /**
     * Setter for <code>project</code>.
     *
     * @param project The project to set.
     */
    public void setProject(MavenProject project) {
        this.project = project;
    }

    /**
     * Getter for <code>reactorProjects</code>.
     *
     * @return Returns the reactorProjects.
     */
    public List getReactorProjects() {
        return reactorProjects;
    }

    /**
     * Setter for <code>reactorProjects</code>.
     *
     * @param reactorProjects The reactorProjects to set.
     */
    public void setReactorProjects(List reactorProjects) {
        this.reactorProjects = reactorProjects;
    }

    /**
     * Getter for <code>remoteArtifactRepositories</code>.
     *
     * @return Returns the remoteArtifactRepositories.
     */
    public List getRemoteArtifactRepositories() {
        return remoteArtifactRepositories;
    }

    /**
     * Setter for <code>remoteArtifactRepositories</code>.
     *
     * @param remoteArtifactRepositories The remoteArtifactRepositories to set.
     */
    public void setRemoteArtifactRepositories(List remoteArtifactRepositories) {
        this.remoteArtifactRepositories = remoteArtifactRepositories;
    }

    /**
     * Getter for <code>artifactFactory</code>.
     *
     * @return Returns the artifactFactory.
     */
    public ArtifactFactory getArtifactFactory() {
        return artifactFactory;
    }

    /**
     * Setter for <code>artifactFactory</code>.
     *
     * @param artifactFactory The artifactFactory to set.
     */
    public void setArtifactFactory(ArtifactFactory artifactFactory) {
        this.artifactFactory = artifactFactory;
    }

    /**
     * Getter for <code>artifactResolver</code>.
     *
     * @return Returns the artifactResolver.
     */
    public ArtifactResolver getArtifactResolver() {
        return artifactResolver;
    }

    /**
     * Setter for <code>artifactResolver</code>.
     *
     * @param artifactResolver The artifactResolver to set.
     */
    public void setArtifactResolver(ArtifactResolver artifactResolver) {
        this.artifactResolver = artifactResolver;
    }

    /**
     * Getter for <code>executedProject</code>.
     *
     * @return Returns the executedProject.
     */
    public MavenProject getExecutedProject() {
        return executedProject;
    }

    /**
     * Setter for <code>executedProject</code>.
     *
     * @param executedProject The executedProject to set.
     */
    public void setExecutedProject(MavenProject executedProject) {
        this.executedProject = executedProject;
    }

    /**
     * Getter for <code>localRepository</code>.
     *
     * @return Returns the localRepository.
     */
    public ArtifactRepository getLocalRepository() {
        return localRepository;
    }

    /**
     * Setter for <code>localRepository</code>.
     *
     * @param localRepository The localRepository to set.
     */
    public void setLocalRepository(ArtifactRepository localRepository) {
        this.localRepository = localRepository;
    }

    /**
     * Getter for <code>downloadJavadocs</code>.
     *
     * @return Returns the downloadJavadocs.
     */
    public boolean getDownloadJavadocs() {
        return downloadJavadocs;
    }

    /**
     * Setter for <code>downloadJavadocs</code>.
     *
     * @param downloadJavadoc The downloadJavadocs to set.
     */
    public void setDownloadJavadocs(boolean downloadJavadoc) {
        downloadJavadocs = downloadJavadoc;
    }

    /**
     * Getter for <code>downloadSources</code>.
     *
     * @return Returns the downloadSources.
     */
    public boolean getDownloadSources() {
        return downloadSources;
    }

    /**
     * Setter for <code>downloadSources</code>.
     *
     * @param downloadSources The downloadSources to set.
     */
    public void setDownloadSources(boolean downloadSources) {
        this.downloadSources = downloadSources;
    }

    protected void setResolveDependencies(boolean resolveDependencies) {
        this.resolveDependencies = resolveDependencies;
    }

    protected boolean isResolveDependencies() {
        return resolveDependencies;
    }

    /**
     * return <code>false</code> if projects available in a reactor build should be considered normal dependencies,
     * <code>true</code> if referenced project will be linked and not need artifact resolution.
     *
     * @return <code>true</code> if referenced project will be linked and not need artifact resolution
     */
    protected abstract boolean getUseProjectReferences();

    /**
     * Hook for preparation steps before the actual plugin execution.
     *
     * @return <code>true</code> if execution should continue or <code>false</code> if not.
     * @throws MojoExecutionException generic mojo exception
     */
    protected abstract boolean setup()
            throws MojoExecutionException;

    /**
     * Main plugin method where dependencies should be processed in order to generate IDE configuration files.
     *
     * @param deps list of <code>IdeDependency</code> objects, with artifacts, sources and javadocs already resolved
     * @throws MojoExecutionException generic mojo exception
     */
    protected abstract void writeConfiguration(IdeDependency[] deps)
            throws MojoExecutionException;

    /** Not a plugin parameter. Collect the list of dependencies with a missing source artifact for the final report. */
    private List missingSourceDependencies = new ArrayList();

    /** Not a plugin parameter. Collect the list of dependencies with a missing javadoc artifact for the final report. */
    // TODO merge this with the missingSourceDependencies in a classifier based map?
    private List missingJavadocDependencies = new ArrayList();

    /** Cached array of resolved dependencies. */
    private IdeDependency[] ideDeps;

    /**
     * Flag for mojo implementations to control whether normal maven dependencies should be resolved. Default value is
     * true.
     */
    private boolean resolveDependencies = true;

    /** @see org.codehaus.plexus.logging.LogEnabled#enableLogging(org.codehaus.plexus.logging.Logger) */
    public void enableLogging(Logger logger) {
        this.logger = logger;
    }

    /** @see org.apache.maven.plugin.Mojo#execute() */
    public final void execute()
            throws MojoExecutionException, MojoFailureException {
        if (skip) {
            return;
        }

        boolean processProject = setup();
        if (!processProject) {
            return;
        }

        // resolve artifacts
        IdeDependency[] deps = doDependencyResolution();

        resolveSourceAndJavadocArtifacts(deps);

        writeConfiguration(deps);

        reportMissingArtifacts();
    }

    /**
     * Resolve project dependencies. Manual resolution is needed in order to avoid resolution of multiproject artifacts
     * (if projects will be linked each other an installed jar is not needed) and to avoid a failure when a jar is
     * missing.
     *
     * @return resolved IDE dependencies, with attached jars for non-reactor dependencies
     * @throws MojoExecutionException if dependencies can't be resolved
     */
    protected IdeDependency[] doDependencyResolution()
            throws MojoExecutionException {
        if (ideDeps == null) {
            if (resolveDependencies) {
                MavenProject project = getProject();
                ArtifactRepository localRepo = getLocalRepository();

                List deps = getProject().getDependencies();

                // Collect the list of resolved IdeDependencies.
                List dependencies = new ArrayList();

                if (deps != null) {
                    Map managedVersions =
                            createManagedVersionMap(getArtifactFactory(), project.getId(),
                                                    project.getDependencyManagement());

                    ArtifactResolutionResult artifactResolutionResult = null;

                    try {

                        List listeners = new ArrayList();

                        if (logger.isDebugEnabled()) {
                            listeners.add(new DebugResolutionListener(logger));
                        }

                        listeners.add(new WarningResolutionListener(logger));

                        artifactResolutionResult =
                                artifactCollector.collect(getProjectArtifacts(), project.getArtifact(), managedVersions,
                                                          localRepo, project.getRemoteArtifactRepositories(),
                                                          getArtifactMetadataSource(), null, listeners);
                    } catch (ArtifactResolutionException e) {
                        getLog().debug(e.getMessage(), e);
                        getLog().error(
                                Messages.getString("AbstractIdeSupportMojo.artifactresolution",
                                                   new Object[] { //$NON-NLS-1$
                                                                  e.getGroupId(), e.getArtifactId(), e.getVersion(),
                                                                  e.getMessage() }));

                        // if we are here artifactResolutionResult is null, create a project without dependencies but
                        // don't fail
                        // (this could be a reactor projects, we don't want to fail everything)
                        // Causes MECLIPSE-185. Not sure if it should be handled this way??
                        return new IdeDependency[0];
                    }

                    // keep track of added reactor projects in order to avoid duplicates
                    Set emittedReactorProjectId = new HashSet();

                    for (Iterator i = artifactResolutionResult.getArtifactResolutionNodes().iterator(); i.hasNext(); ) {

                        ResolutionNode node = (ResolutionNode) i.next();
                        int dependencyDepth = node.getDepth();
                        Artifact art = node.getArtifact();
                        // don't resolve jars for reactor projects
                        if (hasToResolveJar(art)) {
                            try {
                                artifactResolver.resolve(art, node.getRemoteRepositories(), localRepository);
                            } catch (ArtifactNotFoundException e) {
                                getLog().debug(e.getMessage(), e);
                                getLog().warn(
                                        Messages.getString(
                                                "AbstractIdeSupportMojo.artifactdownload", new Object[] { //$NON-NLS-1$
                                                                                                          e.getGroupId(), e.getArtifactId(), e.getVersion(),
                                                                                                          e.getMessage() }));
                            } catch (ArtifactResolutionException e) {
                                getLog().debug(e.getMessage(), e);
                                getLog().warn(
                                        Messages.getString(
                                                "AbstractIdeSupportMojo.artifactresolution",
                                                new Object[] { //$NON-NLS-1$
                                                               e.getGroupId(), e.getArtifactId(), e.getVersion(),
                                                               e.getMessage() }));
                            }
                        }

                        boolean includeArtifact = true;
                        if (getExcludes() != null) {
                            String artifactFullId = art.getGroupId() + ":" + art.getArtifactId();
                            if (getExcludes().contains(artifactFullId)) {
                                getLog().info("excluded: " + artifactFullId);
                                includeArtifact = false;
                            }
                        }

                        if (includeArtifact
                            && (!(getUseProjectReferences() && isAvailableAsAReactorProject(art)) || emittedReactorProjectId.add(
                                art.getGroupId()
                                + '-' + art.getArtifactId()))) {

                            // the following doesn't work: art.getArtifactHandler().getPackaging() always returns "jar"
                            // also
                            // if the packaging specified in pom.xml is different.

                            // osgi-bundle packaging is provided by the felix osgi plugin
                            // eclipse-plugin packaging is provided by this eclipse plugin
                            // String packaging = art.getArtifactHandler().getPackaging();
                            // boolean isOsgiBundle = "osgi-bundle".equals( packaging ) || "eclipse-plugin".equals(
                            // packaging );

                            // we need to check the manifest, if "Bundle-SymbolicName" is there the artifact can be
                            // considered
                            // an osgi bundle
                            boolean isOsgiBundle = false;
                            String osgiSymbolicName = null;
                            if (art.getFile() != null) {
                                JarFile jarFile = null;
                                try {
                                    jarFile = new JarFile(art.getFile(), false, ZipFile.OPEN_READ);

                                    Manifest manifest = jarFile.getManifest();
                                    if (manifest != null) {
                                        osgiSymbolicName =
                                                manifest.getMainAttributes().getValue(
                                                        new Attributes.Name(
                                                                "Bundle-SymbolicName"));
                                    }
                                } catch (IOException e) {
                                    getLog().info("Unable to read jar manifest from " + art.getFile());
                                } finally {
                                    if (jarFile != null) {
                                        try {
                                            jarFile.close();
                                        } catch (IOException e) {
                                            // ignore
                                        }
                                    }
                                }
                            }

                            isOsgiBundle = osgiSymbolicName != null;

                            IdeDependency dep =
                                    new IdeDependency(art.getGroupId(), art.getArtifactId(), art.getVersion(),
                                                      art.getClassifier(), useProjectReference(art),
                                                      Artifact.SCOPE_TEST.equals(art.getScope()),
                                                      Artifact.SCOPE_SYSTEM.equals(art.getScope()),
                                                      Artifact.SCOPE_PROVIDED.equals(art.getScope()),
                                                      art.getArtifactHandler().isAddedToClasspath(), art.getFile(),
                                                      art.getType(), isOsgiBundle, osgiSymbolicName, dependencyDepth,
                                                      getProjectNameForArifact(art));
                            // no duplicate entries allowed. System paths can cause this problem.
                            if (!dependencies.contains(dep)) {
                                dependencies.add(dep);
                            }
                        }
                    }

                    // @todo a final report with the list of
                    // missingArtifacts?

                }

                ideDeps = (IdeDependency[]) dependencies.toArray(new IdeDependency[dependencies.size()]);
            } else {
                ideDeps = new IdeDependency[0];
            }
        }

        return ideDeps;
    }

    /**
     * Find the name of the project as used in eclipse.
     *
     * @param artifact The artifact to find the eclipse name for.
     * @return The name os the eclipse project.
     */
    abstract public String getProjectNameForArifact(Artifact artifact);

    /**
     * Returns the list of project artifacts. Also artifacts generated from referenced projects will be added, but with
     * the <code>resolved</code> property set to true.
     *
     * @return list of projects artifacts
     * @throws MojoExecutionException if unable to parse dependency versions
     */
    private Set getProjectArtifacts()
            throws MojoExecutionException {
        // [MECLIPSE-388] Don't sort this, the order should be identical to getProject.getDependencies()
        Set artifacts = new LinkedHashSet();

        for (Iterator dependencies = getProject().getDependencies().iterator(); dependencies.hasNext(); ) {
            Dependency dependency = (Dependency) dependencies.next();

            String groupId = dependency.getGroupId();
            String artifactId = dependency.getArtifactId();
            VersionRange versionRange;
            try {
                versionRange = VersionRange.createFromVersionSpec(dependency.getVersion());
            } catch (InvalidVersionSpecificationException e) {
                throw new MojoExecutionException(
                        Messages.getString(
                                "AbstractIdeSupportMojo.unabletoparseversion", new Object[] { //$NON-NLS-1$
                                                                                              dependency.getArtifactId(),
                                                                                              dependency.getVersion(),
                                                                                              dependency.getManagementKey(), e.getMessage() }),
                        e);
            }

            String type = dependency.getType();
            if (type == null) {
                type = Constants.PROJECT_PACKAGING_JAR;
            }
            String classifier = dependency.getClassifier();
            boolean optional = dependency.isOptional();
            String scope = dependency.getScope();
            if (scope == null) {
                scope = Artifact.SCOPE_COMPILE;
            }

            Artifact art =
                    getArtifactFactory().createDependencyArtifact(groupId, artifactId, versionRange, type, classifier,
                                                                  scope, optional);

            if (scope.equalsIgnoreCase(Artifact.SCOPE_SYSTEM)) {
                art.setFile(new File(dependency.getSystemPath()));
            }

            handleExclusions(art, dependency);

            artifacts.add(art);
        }

        return artifacts;
    }

    /**
     * Apply exclusion filters to direct AND transitive dependencies.
     *
     * @param artifact
     * @param dependency
     */
    private void handleExclusions(Artifact artifact, Dependency dependency) {

        List exclusions = new ArrayList();
        for (Iterator j = dependency.getExclusions().iterator(); j.hasNext(); ) {
            Exclusion e = (Exclusion) j.next();
            exclusions.add(e.getGroupId() + ":" + e.getArtifactId()); //$NON-NLS-1$
        }

        ArtifactFilter newFilter = new ExcludesArtifactFilter(exclusions);

        artifact.setDependencyFilter(newFilter);
    }

    /**
     * Utility method that locates a project producing the given artifact.
     *
     * @param artifact the artifact a project should produce.
     * @return <code>true</code> if the artifact is produced by a reactor projectart.
     */
    protected boolean isAvailableAsAReactorProject(Artifact artifact) {
        return getReactorProject(artifact) != null;
    }

    /**
     * Checks the list of reactor projects to see if the artifact is included.
     *
     * @param artifact the artifact to check if it is in the reactor
     * @return the reactor project or null if it is not in the reactor
     */
    protected MavenProject getReactorProject(Artifact artifact) {
        if (reactorProjects != null) {
            for (Iterator iter = reactorProjects.iterator(); iter.hasNext(); ) {
                MavenProject reactorProject = (MavenProject) iter.next();

                if (reactorProject.getGroupId().equals(artifact.getGroupId())
                    && reactorProject.getArtifactId().equals(artifact.getArtifactId())) {
                    if (reactorProject.getVersion().equals(artifact.getVersion())) {
                        return reactorProject;
                    } else {
                        getLog().info(
                                "Artifact "
                                + artifact.getId()
                                + " already available as a reactor project, but with different version. Expected: "
                                + artifact.getVersion() + ", found: " + reactorProject.getVersion());
                    }
                }
            }
        }
        return null;
    }

    /** @return an array with all dependencies available in the workspace, to be implemented by the subclasses. */
    protected IdeDependency[] getWorkspaceArtefacts() {
        return new IdeDependency[0];
    }

    private Map createManagedVersionMap(ArtifactFactory artifactFactory, String projectId,
                                        DependencyManagement dependencyManagement)
            throws MojoExecutionException {
        Map map;
        if (dependencyManagement != null && dependencyManagement.getDependencies() != null) {
            map = new HashMap();
            for (Iterator i = dependencyManagement.getDependencies().iterator(); i.hasNext(); ) {
                Dependency d = (Dependency) i.next();

                try {
                    VersionRange versionRange = VersionRange.createFromVersionSpec(d.getVersion());
                    Artifact artifact =
                            artifactFactory.createDependencyArtifact(d.getGroupId(), d.getArtifactId(), versionRange,
                                                                     d.getType(), d.getClassifier(), d.getScope(),
                                                                     d.isOptional());

                    handleExclusions(artifact, d);
                    map.put(d.getManagementKey(), artifact);
                } catch (InvalidVersionSpecificationException e) {
                    throw new MojoExecutionException(
                            Messages.getString(
                                    "AbstractIdeSupportMojo.unabletoparseversion", new Object[] { //$NON-NLS-1$
                                                                                                  projectId, d.getVersion(),
                                                                                                  d.getManagementKey(), e.getMessage() }),
                            e);
                }
            }
        } else {
            map = Collections.EMPTY_MAP;
        }
        return map;
    }

    /**
     * Resolve source artifacts and download them if <code>downloadSources</code> is <code>true</code>. Source and
     * javadocs artifacts will be attached to the <code>IdeDependency</code> Resolve source and javadoc artifacts. The
     * resolved artifacts will be downloaded based on the <code>downloadSources</code> and <code>downloadJavadocs</code>
     * attributes. Source and
     *
     * @param deps resolved dependencies
     */
    private void resolveSourceAndJavadocArtifacts(IdeDependency[] deps) {
        final List missingSources = resolveDependenciesWithClassifier(deps, "sources", getDownloadSources());
        missingSourceDependencies.addAll(missingSources);

        final List missingJavadocs = resolveDependenciesWithClassifier(deps, "javadoc", getDownloadJavadocs());
        missingJavadocDependencies.addAll(missingJavadocs);
    }

    /**
     * Resolve the required artifacts for each of the dependency. <code>sources</code> or <code>javadoc</code> artifacts
     * (depending on the <code>classifier</code>) are attached to the dependency.
     *
     * @param deps                      resolved dependencies
     * @param inClassifier              the classifier we are looking for (either <code>sources</code> or <code>javadoc</code>)
     * @param includeRemoteRepositories flag whether we should search remote repositories for the artifacts or not
     * @return the list of dependencies for which the required artifact was not found
     */
    private List resolveDependenciesWithClassifier(IdeDependency[] deps, String inClassifier,
                                                   boolean includeRemoteRepositories) {
        List missingClassifierDependencies = new ArrayList();

        // if downloadSources is off, just check
        // local repository for reporting missing source jars
        List remoteRepos = includeRemoteRepositories ? getRemoteArtifactRepositories() : Collections.EMPTY_LIST;

        for (int j = 0; j < deps.length; j++) {
            IdeDependency dependency = deps[j];

            if (dependency.isReferencedProject() || dependency.isSystemScoped()) {
                // artifact not needed
                continue;
            }

            if (getLog().isDebugEnabled()) {
                getLog().debug(
                        "Searching for sources for " + dependency.getId() + ":" + dependency.getClassifier()
                        + " at " + dependency.getId() + ":" + inClassifier);
            }

            Artifact baseArtifact =
                    artifactFactory.createArtifactWithClassifier(dependency.getGroupId(), dependency.getArtifactId(),
                                                                 dependency.getVersion(), dependency.getType(),
                                                                 dependency.getClassifier());
            baseArtifact =
                    IdeUtils.resolveArtifact(artifactResolver, baseArtifact, remoteRepos, localRepository, getLog());
            if (!baseArtifact.isResolved()) {
                // base artifact does not exist - no point checking for javadoc/sources
                continue;
            }

            Artifact artifact =
                    IdeUtils.createArtifactWithClassifier(dependency.getGroupId(), dependency.getArtifactId(),
                                                          dependency.getVersion(), dependency.getClassifier(),
                                                          inClassifier, artifactFactory);
            File notAvailableMarkerFile = IdeUtils.getNotAvailableMarkerFile(localRepository, artifact);

            if (forceRecheck && notAvailableMarkerFile.exists()) {
                if (!notAvailableMarkerFile.delete()) {
                    getLog().warn(
                            Messages.getString("AbstractIdeSupportMojo.unabletodeletenotavailablemarkerfile",
                                               notAvailableMarkerFile));
                }
            }

            if (!notAvailableMarkerFile.exists()) {
                artifact =
                        IdeUtils.resolveArtifact(artifactResolver, artifact, remoteRepos, localRepository, getLog());
                if (artifact.isResolved()) {
                    if ("sources".equals(inClassifier)) {
                        dependency.setSourceAttachment(artifact.getFile());
                    } else if ("javadoc".equals(inClassifier)) {
                        dependency.setJavadocAttachment(artifact.getFile());
                    }
                } else {
                    if (includeRemoteRepositories) {
                        try {
                            notAvailableMarkerFile.createNewFile();
                            getLog().debug(
                                    Messages.getString("AbstractIdeSupportMojo.creatednotavailablemarkerfile",
                                                       notAvailableMarkerFile));
                        } catch (IOException e) {
                            getLog().warn(
                                    Messages.getString(
                                            "AbstractIdeSupportMojo.failedtocreatenotavailablemarkerfile",
                                            notAvailableMarkerFile));
                        }
                    }
                    // add the dependencies to the list
                    // of those lacking the required
                    // artifact
                    missingClassifierDependencies.add(dependency);
                }
            }
        }

        // return the list of dependencies missing the
        // required artifact
        return missingClassifierDependencies;
    }

    /** Output a message with the list of missing dependencies and info on how turn download on if it was disabled. */
    private void reportMissingArtifacts() {
        StringBuffer msg = new StringBuffer();

        if (getDownloadSources() && !missingSourceDependencies.isEmpty()) {
            msg.append(Messages.getString("AbstractIdeSupportMojo.sourcesnotavailable")); //$NON-NLS-1$

            for (Iterator it = missingSourceDependencies.iterator(); it.hasNext(); ) {
                IdeDependency art = (IdeDependency) it.next();
                msg.append(Messages.getString("AbstractIdeSupportMojo.sourcesmissingitem", art.getId())); //$NON-NLS-1$
            }
            msg.append("\n"); //$NON-NLS-1$
        }

        if (getDownloadJavadocs() && !missingJavadocDependencies.isEmpty()) {
            msg.append(Messages.getString("AbstractIdeSupportMojo.javadocnotavailable")); //$NON-NLS-1$

            for (Iterator it = missingJavadocDependencies.iterator(); it.hasNext(); ) {
                IdeDependency art = (IdeDependency) it.next();
                msg.append(Messages.getString("AbstractIdeSupportMojo.javadocmissingitem", art.getId())); //$NON-NLS-1$
            }
            msg.append("\n"); //$NON-NLS-1$
        }
        getLog().info(msg);
    }

    /**
     * @return List of dependencies to exclude from eclipse classpath.
     * @since 2.5
     */
    public abstract List getExcludes();

    /**
     * Checks if jar has to be resolved for the given artifact
     *
     * @param art the artifact to check
     * @return true if resolution should happen
     */
    protected boolean hasToResolveJar(Artifact art) {
        return !(getUseProjectReferences() && isAvailableAsAReactorProject(art));
    }

    /**
     * Checks if a projects reference has to be used for the given artifact
     *
     * @param art the artifact to check
     * @return true if a project reference has to be used.
     */
    protected boolean useProjectReference(Artifact art) {
        return getUseProjectReferences() && isAvailableAsAReactorProject(art);
    }

    /**
     * Checks whether the currently running Maven satisfies the specified version (range).
     *
     * @param version The version range to test for, must not be <code>null</code>.
     * @return <code>true</code> if the current Maven version matches the specified version range, <code>false</code>
     *         otherwise.
     */
    protected boolean isMavenVersion(String version) {
        try {
            VersionRange versionRange = VersionRange.createFromVersionSpec(version);
            ArtifactVersion mavenVersion = runtimeInformation.getApplicationVersion();
            return versionRange.containsVersion(mavenVersion);
        } catch (InvalidVersionSpecificationException e) {
            throw new IllegalArgumentException(e.getMessage());
        }
    }
}
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Related Classes of com.alibaba.citrus.maven.eclipse.base.ide.AbstractIdeSupportMojo

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