| /* |
| * Copyright (c) 2007, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| package com.sun.enterprise.v3.services.impl; |
| |
| import java.nio.ByteBuffer; |
| |
| import org.glassfish.grizzly.http.util.Ascii; |
| |
| /** |
| * Utility class for parsing ByteBuffer |
| * @author Jeanfrancois |
| */ |
| public class HttpUtils { |
| |
| |
| private final static String CSS = |
| "H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} " + |
| "H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} " + |
| "H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} " + |
| "BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} " + |
| "B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} " + |
| "P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}" + |
| "A {color : black;}" + |
| "HR {color : #525D76;}"; |
| |
| /** |
| * Specialized utility method: find a sequence of lower case bytes inside |
| * a {@link ByteBuffer}. |
| */ |
| public static int findBytes(ByteBuffer byteBuffer, byte[] b) { |
| int curPosition = byteBuffer.position(); |
| int curLimit = byteBuffer.limit(); |
| |
| if (byteBuffer.position() == 0){ |
| throw new IllegalStateException("Invalid state"); |
| } |
| |
| byteBuffer.position(0); |
| byteBuffer.limit(curPosition); |
| try { |
| byte first = b[0]; |
| int start = 0; |
| int end = curPosition; |
| |
| // Look for first char |
| int srcEnd = b.length; |
| |
| for (int i = start; i <= (end - srcEnd); i++) { |
| if (Ascii.toLower(byteBuffer.get(i)) != first) continue; |
| // found first char, now look for a match |
| int myPos = i+1; |
| for (int srcPos = 1; srcPos < srcEnd; ) { |
| if (Ascii.toLower(byteBuffer.get(myPos++)) != b[srcPos++]) |
| break; |
| if (srcPos == srcEnd) return i - start; // found it |
| } |
| } |
| return -1; |
| } finally { |
| byteBuffer.limit(curLimit); |
| byteBuffer.position(curPosition); |
| } |
| } |
| |
| public static String getErrorPage(String serverName, String message, String errorCode) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" "); |
| sb.append("\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">"); |
| sb.append("<html xmlns=\"http://www.w3.org/1999/xhtml\"><head><title>GlassFish v4 - Error report</title><style type=\""); |
| sb.append("text/css\"><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;}"); |
| sb.append(" H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;}"); |
| sb.append(" H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;}"); |
| sb.append(" BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} "); |
| sb.append(" B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P"); |
| sb.append("{font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A"); |
| sb.append(" {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status "); |
| sb.append(errorCode).append(" - "); |
| sb.append("</h1><hr/><p><b>type</b> Status report</p><p><b>message</b></p><p><b>description</b>"); |
| sb.append(message).append("</p><hr/><h3>"); |
| sb.append(serverName).append("</h3></body></html>"); |
| return sb.toString(); |
| } |
| |
| } |
| |
