Java tutorial
/** * Copyright (C) 2013 https://github.com/treefarm/haxebuildr-maven-plugin * * 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 io.treefarm.plugins.haxe.components; import io.treefarm.plugins.haxe.components.nativeProgram.NativeProgram; import io.treefarm.plugins.haxe.components.nativeProgram.HaxelibNativeProgram; import io.treefarm.plugins.haxe.utils.CompileTarget; import io.treefarm.plugins.haxe.utils.HarMetadata; import io.treefarm.plugins.haxe.utils.HaxeFileExtensions; import org.apache.maven.artifact.Artifact; import org.apache.maven.project.MavenProject; import org.codehaus.plexus.archiver.zip.ZipUnArchiver; import org.codehaus.plexus.component.annotations.Component; import org.codehaus.plexus.component.annotations.Requirement; import org.codehaus.plexus.logging.Logger; import org.apache.commons.lang3.StringUtils; import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import java.io.File; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.Set; import java.io.BufferedReader; import java.io.FileReader; import java.util.Set; import java.util.HashSet; import java.util.Iterator; @Component(role = HaxeCompiler.class) public final class HaxeCompiler { @Requirement(hint = "haxe") private NativeProgram haxe; @Requirement(hint = "haxelib") private HaxelibNativeProgram haxelib; @Requirement private Logger logger; private File outputDirectory; public void compileHxml(MavenProject project, File hxml, File workingDirectory) throws Exception { List<String> args; int returnValue; // get the list of libs in the hxml String haxelibToInstall; Set<String> haxelibsToInstall = new HashSet<String>(); BufferedReader reader = new BufferedReader(new FileReader(hxml.getAbsolutePath())); String line = null; while ((line = reader.readLine()) != null) { haxelibToInstall = StringUtils.substringAfter(line, "-lib "); if (!StringUtils.startsWith(line, "#") && haxelibToInstall.length() > 0) { haxelibsToInstall.add(haxelibToInstall); } } // go through the list and if they are not installed, install them now Iterator<String> it = haxelibsToInstall.iterator(); while (it.hasNext()) { haxelibToInstall = it.next(); args = new ArrayList<String>(); args.add("path"); args.add(haxelibToInstall); returnValue = haxelib.execute(args); if (returnValue > 0) { args = new ArrayList<String>(); args.add("install"); args.add(haxelibToInstall); logger.info("Installing haxelib '" + haxelibToInstall + "'"); returnValue = haxelib.execute(args, logger); if (returnValue > 0) { throw new Exception("Haxelib was installing '" + haxelibToInstall + "', but has encountered an error and cannot proceed."); } } } // now that the libs are installed, compile the project args = new ArrayList<String>(); args.add(hxml.getAbsolutePath()); logger.info("Building '" + hxml.getName() + "'"); returnValue = haxe.execute(args, workingDirectory); if (returnValue > 0) { throw new Exception("Haxe compiler was building '" + hxml.getName() + "', but has encountered an error and cannot proceed."); } } public void compile(MavenProject project, Map<CompileTarget, String> targets, String main, boolean debug, boolean includeTestSources, boolean verbose) throws Exception { compile(project, targets, main, debug, includeTestSources, verbose, null); } public void compile(MavenProject project, Map<CompileTarget, String> targets, String main, boolean debug, boolean includeTestSources, boolean verbose, List<String> additionalArguments) throws Exception { List<String> args = new ArrayList<String>(); for (String sourceRoot : project.getCompileSourceRoots()) { addSourcePath(args, sourceRoot); } if (includeTestSources) { for (String sourceRoot : project.getTestCompileSourceRoots()) { addSourcePath(args, sourceRoot); } } addLibs(args, project); addHars(args, project, targets.keySet()); addMain(args, main); addDebug(args, debug); if (additionalArguments != null) args.addAll(additionalArguments); for (CompileTarget target : targets.keySet()) { String output = targets.get(target); List<String> argsClone = new ArrayList<String>(); argsClone.addAll(args); addTarget(argsClone, target); argsClone.add(output); haxe.execute(argsClone); } } private void addLibs(List<String> argumentsList, MavenProject project) { for (Artifact artifact : project.getArtifacts()) { if (artifact.getType().equals(HaxeFileExtensions.HAXELIB) || artifact.getType().equals(HaxeFileExtensions.POM_HAXELIB)) { String haxelibId = artifact.getArtifactId() + ":" + artifact.getVersion(); argumentsList.add("-lib"); argumentsList.add(haxelibId); } } } private void addTarget(List<String> args, CompileTarget target) { switch (target) { case java: { args.add("-java"); break; } case neko: { args.add("-neko"); break; } } } private void addDebug(List<String> argumentsList, boolean debug) { if (debug) argumentsList.add("-debug"); } private void addHars(List<String> argumentsList, MavenProject project, Set<CompileTarget> targets) { File dependenciesDirectory = new File(outputDirectory, "dependencies"); if (!dependenciesDirectory.exists()) dependenciesDirectory.mkdir(); for (Artifact artifact : project.getArtifacts()) { if (artifact.getType().equals(HaxeFileExtensions.HAR)) { File harUnpackDirectory = new File(dependenciesDirectory, artifact.getArtifactId()); if (!harUnpackDirectory.exists()) { harUnpackDirectory.mkdir(); ZipUnArchiver unArchiver = new ZipUnArchiver(); unArchiver.enableLogging(logger); unArchiver.setSourceFile(artifact.getFile()); unArchiver.setDestDirectory(harUnpackDirectory); unArchiver.extract(); } try { File metadataFile = new File(harUnpackDirectory, HarMetadata.METADATA_FILE_NAME); JAXBContext jaxbContext = JAXBContext.newInstance(HarMetadata.class, CompileTarget.class); HarMetadata metadata = (HarMetadata) jaxbContext.createUnmarshaller().unmarshal(metadataFile); if (!metadata.target.containsAll(targets)) logger.warn("Dependency " + artifact + " is not compatible with your compile targets."); } catch (JAXBException e) { logger.warn("Can't read " + artifact + "metadata", e); } addSourcePath(argumentsList, harUnpackDirectory.getAbsolutePath()); } } } private void addMain(List<String> argumentsList, String main) { argumentsList.add("-main"); argumentsList.add(main); } private void addSourcePath(List<String> argumentsList, String sourcePath) { argumentsList.add("-cp"); argumentsList.add(sourcePath); } public void setOutputDirectory(File outputDirectory) { this.outputDirectory = outputDirectory; } }