Java tutorial
/************************************************************************* * * $RCSfile: JavaBuilder.java,v $ * * $Revision: 1.7 $ * * last change: $Author: cedricbosdo $ $Date: 2008/12/13 13:43:02 $ * * The Contents of this file are made available subject to the terms of * the GNU Lesser General Public License Version 2.1 * * Sun Microsystems Inc., October, 2000 * * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * 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., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * The Initial Developer of the Original Code is: Sun Microsystems, Inc.. * * Copyright: 2002 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): Cedric Bosdonnat * * ************************************************************************/ package org.libreoffice.ide.eclipse.java; import java.io.File; import java.io.IOException; import java.io.InputStreamReader; import java.io.LineNumberReader; import java.text.MessageFormat; import java.util.ArrayList; import java.util.List; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.core.runtime.Path; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jdt.launching.IVMInstall; import org.eclipse.jdt.launching.JavaRuntime; import org.eclipse.jdt.ui.jarpackager.IJarExportRunnable; import org.eclipse.jdt.ui.jarpackager.JarPackageData; import org.libreoffice.ide.eclipse.core.PluginLogger; import org.libreoffice.ide.eclipse.core.model.IUnoidlProject; import org.libreoffice.ide.eclipse.core.model.ProjectsManager; import org.libreoffice.ide.eclipse.core.model.config.IOOo; import org.libreoffice.ide.eclipse.core.model.config.ISdk; import org.libreoffice.ide.eclipse.core.model.language.ILanguageBuilder; import org.libreoffice.ide.eclipse.core.model.utils.SystemHelper; import org.libreoffice.ide.eclipse.java.build.FilesVisitor; import org.libreoffice.ide.eclipse.java.build.UnoManifestProvider; import org.libreoffice.plugin.core.model.UnoPackage; /** * The language builder implementation for Java. */ public class JavaBuilder implements ILanguageBuilder { private Language mLanguage; /** * Constructor. * * @param pLanguage the Java Language object */ public JavaBuilder(Language pLanguage) { mLanguage = pLanguage; } /** * {@inheritDoc} */ @Override public IFile createLibrary(IUnoidlProject pUnoProject) throws Exception { IFile jarFile = ((JavaProjectHandler) mLanguage.getProjectHandler()).getJarFile(pUnoProject); // Add all the jar dependencies IProject prj = ResourcesPlugin.getWorkspace().getRoot().getProject(pUnoProject.getName()); IJavaProject javaPrj = JavaCore.create(prj); List<IFile> externalJars = getLibs(javaPrj); JarPackageData description = new JarPackageData(); description.setGenerateManifest(true); description.setJarLocation(jarFile.getLocation()); String regClassname = ((JavaProjectHandler) mLanguage.getProjectHandler()) .getRegistrationClassName(pUnoProject); description.setManifestProvider(new UnoManifestProvider(regClassname, pUnoProject, externalJars)); description.setManifestLocation(pUnoProject.getFile("MANIFEST.MF").getFullPath()); //$NON-NLS-1$ description.setSaveManifest(false); description.setReuseManifest(false); description.setExportOutputFolders(true); description.setExportClassFiles(true); description.setExportWarnings(true); description.setOverwrite(true); // Get the files to export: javamaker output + project classes FilesVisitor visitor = new FilesVisitor(); visitor.addException(pUnoProject.getFolder(pUnoProject.getUrdPath())); IFolder buildDir = pUnoProject.getFolder(pUnoProject.getBuildPath()); buildDir.accept(visitor); description.setElements(visitor.getFiles()); // Create the Jar file IJarExportRunnable runnable = description.createJarExportRunnable(null); runnable.run(new NullProgressMonitor()); return jarFile; } /** * {@inheritDoc} */ @Override public void generateFromTypes(ISdk pSdk, IOOo pOoo, IProject pPrj, File pTypesFile, File pBuildFolder, String pRootModule, IProgressMonitor pMonitor) { if (pTypesFile.exists()) { if (null != pSdk && null != pOoo) { String[] paths = pOoo.getTypesPath(); String oooTypesArgs = ""; //$NON-NLS-1$ for (String path : paths) { IPath ooTypesPath = new Path(path); oooTypesArgs += " -X\"" + ooTypesPath.toOSString() + "\""; //$NON-NLS-1$ //$NON-NLS-2$ } // TODO What if the user creates other root modules ? String firstModule = pRootModule.split("::")[0]; //$NON-NLS-1$ runJavamaker(firstModule, oooTypesArgs, pSdk, pPrj, pTypesFile, pBuildFolder, pMonitor); } } } private void runJavamaker(String firstModule, String oooTypesArgs, ISdk pSdk, IProject pPrj, File pTypesFile, File pBuildFolder, IProgressMonitor pMonitor) { StringBuffer errBuf = new StringBuffer(); try { String cmdPattern = "javamaker -T {0}.* -nD -Gc -O {1} \"{2}\" {3}"; //$NON-NLS-1$ String command = MessageFormat.format(cmdPattern, firstModule, pBuildFolder.getAbsolutePath(), pTypesFile.getAbsolutePath(), oooTypesArgs); IUnoidlProject unoprj = ProjectsManager.getProject(pPrj.getName()); Process process = pSdk.runTool(unoprj, command, pMonitor); process.waitFor(); LineNumberReader lineReader = new LineNumberReader(new InputStreamReader(process.getErrorStream())); String line = lineReader.readLine(); while (null != line) { errBuf.append(line + '\n'); line = lineReader.readLine(); } PluginLogger.debug(errBuf.toString()); } catch (InterruptedException e) { PluginLogger.error(Messages.getString("Language.CreateCodeError"), e); //$NON-NLS-1$ } catch (IOException e) { PluginLogger.warning(Messages.getString("Language.UnreadableOutputError")); //$NON-NLS-1$ } } /** * {@inheritDoc} */ @Override public String[] getBuildEnv(IUnoidlProject pUnoProject) { IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(pUnoProject.getName()); String[] env = new String[2]; // compute the classpath for the project's OOo instance String classpath = "CLASSPATH="; //$NON-NLS-1$ String sep = System.getProperty("path.separator"); //$NON-NLS-1$ File javaHomeFile = null; // Compute the classpath for the project dependencies IJavaProject javaProject = JavaCore.create(project); if (javaProject != null) { try { IClasspathEntry[] cpEntry = javaProject.getResolvedClasspath(true); for (int i = 0; i < cpEntry.length; i++) { IClasspathEntry entry = cpEntry[i]; // Transform into the correct path for the entry. if (entry.getEntryKind() != IClasspathEntry.CPE_SOURCE) { classpath += entry.getPath().toOSString(); } if (i < cpEntry.length - 1) { classpath += sep; } } IVMInstall vmInstall = JavaRuntime.getVMInstall(javaProject); javaHomeFile = vmInstall.getInstallLocation(); } catch (JavaModelException e) { PluginLogger.error(Messages.getString("Language.GetClasspathError"), e); //$NON-NLS-1$ } catch (CoreException e) { // TODO log a problem to find the JVM associated to the project } } env[0] = classpath; if (javaHomeFile != null) { String libs = ""; //$NON-NLS-1$ String filesep = System.getProperty("file.separator"); //$NON-NLS-1$ try { String arch = System.getProperty("os.arch"); //$NON-NLS-1$ libs = javaHomeFile.getCanonicalPath() + filesep + "lib" + filesep + arch; //$NON-NLS-1$ } catch (IOException e) { } env[1] = "LD_LIBRARY_PATH=" + libs; //$NON-NLS-1$ } return env; } /** * {@inheritDoc} */ @Override public void fillUnoPackage(UnoPackage pUnoPackage, IUnoidlProject pUnoPrj) { // Add the component Jar file JavaProjectHandler handler = (JavaProjectHandler) mLanguage.getProjectHandler(); File libFile = SystemHelper.getFile(handler.getJarFile(pUnoPrj)); File prjFile = SystemHelper.getFile(pUnoPrj); pUnoPackage.addComponentFile(UnoPackage.getPathRelativeToBase(libFile, prjFile), libFile, "Java"); //$NON-NLS-1$ // Add all the jar dependencies IProject prj = ResourcesPlugin.getWorkspace().getRoot().getProject(pUnoPrj.getName()); IJavaProject javaPrj = JavaCore.create(prj); ArrayList<IFile> libs = getLibs(javaPrj); for (IFile lib : libs) { File jarFile = SystemHelper.getFile(lib); pUnoPackage.addOtherFile(UnoPackage.getPathRelativeToBase(jarFile, prjFile), jarFile); } } /** * Get the libraries in the classpath that are located in the project * directory or one of its subfolder. * * @param pJavaPrj the project from which to extract the libraries * @return a list of all the File pointing to the libraries. */ private ArrayList<IFile> getLibs(IJavaProject pJavaPrj) { ArrayList<IFile> libs = new ArrayList<IFile>(); try { IClasspathEntry[] entries = pJavaPrj.getResolvedClasspath(true); for (IClasspathEntry entry : entries) { if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) { /* * At first, add only the libraries located in the project * or one of its children. All others libraries have to be * managed by the user. */ IPath path = entry.getPath(); if (!new File(path.toOSString()).exists() && path.isAbsolute() && path.toString().startsWith("/" + pJavaPrj.getProject().getName())) { //$NON-NLS-1$ // Relative to the project IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(path); if (file != null && file.exists()) { libs.add(file); } } } } } catch (JavaModelException e) { // Enable to add some missing library } return libs; } }