| /******************************************************************************* |
| * Copyright (c) 2007, 2008 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: |
| * Hisashi MIYASHITA - initial API and implementation |
| * Kentarou FUKUDA - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.actf.model.flash.bridge.proxy; |
| |
| import java.io.IOException; |
| import java.io.PushbackInputStream; |
| |
| import org.eclipse.actf.util.httpproxy.core.IHTTPHeader; |
| import org.eclipse.actf.util.httpproxy.core.IHTTPResponseMessage; |
| |
| |
| |
| |
| public class SWFUtil { |
| // private final byte[] CT_SHOCKWAVE_FLASH = |
| // "application/x-shockwave-flash".getBytes(); |
| static private final byte[] CT_IMAGE = "image".getBytes(); |
| static private final byte[] CT_VIDEO = "video".getBytes(); |
| |
| static public final byte[] X_FLASH_VERSION_A = "x-flash-version".getBytes(); |
| static public final byte[] MIME_TYPE_APPLICATION_X_SHOCKWAVE_FLASH_A = "application/x-shockwave-flash".getBytes(); |
| static public final byte[] MIME_TYPE_APPLICATION_X_WWW_FORM_URLENCODED_A = "application/x-www-form-urlencoded".getBytes(); |
| |
| public static final String BRIDGE_INIT_SWF_FILENAME = "Eclipse-ACTF-SWF-Initialize-Bridge-Package-1082017309130187472.swf"; |
| public static final String LOADVARS_PROPERTY_FILENAME = "Eclipse-ACTF-SWF-LoadVars-1082017309130187472.txt"; |
| |
| static public final int FLASH_MAGIC_NUMBER_SIZE = 4; |
| |
| public static boolean isContentTypeEqual(byte[] ct, byte[] type) { |
| if (ct.length < type.length) |
| return false; |
| int i; |
| for (i = 0; i < type.length; i++) { |
| if (ct[i] != type[i]) |
| return false; |
| } |
| if ((ct[i] == '/') || (ct.length == type.length)) |
| return true; |
| return false; |
| } |
| |
| public static boolean isPossiblySWFContentType(IHTTPResponseMessage response) { |
| IHTTPHeader contentTypeH = response.getHeader(IHTTPHeader.CONTENT_TYPE_A); |
| if (contentTypeH != null) { |
| byte[] ct = contentTypeH.getValue(); |
| if (isContentTypeEqual(ct, CT_IMAGE)) return false; |
| if (isContentTypeEqual(ct, CT_VIDEO)) return false; |
| } |
| return true; |
| } |
| |
| static public int isSWF(PushbackInputStream pbis) { |
| try { |
| byte[] magicNumber = new byte[FLASH_MAGIC_NUMBER_SIZE]; |
| int returnValue = -1; |
| int size = pbis.read(magicNumber); |
| if (size < FLASH_MAGIC_NUMBER_SIZE) { |
| pbis.unread(magicNumber, 0, size); |
| return -1; |
| } |
| if (((magicNumber[0] == 'C') || (magicNumber[0] == 'F')) |
| && (magicNumber[1] == 'W') |
| && (magicNumber[2] == 'S')) { |
| returnValue = magicNumber[3]; |
| } |
| pbis.unread(magicNumber); |
| return returnValue; |
| } catch (IOException e) { |
| e.printStackTrace(); |
| return -1; |
| } |
| } |
| } |
| |