Example usage for java.io FileReader FileReader

Introduction

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

Prototype

public FileReader(FileDescriptor fd)

Source Link

Document

Creates a new FileReader , given the FileDescriptor to read, using the platform's java.nio.charset.Charset#defaultCharset() default charset .

Usage

From source file:io.ecarf.core.utils.Utils.java

public static void main(String[] args) throws JsonIOException, JsonSyntaxException, FileNotFoundException {
    Set<String> schemaTerms = Utils.GSON.fromJson(
            new JsonReader(new FileReader(Utils.TEMP_FOLDER + "test.json")), new TypeToken<Set<String>>() {
            }.getType());//from   w w w  .j  a  va 2s. co  m
    System.out.println(schemaTerms);
}

From source file:Main.java

public static char[] getChars(File file) throws IOException {
    String str;/*from  ww w. j  a v a2s . co  m*/

    FileReader reader = new FileReader(file);
    BufferedReader buffer = new BufferedReader(reader);
    String line;
    StringBuilder result = new StringBuilder();
    while ((line = buffer.readLine()) != null) {
        result.append(line).append("\n");
    }
    str = result.toString();
    buffer.close();
    reader.close();

    return str.toCharArray();
}

From source file:Main.java

public static long totalMemorySize() {
    String memInfoPath = "/proc/meminfo";
    String str2;//from  ww  w.  j  a  va  2 s .c  o  m
    String[] arrayOfString;
    long initial_memory = 0;
    try {
        FileReader localFileReader = new FileReader(memInfoPath);
        BufferedReader localBufferedReader = new BufferedReader(localFileReader, 8192);
        str2 = localBufferedReader.readLine();
        arrayOfString = str2.split("\\s+");
        for (String num : arrayOfString) {
            Log.i(str2, num + "\t");
        }
        //total Memory
        initial_memory = Integer.valueOf(arrayOfString[1]) * 1024;
        localBufferedReader.close();
        return initial_memory;
    } catch (IOException e) {
        return -1;
    }
}

From source file:latexstudio.editor.files.FileService.java

public static String readFromFile(String filename) {
    try (FileReader reader = new FileReader(filename)) {
        return IOUtils.toString(reader);
    } catch (IOException ex) {
        Exceptions.printStackTrace(ex);//from  w  ww .  ja v  a 2  s. co  m
    }

    return null;
}

From source file:Main.java

/**
 * Convenient call to load a properties file from the provided file
 *///from w  w  w. java 2s .c om
public static Properties loadProperties(File file) throws IOException {
    if (file == null)
        return null;

    FileReader reader = new FileReader(file);
    try {
        return loadProperties(reader);
    } finally {
        reader.close();
    }
}

From source file:Main.java

public static String getStringFromFile(String filePath) {
    String s = null;/*from  www  . j  av a2s  . co m*/
    File f = new File(filePath);
    Reader reader = null;
    try {
        reader = new BufferedReader(new FileReader(f));
        StringBuilder sb = new StringBuilder();
        char[] buff = new char[50];
        int length;
        while ((length = reader.read(buff)) != -1) {
            sb.append(buff, 0, length);
        }
        s = sb.toString();
    } catch (FileNotFoundException e) {
        s = null;
    } catch (IOException e) {
        e.printStackTrace();
    }
    return s;
}

From source file:com.nomsic.randb.test.TestUtils.java

public static String getFileAsString(File file) throws FileNotFoundException, IOException {
    FileReader fileReader = new FileReader(file);
    String indexString = IOUtils.toString(fileReader);
    fileReader.close();/*ww w.j a v  a 2  s. co  m*/
    return indexString;
}

From source file:Main.java

/**
 * Read file and gives file content as String
 *
 * @param filename String/*ww  w .j av a2s .  c  o  m*/
 * @return String
 * @throws IOException if unable to read file
 */
public static String readFile(String filename) throws IOException {
    return readReader(new FileReader(filename));
}

From source file:Main.java

public static long getRunningProcess() {

    File file = new File("/proc/meminfo");
    BufferedReader bufferedReader = null;
    String total = null;//from  www  . j a v a 2 s .  com
    try {
        bufferedReader = new BufferedReader(new FileReader(file));
        String line = bufferedReader.readLine();
        char[] charArray = line.toCharArray();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < charArray.length; i++) {
            char c = charArray[i];
            if (c >= '0' && c <= '9') {
                sb.append(c);
            }
        }
        total = sb.toString();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    long number = Long.parseLong(total) * 1024;
    return number;
}

From source file:asciidoc.maven.plugin.tools.FileHelper.java

public static String readFile(File f) {
    StringBuilder contents = new StringBuilder();
    try {/*www.j a v  a2 s.  c o m*/
        BufferedReader input = new BufferedReader(new FileReader(f));
        try {
            String line = null;
            while ((line = input.readLine()) != null) {
                contents.append(line);
                contents.append(System.getProperty("line.separator"));
            }
        } finally {
            input.close();
        }
    } catch (IOException ex) {
        ex.printStackTrace();
    }

    return contents.toString();
}