Java tutorial
/* * Copyright 2019 ThoughtWorks, Inc. * * Licensed 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.thoughtworks.go.domain.materials; import com.thoughtworks.go.config.materials.IgnoredFiles; import com.thoughtworks.go.config.materials.PackageMaterial; import com.thoughtworks.go.config.materials.PluggableSCMMaterial; import com.thoughtworks.go.config.materials.dependency.DependencyMaterial; import com.thoughtworks.go.config.materials.svn.SvnMaterial; import com.thoughtworks.go.domain.BaseCollection; import com.thoughtworks.go.domain.materials.dependency.DependencyMaterialRevision; import com.thoughtworks.go.domain.materials.packagematerial.PackageMaterialRevision; import com.thoughtworks.go.domain.materials.scm.PluggableSCMMaterialRevision; import com.thoughtworks.go.domain.materials.svn.SubversionRevision; import org.apache.commons.collections4.CollectionUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.util.*; public class Modifications extends BaseCollection<Modification> { private static final Logger LOG = LoggerFactory.getLogger(Modifications.class); public Modifications() { } public Modifications(Modification... modifications) { super(modifications); } public Modifications(List<Modification> modifications) { super(modifications); } public String getUsername() { return isEmpty() ? "Unknown" : first().getUserDisplayName(); } public String getRevision() { return isEmpty() ? "Unknown" : first().getRevision(); } public static List<Modification> filterOutRevision(List<Modification> modifications, Revision withoutThisRevision) { List<Modification> filtered = new ArrayList<>(); for (Modification modification : modifications) { if (!modification.getRevision().equals(withoutThisRevision.getRevision())) { filtered.add(modification); } } return filtered; } public Boolean containsRevisionFor(Modification modification) { for (Modification curModification : this) { if (curModification.isSameRevision(modification)) { return true; } } return false; } public boolean hasModfication(long id) { for (Modification modification : this) { if (modification.getId() == id) { return true; } } return false; } public Modifications since(long sinceId) { Modifications laterRevisions = new Modifications(); for (Modification modification : this) { if (modification.getId() == sinceId) { return laterRevisions; } laterRevisions.add(modification); } throw new RuntimeException(String.format("Could not find modification %s in %s", sinceId, this)); } public Revision latestRevision(Material material) { if (material instanceof SvnMaterial) { String revision = Modification.latestRevision(this).getRevision(); return new SubversionRevision(revision); } if (material instanceof DependencyMaterial) { Modification latestModification = this.get(0); String revision = latestModification.getRevision(); return DependencyMaterialRevision.create(revision, latestModification.getPipelineLabel()); } if (material instanceof PackageMaterial) { Modification latestModification = this.get(0); return new PackageMaterialRevision(latestModification.getRevision(), latestModification.getModifiedTime(), latestModification.getAdditionalDataMap()); } if (material instanceof PluggableSCMMaterial) { Modification latestModification = this.get(0); return new PluggableSCMMaterialRevision(latestModification.getRevision(), latestModification.getModifiedTime(), latestModification.getAdditionalDataMap()); } return Modification.latestRevision(this); } public boolean shouldBeIgnoredByFilterIn(MaterialConfig materialConfig) { if (materialConfig.filter().shouldNeverIgnore()) { return false; } Set<ModifiedFile> allFiles = getAllFiles(this); Set<ModifiedFile> ignoredFiles = new HashSet<>(); for (ModifiedFile file : allFiles) { appyIgnoreFilter(materialConfig, file, ignoredFiles); } LOG.debug("Checking ignore filters for {}", materialConfig); LOG.debug("Ignored files: {}", ignoredFiles); LOG.debug("Changed files: {}", CollectionUtils.subtract(allFiles, ignoredFiles)); if (materialConfig.isInvertFilter()) { // return true (ignore) if we are inverting the filter, and the ignoredFiles and allFiles are disjoint sets return Collections.disjoint(allFiles, ignoredFiles); } else { return ignoredFiles.containsAll(allFiles); } } private void appyIgnoreFilter(MaterialConfig materialConfig, ModifiedFile file, Set<ModifiedFile> ignoredFiles) { for (IgnoredFiles ignore : materialConfig.filter()) { if (ignore.shouldIgnore(materialConfig, file.getFileName())) { ignoredFiles.add(file); } } } private Set<ModifiedFile> getAllFiles(List<Modification> modifications) { Set<ModifiedFile> allFiles = new HashSet<>(); for (Modification modification : modifications) { allFiles.addAll(modification.getModifiedFiles()); } return allFiles; } }