| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==================================================================== */ |
| package org.apache.poi.poifs.storage; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.util.Arrays; |
| |
| import org.apache.poi.util.HexDump; |
| import org.apache.poi.util.HexRead; |
| |
| /** |
| * Test utility class.<br/> |
| * |
| * Creates raw <code>byte[]</code> data from hex-dump String arrays. |
| * |
| * @author Josh Micich |
| */ |
| public final class RawDataUtil { |
| |
| public static byte[] decode(String[] hexDataLines) { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(hexDataLines.length * 32 + 32); |
| |
| for (int i = 0; i < hexDataLines.length; i++) { |
| byte[] lineData = HexRead.readFromString(hexDataLines[i]); |
| baos.write(lineData, 0, lineData.length); |
| } |
| return baos.toByteArray(); |
| } |
| |
| /** |
| * Development time utility method.<br/> |
| * Transforms a byte array into hex-dump String lines in java source code format. |
| */ |
| public static void dumpData(byte[] data) { |
| int i=0; |
| System.out.println("String[] hexDataLines = {"); |
| System.out.print("\t\""); |
| while(true) { |
| System.out.print(HexDump.byteToHex(data[i]).substring(2)); |
| i++; |
| if (i>=data.length) { |
| break; |
| } |
| if (i % 32 == 0) { |
| System.out.println("\","); |
| System.out.print("\t\""); |
| } else { |
| System.out.print(" "); |
| } |
| } |
| System.out.println("\","); |
| System.out.println("};"); |
| } |
| |
| /** |
| * Development time utility method.<br/> |
| * Confirms that the specified byte array is equivalent to the hex-dump String lines. |
| */ |
| public static void confirmEqual(byte[] expected, String[] hexDataLines) { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(hexDataLines.length * 32 + 32); |
| |
| for (int i = 0; i < hexDataLines.length; i++) { |
| byte[] lineData = HexRead.readFromString(hexDataLines[i]); |
| baos.write(lineData, 0, lineData.length); |
| } |
| if (!Arrays.equals(expected, baos.toByteArray())) { |
| throw new RuntimeException("different"); |
| } |
| } |
| } |