Java tutorial
/* * This library 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 2.1 of the License, or (at your option) any later version. * * This library 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 this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * */ package com.totsp.mavenplugin.gwt.scripting; import java.io.File; import java.io.FileWriter; import java.io.IOException; import java.io.PrintWriter; import java.util.Collection; import java.util.Iterator; import java.util.List; import org.apache.commons.io.FileUtils; import org.apache.commons.io.filefilter.HiddenFileFilter; import org.apache.commons.io.filefilter.WildcardFileFilter; import org.apache.maven.artifact.DependencyResolutionRequiredException; import org.apache.maven.plugin.MojoExecutionException; import org.codehaus.plexus.util.StringUtils; import com.totsp.mavenplugin.gwt.AbstractGWTMojo; import com.totsp.mavenplugin.gwt.DebugMojo; import com.totsp.mavenplugin.gwt.util.BuildClasspathUtil; import com.totsp.mavenplugin.gwt.util.DependencyScope; /** * Handler for writing cmd scripts for the windows platform. * * @author ccollins * @author rcooper */ public class ScriptWriterWindows implements ScriptWriter { public ScriptWriterWindows() { } /** * Write run script. */ public File writeRunScript(AbstractGWTMojo mojo) throws MojoExecutionException { String filename = (mojo instanceof DebugMojo) ? "debug.cmd" : "run.cmd"; File file = new File(mojo.getBuildDir(), filename); PrintWriter writer = this.getPrintWriterWithClasspath(mojo, file, DependencyScope.RUNTIME); String extra = (mojo.getExtraJvmArgs() != null) ? mojo.getExtraJvmArgs() : ""; writer.print("\"" + mojo.getJavaCommand() + "\" " + extra + " -cp %CLASSPATH% "); if (mojo instanceof DebugMojo) { writer.print(" -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,address="); writer.print(mojo.getDebugPort()); writer.print(",suspend=y "); } writer.print("-Dcatalina.base=\"" + mojo.getTomcat().getAbsolutePath() + "\" "); writer.print(" com.google.gwt.dev.GWTShell"); writer.print(" -gen \""); writer.print(mojo.getGen().getAbsolutePath()); writer.print("\" -logLevel "); writer.print(mojo.getLogLevel()); writer.print(" -style "); writer.print(mojo.getStyle()); writer.print(" -out "); writer.print("\"" + mojo.getOutput().getAbsolutePath() + "\""); writer.print(" -port "); writer.print(Integer.toString(mojo.getPort())); if (mojo.isNoServer()) { writer.print(" -noserver "); } if (mojo.getWhitelist() != null && mojo.getWhitelist().length() > 0) { writer.print(" -whitelist \""); writer.print(mojo.getWhitelist()); writer.print("\" "); } if (mojo.getBlacklist() != null && mojo.getBlacklist().length() > 0) { writer.print(" -blacklist \""); writer.print(mojo.getBlacklist()); writer.print("\" "); } writer.print(" " + mojo.getRunTarget()); writer.println(); writer.flush(); writer.close(); return file; } /** * Write compile script. */ public File writeCompileScript(AbstractGWTMojo mojo) throws MojoExecutionException { File file = new File(mojo.getBuildDir(), "compile.cmd"); PrintWriter writer = this.getPrintWriterWithClasspath(mojo, file, DependencyScope.COMPILE); for (String target : mojo.getCompileTarget()) { String extra = (mojo.getExtraJvmArgs() != null) ? mojo.getExtraJvmArgs() : ""; writer.print("\"" + mojo.getJavaCommand() + "\" " + extra + " -cp %CLASSPATH% "); writer.print(" com.google.gwt.dev.GWTCompiler "); writer.print(" -gen \""); writer.print(mojo.getGen().getAbsolutePath()); writer.print("\" -logLevel "); writer.print(mojo.getLogLevel()); writer.print(" -style "); writer.print(mojo.getStyle()); writer.print(" -out "); writer.print("\"" + mojo.getOutput().getAbsolutePath() + "\""); writer.print(" "); if (mojo.isEnableAssertions()) { writer.print(" -ea "); } writer.print(target); writer.println(); } writer.flush(); writer.close(); return file; } /** * Write i18n script. */ public File writeI18nScript(AbstractGWTMojo mojo) throws MojoExecutionException { File file = new File(mojo.getBuildDir(), "i18n.cmd"); if (!file.exists()) { if (mojo.getLog().isDebugEnabled()) mojo.getLog().debug("File '" + file.getAbsolutePath() + "' does not exsists, trying to create."); try { file.getParentFile().mkdirs(); file.createNewFile(); if (mojo.getLog().isDebugEnabled()) mojo.getLog().debug("New file '" + file.getAbsolutePath() + "' created."); } catch (Exception exe) { mojo.getLog().error( "Couldn't create file '" + file.getAbsolutePath() + "'. Reason: " + exe.getMessage(), exe); } } PrintWriter writer = this.getPrintWriterWithClasspath(mojo, file, DependencyScope.COMPILE); // constants if (mojo.getI18nConstantsNames() != null) { for (String target : mojo.getI18nConstantsNames()) { String extra = (mojo.getExtraJvmArgs() != null) ? mojo.getExtraJvmArgs() : ""; writer.print("\"" + mojo.getJavaCommand() + "\" " + extra + " -cp %CLASSPATH%"); writer.print(" com.google.gwt.i18n.tools.I18NSync"); writer.print(" -out "); writer.print("\"" + mojo.getI18nOutputDir() + "\""); writer.print(mojo.isI18nConstantsWithLookup() ? " -createConstantsWithLookup " : " "); writer.print(target); writer.println(); } } // messages if (mojo.getI18nMessagesNames() != null) { for (String target : mojo.getI18nMessagesNames()) { String extra = (mojo.getExtraJvmArgs() != null) ? mojo.getExtraJvmArgs() : ""; writer.print("\"" + mojo.getJavaCommand() + "\" " + extra + " -cp %CLASSPATH%"); writer.print(" com.google.gwt.i18n.tools.I18NSync"); writer.print(" -createMessages "); writer.print(" -out "); writer.print("\"" + mojo.getI18nOutputDir() + "\""); writer.print(" "); writer.print(target); writer.println(); } } writer.flush(); writer.close(); return file; } /** * Write test scripts. */ public void writeTestScripts(AbstractGWTMojo mojo) throws MojoExecutionException { // get extras String extra = (mojo.getExtraJvmArgs() != null) ? mojo.getExtraJvmArgs() : ""; String testExtra = mojo.getExtraTestArgs() != null ? mojo.getExtraTestArgs() : ""; // make sure output dir is present File outputDir = new File(mojo.getBuildDir(), "gwtTest"); outputDir.mkdirs(); outputDir.mkdir(); // for each test compile source root, build a test script List<String> testCompileRoots = mojo.getProject().getTestCompileSourceRoots(); for (String currRoot : testCompileRoots) { Collection<File> coll = FileUtils.listFiles(new File(currRoot), new WildcardFileFilter(mojo.getTestFilter()), HiddenFileFilter.VISIBLE); for (File currFile : coll) { String testName = currFile.toString(); mojo.getLog().debug(("gwtTest test match found (after filter applied) - " + testName)); // parse off the extension if (testName.lastIndexOf('.') > testName.lastIndexOf(File.separatorChar)) { testName = testName.substring(0, testName.lastIndexOf('.')); } if (testName.startsWith(currRoot)) { testName = testName.substring(currRoot.length()); } if (testName.startsWith(File.separator)) { testName = testName.substring(1); } testName = StringUtils.replace(testName, File.separatorChar, '.'); mojo.getLog().debug("testName after parsing - " + testName); // start script inside gwtTest output dir, and name it with test class name File file = new File(mojo.getBuildDir() + File.separator + "gwtTest", "gwtTest-" + testName + ".cmd"); PrintWriter writer = this.getPrintWriterWithClasspath(mojo, file, DependencyScope.TEST); // build Java command writer.print("\"" + mojo.getJavaCommand() + "\" "); if (extra.length() > 0) { writer.print(" " + extra + " "); } if (testExtra.length() > 0) { writer.print(" " + testExtra + " "); } writer.print("-cp %CLASSPATH% "); writer.print("-Dcatalina.base=\"" + mojo.getTomcat().getAbsolutePath() + "\" "); writer.print("junit.textui.TestRunner "); writer.print(testName); // write script out writer.flush(); writer.close(); } } } /** * Util to get a PrintWriter with Windows preamble. * * @param mojo * @param file * @return * @throws MojoExecutionException */ private PrintWriter getPrintWriterWithClasspath(final AbstractGWTMojo mojo, File file, final DependencyScope scope) throws MojoExecutionException { PrintWriter writer = null; try { writer = new PrintWriter(new FileWriter(file)); writer.println("@echo off"); } catch (IOException e) { throw new MojoExecutionException("Error creating script - " + file, e); } try { Collection<File> classpath = BuildClasspathUtil.buildClasspathList(mojo, scope); writer.print("set CLASSPATH="); StringBuffer cpString = new StringBuffer(); for (File f : classpath) { cpString.append("\"" + f.getAbsolutePath() + "\";"); // break the line at 4000 characters to try to avoid max size if (cpString.length() > 4000) { writer.println(cpString); cpString = new StringBuffer(); writer.print("set CLASSPATH=%CLASSPATH%;"); } } writer.println(cpString); writer.println(); } catch (DependencyResolutionRequiredException e) { throw new MojoExecutionException("Error creating script - " + file, e); } writer.println(); return writer; } }