update/org.eclipse.update.ui/src/org/eclipse/update/internal/ui/model/BookmarkUtil.java - platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2007 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.update.internal.ui.model;

 import java.io.*;
 import java.net.*;
 import java.util.ArrayList;
 import java.util.StringTokenizer;
 import java.util.Vector;

 import javax.xml.parsers.*;

 import org.eclipse.core.runtime.*;
 import org.eclipse.update.internal.core.*;
 import org.eclipse.update.internal.ui.*;
 import org.w3c.dom.*;
 import org.xml.sax.*;

 public class BookmarkUtil {
 	private static final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();

 	public static void parse(String fileName, Vector bookmarks) {
 		File file = new File(fileName);
 		if (!file.exists())
 			return;

 		try {
 			documentBuilderFactory.setNamespaceAware(true);
 			DocumentBuilder parser = documentBuilderFactory.newDocumentBuilder();
 			Document doc = parser.parse(file);
 			Node root = doc.getDocumentElement();
 			processRoot(root, bookmarks);
 		} catch (ParserConfigurationException e) {
 			UpdateUI.logException(e);
 		} catch (SAXException e) {
 			UpdateUI.logException(e);
 		} catch (IOException e) {
 			UpdateUI.logException(e);
 		}
 	}

 	public static SiteBookmark[] getBookmarks(Vector bookmarks) {
 		ArrayList result = new ArrayList();
 		for (int i = 0; i < bookmarks.size(); i++) {
 			processEntry(bookmarks.get(i), result);
 		}
 		return (SiteBookmark[]) result.toArray(new SiteBookmark[result.size()]);
 	}

 	public static BookmarkFolder getFolder(Vector bookmarks, IPath path) {
 		NamedModelObject object = find(bookmarks, path);
 		if (object != null && object instanceof BookmarkFolder)
 			return (BookmarkFolder) object;
 		return null;
 	}

 	public static NamedModelObject find(Vector bookmarks, IPath path) {
 		Object[] array = bookmarks.toArray();
 		return find(array, path);
 	}

 	private static NamedModelObject find(Object[] array, IPath path) {
 		String name = path.segment(0);
 		for (int i = 0; i < array.length; i++) {
 			NamedModelObject obj = (NamedModelObject) array[i];
 			if (obj.getName().equals(name)) {
 				if (obj instanceof BookmarkFolder) {
 					if (path.segmentCount() > 1) {
 						IPath childPath = path.removeFirstSegments(1);
 						BookmarkFolder folder = (BookmarkFolder) obj;
 						return find(folder.getChildren(null), childPath);
 					}
 				}
 				return obj;
 			}
 		}
 		return null;
 	}

 	private static void processRoot(Node root, Vector bookmarks) {
 		if (root.getNodeName().equals("bookmarks")) { //$NON-NLS-1$
 			NodeList children = root.getChildNodes();
 			processChildren(children, null, bookmarks);
 		}
 	}
 	private static void processChildren(
 		NodeList children,
 		BookmarkFolder folder,
 		Vector bookmarks) {
 		UpdateModel model = UpdateUI.getDefault().getUpdateModel();
 		for (int i = 0; i < children.getLength(); i++) {
 			Node child = children.item(i);
 			NamedModelObject object = null;
 			if (child.getNodeType() == Node.ELEMENT_NODE) {
 				if (child.getNodeName().equals("site")) { //$NON-NLS-1$
 					object = createSite(child);
 				} else if (child.getNodeName().equals("folder")) { //$NON-NLS-1$
 					object = createFolder(child);
 				}
 			}
 			if (object != null) {
 				if (folder != null) {
 					folder.addChild(object);
 				} else {
 					bookmarks.add(object);
 				}
 				object.setModel(model);
 			}
 		}
 	}

 	private static SiteBookmark createSite(Node child) {
 		String name = getAttribute(child, "name"); //$NON-NLS-1$
 		URL url = null;
 		try {
 			url = new URL(getAttribute(child, "url")); //$NON-NLS-1$
 		} catch (MalformedURLException e) {
 		}

 		String web = getAttribute(child, "web"); //$NON-NLS-1$
 		boolean webBookmark = (web != null && web.equals("true")); //$NON-NLS-1$

 		String sel = getAttribute(child, "selected"); //$NON-NLS-1$
 		boolean selected = (sel != null && sel.equals("true")); //$NON-NLS-1$

 		SiteBookmark bookmark = new SiteBookmark(name, url, webBookmark, selected);

 		String local = getAttribute(child, "local"); //$NON-NLS-1$
 		bookmark.setLocal(local != null && local.equals("true")); //$NON-NLS-1$

 		String ign = getAttribute(child, "ignored-categories"); //$NON-NLS-1$
 		if (ign != null) {
 			StringTokenizer stok = new StringTokenizer(ign, ","); //$NON-NLS-1$
 			ArrayList array = new ArrayList();
 			while (stok.hasMoreTokens()) {
 				String tok = stok.nextToken();
 				array.add(tok);
 			}
 			bookmark.setIgnoredCategories((String[]) array.toArray(new String[array.size()]));
 		}
 		// read description
 		NodeList children = child.getChildNodes();
 		for (int i = 0; i < children.getLength(); i++) {
 			Node node = children.item(i);
 			if (node.getNodeType() == Node.ELEMENT_NODE) {
 				bookmark.setDescription(createDescription(node));
 				break;
 			}
 		}
 		return bookmark;
 	}

 	private static String createDescription(Node child) {
 		String description = ""; //$NON-NLS-1$
 		NodeList children = child.getChildNodes();
 		for (int i = 0; i < children.getLength(); i++) {
 			Node node = children.item(i);
 			if (node.getNodeType() == Node.TEXT_NODE)
 				description += node.getNodeValue();
 		}
 		return description;
 	}


 	private static BookmarkFolder createFolder(Node child) {
 		BookmarkFolder folder = new BookmarkFolder();
 		String name = getAttribute(child, "name"); //$NON-NLS-1$
 		folder.setName(name);
 		if (child.hasChildNodes())
 			processChildren(child.getChildNodes(), folder, null);
 		return folder;
 	}

 	public static void store(String fileName, Vector bookmarks) {
 		FileOutputStream fos = null;
 		OutputStreamWriter osw = null;
 		PrintWriter writer = null;
 		try {
 			fos = new FileOutputStream(fileName);
 			osw = new OutputStreamWriter(fos, "UTF8"); //$NON-NLS-1$
 			writer = new PrintWriter(osw);
 			writer.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); //$NON-NLS-1$
 			writer.println("<bookmarks>"); //$NON-NLS-1$
 			for (int i = 0; i < bookmarks.size(); i++) {
 				Object obj = bookmarks.get(i);
 				writeObject("   ", obj, writer); //$NON-NLS-1$
 			}
 		} catch (IOException e) {
 			UpdateUI.logException(e, false);
 		} finally {
 			writer.println("</bookmarks>"); //$NON-NLS-1$
 			writer.flush();
 			writer.close();
 			try {
 				if (osw != null)
 					osw.close();
 			} catch (IOException e1) {
 				UpdateUI.logException(e1, false);
 			}
 			try {
 				if (fos != null)
 					fos.close();
 			} catch (IOException e2) {
 				UpdateUI.logException(e2, false);
 			}
 		}
 	}
 	private static void writeObject(
 		String indent,
 		Object obj,
 		PrintWriter writer) {
 		if (obj instanceof SiteBookmark) {
 			SiteBookmark bookmark = (SiteBookmark) obj;
 			String name = bookmark.getName();
 			String url = bookmark.getURL().toString();
 			String web = bookmark.isWebBookmark()?"true":"false"; //$NON-NLS-1$ //$NON-NLS-2$
 			String sel = bookmark.isSelected()?"true":"false"; //$NON-NLS-1$ //$NON-NLS-2$
 			String local = bookmark.isLocal() ? "true" : "false"; //$NON-NLS-1$ //$NON-NLS-2$
 			String [] ign = bookmark.getIgnoredCategories();
 			StringBuffer wign = new StringBuffer();
 			for (int i = 0; i < ign.length; i++) {
 				if (i > 0)
 					wign.append(',');
 				wign.append(ign[i]);
 			}
 			writer.print(indent + "<site name=\"" + UpdateManagerUtils.getWritableXMLString(name) + "\" url=\"" + url + "\" web=\"" + web + "\" selected=\"" + sel + "\" local=\"" + local + "\""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$
 			if (wign.length() > 0)
 				writer.print(" ignored-categories=\""+wign.toString()+"\""); //$NON-NLS-1$ //$NON-NLS-2$
 			if (bookmark.getDescription() != null) {
 				writer.println(">"); //$NON-NLS-1$
 				writer.print(indent+"  <description>"); //$NON-NLS-1$
 				writer.print(UpdateManagerUtils.getWritableXMLString(bookmark.getDescription()));
 				writer.println("</description>"); //$NON-NLS-1$
 				writer.println(indent +"</site>"); //$NON-NLS-1$
 			} else {
 				writer.println("/>"); //$NON-NLS-1$
 			}
 		} else if (obj instanceof BookmarkFolder) {
 			BookmarkFolder folder = (BookmarkFolder) obj;
 			String name = folder.getName();
 			writer.println(indent + "<folder name=\"" + UpdateManagerUtils.getWritableXMLString(name) + "\">"); //$NON-NLS-1$ //$NON-NLS-2$
 			Object[] children = folder.getChildren(folder);
 			String indent2 = indent + "   "; //$NON-NLS-1$
 			for (int i = 0; i < children.length; i++) {
 				writeObject(indent2, children[i], writer);
 			}
 			writer.println(indent + "</folder>"); //$NON-NLS-1$
 		}
 	}

 	private static String getAttribute(Node node, String name) {
 		NamedNodeMap atts = node.getAttributes();
 		Node att = atts.getNamedItem(name);
 		if (att != null) {
 			return att.getNodeValue();
 		}
 		return ""; //$NON-NLS-1$
 	}
 	private static void processFolder(BookmarkFolder folder, ArrayList result) {
 		Object[] children = folder.getChildren(folder);
 		for (int i = 0; i < children.length; i++) {
 			processEntry(children[i], result);
 		}
 	}
 	private static void processEntry(Object obj, ArrayList result) {
 		if (obj instanceof SiteBookmark)
 			result.add(obj);
 		else if (obj instanceof BookmarkFolder) {
 			processFolder((BookmarkFolder) obj, result);
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2007 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.update.internal.ui.model;

	import java.io.*;
	import java.net.*;
	import java.util.ArrayList;
	import java.util.StringTokenizer;
	import java.util.Vector;

	import javax.xml.parsers.*;

	import org.eclipse.core.runtime.*;
	import org.eclipse.update.internal.core.*;
	import org.eclipse.update.internal.ui.*;
	import org.w3c.dom.*;
	import org.xml.sax.*;

	public class BookmarkUtil {
	private static final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();

	public static void parse(String fileName, Vector bookmarks) {
	File file = new File(fileName);
	if (!file.exists())
	return;

	try {
	documentBuilderFactory.setNamespaceAware(true);
	DocumentBuilder parser = documentBuilderFactory.newDocumentBuilder();
	Document doc = parser.parse(file);
	Node root = doc.getDocumentElement();
	processRoot(root, bookmarks);
	} catch (ParserConfigurationException e) {
	UpdateUI.logException(e);
	} catch (SAXException e) {
	UpdateUI.logException(e);
	} catch (IOException e) {
	UpdateUI.logException(e);
	}
	}

	public static SiteBookmark[] getBookmarks(Vector bookmarks) {
	ArrayList result = new ArrayList();
	for (int i = 0; i < bookmarks.size(); i++) {
	processEntry(bookmarks.get(i), result);
	}
	return (SiteBookmark[]) result.toArray(new SiteBookmark[result.size()]);
	}

	public static BookmarkFolder getFolder(Vector bookmarks, IPath path) {
	NamedModelObject object = find(bookmarks, path);
	if (object != null && object instanceof BookmarkFolder)
	return (BookmarkFolder) object;
	return null;
	}

	public static NamedModelObject find(Vector bookmarks, IPath path) {
	Object[] array = bookmarks.toArray();
	return find(array, path);
	}

	private static NamedModelObject find(Object[] array, IPath path) {
	String name = path.segment(0);
	for (int i = 0; i < array.length; i++) {
	NamedModelObject obj = (NamedModelObject) array[i];
	if (obj.getName().equals(name)) {
	if (obj instanceof BookmarkFolder) {
	if (path.segmentCount() > 1) {
	IPath childPath = path.removeFirstSegments(1);
	BookmarkFolder folder = (BookmarkFolder) obj;
	return find(folder.getChildren(null), childPath);
	}
	}
	return obj;
	}
	}
	return null;
	}

	private static void processRoot(Node root, Vector bookmarks) {
	if (root.getNodeName().equals("bookmarks")) { //$NON-NLS-1$
	NodeList children = root.getChildNodes();
	processChildren(children, null, bookmarks);
	}
	}
	private static void processChildren(
	NodeList children,
	BookmarkFolder folder,
	Vector bookmarks) {
	UpdateModel model = UpdateUI.getDefault().getUpdateModel();
	for (int i = 0; i < children.getLength(); i++) {
	Node child = children.item(i);
	NamedModelObject object = null;
	if (child.getNodeType() == Node.ELEMENT_NODE) {
	if (child.getNodeName().equals("site")) { //$NON-NLS-1$
	object = createSite(child);
	} else if (child.getNodeName().equals("folder")) { //$NON-NLS-1$
	object = createFolder(child);
	}
	}
	if (object != null) {
	if (folder != null) {
	folder.addChild(object);
	} else {
	bookmarks.add(object);
	}
	object.setModel(model);
	}
	}
	}

	private static SiteBookmark createSite(Node child) {
	String name = getAttribute(child, "name"); //$NON-NLS-1$
	URL url = null;
	try {
	url = new URL(getAttribute(child, "url")); //$NON-NLS-1$
	} catch (MalformedURLException e) {
	}

	String web = getAttribute(child, "web"); //$NON-NLS-1$
	boolean webBookmark = (web != null && web.equals("true")); //$NON-NLS-1$

	String sel = getAttribute(child, "selected"); //$NON-NLS-1$
	boolean selected = (sel != null && sel.equals("true")); //$NON-NLS-1$

	SiteBookmark bookmark = new SiteBookmark(name, url, webBookmark, selected);

	String local = getAttribute(child, "local"); //$NON-NLS-1$
	bookmark.setLocal(local != null && local.equals("true")); //$NON-NLS-1$

	String ign = getAttribute(child, "ignored-categories"); //$NON-NLS-1$
	if (ign != null) {
	StringTokenizer stok = new StringTokenizer(ign, ","); //$NON-NLS-1$
	ArrayList array = new ArrayList();
	while (stok.hasMoreTokens()) {
	String tok = stok.nextToken();
	array.add(tok);
	}
	bookmark.setIgnoredCategories((String[]) array.toArray(new String[array.size()]));
	}
	// read description
	NodeList children = child.getChildNodes();
	for (int i = 0; i < children.getLength(); i++) {
	Node node = children.item(i);
	if (node.getNodeType() == Node.ELEMENT_NODE) {
	bookmark.setDescription(createDescription(node));
	break;
	}
	}
	return bookmark;
	}

	private static String createDescription(Node child) {
	String description = ""; //$NON-NLS-1$
	NodeList children = child.getChildNodes();
	for (int i = 0; i < children.getLength(); i++) {
	Node node = children.item(i);
	if (node.getNodeType() == Node.TEXT_NODE)
	description += node.getNodeValue();
	}
	return description;
	}


	private static BookmarkFolder createFolder(Node child) {
	BookmarkFolder folder = new BookmarkFolder();
	String name = getAttribute(child, "name"); //$NON-NLS-1$
	folder.setName(name);
	if (child.hasChildNodes())
	processChildren(child.getChildNodes(), folder, null);
	return folder;
	}

	public static void store(String fileName, Vector bookmarks) {
	FileOutputStream fos = null;
	OutputStreamWriter osw = null;
	PrintWriter writer = null;
	try {
	fos = new FileOutputStream(fileName);
	osw = new OutputStreamWriter(fos, "UTF8"); //$NON-NLS-1$
	writer = new PrintWriter(osw);
	writer.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); //$NON-NLS-1$
	writer.println("<bookmarks>"); //$NON-NLS-1$
	for (int i = 0; i < bookmarks.size(); i++) {
	Object obj = bookmarks.get(i);
	writeObject(" ", obj, writer); //$NON-NLS-1$
	}
	} catch (IOException e) {
	UpdateUI.logException(e, false);
	} finally {
	writer.println("</bookmarks>"); //$NON-NLS-1$
	writer.flush();
	writer.close();
	try {
	if (osw != null)
	osw.close();
	} catch (IOException e1) {
	UpdateUI.logException(e1, false);
	}
	try {
	if (fos != null)
	fos.close();
	} catch (IOException e2) {
	UpdateUI.logException(e2, false);
	}
	}
	}
	private static void writeObject(
	String indent,
	Object obj,
	PrintWriter writer) {
	if (obj instanceof SiteBookmark) {
	SiteBookmark bookmark = (SiteBookmark) obj;
	String name = bookmark.getName();
	String url = bookmark.getURL().toString();
	String web = bookmark.isWebBookmark()?"true":"false"; //$NON-NLS-1$ //$NON-NLS-2$
	String sel = bookmark.isSelected()?"true":"false"; //$NON-NLS-1$ //$NON-NLS-2$
	String local = bookmark.isLocal() ? "true" : "false"; //$NON-NLS-1$ //$NON-NLS-2$
	String [] ign = bookmark.getIgnoredCategories();
	StringBuffer wign = new StringBuffer();
	for (int i = 0; i < ign.length; i++) {
	if (i > 0)
	wign.append(',');
	wign.append(ign[i]);
	}
	writer.print(indent + "<site name=\"" + UpdateManagerUtils.getWritableXMLString(name) + "\" url=\"" + url + "\" web=\"" + web + "\" selected=\"" + sel + "\" local=\"" + local + "\""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$
	if (wign.length() > 0)
	writer.print(" ignored-categories=\""+wign.toString()+"\""); //$NON-NLS-1$ //$NON-NLS-2$
	if (bookmark.getDescription() != null) {
	writer.println(">"); //$NON-NLS-1$
	writer.print(indent+" <description>"); //$NON-NLS-1$
	writer.print(UpdateManagerUtils.getWritableXMLString(bookmark.getDescription()));
	writer.println("</description>"); //$NON-NLS-1$
	writer.println(indent +"</site>"); //$NON-NLS-1$
	} else {
	writer.println("/>"); //$NON-NLS-1$
	}
	} else if (obj instanceof BookmarkFolder) {
	BookmarkFolder folder = (BookmarkFolder) obj;
	String name = folder.getName();
	writer.println(indent + "<folder name=\"" + UpdateManagerUtils.getWritableXMLString(name) + "\">"); //$NON-NLS-1$ //$NON-NLS-2$
	Object[] children = folder.getChildren(folder);
	String indent2 = indent + " "; //$NON-NLS-1$
	for (int i = 0; i < children.length; i++) {
	writeObject(indent2, children[i], writer);
	}
	writer.println(indent + "</folder>"); //$NON-NLS-1$
	}
	}

	private static String getAttribute(Node node, String name) {
	NamedNodeMap atts = node.getAttributes();
	Node att = atts.getNamedItem(name);
	if (att != null) {
	return att.getNodeValue();
	}
	return ""; //$NON-NLS-1$
	}
	private static void processFolder(BookmarkFolder folder, ArrayList result) {
	Object[] children = folder.getChildren(folder);
	for (int i = 0; i < children.length; i++) {
	processEntry(children[i], result);
	}
	}
	private static void processEntry(Object obj, ArrayList result) {
	if (obj instanceof SiteBookmark)
	result.add(obj);
	else if (obj instanceof BookmarkFolder) {
	processFolder((BookmarkFolder) obj, result);
	}
	}
	}