| /* ==================================================================== |
| 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.hssf.dev; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.apache.poi.hssf.record.ContinueRecord; |
| import org.apache.poi.hssf.record.Record; |
| import org.apache.poi.hssf.record.RecordFactory; |
| import org.apache.poi.hssf.record.RecordInputStream; |
| import org.apache.poi.poifs.filesystem.POIFSFileSystem; |
| |
| /** |
| * This is a low-level debugging class, which simply prints |
| * out what records come in what order. |
| * Most people will want to use {@link BiffViewer} or |
| * {@link EFBiffViewer}, but this can be handy when |
| * trying to make sense of {@link ContinueRecord} |
| * special cases. |
| * |
| * Output is of the form: |
| * SID - Length - Type (if known) |
| * byte0 byte1 byte2 byte3 .... byte(n-4) byte(n-3) byte(n-2) byte(n-1) |
| */ |
| public class RecordLister |
| { |
| String file; |
| |
| public RecordLister() |
| { |
| } |
| |
| public void run() throws IOException { |
| try (POIFSFileSystem fs = new POIFSFileSystem(new File(file), true); |
| InputStream din = BiffViewer.getPOIFSInputStream(fs)) { |
| RecordInputStream rinp = new RecordInputStream(din); |
| |
| while (rinp.hasNextRecord()) { |
| int sid = rinp.getNextSid(); |
| rinp.nextRecord(); |
| |
| int size = rinp.available(); |
| Class<? extends Record> clz = RecordFactory.getRecordClass(sid); |
| |
| System.out.print( |
| formatSID(sid) + |
| " - " + |
| formatSize(size) + |
| " bytes" |
| ); |
| if (clz != null) { |
| System.out.print(" \t"); |
| System.out.print(clz.getName().replace("org.apache.poi.hssf.record.", "")); |
| } |
| System.out.println(); |
| |
| byte[] data = rinp.readRemainder(); |
| if (data.length > 0) { |
| System.out.print(" "); |
| System.out.println(formatData(data)); |
| } |
| } |
| } |
| } |
| |
| private static String formatSID(int sid) { |
| String hex = Integer.toHexString(sid); |
| String dec = Integer.toString(sid); |
| |
| StringBuilder s = new StringBuilder(); |
| s.append("0x"); |
| for(int i=hex.length(); i<4; i++) { |
| s.append('0'); |
| } |
| s.append(hex); |
| |
| s.append(" ("); |
| for(int i=dec.length(); i<4; i++) { |
| s.append('0'); |
| } |
| s.append(dec); |
| s.append(")"); |
| |
| return s.toString(); |
| } |
| private static String formatSize(int size) { |
| String hex = Integer.toHexString(size); |
| String dec = Integer.toString(size); |
| |
| StringBuilder s = new StringBuilder(); |
| for(int i=hex.length(); i<3; i++) { |
| s.append('0'); |
| } |
| s.append(hex); |
| |
| s.append(" ("); |
| for(int i=dec.length(); i<3; i++) { |
| s.append('0'); |
| } |
| s.append(dec); |
| s.append(")"); |
| |
| return s.toString(); |
| } |
| private static String formatData(byte[] data) { |
| if(data == null || data.length == 0) |
| return ""; |
| |
| // If possible, do first 4 and last 4 bytes |
| StringBuilder s = new StringBuilder(); |
| if(data.length > 9) { |
| s.append(byteToHex(data[0])); |
| s.append(' '); |
| s.append(byteToHex(data[1])); |
| s.append(' '); |
| s.append(byteToHex(data[2])); |
| s.append(' '); |
| s.append(byteToHex(data[3])); |
| s.append(' '); |
| |
| s.append(" .... "); |
| |
| s.append(' '); |
| s.append(byteToHex(data[data.length-4])); |
| s.append(' '); |
| s.append(byteToHex(data[data.length-3])); |
| s.append(' '); |
| s.append(byteToHex(data[data.length-2])); |
| s.append(' '); |
| s.append(byteToHex(data[data.length-1])); |
| } else { |
| for (byte aData : data) { |
| s.append(byteToHex(aData)); |
| s.append(' '); |
| } |
| } |
| |
| return s.toString(); |
| } |
| private static String byteToHex(byte b) { |
| int i = b; |
| if(i<0) { |
| i += 256; |
| } |
| String s = Integer.toHexString(i); |
| if(i < 16) { |
| return "0" + s; |
| } |
| return s; |
| } |
| |
| public void setFile(String file) |
| { |
| this.file = file; |
| } |
| |
| public static void main(String [] args) throws IOException |
| { |
| if ((args.length == 1) && !args[ 0 ].equals("--help")) |
| { |
| RecordLister viewer = new RecordLister(); |
| |
| viewer.setFile(args[ 0 ]); |
| viewer.run(); |
| } |
| else |
| { |
| System.out.println("RecordLister"); |
| System.out.println( |
| "Outputs the summary of the records in file order"); |
| System.out |
| .println("usage: java org.apache.poi.hssf.dev.RecordLister " |
| + "filename"); |
| } |
| } |
| } |