openaz-xacml-pap-admin/src/main/java/org/apache/openaz/xacml/admin/view/windows/SelectWorkspacePoliciesWindow.java - incubator-retired-openaz - Git at Google

 /*
  *  Licensed to the Apache Software Foundation (ASF) under one
  *  or more contributor license agreements.  See the NOTICE file
  *  distributed with this work for additional information
  *  regarding copyright ownership.  The ASF licenses this file
  *  to you under the Apache License, Version 2.0 (the
  *  "License"); you may not use this file except in compliance
  *  with the License.  You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
  *  Unless required by applicable law or agreed to in writing,
  *  software distributed under the License is distributed on an
  *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  *  KIND, either express or implied.  See the License for the
  *  specific language governing permissions and limitations
  *  under the License.
  *
  */

 package org.apache.openaz.xacml.admin.view.windows;

 import java.io.File;
 import java.io.FilenameFilter;
 import java.io.IOException;
 import java.net.URI;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;

 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;

 import org.apache.openaz.xacml.admin.XacmlAdminUI;
 import org.apache.openaz.xacml.admin.model.GitRepositoryContainer;
 import org.apache.openaz.xacml.admin.model.GitRepositoryContainer.FileItem;
 import org.apache.openaz.xacml.admin.util.AdminNotification;
 import org.apache.openaz.xacml.std.pap.StdPDPPolicy;
 import com.vaadin.annotations.AutoGenerated;
 import com.vaadin.data.Property.ValueChangeEvent;
 import com.vaadin.data.Property.ValueChangeListener;
 import com.vaadin.event.ItemClickEvent;
 import com.vaadin.event.ItemClickEvent.ItemClickListener;
 import com.vaadin.event.ShortcutAction.KeyCode;
 import com.vaadin.ui.Alignment;
 import com.vaadin.ui.Button;
 import com.vaadin.ui.Button.ClickEvent;
 import com.vaadin.ui.Button.ClickListener;
 import com.vaadin.ui.TreeTable;
 import com.vaadin.ui.UI;
 import com.vaadin.ui.VerticalLayout;
 import com.vaadin.ui.Window;

 public class SelectWorkspacePoliciesWindow extends Window {
 	@AutoGenerated
 	private VerticalLayout mainLayout;

 	@AutoGenerated
 	private Button buttonSave;

 	@AutoGenerated
 	private TreeTable treeWorkspace;

 	private static Log	logger	= LogFactory.getLog(SelectWorkspacePoliciesWindow.class);

 	/*- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} */

 	/**
 	 *
 	 */
 	private static final long serialVersionUID = 1L;
 	private final SelectWorkspacePoliciesWindow self = this;
 	private GitRepositoryContainer treeContainer;
 	private boolean isSaved = false;
 	private StdPDPPolicy selectedPolicy = null;


 	/**
 	 * The constructor should first build the main layout, set the
 	 * composition root and then do any custom initialization.
 	 *
 	 * The constructor will not be automatically regenerated by the
 	 * visual editor.
 	 */
 	public SelectWorkspacePoliciesWindow() {
 		buildMainLayout();
 		//setCompositionRoot(mainLayout);
 		setContent(mainLayout);
 		//
 		// Shortcuts
 		//
 		this.setCloseShortcut(KeyCode.ESCAPE);
 		this.buttonSave.setClickShortcut(KeyCode.ENTER);
 		//
 		//
 		//
 		this.initializeTree();
 		this.initializeButton();
 		//
 		//
 		//
 		this.treeWorkspace.focus();
 	}

 	protected void initializeTree() {
 		//
 		// This is where the user's Git repository is located
 		//
 		final Path gitPath = ((XacmlAdminUI)UI.getCurrent()).getUserGitPath();
 		//
 		// Create our Git file system container
 		//
 		this.treeContainer = new GitRepositoryContainer(gitPath, gitPath.toFile());
 		//
 		// Create our own filter to filter out File extensions and
 		// also the Git directory.
 		//
 		this.treeContainer.setFilter(new FilenameFilter() {

 			@Override
 			public boolean accept(File dir, String name) {
 				//
 				// We don't want any of the hidden files
 				//
 				if (name.startsWith(".git") || name.equals(".DS_Store")) {
 					return false;
 				}
 				//
 				// We definitely want xml files
 				//
 				if (name.endsWith(".xml")) {
 					return true;
 				}
 				//
 				// We should test if its a directory, we want those
 				// included.
 				//
 				Path path = Paths.get(dir.getAbsolutePath(), name);
 				if (Files.isDirectory(path)) {
 					return true;
 				}
 				logger.warn("Filtering out: " + path.toString());
 				return false;
 			}

 		});
 		//
 		// Set TreeTables datasource as our git container
 		//
 		this.treeWorkspace.setContainerDataSource(this.treeContainer);
 		//
 		// Setup other properties etc.
 		//
 		this.treeWorkspace.setItemIconPropertyId("Icon");
 		this.treeWorkspace.setVisibleColumns(new Object[]{"Name", "Version", "Size", "Last Modified", "Status"});
 		this.treeWorkspace.setSizeFull();
 		this.treeWorkspace.setSelectable(true);
 		this.treeWorkspace.setEditable(false);
 		//
 		// Expand the first couple of directories
 		//
 		for (Object id : this.treeWorkspace.getItemIds()) {
 			this.treeWorkspace.setCollapsed(id, false);
 			for (Object child : this.treeWorkspace.getChildren(id)) {
 				this.treeWorkspace.setCollapsed(child, false);
 			}
 		}
 		//
 		// Respond to table selections
 		//
 		this.treeWorkspace.addValueChangeListener(new ValueChangeListener() {
 			private static final long serialVersionUID = 1L;

 			@Override
 			public void valueChange(ValueChangeEvent event) {
 				if (self.treeWorkspace.getValue() != null) {
 					self.buttonSave.setEnabled(true);
 				} else {
 					self.buttonSave.setEnabled(false);
 				}
 			}
 		});
 		//
 		// Double-click events
 		//
 		this.treeWorkspace.addItemClickListener(new ItemClickListener() {
 			private static final long serialVersionUID = 1L;

 			@Override
 			public void itemClick(ItemClickEvent event) {
 				if (event.isDoubleClick()) {
 					//
 					// Save and close
 					//
 					self.doSave();
 				}
 			}
 		});
 	}

 	protected void initializeButton() {
 		this.buttonSave.addClickListener(new ClickListener() {
 			private static final long serialVersionUID = 1L;

 			@Override
 			public void buttonClick(ClickEvent event) {
 				assert treeWorkspace.getValue() != null;
 				//
 				// Save everything
 				//
 				self.doSave();
 			}
 		});
 	}

 	protected void doSave() {
 		//
 		// Get the current selection
 		//
 		FileItem selectedItem = (FileItem) this.treeWorkspace.getItem(this.treeWorkspace.getValue());
 		//
 		//
 		//
 		assert selectedItem != null;
 		if (selectedItem == null) {
 			return;
 		}

 		// create the id of the target file

 		// Our standard for file naming is:
 		//		<domain>.<filename>.<version>.xml

 		// since the file name usually has a ".xml", we need to strip that before adding the other parts
 		String name = selectedItem.getName();
 		String id = name;
 		if (id.endsWith(".xml")) {
 			id = id.substring(0, id.length() - 4);
 		}

 		// add on the version string

 		String version = selectedItem.getVersion();
 		id += "." + version;

 		// put the .xml on the end
 		id += ".xml";

 		// tack on the domain in front.  Do this one level at a time until we reach one of the roots


 		File parentFile = selectedItem.getFile();
 		while ((parentFile = (File) this.treeWorkspace.getParent(parentFile)) != null) {
 			if (this.treeContainer.isRoot(parentFile)) {
 				break;
 			}
 			id = parentFile.getName() + "." + id;
 		}

 		// Default policy to be Root policy;  user can change to deferred later
 		URI selectedURI = selectedItem.getFile().toURI();
 		try {
 			//
 			// Create the policy
 			//
 			this.selectedPolicy = new StdPDPPolicy(id, true, name, selectedURI);
 			//
 			// Mark ourselves as saved
 			//
 			this.isSaved = true;
 		} catch (IOException e) {
 			logger.error("Unable to create policy '" + id + "': " + e.getMessage());
 			AdminNotification.warn("Unable to create policy '" + id + "': " + e.getMessage());
 		}

 		//
 		// Close the window
 		//
 		this.close();
 	}

 	public boolean isSaved() {
 		return this.isSaved;
 	}

 	public StdPDPPolicy getSelectedPolicy() {
 		return this.selectedPolicy;
 	}


 	@AutoGenerated
 	private VerticalLayout buildMainLayout() {
 		// common part: create layout
 		mainLayout = new VerticalLayout();
 		mainLayout.setImmediate(false);
 		mainLayout.setWidth("-1px");
 		mainLayout.setHeight("-1px");
 		mainLayout.setMargin(true);
 		mainLayout.setSpacing(true);

 		// top-level component properties
 		setWidth("-1px");
 		setHeight("-1px");

 		// treeWorkspace
 		treeWorkspace = new TreeTable();
 		treeWorkspace.setCaption("Select Policy(s) for PDP Group");
 		treeWorkspace.setImmediate(true);
 		treeWorkspace.setWidth("100.0%");
 		treeWorkspace.setHeight("-1px");
 		mainLayout.addComponent(treeWorkspace);

 		// buttonSave
 		buttonSave = new Button();
 		buttonSave.setCaption("Save");
 		buttonSave.setImmediate(false);
 		buttonSave.setWidth("-1px");
 		buttonSave.setHeight("-1px");
 		mainLayout.addComponent(buttonSave);
 		mainLayout.setComponentAlignment(buttonSave, new Alignment(48));

 		return mainLayout;
 	}


 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing,
	* software distributed under the License is distributed on an
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the License.
	*
	*/

	package org.apache.openaz.xacml.admin.view.windows;

	import java.io.File;
	import java.io.FilenameFilter;
	import java.io.IOException;
	import java.net.URI;
	import java.nio.file.Files;
	import java.nio.file.Path;
	import java.nio.file.Paths;

	import org.apache.commons.logging.Log;
	import org.apache.commons.logging.LogFactory;

	import org.apache.openaz.xacml.admin.XacmlAdminUI;
	import org.apache.openaz.xacml.admin.model.GitRepositoryContainer;
	import org.apache.openaz.xacml.admin.model.GitRepositoryContainer.FileItem;
	import org.apache.openaz.xacml.admin.util.AdminNotification;
	import org.apache.openaz.xacml.std.pap.StdPDPPolicy;
	import com.vaadin.annotations.AutoGenerated;
	import com.vaadin.data.Property.ValueChangeEvent;
	import com.vaadin.data.Property.ValueChangeListener;
	import com.vaadin.event.ItemClickEvent;
	import com.vaadin.event.ItemClickEvent.ItemClickListener;
	import com.vaadin.event.ShortcutAction.KeyCode;
	import com.vaadin.ui.Alignment;
	import com.vaadin.ui.Button;
	import com.vaadin.ui.Button.ClickEvent;
	import com.vaadin.ui.Button.ClickListener;
	import com.vaadin.ui.TreeTable;
	import com.vaadin.ui.UI;
	import com.vaadin.ui.VerticalLayout;
	import com.vaadin.ui.Window;

	public class SelectWorkspacePoliciesWindow extends Window {
	@AutoGenerated
	private VerticalLayout mainLayout;

	@AutoGenerated
	private Button buttonSave;

	@AutoGenerated
	private TreeTable treeWorkspace;

	private static Log logger = LogFactory.getLog(SelectWorkspacePoliciesWindow.class);

	/- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} /

	/**
	*
	*/
	private static final long serialVersionUID = 1L;
	private final SelectWorkspacePoliciesWindow self = this;
	private GitRepositoryContainer treeContainer;
	private boolean isSaved = false;
	private StdPDPPolicy selectedPolicy = null;



	/**
	* The constructor should first build the main layout, set the
	* composition root and then do any custom initialization.
	*
	* The constructor will not be automatically regenerated by the
	* visual editor.
	*/
	public SelectWorkspacePoliciesWindow() {
	buildMainLayout();
	//setCompositionRoot(mainLayout);
	setContent(mainLayout);
	//
	// Shortcuts
	//
	this.setCloseShortcut(KeyCode.ESCAPE);
	this.buttonSave.setClickShortcut(KeyCode.ENTER);
	//
	//
	//
	this.initializeTree();
	this.initializeButton();
	//
	//
	//
	this.treeWorkspace.focus();
	}

	protected void initializeTree() {
	//
	// This is where the user's Git repository is located
	//
	final Path gitPath = ((XacmlAdminUI)UI.getCurrent()).getUserGitPath();
	//
	// Create our Git file system container
	//
	this.treeContainer = new GitRepositoryContainer(gitPath, gitPath.toFile());
	//
	// Create our own filter to filter out File extensions and
	// also the Git directory.
	//
	this.treeContainer.setFilter(new FilenameFilter() {

	@Override
	public boolean accept(File dir, String name) {
	//
	// We don't want any of the hidden files
	//
	if (name.startsWith(".git") \|\| name.equals(".DS_Store")) {
	return false;
	}
	//
	// We definitely want xml files
	//
	if (name.endsWith(".xml")) {
	return true;
	}
	//
	// We should test if its a directory, we want those
	// included.
	//
	Path path = Paths.get(dir.getAbsolutePath(), name);
	if (Files.isDirectory(path)) {
	return true;
	}
	logger.warn("Filtering out: " + path.toString());
	return false;
	}

	});
	//
	// Set TreeTables datasource as our git container
	//
	this.treeWorkspace.setContainerDataSource(this.treeContainer);
	//
	// Setup other properties etc.
	//
	this.treeWorkspace.setItemIconPropertyId("Icon");
	this.treeWorkspace.setVisibleColumns(new Object[]{"Name", "Version", "Size", "Last Modified", "Status"});
	this.treeWorkspace.setSizeFull();
	this.treeWorkspace.setSelectable(true);
	this.treeWorkspace.setEditable(false);
	//
	// Expand the first couple of directories
	//
	for (Object id : this.treeWorkspace.getItemIds()) {
	this.treeWorkspace.setCollapsed(id, false);
	for (Object child : this.treeWorkspace.getChildren(id)) {
	this.treeWorkspace.setCollapsed(child, false);
	}
	}
	//
	// Respond to table selections
	//
	this.treeWorkspace.addValueChangeListener(new ValueChangeListener() {
	private static final long serialVersionUID = 1L;

	@Override
	public void valueChange(ValueChangeEvent event) {
	if (self.treeWorkspace.getValue() != null) {
	self.buttonSave.setEnabled(true);
	} else {
	self.buttonSave.setEnabled(false);
	}
	}
	});
	//
	// Double-click events
	//
	this.treeWorkspace.addItemClickListener(new ItemClickListener() {
	private static final long serialVersionUID = 1L;

	@Override
	public void itemClick(ItemClickEvent event) {
	if (event.isDoubleClick()) {
	//
	// Save and close
	//
	self.doSave();
	}
	}
	});
	}

	protected void initializeButton() {
	this.buttonSave.addClickListener(new ClickListener() {
	private static final long serialVersionUID = 1L;

	@Override
	public void buttonClick(ClickEvent event) {
	assert treeWorkspace.getValue() != null;
	//
	// Save everything
	//
	self.doSave();
	}
	});
	}

	protected void doSave() {
	//
	// Get the current selection
	//
	FileItem selectedItem = (FileItem) this.treeWorkspace.getItem(this.treeWorkspace.getValue());
	//
	//
	//
	assert selectedItem != null;
	if (selectedItem == null) {
	return;
	}

	// create the id of the target file

	// Our standard for file naming is:
	// <domain>.<filename>.<version>.xml

	// since the file name usually has a ".xml", we need to strip that before adding the other parts
	String name = selectedItem.getName();
	String id = name;
	if (id.endsWith(".xml")) {
	id = id.substring(0, id.length() - 4);
	}

	// add on the version string

	String version = selectedItem.getVersion();
	id += "." + version;

	// put the .xml on the end
	id += ".xml";

	// tack on the domain in front. Do this one level at a time until we reach one of the roots


	File parentFile = selectedItem.getFile();
	while ((parentFile = (File) this.treeWorkspace.getParent(parentFile)) != null) {
	if (this.treeContainer.isRoot(parentFile)) {
	break;
	}
	id = parentFile.getName() + "." + id;
	}

	// Default policy to be Root policy; user can change to deferred later
	URI selectedURI = selectedItem.getFile().toURI();
	try {
	//
	// Create the policy
	//
	this.selectedPolicy = new StdPDPPolicy(id, true, name, selectedURI);
	//
	// Mark ourselves as saved
	//
	this.isSaved = true;
	} catch (IOException e) {
	logger.error("Unable to create policy '" + id + "': " + e.getMessage());
	AdminNotification.warn("Unable to create policy '" + id + "': " + e.getMessage());
	}

	//
	// Close the window
	//
	this.close();
	}

	public boolean isSaved() {
	return this.isSaved;
	}

	public StdPDPPolicy getSelectedPolicy() {
	return this.selectedPolicy;
	}


	@AutoGenerated
	private VerticalLayout buildMainLayout() {
	// common part: create layout
	mainLayout = new VerticalLayout();
	mainLayout.setImmediate(false);
	mainLayout.setWidth("-1px");
	mainLayout.setHeight("-1px");
	mainLayout.setMargin(true);
	mainLayout.setSpacing(true);

	// top-level component properties
	setWidth("-1px");
	setHeight("-1px");

	// treeWorkspace
	treeWorkspace = new TreeTable();
	treeWorkspace.setCaption("Select Policy(s) for PDP Group");
	treeWorkspace.setImmediate(true);
	treeWorkspace.setWidth("100.0%");
	treeWorkspace.setHeight("-1px");
	mainLayout.addComponent(treeWorkspace);

	// buttonSave
	buttonSave = new Button();
	buttonSave.setCaption("Save");
	buttonSave.setImmediate(false);
	buttonSave.setWidth("-1px");
	buttonSave.setHeight("-1px");
	mainLayout.addComponent(buttonSave);
	mainLayout.setComponentAlignment(buttonSave, new Alignment(48));

	return mainLayout;
	}






	}