Package org.apache.ivy.core.install

Source Code of org.apache.ivy.core.install.InstallEngine

/*
*  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.
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*/
package org.apache.ivy.core.install;

import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.Date;

import org.apache.ivy.core.module.descriptor.Configuration;
import org.apache.ivy.core.module.descriptor.DefaultDependencyDescriptor;
import org.apache.ivy.core.module.descriptor.DefaultModuleDescriptor;
import org.apache.ivy.core.module.descriptor.ModuleDescriptor;
import org.apache.ivy.core.module.id.ModuleId;
import org.apache.ivy.core.module.id.ModuleRevisionId;
import org.apache.ivy.core.report.ArtifactDownloadReport;
import org.apache.ivy.core.report.ResolveReport;
import org.apache.ivy.core.resolve.DownloadOptions;
import org.apache.ivy.core.resolve.IvyNode;
import org.apache.ivy.core.resolve.ResolveEngine;
import org.apache.ivy.core.resolve.ResolveOptions;
import org.apache.ivy.core.search.SearchEngine;
import org.apache.ivy.plugins.conflict.NoConflictManager;
import org.apache.ivy.plugins.matcher.ExactPatternMatcher;
import org.apache.ivy.plugins.matcher.MatcherHelper;
import org.apache.ivy.plugins.matcher.PatternMatcher;
import org.apache.ivy.plugins.resolver.DependencyResolver;
import org.apache.ivy.util.Message;

public class InstallEngine {
    private InstallEngineSettings settings;

    private ResolveEngine resolveEngine;

    private SearchEngine searchEngine;

    public InstallEngine(InstallEngineSettings settings, SearchEngine searchEngine,
            ResolveEngine resolveEngine) {
        this.settings = settings;
        this.searchEngine = searchEngine;
        this.resolveEngine = resolveEngine;
    }

    public ResolveReport install(ModuleRevisionId mrid, String from, String to,
            InstallOptions options) throws IOException {
        DependencyResolver fromResolver = settings.getResolver(from);
        DependencyResolver toResolver = settings.getResolver(to);
        if (fromResolver == null) {
            throw new IllegalArgumentException("unknown resolver " + from
                    + ". Available resolvers are: " + settings.getResolverNames());
        }
        if (toResolver == null) {
            throw new IllegalArgumentException("unknown resolver " + to
                    + ". Available resolvers are: " + settings.getResolverNames());
        }
        PatternMatcher matcher = settings.getMatcher(options.getMatcherName());
        if (matcher == null) {
            throw new IllegalArgumentException("unknown matcher " + options.getMatcherName()
                    + ". Available matchers are: " + settings.getMatcherNames());
        }

        // build module file declaring the dependency
        Message.info(":: installing " + mrid + " ::");
        DependencyResolver oldDicator = resolveEngine.getDictatorResolver();
        boolean log = settings.logNotConvertedExclusionRule();
        try {
            settings.setLogNotConvertedExclusionRule(true);
            resolveEngine.setDictatorResolver(fromResolver);

            DefaultModuleDescriptor md = new DefaultModuleDescriptor(ModuleRevisionId.newInstance(
                "apache", "ivy-install", "1.0"), settings.getStatusManager().getDefaultStatus(),
                    new Date());
            String resolveId = ResolveOptions.getDefaultResolveId(md);
            md.addConfiguration(new Configuration("default"));
            md.addConflictManager(new ModuleId(ExactPatternMatcher.ANY_EXPRESSION,
                    ExactPatternMatcher.ANY_EXPRESSION), ExactPatternMatcher.INSTANCE,
                new NoConflictManager());

            for (int c = 0; c < options.getConfs().length; c++) {
                final String[] depConfs = options.getConfs();

                for (int j = 0; j < depConfs.length; j++) {
                    final String depConf = depConfs[j].trim();
               
                    if (MatcherHelper.isExact(matcher, mrid)) {
                        DefaultDependencyDescriptor dd = new DefaultDependencyDescriptor(md, mrid, false,
                                false, options.isTransitive());
                        dd.addDependencyConfiguration("default", depConf);
                        md.addDependency(dd);
                    } else {
                        ModuleRevisionId[] mrids = searchEngine.listModules(fromResolver, mrid, matcher);
       
                        for (int i = 0; i < mrids.length; i++) {
                            Message.info("\tfound " + mrids[i] + " to install: adding to the list");
                            DefaultDependencyDescriptor dd = new DefaultDependencyDescriptor(md, mrids[i],
                                    false, false, options.isTransitive());
                            dd.addDependencyConfiguration("default", depConf);
                            md.addDependency(dd);
                        }
                    }
                }
            }
           
            // resolve using appropriate resolver
            ResolveReport report = new ResolveReport(md, resolveId);

            Message.info(":: resolving dependencies ::");
            ResolveOptions resolveOptions = new ResolveOptions()
                                .setResolveId(resolveId)
                                .setConfs(new String[] {"default"})
                                .setValidate(options.isValidate());
            IvyNode[] dependencies = resolveEngine.getDependencies(md, resolveOptions, report);
            report.setDependencies(Arrays.asList(dependencies), options.getArtifactFilter());

            Message.info(":: downloading artifacts to cache ::");
            resolveEngine.downloadArtifacts(
                report, options.getArtifactFilter(), new DownloadOptions());
           
            // now that everything is in cache, we can publish all these modules
            Message.info(":: installing in " + to + " ::");
            for (int i = 0; i < dependencies.length; i++) {
                ModuleDescriptor depmd = dependencies[i].getDescriptor();
                if (depmd != null) {
                    ModuleRevisionId depMrid = depmd.getModuleRevisionId();
                    Message.verbose("installing " + depMrid);
                    boolean successfullyPublished = false;
                    try {
                        toResolver.beginPublishTransaction(depMrid, options.isOverwrite());
                       
                        // publish artifacts
                        ArtifactDownloadReport[] artifacts =
                                report.getArtifactsReports(depMrid);
                        for (int j = 0; j < artifacts.length; j++) {
                            if (artifacts[j].getLocalFile() != null) {
                                toResolver.publish(artifacts[j].getArtifact(),
                                    artifacts[j].getLocalFile(), options.isOverwrite());
                            }
                        }
                       
                        // publish metadata
                        File localIvyFile = dependencies[i]
                                                    .getModuleRevision().getReport().getLocalFile();
                        toResolver.publish(
                            depmd.getMetadataArtifact(), localIvyFile, options.isOverwrite());
                       
                        // end module publish
                        toResolver.commitPublishTransaction();
                        successfullyPublished  = true;
                    } finally {
                        if (!successfullyPublished) {
                            toResolver.abortPublishTransaction();
                        }
                    }
                }
            }

            Message.info(":: install resolution report ::");

            // output report
            resolveEngine.outputReport(
                report, settings.getResolutionCacheManager(), resolveOptions);

            return report;
        } finally {
            // IVY-834: log the problems if there were any...
            Message.sumupProblems();

            resolveEngine.setDictatorResolver(oldDicator);
            settings.setLogNotConvertedExclusionRule(log);
        }
    }

}
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