123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218 |
- /*
- * 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.tools.anttasks;
-
- import java.io.BufferedInputStream;
- import java.io.File;
- import java.io.IOException;
- import java.io.PrintWriter;
- import java.text.DateFormat;
- import java.util.Date;
- import java.util.List;
- import java.util.StringTokenizer;
-
- import org.apache.commons.io.IOUtils;
- import org.apache.tools.ant.BuildException;
-
- /**
- * This class is an extension of Ant, a script utility from
- * http://ant.apache.org.
- * It provides methods to compare two files.
- */
-
- public class FileCompare {
-
- private String referenceDirectory;
- private String testDirectory;
- private String[] filenameList;
-
- /**
- * Sets directory for test files.
- * @param testDirectory the test directory
- */
- public void setTestDirectory(String testDirectory) {
- if (!(testDirectory.endsWith("/") || testDirectory.endsWith("\\"))) {
- testDirectory += File.separator;
- }
- this.testDirectory = testDirectory;
- }
-
- /**
- * Sets directory for reference files.
- * @param referenceDirectory the reference directory
- */
- public void setReferenceDirectory(String referenceDirectory) {
- if (!(referenceDirectory.endsWith("/")
- || referenceDirectory.endsWith("\\"))) {
- referenceDirectory += File.separator;
- }
- this.referenceDirectory = referenceDirectory;
- }
-
- /**
- * Sets the comma-separated list of files to process.
- * @param filenames list of files, comma-separated
- */
- public void setFilenames(String filenames) {
- StringTokenizer tokens = new StringTokenizer(filenames, ",");
- List filenameListTmp = new java.util.ArrayList(20);
- while (tokens.hasMoreTokens()) {
- filenameListTmp.add(tokens.nextToken());
- }
- filenameList = new String[filenameListTmp.size()];
- filenameList = (String[])filenameListTmp.toArray(new String[filenameListTmp.size()]);
- }
-
- /**
- * Compares two files to see if they are equal
- * @param f1 first file to compare
- * @param f2 second file to compare
- * @return true if files are same, false otherwise
- * @throws IOException if not caught
- */
- public static boolean compareFiles(File f1, File f2) throws IOException {
- return (compareFileSize(f1, f2) && compareBytes(f1, f2));
- }
-
- /**
- * Compare the contents of two files.
- * @param file1 the first file to compare
- * @param file2 the second file to compare
- * @return true if files are same byte-by-byte, false otherwise
- */
- private static boolean compareBytes(File file1, File file2) throws IOException {
- boolean same = true;
- BufferedInputStream file1Input
- = new BufferedInputStream(new java.io.FileInputStream(file1));
- BufferedInputStream file2Input
- = new BufferedInputStream(new java.io.FileInputStream(file2));
-
- int charact1 = 0;
- int charact2 = 0;
-
- while (charact1 != -1) {
- if (charact1 == charact2) {
- charact1 = file1Input.read();
- charact2 = file2Input.read();
- } else {
- same = false;
- break;
- }
- }
-
- IOUtils.closeQuietly(file1Input);
- IOUtils.closeQuietly(file2Input);
-
- return same;
- }
-
- /**
- * Does a file size compare of two files
- * @param oldFile the first file to compare
- * @param newFile the second file to compare
- * @return true if files are same length, false otherwise
- */
- private static boolean compareFileSize(File oldFile, File newFile) {
- return oldFile.length() == newFile.length();
- }
-
- private boolean filesExist(File oldFile, File newFile) {
- if (!oldFile.exists()) {
- System.err.println("Task Compare - ERROR: File "
- + referenceDirectory + oldFile.getName()
- + " doesn't exist!");
- return false;
- } else if (!newFile.exists()) {
- System.err.println("Task Compare - ERROR: File " + testDirectory
- + newFile.getName() + " doesn't exist!");
- return false;
- } else {
- return true;
- }
- }
-
- private void writeHeader(PrintWriter results) {
- String dateTime = DateFormat.getDateTimeInstance(DateFormat.MEDIUM,
- DateFormat.MEDIUM).format(new Date());
- results.println("<html><head><title>Test Results</title></head><body>\n");
- results.println("<h2>Compare Results<br>");
- results.println("<font size='1'>created " + dateTime
- + "</font></h2>");
- results.println("<table cellpadding='10' border='2'><thead>"
- + "<th align='center'>reference file</th>"
- + "<th align='center'>test file</th>"
- + "<th align='center'>identical?</th></thead>");
- }
-
- /**
- * Main method of task compare
- * @throws BuildException If the execution fails.
- */
- public void execute() throws BuildException {
- boolean identical = false;
- File oldFile;
- File newFile;
- try {
- PrintWriter results
- = new PrintWriter(new java.io.FileWriter("results.html"), true);
- this.writeHeader(results);
- for (String aFilenameList : filenameList) {
- oldFile = new File(referenceDirectory + aFilenameList);
- newFile = new File(testDirectory + aFilenameList);
- if (filesExist(oldFile, newFile)) {
- identical = compareFileSize(oldFile, newFile);
- if (identical) {
- identical = compareBytes(oldFile, newFile);
- }
- if (!identical) {
- System.out.println("Task Compare: \nFiles "
- + referenceDirectory
- + oldFile.getName() + " - "
- + testDirectory
- + newFile.getName()
- + " are *not* identical.");
- results.println("<tr><td><a href='"
- + referenceDirectory
- + oldFile.getName() + "'>"
- + oldFile.getName()
- + "</a> </td><td> <a href='"
- + testDirectory + newFile.getName()
- + "'>" + newFile.getName() + "</a>"
- + " </td><td><font color='red'>No</font></td></tr>");
- } else {
- results.println("<tr><td><a href='"
- + referenceDirectory
- + oldFile.getName() + "'>"
- + oldFile.getName()
- + "</a> </td><td> <a href='"
- + testDirectory + newFile.getName()
- + "'>" + newFile.getName() + "</a>"
- + " </td><td>Yes</td></tr>");
- }
- }
- }
- results.println("</table></html>");
- } catch (IOException ioe) {
- System.err.println("ERROR: " + ioe);
- }
- } // end: execute()
-
- }
|