| /******************************************************************************* |
| * Copyright (c) 2000, 2016 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.help.internal.webapp.servlet; |
| |
| import java.io.*; |
| import java.nio.charset.StandardCharsets; |
| |
| import org.eclipse.help.internal.base.util.*; |
| import org.eclipse.help.internal.webapp.*; |
| |
| /** |
| * Helper class to generate xml files. |
| */ |
| public class XMLGenerator { |
| private File outFile = null; |
| |
| private PrintWriter out = null; |
| |
| public int pad = 0; |
| |
| // XML escaped characters mapping |
| private static final String invalidXML[] = { "&", ">", "<", "\"", "\'" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ |
| |
| private static final String escapedXML[] = { |
| "&", ">", "<", """, "'" }; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ |
| |
| /** |
| * Constructor. |
| */ |
| public XMLGenerator(Writer writer) { |
| if (writer instanceof PrintWriter) |
| this.out = (PrintWriter) writer; |
| else |
| this.out = new PrintWriter(writer); |
| } |
| |
| /** |
| * Constructor. |
| */ |
| public XMLGenerator(File outFile) { |
| super(); |
| this.outFile = outFile; |
| try { |
| out = new PrintWriter(new BufferedWriter(new OutputStreamWriter( |
| new FileOutputStream(outFile), StandardCharsets.UTF_8)), |
| false /* no aotoFlush */ |
| ); |
| println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); //$NON-NLS-1$ |
| } catch (IOException ioe) { |
| HelpWebappPlugin.logError("Error accessing file: " //$NON-NLS-1$ |
| + outFile.getAbsolutePath() + "", ioe); //$NON-NLS-1$ |
| } |
| } |
| |
| // returns a String that is a valid XML string |
| // by XML escaping special characters |
| public static String xmlEscape(String cdata) { |
| for (int i = 0; i < invalidXML.length; i++) |
| cdata = TString.change(cdata, invalidXML[i], escapedXML[i]); |
| return cdata; |
| } |
| |
| public void close() { |
| out.flush(); |
| out.close(); |
| if (out.checkError()) |
| if (outFile != null) |
| HelpWebappPlugin.logError("Errors occurred generating file: " //$NON-NLS-1$ |
| + outFile.getAbsolutePath() + "", null); //$NON-NLS-1$ |
| out = null; |
| } |
| |
| public void print(Object o) { |
| if (out != null) |
| out.print(o); |
| } |
| |
| public void println(Object o) { |
| print(o); |
| print("\n"); //$NON-NLS-1$ |
| } |
| |
| public void printPad() { |
| for (int i = 0; i < pad; i++) |
| print(" "); //$NON-NLS-1$ |
| } |
| } |