List of usage examples for java.io RandomAccessFile write
public void write(byte b[]) throws IOException
From source file:org.movsim.MovsimCoreMainWithExperiments.java
private static void appendFiles(File src, File dst, boolean writeFirstLine) throws IOException { LineIterator lIter = FileUtils.lineIterator(src); RandomAccessFile rFile = new RandomAccessFile(dst, "rw"); rFile.seek(dst.length());/* www . j a va 2 s. co m*/ long lineCount = 1; while (lIter.hasNext()) { String line = lIter.next(); if (lineCount > 1 || writeFirstLine) { rFile.write((line + "\n").getBytes()); } lineCount++; } lIter.close(); rFile.close(); }
From source file:com.lightbox.android.bitmap.BitmapUtils.java
public static void writeBitmapInFile(File file, Bitmap bitmap, CompressFormat compressFormat, StringBuilder outMD5) throws IOException { // Ensure that the directory exist file.getParentFile().mkdirs();//from w w w . jav a 2 s. c o m OutputStream outputStream = null; try { if (outMD5 != null) { // We want a MD5: writing JPEG into a byte array outputStream = new ByteArrayOutputStream(); } else { // Directly write to file try { outputStream = new BufferedOutputStream(new RandomAccessFileOutputStream(file), 65536); } catch (OutOfMemoryError e) { outputStream = new BufferedOutputStream(new RandomAccessFileOutputStream(file)); } } boolean success = bitmap.compress(compressFormat, FULL_QUALITY, outputStream); if (!success) { throw new IOException(String.format("Unable to save bitmap as a %s file: %s", (compressFormat == CompressFormat.JPEG) ? "jpeg" : "png", file.getAbsoluteFile().toString())); } else { if (outMD5 != null) { // Calculate MD5 and write the file to disk long time = System.currentTimeMillis(); byte[] jpeg = ((ByteArrayOutputStream) outputStream).toByteArray(); if (outMD5 != null) { outMD5.append(getMD5String(jpeg)); } DebugLog.d(TAG, "Time to calculate MD5: " + (System.currentTimeMillis() - time)); time = System.currentTimeMillis(); RandomAccessFile randomAccessFile = new RandomAccessFile(file, "rwd"); randomAccessFile.write(jpeg); randomAccessFile.close(); DebugLog.d(TAG, "Time to write to file: " + (System.currentTimeMillis() - time)); } } } finally { IOUtils.closeQuietly(outputStream); } }
From source file:com.feilong.tools.net.ZClientTest.java
/** * Gets the files./*from w w w .j a v a 2 s . c o m*/ * * @param ftp * the ftp * @param localDir * the local dir * @throws IOException * Signals that an I/O exception has occurred. */ private static void testGetFiles(FTPClient ftp, File localDir) throws IOException { String[] names = ftp.listNames(); for (String name : names) { File file = new File(localDir.getPath() + File.separator + name); if (!file.exists()) { file.createNewFile(); } long pos = file.length(); RandomAccessFile raf = new RandomAccessFile(file, "rw"); raf.seek(pos); ftp.setRestartOffset(pos); InputStream is = ftp.retrieveFileStream(name); if (is == null) { log.info("no such file:" + name); } else { log.info("start getting file:" + name); int b; while ((b = is.read()) != -1) { raf.write(b); } is.close(); if (ftp.completePendingCommand()) { log.info("done!"); } else { log.info("can't get file:" + name); } } raf.close(); } }
From source file:org.syncany.tests.unit.util.TestFileUtil.java
public static void changeRandomPartOfBinaryFile(File file) throws IOException { if (file != null && !file.exists()) { throw new IOException("File does not exist: " + file); }// w w w.j a va 2s.c o m if (file.isDirectory()) { throw new IOException("Cannot change directory: " + file); } // Prepare: random bytes at random position Random randomEngine = new Random(); int fileSize = (int) file.length(); int maxChangeBytesLen = 20; int maxChangeBytesStartPos = (fileSize - maxChangeBytesLen - 1 >= 0) ? fileSize - maxChangeBytesLen - 1 : 0; int changeBytesStartPos = (maxChangeBytesStartPos > 0) ? randomEngine.nextInt(maxChangeBytesStartPos) : 0; int changeBytesLen = (fileSize - changeBytesStartPos < maxChangeBytesLen) ? fileSize - changeBytesStartPos - 1 : maxChangeBytesLen; byte[] changeBytes = new byte[changeBytesLen]; randomEngine.nextBytes(changeBytes); // Write to file RandomAccessFile randomAccessFile = new RandomAccessFile(file, "rw"); randomAccessFile.seek(changeBytesStartPos); randomAccessFile.write(changeBytes); randomAccessFile.close(); }
From source file:Testing.TestMain.java
/** * https://github.com/mpatric/mp3agic-examples/blob/master/src/main/java/com/mpatric/mp3agic/example/Example.java * * @param mP3FileParm//from ww w .java2 s . c o m * @throws UnsupportedTagException * @throws InvalidDataException * @throws IOException * @throws NotSupportedException */ public static void readFromMP3File(File mP3FileParm) throws UnsupportedTagException, InvalidDataException, IOException, NotSupportedException { Mp3File mp3file = new Mp3File(mP3FileParm); System.out.println("Length of this mp3 is: " + mp3file.getLengthInSeconds() + " seconds"); System.out.println("Bitrate: " + mp3file.getBitrate() + " kbps " + (mp3file.isVbr() ? "(VBR)" : "(CBR)")); System.out.println("Sample rate: " + mp3file.getSampleRate() + " Hz"); System.out.println("Has ID3v1 tag?: " + (mp3file.hasId3v1Tag() ? "YES" : "NO")); System.out.println("Has ID3v2 tag?: " + (mp3file.hasId3v2Tag() ? "YES" : "NO")); System.out.println("Has custom tag?: " + (mp3file.hasCustomTag() ? "YES" : "NO")); if (mp3file.hasId3v1Tag()) { ID3v1 id3v1Tag = mp3file.getId3v1Tag(); System.out.println("Track: " + id3v1Tag.getTrack()); System.out.println("Artist: " + id3v1Tag.getArtist()); System.out.println("Title: " + id3v1Tag.getTitle()); System.out.println("Album: " + id3v1Tag.getAlbum()); System.out.println("Year: " + id3v1Tag.getYear()); System.out.println("Genre: " + id3v1Tag.getGenre() + " (" + id3v1Tag.getGenreDescription() + ")"); System.out.println("Comment: " + id3v1Tag.getComment()); } ID3v1 id3v1Tag; if (mp3file.hasId3v1Tag()) { id3v1Tag = mp3file.getId3v1Tag(); } else { id3v1Tag = new ID3v1Tag(); mp3file.setId3v1Tag(id3v1Tag); } id3v1Tag.setTrack("5"); id3v1Tag.setArtist("An Artist"); id3v1Tag.setTitle("The Title"); id3v1Tag.setAlbum("The Album"); id3v1Tag.setYear("2001"); id3v1Tag.setGenre(12); id3v1Tag.setComment("Some comment"); mp3file.save("MyMp3File.mp3"); if (mp3file.hasId3v2Tag()) { ID3v2 id3v2Tag = mp3file.getId3v2Tag(); System.out.println("Track: " + id3v2Tag.getTrack()); System.out.println("Artist: " + id3v2Tag.getArtist()); System.out.println("Title: " + id3v2Tag.getTitle()); System.out.println("Album: " + id3v2Tag.getAlbum()); System.out.println("Year: " + id3v2Tag.getYear()); System.out.println("Genre: " + id3v2Tag.getGenre() + " (" + id3v2Tag.getGenreDescription() + ")"); System.out.println("Comment: " + id3v2Tag.getComment()); System.out.println("Composer: " + id3v2Tag.getComposer()); System.out.println("Publisher: " + id3v2Tag.getPublisher()); System.out.println("Original artist: " + id3v2Tag.getOriginalArtist()); System.out.println("Album artist: " + id3v2Tag.getAlbumArtist()); System.out.println("Copyright: " + id3v2Tag.getCopyright()); System.out.println("URL: " + id3v2Tag.getUrl()); System.out.println("Encoder: " + id3v2Tag.getEncoder()); } if (mp3file.hasId3v2Tag()) { ID3v2 id3v2Tag = mp3file.getId3v2Tag(); byte[] imageData = id3v2Tag.getAlbumImage(); if (imageData != null) { String mimeType = id3v2Tag.getAlbumImageMimeType(); System.out.println("Mime type: " + mimeType); // Write image to file - can determine appropriate file extension from the mime type RandomAccessFile file = new RandomAccessFile("album-artwork", "rw"); file.write(imageData); file.close(); } } ID3v2 id3v2Tag; if (mp3file.hasId3v2Tag()) { id3v2Tag = mp3file.getId3v2Tag(); } else { id3v2Tag = new ID3v24Tag(); mp3file.setId3v2Tag(id3v2Tag); } id3v2Tag.setTrack("5"); id3v2Tag.setArtist("An Artist"); id3v2Tag.setTitle("The Title"); id3v2Tag.setAlbum("The Album"); id3v2Tag.setYear("2001"); id3v2Tag.setGenre(12); id3v2Tag.setComment("Some comment"); id3v2Tag.setComposer("The Composer"); id3v2Tag.setPublisher("A Publisher"); id3v2Tag.setOriginalArtist("Another Artist"); id3v2Tag.setAlbumArtist("An Artist"); id3v2Tag.setCopyright("Copyright"); id3v2Tag.setUrl("http://foobar"); id3v2Tag.setEncoder("The Encoder"); mp3file.save("MyMp3File.mp3"); }
From source file:org.apache.hadoop.hdfs.TestClientReportBadBlock.java
/** * Corrupt a block on a data node. Replace the block file content with * content// ww w . jav a 2 s. c om * of 1, 2, ...BLOCK_SIZE. * * @param block * the ExtendedBlock to be corrupted * @param dn * the data node where the block needs to be corrupted * @throws FileNotFoundException * @throws IOException */ private static void corruptBlock(final ExtendedBlock block, final DataNode dn) throws FileNotFoundException, IOException { final File f = DataNodeTestUtils.getBlockFile(dn, block.getBlockPoolId(), block.getLocalBlock()); final RandomAccessFile raFile = new RandomAccessFile(f, "rw"); final byte[] bytes = new byte[(int) BLOCK_SIZE]; for (int i = 0; i < BLOCK_SIZE; i++) { bytes[i] = (byte) (i); } raFile.write(bytes); raFile.close(); }
From source file:org.apache.hadoop.dfs.TestDatanodeBlockScanner.java
public static boolean corruptReplica(String blockName, int replica) throws IOException { Random random = new Random(); File baseDir = new File(System.getProperty("test.build.data"), "dfs/data"); boolean corrupted = false; for (int i = replica * 2; i < replica * 2 + 2; i++) { File blockFile = new File(baseDir, "data" + (i + 1) + "/current/" + blockName); if (blockFile.exists()) { // Corrupt replica by writing random bytes into replica RandomAccessFile raFile = new RandomAccessFile(blockFile, "rw"); FileChannel channel = raFile.getChannel(); String badString = "BADBAD"; int rand = random.nextInt((int) channel.size() / 2); raFile.seek(rand);//from ww w . j a v a 2 s .co m raFile.write(badString.getBytes()); raFile.close(); corrupted = true; } } return corrupted; }
From source file:org.odk.collect.android.tasks.SaveToDiskTask.java
/** * This method actually writes the xml to disk. * @param payload//from www . j a va2 s . co m * @param path * @return */ static void exportXmlFile(ByteArrayPayload payload, String path) throws IOException { File file = new File(path); if (file.exists() && !file.delete()) { throw new IOException("Cannot overwrite " + path + ". Perhaps the file is locked?"); } // create data stream InputStream is = payload.getPayloadStream(); int len = (int) payload.getLength(); // read from data stream byte[] data = new byte[len]; // try { int read = is.read(data, 0, len); if (read > 0) { // write xml file RandomAccessFile randomAccessFile = null; try { // String filename = path + File.separator + // path.substring(path.lastIndexOf(File.separator) + 1) + ".xml"; randomAccessFile = new RandomAccessFile(file, "rws"); randomAccessFile.write(data); } finally { if (randomAccessFile != null) { try { randomAccessFile.close(); } catch (IOException e) { Log.e(t, "Error closing RandomAccessFile: " + path, e); } } } } // } catch (IOException e) { // Log.e(t, "Error reading from payload data stream"); // e.printStackTrace(); // return false; // } // // return false; }
From source file:org.ofbiz.common.CommonServices.java
public static Map<String, Object> byteBufferTest(DispatchContext dctx, Map<String, ?> context) { ByteBuffer buffer1 = (ByteBuffer) context.get("byteBuffer1"); ByteBuffer buffer2 = (ByteBuffer) context.get("byteBuffer2"); String fileName1 = (String) context.get("saveAsFileName1"); String fileName2 = (String) context.get("saveAsFileName2"); String ofbizHome = System.getProperty("ofbiz.home"); String outputPath1 = ofbizHome + (fileName1.startsWith("/") ? fileName1 : "/" + fileName1); String outputPath2 = ofbizHome + (fileName2.startsWith("/") ? fileName2 : "/" + fileName2); try {/*from www .j a v a2 s .co m*/ RandomAccessFile file1 = new RandomAccessFile(outputPath1, "rw"); RandomAccessFile file2 = new RandomAccessFile(outputPath2, "rw"); file1.write(buffer1.array()); file2.write(buffer2.array()); } catch (FileNotFoundException e) { Debug.logError(e, module); } catch (IOException e) { Debug.logError(e, module); } return ServiceUtil.returnSuccess(); }
From source file:Gen.java
public static void genWeb() throws Exception { String GEN_WEBINF = GEN_ROOT + FILE_SEPARATOR + "war" + FILE_SEPARATOR + "WEB-INF"; String WAR_NAME = System.getProperty("warname") != null && !System.getProperty("warname").equals("") ? System.getProperty("warname") : MAPPING_JAR_NAME.substring(0, MAPPING_JAR_NAME.length() - "jar".length()) + "war"; if (!WAR_NAME.endsWith(".war")) WAR_NAME += ".war"; String PROPS_EMBED = System.getProperty("propsembed") != null && !System.getProperty("propsembed").equals("") ? System.getProperty("propsembed") : null; deleteDir(GEN_ROOT + FILE_SEPARATOR + "war"); regenerateDir(GEN_WEBINF + FILE_SEPARATOR + "classes"); regenerateDir(GEN_WEBINF + FILE_SEPARATOR + "lib"); Vector<String> warJars = new Vector<String>(); warJars.add(GEN_ROOT_LIB + FILE_SEPARATOR + MAPPING_JAR_NAME); InputStream inputStreamCore = Gen.class.getResourceAsStream("/biocep-core-tomcat.jar"); if (inputStreamCore != null) { try {/* w ww . j ava 2 s . c om*/ byte data[] = new byte[BUFFER_SIZE]; FileOutputStream fos = new FileOutputStream( GEN_WEBINF + FILE_SEPARATOR + "lib" + "/biocep-core.jar"); int count = 0; while ((count = inputStreamCore.read(data, 0, BUFFER_SIZE)) != -1) { fos.write(data, 0, count); } fos.flush(); fos.close(); } catch (Exception e) { e.printStackTrace(); } } else { warJars.add("RJB.jar"); warJars.add("lib/desktop/JRI.jar"); FilenameFilter jarsFilter = new FilenameFilter() { public boolean accept(File arg0, String arg1) { return arg1.endsWith(".jar"); } }; { String[] derby_jdbc_jars = new File("lib/jdbc").list(jarsFilter); for (int i = 0; i < derby_jdbc_jars.length; ++i) { warJars.add("lib/jdbc" + FILE_SEPARATOR + derby_jdbc_jars[i]); } } { String[] pool_jars = new File("lib/pool").list(jarsFilter); for (int i = 0; i < pool_jars.length; ++i) { warJars.add("lib/pool" + FILE_SEPARATOR + pool_jars[i]); } } { String[] httpclient_jars = new File("lib/j2ee").list(jarsFilter); for (int i = 0; i < httpclient_jars.length; ++i) { warJars.add("lib/j2ee" + FILE_SEPARATOR + httpclient_jars[i]); } } } log.info(warJars); for (int i = 0; i < warJars.size(); ++i) { Copy copyTask = new Copy(); copyTask.setProject(_project); copyTask.setTaskName("copy to war"); copyTask.setTodir(new File(GEN_WEBINF + FILE_SEPARATOR + "lib")); copyTask.setFile(new File(warJars.elementAt(i))); copyTask.init(); copyTask.execute(); } unzip(Gen.class.getResourceAsStream("/jaxws.zip"), GEN_WEBINF + FILE_SEPARATOR + "lib", new EqualNameFilter("activation.jar", "jaxb-api.jar", "jaxb-impl.jar", "jaxb-xjc.jar", "jaxws-api.jar", "jaxws-libs.jar", "jaxws-rt.jar", "jaxws-tools.jar", "jsr173_api.jar", "jsr181-api.jar", "jsr250-api.jar", "saaj-api.jar", "saaj-impl.jar", "sjsxp.jar", "FastInfoset.jar", "http.jar", "mysql-connector-java-5.1.0-bin.jar", "ojdbc-14.jar"), BUFFER_SIZE, false, "Unzipping psTools..", 17); PrintWriter pw_web_xml = new PrintWriter(GEN_WEBINF + FILE_SEPARATOR + "web.xml"); pw_web_xml.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); pw_web_xml.println( "<web-app version=\"2.4\" xmlns=\"http://java.sun.com/xml/ns/j2ee\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd\">"); pw_web_xml.println( "<listener><listener-class>com.sun.xml.ws.transport.http.servlet.WSServletContextListener</listener-class></listener>"); for (String className : DirectJNI._rPackageInterfacesHash.keySet()) { String shortClassName = className.substring(className.lastIndexOf('.') + 1); pw_web_xml.println("<servlet><servlet-name>" + shortClassName + "_servlet</servlet-name><servlet-class>org.kchine.r.server.http.frontend.InterceptorServlet</servlet-class><load-on-startup>1</load-on-startup></servlet>"); } pw_web_xml.println("<servlet><servlet-name>" + "WSServlet" + "</servlet-name><servlet-class>com.sun.xml.ws.transport.http.servlet.WSServlet</servlet-class><load-on-startup>1</load-on-startup></servlet>"); pw_web_xml.println("<servlet><servlet-name>" + "MappingClassServlet" + "</servlet-name><servlet-class>org.kchine.r.server.http.frontend.MappingClassServlet</servlet-class><load-on-startup>1</load-on-startup></servlet>"); for (String className : DirectJNI._rPackageInterfacesHash.keySet()) { String shortClassName = className.substring(className.lastIndexOf('.') + 1); pw_web_xml.println( "<servlet-mapping><servlet-name>" + shortClassName + "_servlet</servlet-name><url-pattern>/" + shortClassName + "</url-pattern></servlet-mapping>"); } pw_web_xml.println("<servlet-mapping><servlet-name>" + "MappingClassServlet" + "</servlet-name><url-pattern>" + "/mapping/classes/*" + "</url-pattern></servlet-mapping>"); pw_web_xml.println("<session-config><session-timeout>30</session-timeout></session-config>"); pw_web_xml.println("</web-app>"); pw_web_xml.flush(); pw_web_xml.close(); PrintWriter pw_sun_jaxws_xml = new PrintWriter(GEN_WEBINF + FILE_SEPARATOR + "sun-jaxws.xml"); pw_sun_jaxws_xml.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); pw_sun_jaxws_xml.println("<endpoints xmlns='http://java.sun.com/xml/ns/jax-ws/ri/runtime' version='2.0'>"); for (String className : DirectJNI._rPackageInterfacesHash.keySet()) { String shortClassName = className.substring(className.lastIndexOf('.') + 1); pw_sun_jaxws_xml.println(" <endpoint name='name_" + shortClassName + "' implementation='" + className + "Web" + "' url-pattern='/" + shortClassName + "'/>"); } pw_sun_jaxws_xml.println("</endpoints>"); pw_sun_jaxws_xml.flush(); pw_sun_jaxws_xml.close(); if (PROPS_EMBED != null) { InputStream is = new FileInputStream(PROPS_EMBED); byte[] buffer = new byte[is.available()]; is.read(buffer); RandomAccessFile raf = new RandomAccessFile( GEN_WEBINF + FILE_SEPARATOR + "classes" + FILE_SEPARATOR + "globals.properties", "rw"); raf.setLength(0); raf.write(buffer); raf.close(); } War warTask = new War(); warTask.setProject(_project); warTask.setTaskName("war"); warTask.setBasedir(new File(GEN_ROOT + FILE_SEPARATOR + "war")); warTask.setDestFile(new File(GEN_ROOT + FILE_SEPARATOR + WAR_NAME)); warTask.setIncludes("**/*"); warTask.init(); warTask.execute(); }