Example usage for java.io Reader read

Introduction

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

Prototype

public int read() throws IOException 

Source Link

Document

Reads a single character.

Usage

From source file:de.quist.samy.remocon.RemoteSession.java

private static char[] readCharArray(Reader reader) throws IOException {
    if (reader.markSupported())
        reader.mark(1024);// www.j  a  va  2s . c  om
    int length = reader.read();
    int delimiter = reader.read();
    if (delimiter != 0) {
        if (reader.markSupported())
            reader.reset();
        throw new IOException("Unsupported reply exception");
    }
    char[] buffer = new char[length];
    reader.read(buffer);
    return buffer;
}

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From source file:com.example.mediastock.util.Utilities.java

/**
* It reads the content of the input stream.
 *
* @return the string from the stream//from   w  w  w  .  ja  v a  2  s .c o  m
*/
public static String readAll(Reader rd) throws IOException {
    StringBuilder sb = new StringBuilder();
    int cp;
    while ((cp = rd.read()) != -1) {
        sb.append((char) cp);
    }

    return sb.toString();
}

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From source file:co.raveesh.yspages.YSScraper.java

/**
 * Returns String data read from URL. Copied from Stack Overflow answer by Rolan Illig. URL:http://stackoverflow.com/questions/4308554/simplest-way-to-read-json-from-a-url-in-java 
 * @param rd//from   w  w  w .ja v a  2  s  .  c o  m
 * @return
 * @throws IOException
 */
private static String readAll(Reader rd) throws IOException {
    StringBuilder sb = new StringBuilder();
    int cp;
    while ((cp = rd.read()) != -1) {
        sb.append((char) cp);
    }
    return sb.toString();
}

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From source file:gov.nih.nci.ncicb.tcga.dcc.dam.dao.FileComparer.java

public static void compareFiles(String fname1, String fname2) throws IOException {

    Reader r1 = null;
    Reader r2 = null;//from  w w  w.  j av a  2  s. co  m

    try {
        File f1 = new File(fname1);
        File f2 = new File(fname2);
        //noinspection IOResourceOpenedButNotSafelyClosed
        r1 = new BufferedReader(new FileReader(f1));
        //noinspection IOResourceOpenedButNotSafelyClosed
        r2 = new BufferedReader(new FileReader(f2));
        int c1, c2;
        c1 = r1.read();
        c2 = r2.read();
        assertFalse("file1 has no content", c1 < 0);
        int i = 0;
        while (c1 != -1) {
            assertEquals("files are not equal at index " + i, c1, c2);
            c1 = r1.read();
            c2 = r2.read();
            ++i;
        }
    } finally {
        IOUtils.closeQuietly(r1);
        IOUtils.closeQuietly(r2);
    }
}

---

From source file:edu.cmu.cs.lti.util.general.BasicConvenience.java

public static String read(Reader reader) throws IOException {
    StringBuilder buf = new StringBuilder();

    int readInt;//from w  ww  . j  a  va2 s. c  o  m

    while ((readInt = reader.read()) != -1)
        buf.append((char) readInt);

    return buf.toString();
}

---

From source file:org.ednovo.gooru.service.ResourceCassandraServiceImpl.java

private static String readAll(Reader rd) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    int cp;// w  w  w.  j  a va  2 s. c o  m
    while ((cp = rd.read()) != -1) {
        stringBuilder.append((char) cp);
    }
    return stringBuilder.toString();
}

---

From source file:de.uzk.hki.da.sb.Utilities.java

/**
 * Deserializes the given file and returns its content as a string
 * /*from   w  w w  .  ja  v a  2s . co  m*/
 * @param file The file to read
 * @return The file content as a string
 * @throws Exception
 */
public static String readFile(File file) throws Exception {

    Reader reader;
    try {
        reader = new FileReader(file.getAbsolutePath());
    } catch (FileNotFoundException e) {
        throw new Exception("Couldn't create reader", e);
    }
    String text = "";

    try {
        for (int c; (c = reader.read()) != -1;)
            text += (char) c;

        reader.close();

    } catch (IOException e) {
        throw new Exception("Couldn't read file " + file.getAbsolutePath(), e);
    }

    return text;
}

---

From source file:com.github.magicsky.sya.checkers.TestSourceReader.java

public static int getLineNumber(int offset, Path fullPath) throws Exception {
    IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(fullPath);
    Reader reader = new BufferedReader(new InputStreamReader(file.getContents(), file.getCharset()));
    try {//from   w w  w .jav  a2s .c o  m
        int line = 1;
        for (int i = 0; i < offset; i++) {
            int c = reader.read();
            Assert.assertTrue(c >= 0);
            if (c == '\n')
                line++;
        }
        return line;
    } finally {
        reader.close();
    }
}

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From source file:com.athena.chameleon.engine.utils.FileUtil.java

/**
 * //from  w w w.  java2 s  .  c om
 * ? ??  .
 *
 * @param zipFilePath ? 
 * @param unzipDirPath ?   
 * @param declaredEncoding ?  
 * @return String  ?  
 * @throws IOException
 */
public static String extract(String zipFilePath, String unzipDirPath, String declaredEncoding)
        throws IOException {
    ZipFile zipFile = null;

    try {
        if (logger.isDebugEnabled()) {
            logger.debug("[ZipUtil] zipFilePath :" + zipFilePath);
        }

        String unZipDir = (unzipDirPath == null)
                ? zipFilePath.substring(0, zipFilePath.lastIndexOf('.')) + File.separator
                : unzipDirPath + File.separator;
        if (logger.isDebugEnabled()) {
            logger.debug("[ZipUtil] unzipDirPath :" + unZipDir);
        }

        zipFile = new ZipFile(zipFilePath, "EUC-KR");

        Enumeration<?> e = zipFile.getEntries();
        for (; e.hasMoreElements();) {
            FileOutputStream output = null;
            InputStream input = null;
            String entryName;

            try {
                byte[] data;
                ZipEntry entry = (ZipEntry) e.nextElement();

                if (logger.isDebugEnabled()) {
                    logger.debug("[ZipUtil] current entry:" + entry.getName());
                }

                entryName = entry.getName().replace('\\', '/');
                if (entry.isDirectory()) {
                    File dir = new File(unZipDir + entry.getName());
                    if (!dir.exists() && !dir.mkdirs()) {
                        throw new IOException("[ZipUtil] make directory fail");
                    }
                } else {
                    File outputFile = null;

                    try {
                        outputFile = new File(unZipDir + entry.getName());

                        if (entry.getSize() == 0 && entry.getName().indexOf('.') == -1) {
                            throw new Exception("[ZipUtil] This file may be a directory");
                        }

                        File parentDir = outputFile.getParentFile();
                        if (!parentDir.exists() && !parentDir.mkdirs()) {
                            throw new IOException("[ZipUtil] make directory fail");
                        }

                        input = zipFile.getInputStream(entry);
                        output = new FileOutputStream(outputFile);

                        String changeTarget = PropertyUtil.getProperty("unzip.change.target");

                        if (changeTarget.indexOf(
                                entryName.substring(entryName.lastIndexOf(".") + 1, entryName.length())) > -1) {

                            OutputStreamWriter osr = new OutputStreamWriter(output, declaredEncoding);

                            CharsetDetector detector = new CharsetDetector();
                            data = IOUtils.toByteArray(input, entry.getSize());
                            IOUtils.closeQuietly(input);
                            detector.setDeclaredEncoding(declaredEncoding);
                            detector.setText(data);
                            Reader reader = detector.detect().getReader();

                            int buffer = 0;
                            while (true) {
                                buffer = reader.read();
                                if (buffer == -1)
                                    break;

                                osr.write(buffer);
                            }
                            osr.close();

                        } else {
                            int len = 0;
                            byte buffer[] = new byte[1024];
                            while ((len = input.read(buffer)) > 0)
                                output.write(buffer, 0, len);
                        }

                    } catch (Exception ex2) {
                        ex2.printStackTrace();
                        if (!outputFile.exists() && !outputFile.mkdirs()) {
                            throw new IOException("[ZipUtil] make directory fail");
                        }
                    }
                }
            }

            catch (IOException ex) {
                throw ex;
            }

            catch (Exception ex) {
                throw new IOException("[ZipUtil] extract fail", ex);
            }

            finally {
                if (input != null) {
                    input.close();
                }
                if (output != null) {
                    output.close();
                }
            }
        }
        return unZipDir;
    }

    catch (IOException e) {
        e.printStackTrace();
        throw e;
    }

    finally {
        if (zipFile != null) {
            zipFile.close();
        }
    }
}

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From source file:com.redhat.lightblue.util.JsonUtils.java

public static JsonNode json(Reader reader, boolean systemPropertySubstitution) throws IOException {
    StringBuilder bld = new StringBuilder(512);
    int c;/*from w w w .j  a v a2  s  .c o m*/
    while ((c = reader.read()) >= 0) {
        bld.append((char) c);
    }
    return json(bld.toString(), systemPropertySubstitution);
}

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