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/*******************************************************************************
* Copyright (c) 2009, 2016 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.help.internal.webapp.servlet;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.preferences.DefaultScope;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.help.internal.webapp.WebappResources;
import org.eclipse.help.internal.webapp.data.UrlUtil;
import org.osgi.service.prefs.BackingStoreException;
/**
* Used by the about.html page to display help system preferences
*/
public class PreferenceWriter {
private StringBuffer buf;
private Locale locale;
private boolean isXML;
public PreferenceWriter(StringBuffer buf, Locale locale) {
this(buf, locale, false);
}
public PreferenceWriter(StringBuffer buf, Locale locale, boolean isXML) {
this.buf = buf;
this.locale = locale;
this.isXML = isXML;
}
public void writePreferences() {
writePreference("org.eclipse.help"); //$NON-NLS-1$
writePreference("org.eclipse.help.base"); //$NON-NLS-1$
}
private void writePreference(String plugin) {
try {
IEclipsePreferences prefs = InstanceScope.INSTANCE.getNode(plugin);
Set<String> keySet = new HashSet<>();
prefs = DefaultScope.INSTANCE.getNode(plugin);
keySet.addAll(Arrays.asList(prefs.keys()));
String[] allKeys = keySet.toArray(new String[keySet.size()]);
if (allKeys.length > 0) {
Arrays.sort(allKeys);
if (!isXML) {
buf.append("\n<h3>"); //$NON-NLS-1$
buf.append(plugin);
buf.append("</h3>\n"); //$NON-NLS-1$
buf.append("<table>"); //$NON-NLS-1$
} else {
buf.append("\n <plugin\n title=\""); //$NON-NLS-1$
buf.append(XMLGenerator.xmlEscape(plugin));
buf.append("\">"); //$NON-NLS-1$
}
for (String key : allKeys) {
String value = Platform.getPreferencesService().getString
(plugin, key, "", null); //$NON-NLS-1$
if (!isXML) {
buf.append("\n <tr>\n"); //$NON-NLS-1$
buf.append(" <td>"); //$NON-NLS-1$
buf.append(UrlUtil.htmlEncode(key));
buf.append("</td>\n <td>"); //$NON-NLS-1$
buf.append(UrlUtil.htmlEncode(value));
buf.append("</td>\n </tr>"); //$NON-NLS-1$
} else {
buf.append("\n <"); //$NON-NLS-1$
buf.append(key);
buf.append(">"); //$NON-NLS-1$
buf.append(value);
buf.append("</"); //$NON-NLS-1$
buf.append(key);
buf.append(">"); //$NON-NLS-1$
}
}
if (!isXML) {
buf.append("\n</table>"); //$NON-NLS-1$
} else {
buf.append("\n </plugin>"); //$NON-NLS-1$
}
}
} catch (BackingStoreException e) {
buf.append(WebappResources.getString("badPreferences", locale)); //$NON-NLS-1$
}
}
}
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