| /******************************************************************************* |
| * Copyright (c) 2011, 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.utils; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.io.Reader; |
| import java.io.StringWriter; |
| import java.io.Writer; |
| import java.nio.charset.StandardCharsets; |
| |
| public class Utils { |
| |
| public static final String SERVICE_CONTEXT = "/vs/service"; //$NON-NLS-1$ |
| |
| public static final String RETURN_TYPE = "returnType"; //$NON-NLS-1$ |
| public static final String NO_CATEGORY = "noCategory"; //$NON-NLS-1$ |
| |
| // returnType values: xml (default) | json |
| public static final String XML = "xml"; //$NON-NLS-1$ |
| public static final String JSON = "json"; //$NON-NLS-1$ |
| public static final String HTML = "html"; //$NON-NLS-1$ |
| |
| // Constants for About service |
| public static final long AGENT = 1L; |
| public static final long PREFERENCE = 2L; |
| public static final long ABOUT_PLUGIN = 3L; |
| |
| public static String convertStreamToString(InputStream is) |
| throws IOException { |
| if (is != null) { |
| Writer writer = new StringWriter(); |
| char[] buffer = new char[1024]; |
| try { |
| Reader reader = new BufferedReader( |
| new InputStreamReader(is, StandardCharsets.UTF_8)); |
| int n; |
| while ((n = reader.read(buffer)) != -1) { |
| writer.write(buffer, 0, n); |
| } |
| } finally { |
| is.close(); |
| } |
| return writer.toString(); |
| } else { |
| return ""; //$NON-NLS-1$ |
| } |
| } |
| |
| public static void transferContent(InputStream inputStream, OutputStream out) |
| throws IOException { |
| try { |
| // Prepare the input stream for reading |
| BufferedInputStream dataStream = new BufferedInputStream( |
| inputStream); |
| |
| // Create a fixed sized buffer for reading. |
| // We could create one with the size of available data... |
| byte[] buffer = new byte[4096]; |
| int len = 0; |
| while (true) { |
| len = dataStream.read(buffer); // Read file into the byte array |
| if (len == -1) |
| break; |
| out.write(buffer, 0, len); |
| } |
| } catch (Exception e) { |
| } |
| } |
| |
| public static String updateResponse(String response) { |
| response = removeString(response, "advanced/synchWithToc.js"); //$NON-NLS-1$ |
| response = removeString(response, "index.jsp"); //$NON-NLS-1$ |
| return response; |
| } |
| |
| private static String removeString(String response, String remove) { |
| StringBuffer buff = new StringBuffer(response); |
| int index = buff.indexOf(remove); |
| if (index > -1) { |
| int start = buff.lastIndexOf("<script", index); //$NON-NLS-1$ |
| int end = buff.indexOf("</script>", index); //$NON-NLS-1$ |
| if (start > -1 && end > -1 && start < end) { |
| buff.delete(start, end + "</script>".length()); //$NON-NLS-1$ |
| } |
| } |
| return buff.toString(); |
| } |
| |
| } |