代码创建java工程

package com.wisoft.magicube.codegenerator.popup.actions;

002

003	import java.util.ArrayList;

004	import java.util.Arrays;

005	import java.util.List;

006

007	import org.eclipse.core.resources.ICommand;

008	import org.eclipse.core.resources.IFolder;

009	import org.eclipse.core.resources.IProject;

010	import org.eclipse.core.resources.IProjectDescription;

011	import org.eclipse.core.resources.IResource;

012	import org.eclipse.core.resources.IWorkspace;

013	import org.eclipse.core.resources.IWorkspaceRoot;

014	import org.eclipse.core.resources.ResourcesPlugin;

015	import org.eclipse.core.runtime.CoreException;

016	import org.eclipse.core.runtime.IPath;

017	import org.eclipse.core.runtime.NullProgressMonitor;

018	import org.eclipse.core.runtime.Path;

019	import org.eclipse.core.runtime.SubProgressMonitor;

020	import org.eclipse.jdt.core.IClasspathEntry;

021	import org.eclipse.jdt.core.IJavaProject;

022	import org.eclipse.jdt.core.IPackageFragment;

023	import org.eclipse.jdt.core.IPackageFragmentRoot;

024	import org.eclipse.jdt.core.JavaCore;

025	import org.eclipse.jdt.core.JavaModelException;

026	import org.eclipse.jdt.ui.PreferenceConstants;

027	import org.eclipse.jface.action.IAction;

028	import org.eclipse.jface.viewers.ISelection;

029	import org.eclipse.ui.IObjectActionDelegate;

030	import org.eclipse.ui.IWorkbenchPart;

031

032	public 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 = new

068	* WorkspaceModifyOperation() {

069

*

070	* @Override protected void execute(IProgressMonitor monitor) throws

071	* CoreException, InvocationTargetException, InterruptedException { try

072	* { monitor.beginTask("", ); project.create(description, monitor);

073

*

074	* if(monitor.isCanceled()){ throw new OperationCanceledException(); }

075

*

076	* project.open(IResource.BACKGROUND_REFRESH, new

077	* 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 path

089	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SourceLibrary

127	IClasspathEntry srcClasspathEntry = JavaCore.newSourceEntry(srcFolder.getFullPath());

128

129	// 得到旧的build path

130	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IPackageFragmentRoot

156	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

}