Java tutorial
/* * Copyright 2011 Instituto Superior Tecnico * * https://fenix-ashes.ist.utl.pt/ * * This file is part of the vaadin-framework. * * The vaadin-framework Infrastructure is free software: you can * redistribute it and/or modify it under the terms of the GNU Lesser General * Public License as published by the Free Software Foundation, either version * 3 of the License, or (at your option) any later version.* * * vaadin-framework is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with vaadin-framework. If not, see <http://www.gnu.org/licenses/>. * */ package pt.ist.vaadinframework.codegeneration; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.net.URL; import java.util.ArrayList; import java.util.List; import java.util.Properties; import org.apache.commons.lang.StringUtils; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.DirectoryScanner; import org.apache.tools.ant.Task; import org.apache.tools.ant.types.FileSet; import org.joda.time.DateTime; import org.joda.time.Duration; import org.joda.time.format.PeriodFormatter; import org.joda.time.format.PeriodFormatterBuilder; import pt.ist.fenixframework.FenixFrameworkPlugin; import pt.ist.fenixframework.pstm.DML; import pt.ist.fenixframework.pstm.dml.FenixDomainModel; import pt.utl.ist.fenix.tools.util.MultiProperty; import antlr.ANTLRException; import com.sun.codemodel.JClassAlreadyExistsException; /** * @author Pedro Santos (pedro.miguel.santos@ist.utl.pt) * */ public class VaadinProxiesCodeGeneratorTask extends Task { private File srcBaseDir; private File buildDir; private File packageSourceLocations; private String vaadinSrcDir; private final List<FileSet> filesets = new ArrayList<FileSet>(); public File getSrcBaseDir() { return srcBaseDir; } public void setSrcBaseDir(File srcBaseDir) { this.srcBaseDir = srcBaseDir; } public File getBuildDir() { return buildDir; } public void setBuildDir(File buildDir) { this.buildDir = buildDir; } public File getPackageSourceLocations() { return packageSourceLocations; } public void setPackageSourceLocations(File packageSourceLocations) { this.packageSourceLocations = packageSourceLocations; } public String getVaadinSrcDir() { return vaadinSrcDir; } public void setVaadinSrcDir(String vaadinSrcDir) { this.vaadinSrcDir = vaadinSrcDir; } public void addFileset(FileSet fileset) { filesets.add(fileset); } @Override public void execute() throws BuildException { super.execute(); DateTime start = new DateTime(); final Properties properties = new MultiProperty(); try { properties.load( new FileInputStream(buildDir.getAbsolutePath() + "/WEB-INF/classes/configuration.properties")); File timestampFile = new File(srcBaseDir, "vaadin-timestamp"); long latestBuildTime = srcBaseDir != null ? srcBaseDir.lastModified() : 0; boolean shouldCompile = false; // final String preInitClassnames = // properties.getProperty("pre.init.classnames"); // System.out.println("Pre-init class names: " + preInitClassnames); // if (preInitClassnames != null) { // final String[] classnames = preInitClassnames.split(","); // for (final String classname : classnames) { // if (classname != null && !classname.isEmpty()) { // try { // Class.forName(classname.trim()); // } catch (final ClassNotFoundException e) { // throw new Error(e); // } // } // } // } List<URL> domainModelURLs = new ArrayList<URL>(); // whereToInject keeps track where the DMLs for the plugin should // be injected, so they are sequential injected and before the // application DMLs FenixFrameworkPlugin[] plugins = getPluginArray(properties); if (plugins != null) { for (FenixFrameworkPlugin plugin : plugins) { List<URL> pluginDomainModel = plugin.getDomainModel(); domainModelURLs.addAll(pluginDomainModel); } } for (FileSet fileset : filesets) { if (fileset.getDir().exists()) { DirectoryScanner scanner = fileset.getDirectoryScanner(getProject()); String[] includedFiles = scanner.getIncludedFiles(); for (String includedFile : includedFiles) { String filePath = fileset.getDir().getAbsolutePath() + "/" + includedFile; File file = new File(filePath); boolean isModified = file.lastModified() > latestBuildTime; // System.out.println(includedFile + " : " + (isModified // ? "not up to date" : "up to date")); domainModelURLs.add(new File(filePath).toURI().toURL()); shouldCompile = shouldCompile || isModified; } } } // first, get the domain model FenixDomainModel model = DML.getDomainModelForURLs(FenixDomainModel.class, domainModelURLs, false); VaadinProxiesCodeGenerator generator = new VaadinProxiesCodeGenerator(model, srcBaseDir, vaadinSrcDir, packageSourceLocations); generator.generate(); timestampFile.delete(); timestampFile.createNewFile(); // } else { // System.out.println("All dml files are up to date, skipping generation"); // } } catch (IOException e) { throw new BuildException(e); } catch (ANTLRException e) { throw new BuildException(e); } catch (JClassAlreadyExistsException e) { throw new BuildException(e); } Duration processingTime = new Duration(start, new DateTime()); PeriodFormatter formatter = new PeriodFormatterBuilder().appendMinutes().appendSuffix("m").appendSeconds() .appendSuffix("s").toFormatter(); System.out.println("Vaadin Generation Took: " + formatter.print(processingTime.toPeriod())); } private FenixFrameworkPlugin[] getPluginArray(Properties properties) { String property = properties.getProperty("plugins"); if (StringUtils.isEmpty(property)) { return new FenixFrameworkPlugin[0]; } String[] classNames = property.split("\\s*,\\s*"); FenixFrameworkPlugin[] pluginArray = new FenixFrameworkPlugin[classNames.length]; for (int i = 0; i < classNames.length; i++) { try { pluginArray[i] = (FenixFrameworkPlugin) Class.forName(classNames[i].trim()).newInstance(); } catch (InstantiationException e) { throw new Error(e); } catch (IllegalAccessException e) { throw new Error(e); } catch (ClassNotFoundException e) { throw new Error(e); } } return pluginArray; } }