Java tutorial
/******************************************************************************* * Copyright (c) 2010-2014 SAP AG and others. * 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: * SAP AG - initial API and implementation *******************************************************************************/ package org.eclipse.skalli.view.ext.impl.internal.infobox; import java.text.MessageFormat; import java.util.Arrays; import java.util.List; import java.util.TreeSet; import org.apache.commons.lang.StringUtils; import org.eclipse.skalli.ext.mapping.scm.ScmLocationMapper; import org.eclipse.skalli.ext.mapping.scm.ScmLocationMapping; import org.eclipse.skalli.model.Project; import org.eclipse.skalli.model.ext.devinf.DevInfProjectExt; import org.eclipse.skalli.model.ext.maven.MavenCoordinate; import org.eclipse.skalli.model.ext.maven.MavenModule; import org.eclipse.skalli.model.ext.maven.MavenProjectExt; import org.eclipse.skalli.model.ext.maven.MavenReactor; import org.eclipse.skalli.model.ext.maven.MavenReactorProjectExt; import org.eclipse.skalli.model.ext.maven.MavenResolverService; import org.eclipse.skalli.services.Services; import org.eclipse.skalli.services.extension.PropertyMapper; import org.eclipse.skalli.view.ext.ExtensionUtil; import org.eclipse.skalli.view.ext.InfoBox; import org.eclipse.skalli.view.ext.InfoBoxBase; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.vaadin.terminal.Sizeable; import com.vaadin.ui.Component; import com.vaadin.ui.CssLayout; import com.vaadin.ui.Label; import com.vaadin.ui.Layout; import com.vaadin.ui.PopupView; public class ProjectMavenBox extends InfoBoxBase implements InfoBox { private static final Logger LOG = LoggerFactory.getLogger(ProjectMavenBox.class); private static final String STYLE_MAVEN_INFOBOX = "infobox-maven"; //$NON-NLS-1$ private static final String STYLE_MODULE_POPUP = "module-popup"; //$NON-NLS-1$ private static final String DEFAULT_POM_FILENAME = "pom.xml"; //$NON-NLS-1$ @Override public String getIconPath() { return "res/icons/maven.png"; //$NON-NLS-1$ } @Override public String getCaption() { return "Maven Project Information"; } @Override public Component getContent(Project project, ExtensionUtil util) { Layout layout = new CssLayout(); layout.addStyleName(STYLE_MAVEN_INFOBOX); layout.setSizeFull(); boolean rendered = false; String groupId = null; MavenReactorProjectExt reactorExt = project.getExtension(MavenReactorProjectExt.class); if (reactorExt != null) { MavenReactor mavenReactor = reactorExt.getMavenReactor(); if (mavenReactor != null) { MavenCoordinate coordinate = mavenReactor.getCoordinate(); groupId = coordinate.getGroupId(); createLabel(layout, "GroupId: <b>" + groupId + "</b>");//$NON-NLS-1$ //$NON-NLS-2$ createLabel(layout, "ArtifactId: <b>" + coordinate.getArtefactId() + "</b>");//$NON-NLS-1$ //$NON-NLS-2$ TreeSet<MavenModule> modules = mavenReactor.getModules(); StringBuilder sb = new StringBuilder(); if (modules.size() > 0) { int lineLength = 0; for (MavenModule module : modules) { //create popup with xml snippet sb.append("<dependency>\n"); sb.append(" <artifactId>" + module.getArtefactId() + "</artifactId>\n"); sb.append(" <groupId>" + module.getGroupId() + "</groupId>\n"); String latestVersion = module.getLatestVersion(); if (StringUtils.isNotBlank(latestVersion)) { sb.append(" <version>" + latestVersion + "</version>\n"); } else { sb.append(" <!--<version>0.0.0</version>-->\n"); } String packaging = module.getPackaging(); if (StringUtils.isNotBlank(packaging)) { sb.append(" <type>" + packaging + "</type>\n"); } sb.append("</dependency>\n"); lineLength = calculateLineLength(module, lineLength); } final Label label = new Label(sb.toString(), Label.CONTENT_PREFORMATTED); //add a buffer 10, as we didn't calculate the length of surrounding strings. label.setWidth(lineLength + 10, Sizeable.UNITS_EM); PopupView.Content content = new PopupView.Content() { private static final long serialVersionUID = -8362267064485433525L; @Override public String getMinimizedValueAsHTML() { return "Modules"; } @Override public Component getPopupComponent() { return label; } }; PopupView popup = new PopupView(content); popup.setHideOnMouseOut(false); popup.addStyleName(STYLE_MODULE_POPUP); layout.addComponent(popup); } rendered = true; } } MavenProjectExt mavenExt = project.getExtension(MavenProjectExt.class); if (mavenExt != null) { if (groupId == null) { groupId = mavenExt.getGroupID(); if (StringUtils.isNotBlank(groupId)) { createLabel(layout, "GroupId: <b> " + groupId + "</b>");//$NON-NLS-1$ //$NON-NLS-2$ rendered = true; } } DevInfProjectExt devInf = project.getExtension(DevInfProjectExt.class); if (devInf != null) { String reactorPomUrl = getReactorPomUrl(project, devInf, mavenExt); if (reactorPomUrl == null) { String reactorPomPath = mavenExt.getReactorPOM(); String caption = MessageFormat.format("Reactor POM Path: {0} (relative to SCM root location)", StringUtils.isNotBlank(reactorPomPath) ? reactorPomPath : "/"); createLabel(layout, caption); } else { createLink(layout, "Reactor POM", reactorPomUrl); } rendered = true; } if (StringUtils.isNotBlank(mavenExt.getSiteUrl())) { createLink(layout, "Project Site", mavenExt.getSiteUrl()); rendered = true; } } if (!rendered) { createLabel(layout, "Maven extension added but no data maintained."); } return layout; } private int calculateLineLength(MavenCoordinate module, int previousValue) { int newLength; int artefactLength = module.getArtefactId().length(); int groupLength = module.getGroupId().length(); newLength = Math.max(groupLength, artefactLength); newLength = Math.max(previousValue, newLength); return newLength; } private String getReactorPomUrl(Project project, DevInfProjectExt devInf, MavenProjectExt mavenExt) { String scmLocation = devInf.getScmLocation(); if (StringUtils.isBlank(scmLocation)) { return null; } String relativePath = mavenExt.getReactorPOM(); if (!isValidNormalizedPath(relativePath)) { return null; } ScmLocationMapper mapper = new ScmLocationMapper("git", ScmLocationMapper.PURPOSE_BROWSE); //$NON-NLS-1$ List<ScmLocationMapping> mappings = mapper.getFilteredMappings(); if (mappings.isEmpty()) { return null; } String repositoryRoot = null; for (ScmLocationMapping mapping : mappings) { repositoryRoot = PropertyMapper.convert(scmLocation, mapping.getPattern(), mapping.getTemplate(), project.getProjectId()); if (StringUtils.isNotBlank(repositoryRoot)) { break; } } if (StringUtils.isBlank(repositoryRoot)) { return null; } StringBuilder sb = new StringBuilder(); sb.append(repositoryRoot); sb.append(";f="); //$NON-NLS-1$ if (StringUtils.isBlank(relativePath) || ".".equals(relativePath)) { //$NON-NLS-1$ sb.append(DEFAULT_POM_FILENAME); } else if (!relativePath.endsWith(DEFAULT_POM_FILENAME)) { appendPath(sb, relativePath); if (!relativePath.endsWith("/")) { //$NON-NLS-1$ sb.append("/"); //$NON-NLS-1$ } sb.append(DEFAULT_POM_FILENAME); } else { appendPath(sb, relativePath); } sb.append(";hb=HEAD"); //$NON-NLS-1$ return sb.toString(); } private void appendPath(StringBuilder sb, String relativePath) { if (relativePath.charAt(0) == '/') { sb.append(relativePath.substring(1)); } else { sb.append(relativePath); } } @SuppressWarnings("nls") private boolean isValidNormalizedPath(String path) { if (StringUtils.isNotBlank(path)) { if (path.indexOf('\\') >= 0) { return false; } if (path.indexOf("..") >= 0 || path.startsWith("./") || path.endsWith("/.") || path.indexOf("/./") >= 0) { return false; } } return true; } @Override public float getPositionWeight() { return 1.6f; } @Override public int getPreferredColumn() { return COLUMN_WEST; } @Override public boolean isVisible(Project project, String loggedInUserId) { return project.getExtension(MavenProjectExt.class) != null; } @Override public String getShortName() { return "maven"; //$NON-NLS-1$ } @Override public void perform(String action, Project project, String userId) { if (REFRESH_ACTION.equalsIgnoreCase(action)) { try { MavenResolverService mavenService = Services.getService(MavenResolverService.class); if (mavenService != null) { mavenService.refresh(project, userId); } } catch (Exception e) { LOG.error(MessageFormat.format( "Failed to perform \''{0}\'' action on project \''{1}\'' for user \''{2}\''", action, project.getUuid(), userId)); } } } @Override public List<String> getSupportedActions() { return Arrays.asList(REFRESH_ACTION); } }