代码创建java工程
package?com.wisoft.magicube.codegenerator.popup.actions;002?003import?java.util.ArrayList;004import?java.util.Arrays;005import?java.util.List;006?007import?org.eclipse.core.resources.ICommand;008import?org.eclipse.core.resources.IFolder;009import?org.eclipse.core.resources.IProject;010import?org.eclipse.core.resources.IProjectDescription;011import?org.eclipse.core.resources.IResource;012import?org.eclipse.core.resources.IWorkspace;013import?org.eclipse.core.resources.IWorkspaceRoot;014import?org.eclipse.core.resources.ResourcesPlugin;015import?org.eclipse.core.runtime.CoreException;016import?org.eclipse.core.runtime.IPath;017import?org.eclipse.core.runtime.NullProgressMonitor;018import?org.eclipse.core.runtime.Path;019import?org.eclipse.core.runtime.SubProgressMonitor;020import?org.eclipse.jdt.core.IClasspathEntry;021import?org.eclipse.jdt.core.IJavaProject;022import?org.eclipse.jdt.core.IPackageFragment;023import?org.eclipse.jdt.core.IPackageFragmentRoot;024import?org.eclipse.jdt.core.JavaCore;025import?org.eclipse.jdt.core.JavaModelException;026import?org.eclipse.jdt.ui.PreferenceConstants;027import?org.eclipse.jface.action.IAction;028import?org.eclipse.jface.viewers.ISelection;029import?org.eclipse.ui.IObjectActionDelegate;030import?org.eclipse.ui.IWorkbenchPart;031?032public?class?NewJavaProjectAction?implements?IObjectActionDelegate {033?034????public?void?run(IAction action) {035????????// 获取工作区036????????IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();037?038????????// ///////////////////////////////////创建新项目///////////////////////////039????????final?IProject project = root.getProject("xyz");040?????????041????????// 设置工程的位置042????????// 为项目指定存放路径,默认放在当前工作区043????????IPath projectPath =?new?Path("g:/myplugIn");044????????IWorkspace workspace = root.getWorkspace();045????????final?IProjectDescription description = workspace.newProjectDescription(project.getName());046????????description.setLocation(projectPath);047?048????????// 设置工程标记,即为java工程049????????String[] javaNature = description.getNatureIds();050????????String[] newJavaNature =?new?String[javaNature.length +?1];051????????System.arraycopy(javaNature,?0, newJavaNature,?0, javaNature.length);052????????newJavaNature[javaNature.length] =?"org.eclipse.jdt.core.javanature";?// 这个标记证明本工程是Java工程053????????description.setNatureIds(newJavaNature);054?055????????// /////////////////////////////056????????try?{057????????????NullProgressMonitor monitor =?new?NullProgressMonitor();058????????????project.create(description, monitor);059????????????project.open(IResource.BACKGROUND_REFRESH,?new?SubProgressMonitor(monitor,?1000));060????????}?catch?(CoreException e) {061????????????e.printStackTrace();062????????}063?064????????// 下面代码只在新建向导的情况下才可用065????????/*066?????????* //创建新项目,WorkspaceModifyOperation位于org.eclipse.ui.ide中067?????????* WorkspaceModifyOperation workspaceModifyOperation = new068?????????* WorkspaceModifyOperation() {069?????????*070?????????* @Override protected void execute(IProgressMonitor monitor) throws071?????????* CoreException, InvocationTargetException, InterruptedException { try072?????????* { monitor.beginTask("", ); project.create(description, monitor);073?????????*074?????????* if(monitor.isCanceled()){ throw new OperationCanceledException(); }075?????????*076?????????* project.open(IResource.BACKGROUND_REFRESH, new077?????????* SubProgressMonitor(monitor, )); } catch (Exception e) {078?????????* e.printStackTrace(); } finally{ monitor.done(); } } };079?????????* //接下来调用IWizard的getContainer().run()方法.080?????????*/081?082????????// 转化成java工程083????????IJavaProject javaProject = JavaCore.create(project);084????????// //////////////////////////////////添加JRE库////////////////////////////085????????try?{086????????????// 获取默认的JRE库087????????????IClasspathEntry[] jreLibrary = PreferenceConstants.getDefaultJRELibrary();088????????????// 获取原来的build path089????????????IClasspathEntry[] oldClasspathEntries = javaProject.getRawClasspath();090????????????List list =?new?ArrayList();091????????????list.addAll(Arrays.asList(jreLibrary));092????????????list.addAll(Arrays.asList(oldClasspathEntries));093?094????????????javaProject.setRawClasspath(list.toArray(new?IClasspathEntry[list.size()]),?null);095????????}?catch?(JavaModelException e) {096????????????e.printStackTrace();097????????}098?099????????// //////////////////////////////////创建输出路径/////////////////////////////100????????IFolder binFolder = javaProject.getProject().getFolder("bin");101????????try?{102????????????binFolder.create(true,?true,?null);103????????????javaProject.setOutputLocation(binFolder.getFullPath(),?null);104????????}?catch?(CoreException e) {105????????????e.printStackTrace();106????????}107?108????????// /////////////////////////设置Java生成器///////////////////////109????????try?{110????????????IProjectDescription description2 = javaProject.getProject().getDescription();111????????????ICommand command = description2.newCommand();112????????????command.setBuilderName("org.eclipse.jdt.core.javabuilder");113????????????description2.setBuildSpec(new?ICommand[] { command });114????????????description2.setNatureIds(new?String[] {?"org.eclipse.jdt.core.javanature"?});115????????????javaProject.getProject().setDescription(description2,?null);116????????}?catch?(CoreException e) {117????????????e.printStackTrace();118????????}119?120????????// /////////////////////////////创建源代码文件夹//////////////////////////121????????// ///////////源文件夹和文件夹相似,只是使用PackageFragmentRoot进行了封装////////122????????IFolder srcFolder = javaProject.getProject().getFolder("src");123????????try?{124????????????srcFolder.create(true,?true,?null);125????????????// this.createFolder(srcFolder);126????????????// 创建SourceLibrary127????????????IClasspathEntry srcClasspathEntry = JavaCore.newSourceEntry(srcFolder.getFullPath());128?129????????????// 得到旧的build path130????????????IClasspathEntry[] oldClasspathEntries = javaProject.readRawClasspath();131?132????????????// 添加新的133????????????List list =?new?ArrayList();134????????????list.addAll(Arrays.asList(oldClasspathEntries));135????????????list.add(srcClasspathEntry);136?137????????????// 原来存在一个与工程名相同的源文件夹,必须先删除138????????????IClasspathEntry temp = JavaCore.newSourceEntry(new?Path("/xyz"));139????????????if?(list.contains(temp)) {140????????????????list.remove(temp);141????????????}142?143????????????System.out.println(list.size());144?145????????????javaProject.setRawClasspath(list.toArray(new?IClasspathEntry[list.size()]),?null);146????????}?catch?(CoreException e) {147????????????e.printStackTrace();148????????}149?150????????// ///////////////////////////////创建包//////////////////////////151????????// IPackageFragmentRoot packageFragmentRoot = javaProject.getPackageFragmentRoot(javaProject.getResource());152????????//此处得到的src目录只读153?154????????try?{155????????????// 先找指定的源文件夹所在的IPackageFragmentRoot156????????????IPackageFragmentRoot packageFragmentRoot = javaProject.findPackageFragmentRoot(newPath("/xyz/src"));157????????????// 根据IPackageFragmentRoot创建IPackageFragment,IPackageFragment就是包了158????????????IPackageFragment packageFragment = packageFragmentRoot.createPackageFragment("com.aptech.plugin",?true,?null);159?160????????// //////////////////////////////////创建Java文件////////////////////////161????????????String javaCode =?"package com.aptech.plugin;public class HelloWorld{public static void main(String[] args){System.out.println("中华人民共和国");}}";162????????????packageFragment.createCompilationUnit("HelloWorld.java", javaCode,?true,?newNullProgressMonitor());163?164????????}?catch?(JavaModelException e) {165????????????e.printStackTrace();166????????}?catch?(Exception e) {167????????????e.printStackTrace();168????????}169????}170?171?172????public?void?setActivePart(IAction action, IWorkbenchPart targetPart) {173????}174?175?176????public?void?selectionChanged(IAction action, ISelection selection) {177????}178?179}
