plugins/org.eclipse.jst.j2ee/j2eecreation/org/eclipse/jst/j2ee/internal/project/J2EEProjectUtilities.java - gerrit/jeetools/webtools.javaee - Git at Google

 /***************************************************************************************************
  * Copyright (c) 2003, 2004 IBM Corporation and others. All rights reserved. This program and the
  * accompanying materials are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors: IBM Corporation - initial API and implementation
  **************************************************************************************************/
 package org.eclipse.jst.j2ee.internal.project;


 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

 import org.eclipse.core.resources.IContainer;
 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.NullProgressMonitor;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.jdt.core.IClasspathEntry;
 import org.eclipse.jdt.core.ICompilationUnit;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jem.java.JavaClass;
 import org.eclipse.jem.java.JavaRefFactory;
 import org.eclipse.jem.util.emf.workbench.ProjectUtilities;
 import org.eclipse.jem.util.emf.workbench.WorkbenchByteArrayOutputStream;
 import org.eclipse.jem.util.logger.proxy.Logger;
 import org.eclipse.jem.util.plugin.JEMUtilPlugin;
 import org.eclipse.jem.workbench.utility.JemProjectUtilities;
 import org.eclipse.jst.common.componentcore.util.ComponentUtilities;
 import org.eclipse.jst.j2ee.commonarchivecore.internal.Archive;
 import org.eclipse.jst.j2ee.commonarchivecore.internal.EARFile;
 import org.eclipse.jst.j2ee.commonarchivecore.internal.EJBJarFile;
 import org.eclipse.jst.j2ee.commonarchivecore.internal.File;
 import org.eclipse.jst.j2ee.commonarchivecore.internal.exception.OpenFailureException;
 import org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveManifest;
 import org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveManifestImpl;
 import org.eclipse.jst.j2ee.commonarchivecore.internal.impl.CommonarchiveFactoryImpl;
 import org.eclipse.jst.j2ee.commonarchivecore.internal.util.ArchiveUtil;
 import org.eclipse.jst.j2ee.ejb.EJBJar;
 import org.eclipse.jst.j2ee.ejb.EnterpriseBean;
 import org.eclipse.jst.j2ee.internal.J2EEConstants;
 import org.eclipse.jst.j2ee.internal.archive.operations.JavaComponentLoadStrategyImpl;
 import org.eclipse.jst.j2ee.internal.moduleextension.EarModuleManager;
 import org.eclipse.jst.j2ee.project.facet.IJavaProjectMigrationDataModelProperties;
 import org.eclipse.jst.j2ee.project.facet.JavaProjectMigrationDataModelProvider;
 import org.eclipse.jst.j2ee.project.facet.JavaProjectMigrationOperation;
 import org.eclipse.wst.common.componentcore.ComponentCore;
 import org.eclipse.wst.common.componentcore.internal.util.IModuleConstants;
 import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
 import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
 import org.eclipse.wst.common.project.facet.core.IFacetedProject;
 import org.eclipse.wst.common.project.facet.core.IProjectFacet;
 import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager;


 public class J2EEProjectUtilities extends ProjectUtilities {

 	public static final String ENTERPRISE_APPLICATION = IModuleConstants.JST_EAR_MODULE;
 	public static final String APPLICATION_CLIENT = IModuleConstants.JST_APPCLIENT_MODULE;
 	public static final String EJB = IModuleConstants.JST_EJB_MODULE;
 	public static final String DYNAMIC_WEB = IModuleConstants.JST_WEB_MODULE;
 	public static final String UTILITY = IModuleConstants.JST_UTILITY_MODULE;
 	public static final String JCA = IModuleConstants.JST_CONNECTOR_MODULE;
 	public static final String STATIC_WEB = IModuleConstants.WST_WEB_MODULE;

 	/**
 	 * Return the absolute path of a loose archive in a J2EE application or WAR file
 	 */
 	public static IPath getRuntimeLocation(IProject aProject) {
 		if (JemProjectUtilities.isBinaryProject(aProject))
 			return getBinaryProjectJARLocation(aProject);
 		return JemProjectUtilities.getJavaProjectOutputAbsoluteLocation(aProject);
 	}

 	public static IPath getBinaryProjectJARLocation(IProject aProject) {
 		List sources = JemProjectUtilities.getLocalJARPathsFromClasspath(aProject);
 		if (!sources.isEmpty()) {
 			IPath path = (IPath) sources.get(0);
 			return aProject.getFile(path).getLocation();
 		}
 		return null;
 	}

 	public static Archive getClientJAR(EJBJarFile file, EARFile earFile) {
 		EJBJar jar = file.getDeploymentDescriptor();
 		if (jar == null)
 			return null;
 		String clientJAR = jar.getEjbClientJar();
 		if (clientJAR == null || clientJAR.length() == 0)
 			return null;
 		String normalized = ArchiveUtil.deriveEARRelativeURI(clientJAR, file.getURI());
 		if (normalized != null) {
 			try {
 				File aFile = earFile.getFile(normalized);
 				if (aFile.isArchive() && !aFile.isModuleFile())
 					return (Archive) aFile;
 			} catch (FileNotFoundException nothingThere) {
 			}
 		}
 		return null;
 		// TODO - release the DD here to free up space
 	}

 	/**
 	 * Append one IClasspathEntry to the build path of the passed project. If a classpath entry
 	 * having the same path as the parameter already exists, then does nothing.
 	 */
 	public static void appendJavaClassPath(IProject p, IClasspathEntry newEntry) throws JavaModelException {
 		IJavaProject javaProject = JemProjectUtilities.getJavaProject(p);
 		if (javaProject == null)
 			return;
 		IClasspathEntry[] classpath = javaProject.getRawClasspath();
 		List newPathList = new ArrayList(classpath.length);
 		for (int i = 0; i < classpath.length; i++) {
 			IClasspathEntry entry = classpath[i];
 			// fix dup class path entry for .JETEmitter project
 			// Skip the entry to be added if it already exists
 			if (Platform.getOS().equals(Platform.OS_WIN32)) {
 				if (!entry.getPath().toString().equalsIgnoreCase(newEntry.getPath().toString()))
 					newPathList.add(entry);
 				else
 					return;
 			} else {
 				if (!entry.getPath().equals(newEntry.getPath()))
 					newPathList.add(entry);
 				else
 					return;
 			}
 		}
 		newPathList.add(newEntry);
 		IClasspathEntry[] newClasspath = (IClasspathEntry[]) newPathList.toArray(new IClasspathEntry[newPathList.size()]);
 		javaProject.setRawClasspath(newClasspath, new NullProgressMonitor());
 	}


 	public static Archive asArchiveFromBinary(String jarUri, IProject aProject) throws OpenFailureException {
 		IPath path = getBinaryProjectJARLocation(aProject);
 		if (path != null) {
 			String location = path.toOSString();
 			Archive anArchive = CommonarchiveFactoryImpl.getActiveFactory().primOpenArchive(location);
 			anArchive.setURI(jarUri);
 			return anArchive;
 		}
 		return null;
 	}

 	public static ArchiveManifest readManifest(IFile aFile) {
 		InputStream in = null;
 		try {
 			if (aFile == null || !aFile.exists())
 				return null;
 			in = aFile.getContents();
 			return new ArchiveManifestImpl(in);
 		} catch (Exception ex) {
 			org.eclipse.jem.util.logger.proxy.Logger.getLogger().logError(ex);
 			return null;
 		} finally {
 			if (in != null) {
 				try {
 					in.close();
 				} catch (IOException weTried) {
 				}
 			}
 		}
 	}

 	public static ArchiveManifest readManifest(IProject p) {
 		InputStream in = null;
 		try {
 			IFile aFile = getManifestFile(p);
 			if (aFile == null || !aFile.exists())
 				return null;
 			in = aFile.getContents();
 			return new ArchiveManifestImpl(in);
 		} catch (Exception ex) {
 			org.eclipse.jem.util.logger.proxy.Logger.getLogger().logError(ex);
 			return null;
 		} finally {
 			if (in != null) {
 				try {
 					in.close();
 				} catch (IOException weTried) {
 				}
 			}
 		}
 	}

 	public static IFile getManifestFile(IProject p) {
 		IVirtualComponent component = ComponentCore.createComponent(p);
 		try {
 			return ComponentUtilities.findFile(component, new Path(J2EEConstants.MANIFEST_URI));
 		} catch (CoreException ce) {
 			Logger.getLogger().log(ce);
 		}
 		return null;
 	}

 	public static void writeManifest(IProject p, ArchiveManifest manifest) throws java.io.IOException {

 		IFile aFile = getManifestFile(p);
 		if (aFile != null) {
 			OutputStream out = new WorkbenchByteArrayOutputStream(aFile);
 			manifest.writeSplittingClasspath(out);
 			out.close();
 		}
 	}

 	public static void writeManifest(IFile aFile, ArchiveManifest manifest) throws java.io.IOException {
 		if (aFile != null) {
 			OutputStream out = new WorkbenchByteArrayOutputStream(aFile);
 			manifest.writeSplittingClasspath(out);
 			out.close();
 		}
 	}

 	/**
 	 * Keys are the EJB JAR files and the values are the respective client JARs; includes only key
 	 * value pairs for which EJB Client JARs are defined and exist.
 	 *
 	 * @author schacher
 	 */
 	public static Map collectEJBClientJARs(EARFile earFile) {
 		if (earFile == null)
 			return Collections.EMPTY_MAP;
 		Map ejbClientJARs = null;
 		List ejbJARFiles = earFile.getEJBJarFiles();
 		Archive clientJAR = null;
 		for (int i = 0; i < ejbJARFiles.size(); i++) {
 			EJBJarFile ejbJarFile = (EJBJarFile) ejbJARFiles.get(i);
 			clientJAR = getClientJAR(ejbJarFile, earFile);
 			if (clientJAR != null) {
 				if (ejbClientJARs == null)
 					ejbClientJARs = new HashMap();
 				ejbClientJARs.put(ejbJarFile, clientJAR);
 			}
 		}
 		return ejbClientJARs == null ? Collections.EMPTY_MAP : ejbClientJARs;
 	}

 	public static String computeRelativeText(String referencingURI, String referencedURI, EnterpriseBean bean) {
 		if (bean == null)
 			return null;

 		String beanName = bean.getName();
 		if (beanName == null)
 			return null;

 		String relativeUri = computeRelativeText(referencingURI, referencedURI);
 		if (relativeUri == null)
 			return beanName;
 		return relativeUri + "#" + beanName; //$NON-NLS-1$
 	}

 	public static String computeRelativeText(String referencingURI, String referencedURI) {
 		if (referencingURI == null || referencedURI == null)
 			return null;
 		IPath pPre = new Path(referencingURI);
 		IPath pDep = new Path(referencedURI);
 		if (pPre.getDevice() != null || pDep.getDevice() != null)
 			return null;
 		pPre = pPre.makeRelative();
 		pDep = pDep.makeRelative(); // referenced Archive path URI

 		while (pPre.segmentCount() > 1 && pDep.segmentCount() > 1 && pPre.segment(0).equals(pDep.segment(0))) {
 			pPre = pPre.removeFirstSegments(1);
 			pDep = pDep.removeFirstSegments(1);
 		}

 		IPath result = null; //$NON-NLS-1$
 		StringBuffer buf = new StringBuffer();
 		String segment = null;
 		do {
 			segment = pDep.lastSegment();
 			pPre = pPre.removeLastSegments(1);
 			pDep = pDep.removeLastSegments(1);
 			if (segment != null) {
 				if (result == null)
 					result = new Path(segment);
 				else
 					result = new Path(segment).append(result);
 			}
 			if (!pPre.equals(pDep) && !pPre.isEmpty())
 				buf.append("../"); //$NON-NLS-1$
 		} while (!pPre.equals(pDep));

 		if (result != null)
 			buf.append(result.makeRelative().toString());

 		return buf.toString();
 	}

 	public static IProject getEJBProjectFromEJBClientProject(IProject ejbClientProject) {
 		try {
 			if (null != ejbClientProject && ejbClientProject.hasNature(JavaCore.NATURE_ID)) {
 				IProject[] allProjects = getAllProjects();
 				for (int i = 0; i < allProjects.length; i++) {
 					if (null != EarModuleManager.getEJBModuleExtension().getEJBJar(allProjects[i])) {
 						if (ejbClientProject == EarModuleManager.getEJBModuleExtension().getDefinedEJBClientJARProject(allProjects[i])) {
 							return allProjects[i];
 						}
 					}
 				}
 			}
 		} catch (CoreException e) {
 		}
 		return null;
 	}

 	public static EnterpriseBean getEnterpriseBean(ICompilationUnit cu) {
 		IProject proj = cu.getJavaProject().getProject();
 		EJBJar jar = EarModuleManager.getEJBModuleExtension().getEJBJar(proj);
 		if (null == jar) {
 			jar = EarModuleManager.getEJBModuleExtension().getEJBJar(getEJBProjectFromEJBClientProject(proj));
 		}
 		if (jar != null) {
 			int index = cu.getElementName().indexOf('.');
 			String className = cu.getElementName();
 			if (index > 0)
 				className = className.substring(0, index);
 			JavaClass javaClass = (JavaClass) JavaRefFactory.eINSTANCE.reflectType(cu.getParent().getElementName(), className, jar.eResource().getResourceSet());
 			return jar.getEnterpriseBeanWithReference(javaClass);
 		}
 		return null;
 	}

 	public static IContainer getSourceFolderOrFirst(IProject p, String defaultSourceName) {
 		try {
 			IPath sourcePath = getSourcePathOrFirst(p, defaultSourceName);
 			if (sourcePath == null)
 				return null;
 			else if (sourcePath.isEmpty())
 				return p;
 			else
 				return p.getFolder(sourcePath);
 		} catch (IllegalArgumentException ex) {
 			return null;
 		}
 	}

 	public static IPath getSourcePathOrFirst(IProject p, String defaultSourceName) {
 		IJavaProject javaProj = JemProjectUtilities.getJavaProject(p);
 		if (javaProj == null)
 			return null;
 		IClasspathEntry[] cp = null;
 		try {
 			cp = javaProj.getRawClasspath();
 		} catch (JavaModelException ex) {
 			JEMUtilPlugin.getLogger().logError(ex);
 			return null;
 		}
 		IClasspathEntry firstSource = null;
 		IPath defaultSourcePath = null;
 		if (defaultSourceName != null)
 			defaultSourcePath = createPath(p, defaultSourceName);
 		boolean found = false;
 		for (int i = 0; i < cp.length; i++) {
 			if (cp[i].getEntryKind() == IClasspathEntry.CPE_SOURCE) {
 				// check if it contains /META-INF/MANIFEST.MF
 				IPath sourceFolderPath = cp[i].getPath().removeFirstSegments(1);
 				IFolder sourceFolder = p.getFolder(sourceFolderPath);
 				if (isSourceFolderAnInputContainer(sourceFolder)) {
 					found = true;
 					if (firstSource == null) {
 						firstSource = cp[i];
 						if (defaultSourcePath == null)
 							break;
 					}
 					if (cp[i].getPath().equals(defaultSourcePath))
 						return defaultSourcePath.removeFirstSegments(1);
 				}
 			}
 		}
 		if (!found) {
 			for (int i = 0; i < cp.length; i++) {
 				if (cp[i].getEntryKind() == IClasspathEntry.CPE_SOURCE) {
 					if (firstSource == null) {
 						firstSource = cp[i];
 						if (defaultSourcePath == null)
 							break;
 					}
 					if (cp[i].getPath().equals(defaultSourcePath))
 						return defaultSourcePath.removeFirstSegments(1);
 				}
 			}
 		}
 		if (firstSource == null)
 			return null;
 		if (firstSource.getPath().segment(0).equals(p.getName()))
 			return firstSource.getPath().removeFirstSegments(1);
 		return null;
 	}

 	public static boolean isSourceFolderAnInputContainer(IFolder sourceFolder) {
 		IContainer parent = sourceFolder;
 		while (true) {
 			parent = parent.getParent();
 			if (parent == null)
 				return false;
 			if (parent instanceof IProject)
 				break;
 		}
 		IProject project = (IProject) parent;
 		try {
 			if (!project.isAccessible())
 				return false;
 			if (isEJBProject(project)) {
 				return sourceFolder.findMember(J2EEConstants.EJBJAR_DD_URI) != null;
 			} else if (isApplicationClientProject(project)) {
 				return sourceFolder.findMember(J2EEConstants.APP_CLIENT_DD_URI) != null;
 			} else if (isDynamicWebProject(project)) {
 				return sourceFolder.findMember(J2EEConstants.WEBAPP_DD_URI) != null;
 			} else if (isJCAProject(project)) {
 				return sourceFolder.findMember(J2EEConstants.RAR_DD_URI) != null;
 			}
 		} catch (Exception e) {
 			e.printStackTrace();
 		}
 		return false;
 	}

 	public static Archive asArchive(String jarUri, IProject project, boolean exportSource) throws OpenFailureException {
 		JavaComponentLoadStrategyImpl strat = new JavaComponentLoadStrategyImpl(ComponentCore.createComponent(project));
 		strat.setExportSource(exportSource);
 		return CommonarchiveFactoryImpl.getActiveFactory().primOpenArchive(strat, jarUri);
 	}

 	public static boolean isProjectOfType(IProject project, String typeID) {
 		IFacetedProject facetedProject = null;
 		try {
 			facetedProject = ProjectFacetsManager.create(project);
 		} catch (CoreException e) {
 			return false;
 		}

 		if (facetedProject !=null && ProjectFacetsManager.isProjectFacetDefined(typeID)) {
 			IProjectFacet projectFacet = ProjectFacetsManager.getProjectFacet(typeID);
 			return projectFacet!=null && facetedProject.hasProjectFacet(projectFacet);
 		}
 		return false;
 	}

 	public static boolean isEARProject(IProject project) {
 		return isProjectOfType(project, ENTERPRISE_APPLICATION);
 	}

 	public static boolean isDynamicWebProject(IProject project) {
 		return isProjectOfType(project, DYNAMIC_WEB);
 	}

 	public static boolean isStaticWebProject(IProject project) {
 		return isProjectOfType(project, STATIC_WEB);
 	}

 	public static boolean isEJBProject(IProject project) {
 		return isProjectOfType(project, EJB);
 	}

 	public static boolean isJCAProject(IProject project) {
 		return isProjectOfType(project, JCA);
 	}

 	public static boolean isApplicationClientProject(IProject project) {
 		return isProjectOfType(project, APPLICATION_CLIENT);
 	}

 	public static boolean isUtilityProject(IProject project) {
 		return isProjectOfType(project, UTILITY);
 	}

 	public static boolean isStandaloneProject(IProject project) {
 		return getReferencingEARProjects(project).length==0;
 	}

 	public static IProject[] getReferencingEARProjects(IProject project) {
 		List result = new ArrayList();
 		IVirtualComponent component = ComponentCore.createComponent(project);
 		IVirtualComponent[] refComponents = component.getReferencingComponents();
 		for (int i=0; i<refComponents.length; i++) {
 			if (isEARProject(refComponents[i].getProject()))
 				result.add(refComponents[i].getProject());
 		}
 		return (IProject[]) result.toArray(new IProject[result.size()]);
 	}

 	/**
 	 * Return all projects in workspace of the specified type
 	 * @param type - use one of the static strings on this class as a type
 	 * @return IProject[]
 	 */
 	public static IProject[] getAllProjectsInWorkspaceOfType(String type) {
 		IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
 		List result = new ArrayList();
 		for (int i = 0; i < projects.length; i++) {
 			if (isProjectOfType(projects[i],type))
 				result.add(projects[i]);
 		}
 		return (IProject[]) result.toArray(new IProject[result.size()]);
 	}

 	public static String getJ2EEProjectType(IProject project) {
 		if (isApplicationClientProject(project))
 			return APPLICATION_CLIENT;
 		else if (isDynamicWebProject(project))
 			return DYNAMIC_WEB;
 		else if (isEJBProject(project))
 			return EJB;
 		else if (isEARProject(project))
 			return ENTERPRISE_APPLICATION;
 		else if (isJCAProject(project))
 			return JCA;
 		else if (isStaticWebProject(project))
 			return STATIC_WEB;
 		else if (isUtilityProject(project))
 			return UTILITY;
 		else
 			return ""; //$NON-NLS-1$
 	}
 	public static String getJ2EEProjectVersion(IProject project) {
 		String type = getJ2EEProjectType(project);
 		IFacetedProject facetedProject = null;
 		IProjectFacet facet = null;
 		try {
 		facetedProject = ProjectFacetsManager.create(project);
 		facet = ProjectFacetsManager.getProjectFacet(type);
 		} catch (Exception e) {
 			// Not Faceted project or not J2EE Project
 		}
 		if (facet != null && facetedProject.hasProjectFacet(facet))
 			return facetedProject.getInstalledVersion(facet).getVersionString();
 		return null;
 	}
 	public static JavaProjectMigrationOperation createFlexJavaProjectForProjectOperation(IProject project) {
 	IDataModel model = DataModelFactory.createDataModel(new JavaProjectMigrationDataModelProvider());
 	model.setProperty(IJavaProjectMigrationDataModelProperties.PROJECT_NAME, project.getName());
 	return new JavaProjectMigrationOperation(model);
 }
 }
	/***************************************************************************************************
	* Copyright (c) 2003, 2004 IBM Corporation and others. All rights reserved. This program and the
	* accompanying materials are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors: IBM Corporation - initial API and implementation
	**************************************************************************************************/
	package org.eclipse.jst.j2ee.internal.project;


	import java.io.FileNotFoundException;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.OutputStream;
	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;

	import org.eclipse.core.resources.IContainer;
	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.NullProgressMonitor;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.jdt.core.IClasspathEntry;
	import org.eclipse.jdt.core.ICompilationUnit;
	import org.eclipse.jdt.core.IJavaProject;
	import org.eclipse.jdt.core.JavaCore;
	import org.eclipse.jdt.core.JavaModelException;
	import org.eclipse.jem.java.JavaClass;
	import org.eclipse.jem.java.JavaRefFactory;
	import org.eclipse.jem.util.emf.workbench.ProjectUtilities;
	import org.eclipse.jem.util.emf.workbench.WorkbenchByteArrayOutputStream;
	import org.eclipse.jem.util.logger.proxy.Logger;
	import org.eclipse.jem.util.plugin.JEMUtilPlugin;
	import org.eclipse.jem.workbench.utility.JemProjectUtilities;
	import org.eclipse.jst.common.componentcore.util.ComponentUtilities;
	import org.eclipse.jst.j2ee.commonarchivecore.internal.Archive;
	import org.eclipse.jst.j2ee.commonarchivecore.internal.EARFile;
	import org.eclipse.jst.j2ee.commonarchivecore.internal.EJBJarFile;
	import org.eclipse.jst.j2ee.commonarchivecore.internal.File;
	import org.eclipse.jst.j2ee.commonarchivecore.internal.exception.OpenFailureException;
	import org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveManifest;
	import org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveManifestImpl;
	import org.eclipse.jst.j2ee.commonarchivecore.internal.impl.CommonarchiveFactoryImpl;
	import org.eclipse.jst.j2ee.commonarchivecore.internal.util.ArchiveUtil;
	import org.eclipse.jst.j2ee.ejb.EJBJar;
	import org.eclipse.jst.j2ee.ejb.EnterpriseBean;
	import org.eclipse.jst.j2ee.internal.J2EEConstants;
	import org.eclipse.jst.j2ee.internal.archive.operations.JavaComponentLoadStrategyImpl;
	import org.eclipse.jst.j2ee.internal.moduleextension.EarModuleManager;
	import org.eclipse.jst.j2ee.project.facet.IJavaProjectMigrationDataModelProperties;
	import org.eclipse.jst.j2ee.project.facet.JavaProjectMigrationDataModelProvider;
	import org.eclipse.jst.j2ee.project.facet.JavaProjectMigrationOperation;
	import org.eclipse.wst.common.componentcore.ComponentCore;
	import org.eclipse.wst.common.componentcore.internal.util.IModuleConstants;
	import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
	import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
	import org.eclipse.wst.common.project.facet.core.IFacetedProject;
	import org.eclipse.wst.common.project.facet.core.IProjectFacet;
	import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager;



	public class J2EEProjectUtilities extends ProjectUtilities {

	public static final String ENTERPRISE_APPLICATION = IModuleConstants.JST_EAR_MODULE;
	public static final String APPLICATION_CLIENT = IModuleConstants.JST_APPCLIENT_MODULE;
	public static final String EJB = IModuleConstants.JST_EJB_MODULE;
	public static final String DYNAMIC_WEB = IModuleConstants.JST_WEB_MODULE;
	public static final String UTILITY = IModuleConstants.JST_UTILITY_MODULE;
	public static final String JCA = IModuleConstants.JST_CONNECTOR_MODULE;
	public static final String STATIC_WEB = IModuleConstants.WST_WEB_MODULE;

	/**
	* Return the absolute path of a loose archive in a J2EE application or WAR file
	*/
	public static IPath getRuntimeLocation(IProject aProject) {
	if (JemProjectUtilities.isBinaryProject(aProject))
	return getBinaryProjectJARLocation(aProject);
	return JemProjectUtilities.getJavaProjectOutputAbsoluteLocation(aProject);
	}

	public static IPath getBinaryProjectJARLocation(IProject aProject) {
	List sources = JemProjectUtilities.getLocalJARPathsFromClasspath(aProject);
	if (!sources.isEmpty()) {
	IPath path = (IPath) sources.get(0);
	return aProject.getFile(path).getLocation();
	}
	return null;
	}

	public static Archive getClientJAR(EJBJarFile file, EARFile earFile) {
	EJBJar jar = file.getDeploymentDescriptor();
	if (jar == null)
	return null;
	String clientJAR = jar.getEjbClientJar();
	if (clientJAR == null \|\| clientJAR.length() == 0)
	return null;
	String normalized = ArchiveUtil.deriveEARRelativeURI(clientJAR, file.getURI());
	if (normalized != null) {
	try {
	File aFile = earFile.getFile(normalized);
	if (aFile.isArchive() && !aFile.isModuleFile())
	return (Archive) aFile;
	} catch (FileNotFoundException nothingThere) {
	}
	}
	return null;
	// TODO - release the DD here to free up space
	}

	/**
	* Append one IClasspathEntry to the build path of the passed project. If a classpath entry
	* having the same path as the parameter already exists, then does nothing.
	*/
	public static void appendJavaClassPath(IProject p, IClasspathEntry newEntry) throws JavaModelException {
	IJavaProject javaProject = JemProjectUtilities.getJavaProject(p);
	if (javaProject == null)
	return;
	IClasspathEntry[] classpath = javaProject.getRawClasspath();
	List newPathList = new ArrayList(classpath.length);
	for (int i = 0; i < classpath.length; i++) {
	IClasspathEntry entry = classpath[i];
	// fix dup class path entry for .JETEmitter project
	// Skip the entry to be added if it already exists
	if (Platform.getOS().equals(Platform.OS_WIN32)) {
	if (!entry.getPath().toString().equalsIgnoreCase(newEntry.getPath().toString()))
	newPathList.add(entry);
	else
	return;
	} else {
	if (!entry.getPath().equals(newEntry.getPath()))
	newPathList.add(entry);
	else
	return;
	}
	}
	newPathList.add(newEntry);
	IClasspathEntry[] newClasspath = (IClasspathEntry[]) newPathList.toArray(new IClasspathEntry[newPathList.size()]);
	javaProject.setRawClasspath(newClasspath, new NullProgressMonitor());
	}


	public static Archive asArchiveFromBinary(String jarUri, IProject aProject) throws OpenFailureException {
	IPath path = getBinaryProjectJARLocation(aProject);
	if (path != null) {
	String location = path.toOSString();
	Archive anArchive = CommonarchiveFactoryImpl.getActiveFactory().primOpenArchive(location);
	anArchive.setURI(jarUri);
	return anArchive;
	}
	return null;
	}

	public static ArchiveManifest readManifest(IFile aFile) {
	InputStream in = null;
	try {
	if (aFile == null \|\| !aFile.exists())
	return null;
	in = aFile.getContents();
	return new ArchiveManifestImpl(in);
	} catch (Exception ex) {
	org.eclipse.jem.util.logger.proxy.Logger.getLogger().logError(ex);
	return null;
	} finally {
	if (in != null) {
	try {
	in.close();
	} catch (IOException weTried) {
	}
	}
	}
	}

	public static ArchiveManifest readManifest(IProject p) {
	InputStream in = null;
	try {
	IFile aFile = getManifestFile(p);
	if (aFile == null \|\| !aFile.exists())
	return null;
	in = aFile.getContents();
	return new ArchiveManifestImpl(in);
	} catch (Exception ex) {
	org.eclipse.jem.util.logger.proxy.Logger.getLogger().logError(ex);
	return null;
	} finally {
	if (in != null) {
	try {
	in.close();
	} catch (IOException weTried) {
	}
	}
	}
	}

	public static IFile getManifestFile(IProject p) {
	IVirtualComponent component = ComponentCore.createComponent(p);
	try {
	return ComponentUtilities.findFile(component, new Path(J2EEConstants.MANIFEST_URI));
	} catch (CoreException ce) {
	Logger.getLogger().log(ce);
	}
	return null;
	}

	public static void writeManifest(IProject p, ArchiveManifest manifest) throws java.io.IOException {

	IFile aFile = getManifestFile(p);
	if (aFile != null) {
	OutputStream out = new WorkbenchByteArrayOutputStream(aFile);
	manifest.writeSplittingClasspath(out);
	out.close();
	}
	}

	public static void writeManifest(IFile aFile, ArchiveManifest manifest) throws java.io.IOException {
	if (aFile != null) {
	OutputStream out = new WorkbenchByteArrayOutputStream(aFile);
	manifest.writeSplittingClasspath(out);
	out.close();
	}
	}

	/**
	* Keys are the EJB JAR files and the values are the respective client JARs; includes only key
	* value pairs for which EJB Client JARs are defined and exist.
	*
	* @author schacher
	*/
	public static Map collectEJBClientJARs(EARFile earFile) {
	if (earFile == null)
	return Collections.EMPTY_MAP;
	Map ejbClientJARs = null;
	List ejbJARFiles = earFile.getEJBJarFiles();
	Archive clientJAR = null;
	for (int i = 0; i < ejbJARFiles.size(); i++) {
	EJBJarFile ejbJarFile = (EJBJarFile) ejbJARFiles.get(i);
	clientJAR = getClientJAR(ejbJarFile, earFile);
	if (clientJAR != null) {
	if (ejbClientJARs == null)
	ejbClientJARs = new HashMap();
	ejbClientJARs.put(ejbJarFile, clientJAR);
	}
	}
	return ejbClientJARs == null ? Collections.EMPTY_MAP : ejbClientJARs;
	}

	public static String computeRelativeText(String referencingURI, String referencedURI, EnterpriseBean bean) {
	if (bean == null)
	return null;

	String beanName = bean.getName();
	if (beanName == null)
	return null;

	String relativeUri = computeRelativeText(referencingURI, referencedURI);
	if (relativeUri == null)
	return beanName;
	return relativeUri + "#" + beanName; //$NON-NLS-1$
	}

	public static String computeRelativeText(String referencingURI, String referencedURI) {
	if (referencingURI == null \|\| referencedURI == null)
	return null;
	IPath pPre = new Path(referencingURI);
	IPath pDep = new Path(referencedURI);
	if (pPre.getDevice() != null \|\| pDep.getDevice() != null)
	return null;
	pPre = pPre.makeRelative();
	pDep = pDep.makeRelative(); // referenced Archive path URI

	while (pPre.segmentCount() > 1 && pDep.segmentCount() > 1 && pPre.segment(0).equals(pDep.segment(0))) {
	pPre = pPre.removeFirstSegments(1);
	pDep = pDep.removeFirstSegments(1);
	}

	IPath result = null; //$NON-NLS-1$
	StringBuffer buf = new StringBuffer();
	String segment = null;
	do {
	segment = pDep.lastSegment();
	pPre = pPre.removeLastSegments(1);
	pDep = pDep.removeLastSegments(1);
	if (segment != null) {
	if (result == null)
	result = new Path(segment);
	else
	result = new Path(segment).append(result);
	}
	if (!pPre.equals(pDep) && !pPre.isEmpty())
	buf.append("../"); //$NON-NLS-1$
	} while (!pPre.equals(pDep));

	if (result != null)
	buf.append(result.makeRelative().toString());

	return buf.toString();
	}

	public static IProject getEJBProjectFromEJBClientProject(IProject ejbClientProject) {
	try {
	if (null != ejbClientProject && ejbClientProject.hasNature(JavaCore.NATURE_ID)) {
	IProject[] allProjects = getAllProjects();
	for (int i = 0; i < allProjects.length; i++) {
	if (null != EarModuleManager.getEJBModuleExtension().getEJBJar(allProjects[i])) {
	if (ejbClientProject == EarModuleManager.getEJBModuleExtension().getDefinedEJBClientJARProject(allProjects[i])) {
	return allProjects[i];
	}
	}
	}
	}
	} catch (CoreException e) {
	}
	return null;
	}

	public static EnterpriseBean getEnterpriseBean(ICompilationUnit cu) {
	IProject proj = cu.getJavaProject().getProject();
	EJBJar jar = EarModuleManager.getEJBModuleExtension().getEJBJar(proj);
	if (null == jar) {
	jar = EarModuleManager.getEJBModuleExtension().getEJBJar(getEJBProjectFromEJBClientProject(proj));
	}
	if (jar != null) {
	int index = cu.getElementName().indexOf('.');
	String className = cu.getElementName();
	if (index > 0)
	className = className.substring(0, index);
	JavaClass javaClass = (JavaClass) JavaRefFactory.eINSTANCE.reflectType(cu.getParent().getElementName(), className, jar.eResource().getResourceSet());
	return jar.getEnterpriseBeanWithReference(javaClass);
	}
	return null;
	}

	public static IContainer getSourceFolderOrFirst(IProject p, String defaultSourceName) {
	try {
	IPath sourcePath = getSourcePathOrFirst(p, defaultSourceName);
	if (sourcePath == null)
	return null;
	else if (sourcePath.isEmpty())
	return p;
	else
	return p.getFolder(sourcePath);
	} catch (IllegalArgumentException ex) {
	return null;
	}
	}

	public static IPath getSourcePathOrFirst(IProject p, String defaultSourceName) {
	IJavaProject javaProj = JemProjectUtilities.getJavaProject(p);
	if (javaProj == null)
	return null;
	IClasspathEntry[] cp = null;
	try {
	cp = javaProj.getRawClasspath();
	} catch (JavaModelException ex) {
	JEMUtilPlugin.getLogger().logError(ex);
	return null;
	}
	IClasspathEntry firstSource = null;
	IPath defaultSourcePath = null;
	if (defaultSourceName != null)
	defaultSourcePath = createPath(p, defaultSourceName);
	boolean found = false;
	for (int i = 0; i < cp.length; i++) {
	if (cp[i].getEntryKind() == IClasspathEntry.CPE_SOURCE) {
	// check if it contains /META-INF/MANIFEST.MF
	IPath sourceFolderPath = cp[i].getPath().removeFirstSegments(1);
	IFolder sourceFolder = p.getFolder(sourceFolderPath);
	if (isSourceFolderAnInputContainer(sourceFolder)) {
	found = true;
	if (firstSource == null) {
	firstSource = cp[i];
	if (defaultSourcePath == null)
	break;
	}
	if (cp[i].getPath().equals(defaultSourcePath))
	return defaultSourcePath.removeFirstSegments(1);
	}
	}
	}
	if (!found) {
	for (int i = 0; i < cp.length; i++) {
	if (cp[i].getEntryKind() == IClasspathEntry.CPE_SOURCE) {
	if (firstSource == null) {
	firstSource = cp[i];
	if (defaultSourcePath == null)
	break;
	}
	if (cp[i].getPath().equals(defaultSourcePath))
	return defaultSourcePath.removeFirstSegments(1);
	}
	}
	}
	if (firstSource == null)
	return null;
	if (firstSource.getPath().segment(0).equals(p.getName()))
	return firstSource.getPath().removeFirstSegments(1);
	return null;
	}

	public static boolean isSourceFolderAnInputContainer(IFolder sourceFolder) {
	IContainer parent = sourceFolder;
	while (true) {
	parent = parent.getParent();
	if (parent == null)
	return false;
	if (parent instanceof IProject)
	break;
	}
	IProject project = (IProject) parent;
	try {
	if (!project.isAccessible())
	return false;
	if (isEJBProject(project)) {
	return sourceFolder.findMember(J2EEConstants.EJBJAR_DD_URI) != null;
	} else if (isApplicationClientProject(project)) {
	return sourceFolder.findMember(J2EEConstants.APP_CLIENT_DD_URI) != null;
	} else if (isDynamicWebProject(project)) {
	return sourceFolder.findMember(J2EEConstants.WEBAPP_DD_URI) != null;
	} else if (isJCAProject(project)) {
	return sourceFolder.findMember(J2EEConstants.RAR_DD_URI) != null;
	}
	} catch (Exception e) {
	e.printStackTrace();
	}
	return false;
	}

	public static Archive asArchive(String jarUri, IProject project, boolean exportSource) throws OpenFailureException {
	JavaComponentLoadStrategyImpl strat = new JavaComponentLoadStrategyImpl(ComponentCore.createComponent(project));
	strat.setExportSource(exportSource);
	return CommonarchiveFactoryImpl.getActiveFactory().primOpenArchive(strat, jarUri);
	}

	public static boolean isProjectOfType(IProject project, String typeID) {
	IFacetedProject facetedProject = null;
	try {
	facetedProject = ProjectFacetsManager.create(project);
	} catch (CoreException e) {
	return false;
	}

	if (facetedProject !=null && ProjectFacetsManager.isProjectFacetDefined(typeID)) {
	IProjectFacet projectFacet = ProjectFacetsManager.getProjectFacet(typeID);
	return projectFacet!=null && facetedProject.hasProjectFacet(projectFacet);
	}
	return false;
	}

	public static boolean isEARProject(IProject project) {
	return isProjectOfType(project, ENTERPRISE_APPLICATION);
	}

	public static boolean isDynamicWebProject(IProject project) {
	return isProjectOfType(project, DYNAMIC_WEB);
	}

	public static boolean isStaticWebProject(IProject project) {
	return isProjectOfType(project, STATIC_WEB);
	}

	public static boolean isEJBProject(IProject project) {
	return isProjectOfType(project, EJB);
	}

	public static boolean isJCAProject(IProject project) {
	return isProjectOfType(project, JCA);
	}

	public static boolean isApplicationClientProject(IProject project) {
	return isProjectOfType(project, APPLICATION_CLIENT);
	}

	public static boolean isUtilityProject(IProject project) {
	return isProjectOfType(project, UTILITY);
	}

	public static boolean isStandaloneProject(IProject project) {
	return getReferencingEARProjects(project).length==0;
	}

	public static IProject[] getReferencingEARProjects(IProject project) {
	List result = new ArrayList();
	IVirtualComponent component = ComponentCore.createComponent(project);
	IVirtualComponent[] refComponents = component.getReferencingComponents();
	for (int i=0; i<refComponents.length; i++) {
	if (isEARProject(refComponents[i].getProject()))
	result.add(refComponents[i].getProject());
	}
	return (IProject[]) result.toArray(new IProject[result.size()]);
	}

	/**
	* Return all projects in workspace of the specified type
	* @param type - use one of the static strings on this class as a type
	* @return IProject[]
	*/
	public static IProject[] getAllProjectsInWorkspaceOfType(String type) {
	IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
	List result = new ArrayList();
	for (int i = 0; i < projects.length; i++) {
	if (isProjectOfType(projects[i],type))
	result.add(projects[i]);
	}
	return (IProject[]) result.toArray(new IProject[result.size()]);
	}

	public static String getJ2EEProjectType(IProject project) {
	if (isApplicationClientProject(project))
	return APPLICATION_CLIENT;
	else if (isDynamicWebProject(project))
	return DYNAMIC_WEB;
	else if (isEJBProject(project))
	return EJB;
	else if (isEARProject(project))
	return ENTERPRISE_APPLICATION;
	else if (isJCAProject(project))
	return JCA;
	else if (isStaticWebProject(project))
	return STATIC_WEB;
	else if (isUtilityProject(project))
	return UTILITY;
	else
	return ""; //$NON-NLS-1$
	}
	public static String getJ2EEProjectVersion(IProject project) {
	String type = getJ2EEProjectType(project);
	IFacetedProject facetedProject = null;
	IProjectFacet facet = null;
	try {
	facetedProject = ProjectFacetsManager.create(project);
	facet = ProjectFacetsManager.getProjectFacet(type);
	} catch (Exception e) {
	// Not Faceted project or not J2EE Project
	}
	if (facet != null && facetedProject.hasProjectFacet(facet))
	return facetedProject.getInstalledVersion(facet).getVersionString();
	return null;
	}
	public static JavaProjectMigrationOperation createFlexJavaProjectForProjectOperation(IProject project) {
	IDataModel model = DataModelFactory.createDataModel(new JavaProjectMigrationDataModelProvider());
	model.setProperty(IJavaProjectMigrationDataModelProperties.PROJECT_NAME, project.getName());
	return new JavaProjectMigrationOperation(model);
	}
	}