Example usage for java.io FileReader close

Introduction

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

Prototype

public void close() throws IOException

Source Link

Usage

From source file:com.telefonica.euro_iaas.sdc.util.RSASignerImpl.java

/**
 * Get the private key//from   w  ww. ja v a  2s  .c  om
 * 
 * @param privateKey
 * @param keyPassword
 * @return
 * @throws IOException
 */
private static KeyPair readKeyPair(File privateKey, char[] keyPassword) throws IOException {
    FileReader fileReader = new FileReader(privateKey);
    PEMReader r = new PEMReader(fileReader, new DefaultPasswordFinder(keyPassword));
    try {
        return (KeyPair) r.readObject();
    } catch (IOException ex) {
        throw new IOException("The private key could not be decrypted", ex);
    } finally {
        r.close();
        fileReader.close();
    }
}

From source file:com.telefonica.euro_iaas.sdc.util.RSASignerImpl.java

/**
 * Get the public key/*from ww w .j  a v  a 2 s .  c o m*/
 * 
 * @param privateKey
 * @param keyPassword
 * @return
 * @throws IOException
 */
private static JCERSAPublicKey readPublicKey(File privateKey, char[] keyPassword) throws IOException {
    FileReader fileReader = new FileReader(privateKey);
    PEMReader r = new PEMReader(fileReader, new DefaultPasswordFinder(keyPassword));
    try {
        return (JCERSAPublicKey) r.readObject();
    } catch (IOException ex) {
        throw new IOException("The private key could not be decrypted", ex);
    } finally {
        r.close();
        fileReader.close();
    }
}

From source file:Main.java

public static int getCurrCpuFreq() {
    int result = 0;
    FileReader fr = null;
    BufferedReader br = null;/*w ww.  ja  v  a 2 s  .  co m*/
    try {
        fr = new FileReader(kCpuInfoCurFreqFilePath);
        br = new BufferedReader(fr);
        String text = br.readLine();
        result = Integer.parseInt(text.trim());
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fr != null)
            try {
                fr.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        if (br != null)
            try {
                br.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
    }
    return result;
}

From source file:Main.java

public static int getMinCpuFreq() {
    int result = 0;
    FileReader fr = null;
    BufferedReader br = null;/*from   w ww.  j a  v a2  s.  c o  m*/
    try {
        fr = new FileReader(kCpuInfoMinFreqFilePath);
        br = new BufferedReader(fr);
        String text = br.readLine();
        result = Integer.parseInt(text.trim());
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fr != null)
            try {
                fr.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        if (br != null)
            try {
                br.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
    }
    return result;
}

From source file:Main.java

public static int getMaxCpuFreq() {
    int result = 0;
    FileReader fr = null;
    BufferedReader br = null;/*from  w ww .  j  a  va  2 s  .  c  om*/
    try {
        fr = new FileReader(kCpuInfoMaxFreqFilePath);
        br = new BufferedReader(fr);
        String text = br.readLine();
        result = Integer.parseInt(text.trim());
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fr != null)
            try {
                fr.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        if (br != null)
            try {
                br.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
    }
    return result;
}

From source file:net.sourceforge.jcctray.utils.ObjectPersister.java

public static CruiseRegistry loadCruiseRegistry(String fileName) throws IOException, SAXException {
    Digester digester = new Digester();

    FileReader fileReader = new FileReader(fileName);
    digester.addRule("cruiseregistry", new ObjectCreateRule(CruiseRegistry.class));
    digester.addRule("cruiseregistry/cruiseImpls/cruiseImpl",
            new CallMethodRule("addCruiseImpl", 0, new Class[] { Class.class }));
    CruiseRegistry result = (CruiseRegistry) digester.parse(fileReader);
    fileReader.close();
    return result;
}

From source file:index.IncrementIndex.java

/**
* 
* @param path/*from  w ww .  java2 s  .  c  o  m*/
* @param storeIdPath
* @param rs
* @return 
*/
public static boolean indexBuilding(String path, String storeIdPath, ResultSet rs, String classPath,
        String keyName) throws SQLException {
    try {
        Analyzer luceneAnalyzer = new StandardAnalyzer();
        // ??ID??  
        boolean isEmpty = true;
        try {
            File file = new File(storeIdPath);
            if (!file.exists()) {
                file.createNewFile();
            }
            FileReader fr = new FileReader(storeIdPath);
            BufferedReader br = new BufferedReader(fr);
            if (br.readLine() != null) {
                isEmpty = false;
            }
            br.close();
            fr.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        //isEmpty=false?  
        IndexWriter writer = new IndexWriter(path, luceneAnalyzer, isEmpty);
        String storeId = "";
        boolean indexFlag = false;
        // ?
        Class c2 = Class.forName(classPath);
        // 
        java.lang.reflect.Field[] fields = c2.getDeclaredFields();
        while (rs.next()) {
            // list?    
            Map map = new HashMap();
            // ????
            for (java.lang.reflect.Field field : fields) {
                //  
                if (keyName.equals(field.getName())) {
                    storeId = rs.getString(field.getName().toUpperCase());
                }
                // ???
                if (whetherExist(field.getName().toUpperCase(), rs)) {
                    map.put(field.getName(), rs.getString(field.getName().toUpperCase()));
                }
            }
            writer.addDocument(Document(map));
            indexFlag = true;
        }
        writer.optimize();
        writer.close();
        if (indexFlag) {
            // ?ID?  
            writeStoreId(storeIdPath, storeId);
        }
        return true;
    } catch (Exception e) {
        e.printStackTrace();
        System.out.println("" + e.getClass() + "\n   ?:   " + e.getMessage());
        return false;
    } finally {
        if (null != rs) {
            rs.close();
        }
    }

}

From source file:com.ianzepp.logging.jms.service.BasicDaoTest.java

/**
 * TODO Method description for <code>readTableMigration()</code>
 * /*from w w w  .ja v a  2  s  . c o m*/
 * @param tableName
 * @return
 */
private static String readFile(String filePath) {
    StringBuffer fileData = new StringBuffer(4096);

    try {
        FileReader reader = new FileReader(filePath);
        char[] charBuffer = new char[2048];
        int readSize = -1;

        while ((readSize = reader.read(charBuffer)) >= 0) {
            fileData.append(charBuffer, 0, readSize);
        }

        reader.close();
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return fileData.toString();
}

From source file:com.teotigraphix.caustk.utils.RuntimeUtils.java

/**
 * Loads a String from the File./*from  ww w.  jav  a 2  s . c  o  m*/
 * 
 * @param file The location of the File to load.
 * @return The String loaded from the File.
 * @throws IOException
 */
public static final String loadFile(File file) throws IOException {
    FileReader reader = new FileReader(file);
    BufferedReader br = new BufferedReader(reader);
    StringBuffer s = new StringBuffer();
    String line;
    while ((line = br.readLine()) != null) {
        s.append(line);
        s.append("\n");
    }
    reader.close();
    return s.toString();
}

From source file:Main.java

public static String readDeviceUUID(String devicePath) {
    String uuid = null;/*from   ww  w .  jav a2 s.co  m*/
    File root = new File(devicePath);
    if (root.isDirectory()) {
        File uFile = new File(devicePath, ".uuid");
        FileReader reader = null;
        try {
            char[] buffer = new char[36];
            reader = new FileReader(uFile);
            reader.read(buffer, 0, buffer.length);
            uuid = new String(buffer);
            Log.d(TAG, "readDeviceUUID uuid:" + uuid);
            return uuid;
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
    return uuid;
}