/*******************************************************************************
 * Copyright (c) 2003, 2005 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.application.internal.operations;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.List;
import java.util.Set;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.jem.util.emf.workbench.ProjectUtilities;
import org.eclipse.jst.j2ee.application.WebModule;
import org.eclipse.jst.j2ee.applicationclient.internal.creation.AppClientComponentImportDataModelProvider;
import org.eclipse.jst.j2ee.commonarchivecore.internal.Archive;
import org.eclipse.jst.j2ee.commonarchivecore.internal.CommonarchiveFactory;
import org.eclipse.jst.j2ee.commonarchivecore.internal.EARFile;
import org.eclipse.jst.j2ee.commonarchivecore.internal.EJBJarFile;
import org.eclipse.jst.j2ee.commonarchivecore.internal.ModuleFile;
import org.eclipse.jst.j2ee.commonarchivecore.internal.WARFile;
import org.eclipse.jst.j2ee.commonarchivecore.internal.exception.OpenFailureException;
import org.eclipse.jst.j2ee.commonarchivecore.internal.impl.FileImpl;
import org.eclipse.jst.j2ee.commonarchivecore.internal.impl.WARFileImpl;
import org.eclipse.jst.j2ee.commonarchivecore.internal.util.ArchiveUtil;
import org.eclipse.jst.j2ee.datamodel.properties.IAddWebComponentToEnterpriseApplicationDataModelProperties;
import org.eclipse.jst.j2ee.datamodel.properties.IEARComponentImportDataModelProperties;
import org.eclipse.jst.j2ee.datamodel.properties.IEarComponentCreationDataModelProperties;
import org.eclipse.jst.j2ee.datamodel.properties.IJ2EEComponentImportDataModelProperties;
import org.eclipse.jst.j2ee.datamodel.properties.IJ2EEModuleImportDataModelProperties;
import org.eclipse.jst.j2ee.datamodel.properties.IJavaComponentCreationDataModelProperties;
import org.eclipse.jst.j2ee.datamodel.properties.IJavaUtilityJarImportDataModelProperties;
import org.eclipse.jst.j2ee.ejb.EJBJar;
import org.eclipse.jst.j2ee.internal.J2EEVersionConstants;
import org.eclipse.jst.j2ee.internal.archive.operations.EARComponentImportOperation;
import org.eclipse.jst.j2ee.internal.common.XMLResource;
import org.eclipse.jst.j2ee.internal.earcreation.EARCreationResourceHandler;
import org.eclipse.jst.j2ee.internal.earcreation.EarComponentCreationDataModelProvider;
import org.eclipse.jst.j2ee.internal.moduleextension.EarModuleManager;
import org.eclipse.jst.j2ee.internal.moduleextension.EjbModuleExtension;
import org.eclipse.jst.j2ee.internal.moduleextension.JcaModuleExtension;
import org.eclipse.jst.j2ee.internal.moduleextension.WebModuleExtension;
import org.eclipse.wst.common.frameworks.datamodel.DataModelEvent;
import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory;
import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
import org.eclipse.wst.common.frameworks.datamodel.IDataModelListener;
import org.eclipse.wst.common.frameworks.datamodel.IDataModelOperation;
import org.eclipse.wst.common.frameworks.internal.WTPPlugin;
import org.eclipse.wst.common.frameworks.internal.plugin.WTPCommonPlugin;
import org.eclipse.wst.server.core.IRuntime;
import org.eclipse.wst.server.core.ServerCore;

/**
 * This dataModel is used for to import Enterprise Applications(from EAR files) into the workspace.
 * 
 * This class (and all its fields and methods) is likely to change during the WTP 1.0 milestones as
 * the new project structures are adopted. Use at your own risk.
 * 
 * @plannedfor WTP 1.0
 */
public final class EARComponentImportDataModelProvider extends J2EEArtifactImportDataModelProvider implements IAnnotationsDataModel, IEARComponentImportDataModelProperties {

	/**
	 * This is only to force validation for the nested projects; do not set.
	 */
	public static final String NESTED_PROJECTS_VALIDATION = "EARImportDataModel.NESTED_PROJECTS_VALIDATION"; //$NON-NLS-1$


	private IDataModelListener nestedListener = new IDataModelListener() {
		public void propertyChanged(DataModelEvent event) {
			if (event.getPropertyName().equals(COMPONENT_NAME)) {
				model.notifyPropertyChange(NESTED_PROJECTS_VALIDATION, IDataModel.DEFAULT_CHG);
			}
		}
	};

	private Hashtable ejbJarToClientJarModels = new Hashtable();

	private Hashtable clientJarToEjbJarModels = new Hashtable();

	public Set getPropertyNames() {
		Set propertyNames = super.getPropertyNames();
		propertyNames.add(NESTED_MODULE_ROOT);
		propertyNames.add(UTILITY_LIST);
		propertyNames.add(MODULE_MODELS_LIST);
		propertyNames.add(EJB_CLIENT_LIST);
		propertyNames.add(UTILITY_MODELS_LIST);
		propertyNames.add(NESTED_PROJECTS_VALIDATION);
		propertyNames.add(SELECTED_MODELS_LIST);
		propertyNames.add(USE_ANNOTATIONS);
		propertyNames.add(ALL_PROJECT_MODELS_LIST);
		propertyNames.add(UNHANDLED_PROJECT_MODELS_LIST);
		propertyNames.add(HANDLED_PROJECT_MODELS_LIST);
		return propertyNames;
	}

	public Object getDefaultProperty(String propertyName) {
		if (NESTED_MODULE_ROOT.equals(propertyName)) {
			return getLocation().toOSString();
		} else if (MODULE_MODELS_LIST.equals(propertyName) || UTILITY_LIST.equals(propertyName) || UTILITY_MODELS_LIST.equals(propertyName) || SELECTED_MODELS_LIST.equals(propertyName) || EJB_CLIENT_LIST.equals(propertyName)) {
			return Collections.EMPTY_LIST;
		} else if (USE_ANNOTATIONS.equals(propertyName)) {
			return Boolean.FALSE;
		} else if (ALL_PROJECT_MODELS_LIST.equals(propertyName)) {
			return getProjectModels();
		} else if (UNHANDLED_PROJECT_MODELS_LIST.equals(propertyName)) {
			return getUnhandledProjectModels();
		} else if (HANDLED_PROJECT_MODELS_LIST.equals(propertyName)) {
			return getHandledSelectedModels();
		}
		return super.getDefaultProperty(propertyName);
	}

	public void propertyChanged(DataModelEvent event) {
		super.propertyChanged(event);
		if (event.getPropertyName().equals(PROJECT_NAME)) {
			changeModuleCreationLocationForNameChange(getProjectModels());
		} else if (event.getPropertyName().equals(RUNTIME_TARGET_ID) && event.getDataModel() == model.getNestedModel(NESTED_MODEL_J2EE_COMPONENT_CREATION)) {
			Object propertyValue = event.getProperty();
			IDataModel nestedModel = null;
			List projectModels = (List) getProperty(ALL_PROJECT_MODELS_LIST);
			for (int i = 0; i < projectModels.size(); i++) {
				nestedModel = (IDataModel) projectModels.get(i);
				nestedModel.setProperty(RUNTIME_TARGET_ID, propertyValue);
			}
		}
	}

	public boolean propertySet(String propertyName, Object propertyValue) {
		if (ALL_PROJECT_MODELS_LIST.equals(propertyName) || UNHANDLED_PROJECT_MODELS_LIST.equals(propertyName) || HANDLED_PROJECT_MODELS_LIST.equals(propertyName)) {
			throw new RuntimeException(propertyName + " is an unsettable property"); //$NON-NLS-1$
		}
		boolean doSet = super.propertySet(propertyName, propertyValue);
		if (NESTED_MODULE_ROOT.equals(propertyName)) {
			changeModuleCreationLocationForAll(getProjectModels(), (String) propertyValue);
		} else if (FILE_NAME.equals(propertyName)) {
			setProperty(MODULE_MODELS_LIST, getModuleModels());
			setProperty(UTILITY_LIST, null);


			IDataModel earProjectModel = model.getNestedModel(NESTED_MODEL_J2EE_COMPONENT_CREATION);
			if (getArchiveFile() != null) {
				earProjectModel.setIntProperty(IEarComponentCreationDataModelProperties.COMPONENT_VERSION, ArchiveUtil.getFastSpecVersion((ModuleFile) getArchiveFile()));
			}

			model.notifyPropertyChange(PROJECT_NAME, IDataModel.VALID_VALUES_CHG);
			if (getJ2EEVersion() < J2EEVersionConstants.VERSION_1_3)
				setBooleanProperty(USE_ANNOTATIONS, false);
			model.notifyPropertyChange(USE_ANNOTATIONS, IDataModel.ENABLE_CHG);
		} else if (UTILITY_LIST.equals(propertyName)) {
			updateUtilityModels((List) propertyValue);
		} else if (USE_ANNOTATIONS.equals(propertyName)) {
			List projectModels = (List) getProperty(MODULE_MODELS_LIST);
			IDataModel nestedModel = null;
			for (int i = 0; i < projectModels.size(); i++) {
				nestedModel = (IDataModel) projectModels.get(i);
				if (nestedModel.isProperty(USE_ANNOTATIONS)) {
					nestedModel.setProperty(USE_ANNOTATIONS, propertyValue);
				}
			}
		} else if (MODULE_MODELS_LIST.equals(propertyName)) {
			List newList = new ArrayList();
			newList.addAll(getProjectModels());
			setProperty(SELECTED_MODELS_LIST, newList);
		} else if (PROJECT_NAME.equals(propertyName)) {
			List nestedModels = (List) getProperty(MODULE_MODELS_LIST);
			IDataModel nestedModel = null;
			for (int i = 0; i < nestedModels.size(); i++) {
				nestedModel = (IDataModel) nestedModels.get(i);
				nestedModel.setProperty(IJ2EEModuleImportDataModelProperties.EAR_COMPONENT_NAME, propertyValue);
			}
			nestedModels = (List) getProperty(UTILITY_MODELS_LIST);
			for (int i = 0; i < nestedModels.size(); i++) {
				nestedModel = (IDataModel) nestedModels.get(i);
				nestedModel.setProperty(IJavaUtilityJarImportDataModelProperties.EAR_PROJECT_NAME, propertyValue);
			}
			IProject project = ProjectUtilities.getProject(getStringProperty(PROJECT_NAME));
			if (null != project && project.exists()) {
				IRuntime target = ServerCore.getProjectProperties(project).getRuntimeTarget();
				if (null != target) {
					setProperty(RUNTIME_TARGET_ID, target.getId());
				}
			}
		} else if (COMPONENT_NAME.equals(propertyName)) {
			List nestedModels = (List) getProperty(MODULE_MODELS_LIST);
			IDataModel nestedModel = null;
			for (int i = 0; i < nestedModels.size(); i++) {
				nestedModel = (IDataModel) nestedModels.get(i);
				nestedModel.setProperty(IJ2EEModuleImportDataModelProperties.EAR_COMPONENT_NAME, propertyValue);
			}
			nestedModels = (List) getProperty(UTILITY_MODELS_LIST);
			for (int i = 0; i < nestedModels.size(); i++) {
				nestedModel = (IDataModel) nestedModels.get(i);
				nestedModel.setProperty(IJavaUtilityJarImportDataModelProperties.EAR_COMPONENT_NAME, propertyValue);
			}
		}
		return doSet;
	}

	public List getAllUtilitiesExceptEJBClients(EARFile earFile) {
		List clientList = (List) getProperty(EJB_CLIENT_LIST);
		List list = getAllUtilities(earFile);
		for (int i = list.size() - 1; i > -1; i--) {
			FileImpl file = (FileImpl) list.get(i);
			boolean shouldRemove = false;
			for (int j = 0; j < clientList.size() && !shouldRemove; j++) {
				IDataModel localModel = (IDataModel) clientList.get(j);
				if (localModel.getProperty(IJ2EEComponentImportDataModelProperties.FILE) == file) {
					shouldRemove = true;
				}
			}

			if (shouldRemove) {
				list.remove(i);
			}
		}
		return list;
	}

	public static List getAllUtilities(EARFile earFile) {
		List files = earFile.getFiles();
		List utilJars = new ArrayList();
		for (int i = 0; i < files.size(); i++) {
			FileImpl file = (FileImpl) files.get(i);
			if (file.isArchive() && !file.isModuleFile() && file.getURI().endsWith(".jar")) { //$NON-NLS-1$
				utilJars.add(file);
			}
			if (file.isWARFile()) {
				utilJars.addAll(getWebLibs((WARFile) file));
			}
		}
		return utilJars;
	}

	public static List getWebLibs(WARFile warFile) {
		return ((WARFileImpl) warFile).getLibArchives();
	}


	protected boolean forceResetOnPreserveMetaData() {
		return false;
	}

	public IStatus validate(String propertyName) {
		if (propertyName.equals(NESTED_PROJECTS_VALIDATION)) {
			String earProjectName = getStringProperty(PROJECT_NAME);
			List subProjects = getSelectedModels();
			IDataModel subDataModel = null;
			String tempProjectName = null;
			Archive tempArchive = null;
			IStatus tempStatus = null;
			Hashtable projects = new Hashtable(4);
			for (int i = 0; i < subProjects.size(); i++) {
				subDataModel = (IDataModel) subProjects.get(i);
				tempProjectName = subDataModel.getStringProperty(PROJECT_NAME);
				// TODO: add manual validation
				// IStatus status = ProjectCreationDataModel.validateProjectName(tempProjectName);
				// if (!status.isOK()) {
				// return status;
				// }
				tempArchive = (Archive) subDataModel.getProperty(FILE);
				// if (!overwrite && subDataModel.getProject().exists()) {
				// return
				// WTPCommonPlugin.createErrorStatus(EARCreationResourceHandler.getString("EARImportDataModel_UI_0",
				// new Object[]{tempProjectName, tempArchive.getURI()})); //$NON-NLS-1$
				// }
				tempStatus = subDataModel.validate();
				if (!tempStatus.isOK()) {
					return tempStatus;
				}
				if (tempProjectName.equals(earProjectName)) {
					return WTPCommonPlugin.createErrorStatus(EARCreationResourceHandler.getString("EARImportDataModel_UI_1", new Object[]{tempProjectName, tempArchive.getURI()})); //$NON-NLS-1$
				} else if (!WTPPlugin.isPlatformCaseSensitive()) {
					if (tempProjectName.toLowerCase().equals(earProjectName.toLowerCase())) {
						return WTPCommonPlugin.createErrorStatus(EARCreationResourceHandler.getString("EARImportDataModel_UI_1", new Object[]{tempProjectName, tempArchive.getURI()})); //$NON-NLS-1$
					}
				}
				if (projects.containsKey(tempProjectName)) {
					return WTPCommonPlugin.createErrorStatus(EARCreationResourceHandler.getString("EARImportDataModel_UI_2", new Object[]{tempProjectName, tempArchive.getURI(), ((Archive) projects.get(tempProjectName)).getURI()})); //$NON-NLS-1$
				} else if (!WTPPlugin.isPlatformCaseSensitive()) {
					String lowerCaseProjectName = tempProjectName.toLowerCase();
					String currentKey = null;
					Enumeration keys = projects.keys();
					while (keys.hasMoreElements()) {
						currentKey = (String) keys.nextElement();
						if (currentKey.toLowerCase().equals(lowerCaseProjectName)) {
							return WTPCommonPlugin.createErrorStatus(EARCreationResourceHandler.getString("EARImportDataModel_UI_2", new Object[]{tempProjectName, tempArchive.getURI(), ((Archive) projects.get(currentKey)).getURI()})); //$NON-NLS-1$
						}
					}
				}
				projects.put(tempProjectName, tempArchive);
			}
		}
		// TODO: check context root is not inside current working
		// directory...this is invalid
		return super.validate(propertyName);
	}

	private void changeModuleCreationLocationForAll(List projects, String property) {
		IDataModel localModel = null;
		for (int i = 0; null != projects && i < projects.size(); i++) {
			localModel = (IDataModel) projects.get(i);
			IPath newPath = new Path(property);
			newPath = newPath.append((String) localModel.getProperty(IJ2EEComponentImportDataModelProperties.PROJECT_NAME));
			// model.setProperty(J2EEComponentCreationDataModel.PROJECT_LOCATION,
			// newPath.toOSString());
		}
	}

	private void changeModuleCreationLocationForNameChange(List projects) {
		IDataModel localModel = null;
		for (int i = 0; null != projects && i < projects.size(); i++) {
			localModel = (IDataModel) projects.get(i);
			if (isPropertySet(NESTED_MODULE_ROOT)) {
				IPath newPath = new Path((String) getProperty(NESTED_MODULE_ROOT));
				newPath = newPath.append((String) localModel.getProperty(IJ2EEComponentImportDataModelProperties.PROJECT_NAME));
				// model.setProperty(J2EEComponentCreationDataModel.PROJECT_LOCATION,
				// newPath.toOSString());
			} else {
				// model.setProperty(J2EEComponentCreationDataModel.PROJECT_LOCATION, null);
			}
		}
	}

	private IPath getLocation() {
		return ResourcesPlugin.getWorkspace().getRoot().getLocation();
	}

	private void trimSelection() {
		boolean modified = false;
		List selectedList = getSelectedModels();
		List allList = getProjectModels();
		for (int i = selectedList.size() - 1; i > -1; i--) {
			if (!allList.contains(selectedList.get(i))) {
				modified = true;
				selectedList.remove(i);
			}
		}
		if (modified) {
			List newList = new ArrayList();
			newList.addAll(selectedList);
			setProperty(SELECTED_MODELS_LIST, newList);
		}
	}

	private void updateUtilityModels(List utilityJars) {
		updateUtilityModels(utilityJars, SELECTED_MODELS_LIST, UTILITY_MODELS_LIST);
	}

	private void updateUtilityModels(List utilityJars, String selectedProperty, String listTypeProperty) {
		boolean allSelected = true;
		List selectedList = (List) getProperty(selectedProperty);
		List allList = getProjectModels();
		if (selectedList.size() == allList.size()) {
			for (int i = 0; i < selectedList.size() && allSelected; i++) {
				if (!selectedList.contains(allList.get(i)) || !allList.contains(selectedList.get(i))) {
					allSelected = false;
				}
			}
		} else {
			allSelected = false;
		}
		List utilityModels = (List) getProperty(listTypeProperty);
		Archive currentArchive = null;
		IDataModel currentUtilityModel = null;
		boolean utilityJarsModified = false;
		// Add missing
		for (int i = 0; null != utilityJars && i < utilityJars.size(); i++) {
			currentArchive = (Archive) utilityJars.get(i);
			boolean added = false;
			for (int j = 0; utilityModels != null && j < utilityModels.size() && !added; j++) {
				currentUtilityModel = (IDataModel) utilityModels.get(j);
				if (currentUtilityModel.getProperty(IJavaUtilityJarImportDataModelProperties.FILE) == currentArchive) {
					added = true;
				}
			}
			if (!added) {
				if (!isPropertySet(listTypeProperty)) {
					utilityModels = new ArrayList();
					setProperty(listTypeProperty, utilityModels);
				}
				IDataModel localModel = DataModelFactory.createDataModel(new J2EEUtilityJarImportDataModelProvider());
				localModel.setProperty(IJavaUtilityJarImportDataModelProperties.FILE, currentArchive);
				localModel.setProperty(IJavaUtilityJarImportDataModelProperties.EAR_PROJECT_NAME, getStringProperty(PROJECT_NAME));
				localModel.setProperty(IJavaUtilityJarImportDataModelProperties.EAR_COMPONENT_NAME, getStringProperty(COMPONENT_NAME));
				localModel.setProperty(IJavaComponentCreationDataModelProperties.RUNTIME_TARGET_ID, getStringProperty(RUNTIME_TARGET_ID));
				utilityModels.add(localModel);
				localModel.addListener(nestedListener);
				utilityJarsModified = true;
			}
		} // Remove extras
		for (int i = utilityModels.size() - 1; i >= 0; i--) {
			currentUtilityModel = (IDataModel) utilityModels.get(i);
			currentArchive = (Archive) currentUtilityModel.getProperty(IJavaUtilityJarImportDataModelProperties.FILE);
			if (null == utilityJars || !utilityJars.contains(currentArchive)) {
				currentUtilityModel.removeListener(nestedListener);
				currentUtilityModel.dispose();
				utilityModels.remove(currentUtilityModel);
				utilityJarsModified = true;
			}
		}
		allList = getProjectModels();
		if (allSelected) {
			List newList = new ArrayList();
			newList.addAll(allList);
			setProperty(SELECTED_MODELS_LIST, newList);
		} else {
			trimSelection();
		}
		if (utilityJarsModified) {
			model.notifyPropertyChange(NESTED_PROJECTS_VALIDATION, IDataModel.VALUE_CHG);
		}
	}

	private List getModuleModels() {
		if (getArchiveFile() == null)
			return Collections.EMPTY_LIST;
		List moduleFiles = getEARFile().getModuleFiles();
		List moduleModels = new ArrayList();
		List clientJarArchives = new ArrayList();
		IDataModel localModel;
		String earProjectName = getStringProperty(PROJECT_NAME);
		String earComponentName = getStringProperty(COMPONENT_NAME);
		List defaultModuleNames = new ArrayList();
		defaultModuleNames.add(earProjectName);
		List collidingModuleNames = null;
		Hashtable ejbJarsWithClients = new Hashtable();
		for (int i = 0; i < moduleFiles.size(); i++) {
			localModel = null;
			ModuleFile temp = (ModuleFile) moduleFiles.get(i);
			if (temp.isApplicationClientFile()) {
				localModel = DataModelFactory.createDataModel(new AppClientComponentImportDataModelProvider());
			} else if (temp.isWARFile()) {
				WebModuleExtension webExt = EarModuleManager.getWebModuleExtension();
				if (webExt != null) {
					localModel = webExt.createImportDataModel();
					WebModule webModule = (WebModule) getEARFile().getModule(temp.getURI(), null);
					if (null != webModule && null != webModule.getContextRoot()) {
						localModel.setProperty(IAddWebComponentToEnterpriseApplicationDataModelProperties.CONTEXT_ROOT, webModule.getContextRoot());
					}
				}
			} else if (temp.isEJBJarFile()) {
				EjbModuleExtension ejbExt = EarModuleManager.getEJBModuleExtension();
				if (ejbExt != null) {
					localModel = ejbExt.createImportDataModel();
				}
				EJBJar jar = ((EJBJarFile) temp).getDeploymentDescriptor();
				if (jar != null) {
					if (jar.getEjbClientJar() != null) {
						String clientName = jar.getEjbClientJar();
						try {
							Archive clientArchive = (Archive) getEARFile().getFile(clientName);
							clientJarArchives.add(clientArchive);
							ejbJarsWithClients.put(localModel, clientArchive);
						} catch (Exception e) {
							// TODO: handle exception
						}
					}
				}
			} else if (temp.isRARFile()) {
				JcaModuleExtension rarExt = EarModuleManager.getJCAModuleExtension();
				if (rarExt != null) {
					localModel = rarExt.createImportDataModel();
				}
			}
			if (localModel != null) {
				localModel.setProperty(FILE, temp);
				localModel.setProperty(IJ2EEModuleImportDataModelProperties.EAR_COMPONENT_NAME, earComponentName);
				localModel.setBooleanProperty(IJ2EEModuleImportDataModelProperties.ADD_TO_EAR, false);
				localModel.setProperty(RUNTIME_TARGET_ID, getProperty(RUNTIME_TARGET_ID));
				localModel.addListener(this);
				localModel.addListener(nestedListener);
				moduleModels.add(localModel);
				String moduleName = localModel.getStringProperty(IJ2EEModuleImportDataModelProperties.PROJECT_NAME);
				if (defaultModuleNames.contains(moduleName)) {
					if (collidingModuleNames == null) {
						collidingModuleNames = new ArrayList();
					}
					collidingModuleNames.add(moduleName);
				} else {
					defaultModuleNames.add(moduleName);
				}
			}
		}
		updateUtilityModels(clientJarArchives, EJB_CLIENT_LIST, EJB_CLIENT_LIST);
		List clientModelList = (List) getProperty(EJB_CLIENT_LIST);
		Enumeration ejbModels = ejbJarsWithClients.keys();
		ejbJarToClientJarModels.clear();
		clientJarToEjbJarModels.clear();
		while (ejbModels.hasMoreElements()) {
			Object ejbModel = ejbModels.nextElement();
			Object archive = ejbJarsWithClients.get(ejbModel);
			Object clientModel = null;
			for (int i = 0; clientModel == null && i < clientModelList.size(); i++) {
				if (((IDataModel) clientModelList.get(i)).getProperty(FILE) == archive) {
					clientModel = clientModelList.get(i);
				}
			}
			ejbJarToClientJarModels.put(ejbModel, clientModel);
			clientJarToEjbJarModels.put(clientModel, ejbModel);
		}

		for (int i = 0; collidingModuleNames != null && i < moduleModels.size(); i++) {
			localModel = (IDataModel) moduleModels.get(i);
			String moduleName = localModel.getStringProperty(IJ2EEModuleImportDataModelProperties.PROJECT_NAME);
			if (collidingModuleNames.contains(moduleName)) {
				ModuleFile module = (ModuleFile) localModel.getProperty(IJ2EEModuleImportDataModelProperties.FILE);
				String suffix = null;
				if (module.isApplicationClientFile()) {
					suffix = "_AppClient"; //$NON-NLS-1$
				} else if (module.isWARFile()) {
					suffix = "_WEB"; //$NON-NLS-1$
				} else if (module.isEJBJarFile()) {
					suffix = "_EJB"; //$NON-NLS-1$
				} else if (module.isRARFile()) {
					suffix = "_JCA"; //$NON-NLS-1$
				}
				if (defaultModuleNames.contains(moduleName + suffix)) {
					int count = 1;
					for (; defaultModuleNames.contains(moduleName + suffix + count) && count < 10; count++);
					suffix += count;
				}
				localModel.setProperty(IJ2EEModuleImportDataModelProperties.PROJECT_NAME, moduleName + suffix);
			}
		}
		return moduleModels;
	}

	protected int getType() {
		return XMLResource.APPLICATION_TYPE;
	}

	protected Archive openArchive(String uri) throws OpenFailureException {
		return CommonarchiveFactory.eINSTANCE.openEARFile(getArchiveOptions(), uri);
	}

	private EARFile getEARFile() {
		return (EARFile) getArchiveFile();
	}

	public boolean handlesArchive(Archive anArchive) {
		List temp = new ArrayList();
		List tempList = (List) getProperty(MODULE_MODELS_LIST);
		if (null != tempList) {
			temp.addAll(tempList);
		}
		tempList = (List) getProperty(EJB_CLIENT_LIST);
		if (null != tempList) {
			temp.addAll(tempList);
		}
		tempList = getSelectedModels();
		for (int i = 0; i < tempList.size(); i++) {
			if (!temp.contains(tempList.get(i))) {
				temp.add(tempList.get(i));
			}
		}
		IDataModel importDM = null;
		for (int i = 0; i < temp.size(); i++) {
			importDM = (IDataModel) temp.get(i);
			if (importDM.getProperty(FILE) == anArchive) {
				return true;
			}
		}
		return false;
	}

	private List getProjectModels() {
		List temp = new ArrayList();
		List tempList = (List) getProperty(MODULE_MODELS_LIST);
		if (null != tempList) {
			temp.addAll(tempList);
		}
		tempList = (List) getProperty(UTILITY_MODELS_LIST);
		if (null != tempList) {
			temp.addAll(tempList);
		}
		tempList = (List) getProperty(EJB_CLIENT_LIST);
		if (null != tempList) {
			temp.addAll(tempList);
		}
		return temp;
	}

	private List getUnhandledProjectModels() {
		List handled = removeHandledModels(getProjectModels(), getProjectModels(), false);
		List all = getProjectModels();
		all.removeAll(handled);
		return all;
	}

	public List getSelectedModels() {
		return (List) getProperty(SELECTED_MODELS_LIST);
	}

	private List removeHandledModels(List listToPrune, List modelsToCheck, boolean addModels) {
		List newList = new ArrayList();
		newList.addAll(listToPrune);
		IDataModel localModel = null;
		for (int i = 0; i < modelsToCheck.size(); i++) {
			localModel = (IDataModel) modelsToCheck.get(i);
			// model.extractHandled(newList, addModels);
		}
		return newList;
	}

	private List getHandledSelectedModels() {
		List selectedModels = getSelectedModels();
		return removeHandledModels(selectedModels, selectedModels, true);
	}

	public int getJ2EEVersion() {
		EARFile ef = getEARFile();
		return null == ef ? J2EEVersionConstants.J2EE_1_2_ID : ArchiveUtil.getFastSpecVersion(ef);
	}

	public boolean isPropertyEnabled(String propertyName) {
		if (!super.isPropertyEnabled(propertyName)) {
			return false;
		}
		if (propertyName.equals(USE_ANNOTATIONS)) {
			if (getJ2EEVersion() < J2EEVersionConstants.VERSION_1_3)
				return false;
			return true;
		}
		return true;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jst.j2ee.internal.internal.application.operations.J2EEImportDataModel#dispose()
	 */
	public void dispose() {
		super.dispose();
		List list = getProjectModels();
		for (int i = 0; i < list.size(); i++) {
			((IDataModel) list.get(i)).dispose();
		}
		EARFile earFile = getEARFile();
		if (earFile != null)
			earFile.close();
	}

	// TODO: Implement with J2EEArtifactImportDataModelProvider
	/*
	 * public J2EEArtifactImportDataModel getMatchingEJBJarOrClient(J2EEArtifactImportDataModel
	 * model) { if (clientJarToEjbJarModels.containsKey(model)) { return
	 * (J2EEArtifactImportDataModel) clientJarToEjbJarModels.get(model); } else if
	 * (ejbJarToClientJarModels.containsKey(model)) { return (J2EEArtifactImportDataModel)
	 * ejbJarToClientJarModels.get(model); } else { return null; } }
	 */

	protected IDataModel createJ2EEComponentCreationDataModel() {
		return DataModelFactory.createDataModel(new EarComponentCreationDataModelProvider());
	}

	public IDataModelOperation getDefaultOperation() {
		return new EARComponentImportOperation(model);
	}

}