Example usage for java.io FileReader read

List of usage examples for java.io FileReader read

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Introduction

In this page you can find the example usage for java.io FileReader read.

Prototype

public int read() throws IOException

Source Link

Document

Reads a single character.

Usage

From source file:jeplus.TRNSYSWinTools.java

/**
 * Copy a file from one location to another
 *
 * @param from The source file to be copied
 * @param to The target file to write/*from  w  ww .  j a  va 2s . c om*/
 * @return Successful or not
 */
public static boolean fileCopy(String from, String to) {
    boolean success = true;
    try {
        FileReader in = new FileReader(from);
        FileWriter out = new FileWriter(to);
        int c;
        while ((c = in.read()) != -1) {
            out.write(c);
        }
        in.close();
        out.close();
    } catch (Exception ee) {
        logger.error("Error copying " + from + " to " + to, ee);
        success = false;
    }
    return success;
}

From source file:eu.europa.ec.markt.dss.signature.StreamDocumentTest.java

@Test
public void save() throws Exception {
    document.save("streamDocumentSaveTest.txt");
    assertTrue(Files.exists(Paths.get("streamDocumentSaveTest.txt")));

    FileReader fileReader = new FileReader("streamDocumentSaveTest.txt");
    int read = fileReader.read();
    fileReader.close();/*from w w w . j  a v  a  2s .co  m*/

    assertEquals(65, read);
    Files.deleteIfExists(Paths.get("streamDocumentSaveTest.txt"));
}

From source file:com.linkedin.pinot.tools.admin.command.StopProcessCommand.java

private boolean stopProcess(String fileName) throws IOException {
    File file = new File(fileName);
    FileReader reader = new FileReader(file);
    int pid = reader.read();

    Runtime.getRuntime().exec("kill " + pid);
    reader.close();//from w ww  .ja  va  2 s  .co  m

    file.delete();
    return true;
}

From source file:TestSecurity.java

/**
 * put your documentation comment here// w w  w.  j  av  a 2  s .co m
 * @param req
 * @param res
 * @exception ServletException, IOException
 */
public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setContentType("text/html");
    PrintWriter out = res.getWriter();
    out.println("<HTML>");
    out.println("<HEAD><TITLE>Hello World</TITLE></HEAD>");
    out.println("<BODY>");
    out.println("<BIG>Test Security</BIG>");
    try {
        out.println(h2o + "Information..." + h2c);
        out.println("  Security Manager: " + getSecurityManager().getClass().getName() + p);
        out.println("  ClassLoader: " + this.getClass().getClassLoader() + p);
        //            weblogic.utils.classloaders.GenericClassLoader gcl = (weblogic.utils.classloaders.GenericClassLoader)this.getClass().getClassLoader();
        //            gcl.setDebug( true );
        out.println("  CodeSource: " + this.getClass().getProtectionDomain().getCodeSource().getLocation() + p);
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    /*
     try
     {
     out.println( h2o + "Trying some dangerous J2EE calls..." + h2c );
     String hack = request.getParameter( "hack" );
     Cookie[] cookies = request.getCookies();
     out.println( " -- allowed -- " + p );
     int x = 1 + 2 + 3;
     out.println( hack );  // use it
     int y = 1 + 2 + 3;
     out.println( cookies );  // use it
     String m = "COOKIE: " + cookies[0]; // use it again
     cookies = new Cookie[10]; // reset it
     String n = "COOKIE: " + cookies[5]; // use it again
     }
     catch( Exception e ) { out.println( " -- rejected -- " + e.getMessage() + p ); }
     */
    try {
        out.println(h2o + "Attempting file write to d:/Java..." + h2c);
        File f = new File("d:/Java/blah.txt");
        FileWriter fw = new FileWriter(f);
        fw.write("test\n");
        fw.close();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting file write to d:/Java/TestServlet..." + h2c);
        File f = new File("d:/Java/TestServlet/blah.txt");
        FileWriter fw = new FileWriter(f);
        fw.write("test\n");
        fw.close();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting file read to c:/Ntdetect..." + h2c);
        File f = new File("c:/Ntdetect.com");
        FileReader fr = new FileReader(f);
        int c = fr.read();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting file read to c:/weblogic/weblogic.properties..." + h2c);
        File f = new File("c:/weblogic/weblogic.properties");
        FileReader fr = new FileReader(f);
        int c = fr.read();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting to connect to yahoo.com..." + h2c);
        Socket s = new Socket("yahoo.com", 8080);
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting to connect to hacker.com..." + h2c);
        Socket s = new Socket("hacker.com", 8080);
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting to listen on port 37337..." + h2c);
        ServerSocket s = new ServerSocket(37337);
        Socket c = s.accept();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting to listen on port 7001..." + h2c);
        ServerSocket s = new ServerSocket(7001);
        Socket c = s.accept();
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    /*
     try
     {
     out.println( h2o + "Attempting native call..." + h2c );
     native0( 1 );
     out.println( " -- allowed -- " + p );
     }           
     catch( Exception e ) { out.println( " -- rejected -- " + e.getMessage() + p ); }
     */
    try {
        out.println(h2o + "Attempting exec..." + h2c);
        Runtime.getRuntime().exec("dir");
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    try {
        out.println(h2o + "Attempting system exit..." + h2c);
        out.println(" -- allowed -- " + p);
    } catch (Exception e) {
        out.println(" -- rejected -- " + e.getMessage() + p);
    }
    out.println("</BODY></HTML>");
}

From source file:com.krikelin.spotifysource.AppInstaller.java

protected void copyFile(String src, String dest) throws IOException {
    File inputFile = new File(src);
    File outputFile = new File(dest);

    FileReader in = new FileReader(inputFile);
    FileWriter out = new FileWriter(outputFile);
    int c;//  ww w  .  j a  v  a2 s  . c  o  m

    while ((c = in.read()) != -1)
        out.write(c);

    in.close();
    out.close();
}

From source file:pntanasis.base64.base64Test.java

@Test
public void testEncode_File() throws FileNotFoundException, IOException {
    System.out.println("encode (file)");
    base64 instance = new base64();
    FileReader file = new FileReader("test.file"); //test file in project root
    String f = "";
    int c;//from  w w  w .j a  v a 2s  .  c om
    while ((c = file.read()) != -1) {
        f += "" + (char) c;
    }
    String expResult = new String(Base64.encodeBase64(f.getBytes()));
    String result = instance.encode(f);
    assertTrue("Failed, result: " + result + " expexted result: " + expResult, expResult.equals(result));
    System.out.println("encode (file) was successfull");
}

From source file:pntanasis.base64.base64Test.java

@Test
public void testDecode_Performance() throws FileNotFoundException, IOException {
    System.out.println("decode file Performance");
    long start, end;
    base64 instance = new base64();
    FileReader file = new FileReader("test.file"); //test file in project root
    String f = "";
    int c;//from   ww w .ja  va  2s .  c  o m
    while ((c = file.read()) != -1) {
        f += "" + (char) c;
    }
    String base64 = new String(Base64.encodeBase64(f.getBytes()));
    start = System.currentTimeMillis();
    new String(Base64.decodeBase64(base64.getBytes()));
    end = System.currentTimeMillis();
    System.out.println("Process APACHE base64 decode toke " + (end - start) + " MilliSeconds");
    new String(Base64.decodeBase64(base64.getBytes()));
    end = System.currentTimeMillis();
    System.out.println("Process APACHE base64 decode toke " + (end - start) + " MilliSeconds");
    new String(Base64.decodeBase64(base64.getBytes()));
    end = System.currentTimeMillis();
    System.out.println("Process APACHE base64 decode toke " + (end - start) + " MilliSeconds");

    instance.decode(base64);
    end = System.currentTimeMillis();
    System.out.println("Process base64 decode toke " + (end - start) + " MilliSeconds");
    instance.decode(base64);
    end = System.currentTimeMillis();
    System.out.println("Process base64 decode toke " + (end - start) + " MilliSeconds");
    instance.decode(base64);
    end = System.currentTimeMillis();
    System.out.println("Process base64 decode toke " + (end - start) + " MilliSeconds");
}

From source file:pntanasis.base64.base64Test.java

@Test
public void testEncode_Performance() throws FileNotFoundException, IOException {
    System.out.println("encode (file)");
    long start, end;
    base64 instance = new base64();
    FileReader file = new FileReader("test.file"); //test file in project root
    String f = "";
    int c;// ww  w  .  j a  va  2 s .c om
    while ((c = file.read()) != -1) {
        f += "" + (char) c;
    }

    start = System.currentTimeMillis();
    new String(Base64.encodeBase64(f.getBytes()));
    end = System.currentTimeMillis();
    System.out.println("Process APACHE base64 encoding toke " + (end - start) + " MilliSeconds");
    start = System.currentTimeMillis();
    new String(Base64.encodeBase64(f.getBytes()));
    end = System.currentTimeMillis();
    System.out.println("Process APACHE base64 encoding toke " + (end - start) + " MilliSeconds");
    start = System.currentTimeMillis();
    new String(Base64.encodeBase64(f.getBytes()));
    end = System.currentTimeMillis();
    System.out.println("Process APACHE base64 encoding toke " + (end - start) + " MilliSeconds");

    start = System.currentTimeMillis();
    instance.encode(f);
    end = System.currentTimeMillis();
    System.out.println("Process base64 encoding toke " + (end - start) + " MilliSeconds");
    start = System.currentTimeMillis();
    instance.encode(f);
    end = System.currentTimeMillis();
    System.out.println("Process base64 encoding toke " + (end - start) + " MilliSeconds");
    start = System.currentTimeMillis();
    instance.encode(f);
    end = System.currentTimeMillis();
    System.out.println("Process base64 encoding toke " + (end - start) + " MilliSeconds");

    System.out.println("base64 encoding performance test was successfull");
}

From source file:org.ralasafe.userType.UserTypeManagerImpl.java

private String getUserMetadataXML(UserType userType) {
    int ch = 0;/*from w  w  w  .  j ava 2  s. c  om*/
    StringBuffer buf = new StringBuffer();
    try {
        FileReader reader = new FileReader(userType.getSrcFile());
        while ((ch = reader.read()) != -1) {
            buf.append((char) ch);
        }
        reader.close();
        return buf.toString();
    } catch (Exception e) {
        throw new RalasafeException(e);
    }
}

From source file:com.alanjz.spin.project.util.JSONSpinfileParser.java

@Override
public Spinfile parse() {
    StringBuilder stringBuilder;/*from  w  w  w .  j  a v  a  2  s .  co m*/
    FileReader fileReader;
    String source;
    int c;

    try {
        fileReader = new FileReader(getFile().getAbsoluteFile());
        stringBuilder = new StringBuilder();
        while ((c = fileReader.read()) != -1)
            stringBuilder.append((char) c);
        source = stringBuilder.toString();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }

    setConfig(new JSONObject(source));
    String modelVersion = getConfig().getString("modelVersion");
    String projectGroup = getConfig().getString("projectGroup");
    String projectName = getConfig().getString("projectName");
    String projectVersion = getConfig().getString("projectVersion");

    JSONArray peersArray = getConfig().getJSONArray("peers");
    Peer[] peers = new Peer[peersArray.length()];

    for (int i = 0; i < peers.length; i++) {
        peers[i] = parsePeer(peersArray.getJSONObject(i));
    }

    return new Spinfile(modelVersion, projectGroup, projectName, projectVersion, peers);
}