Example usage for java.io Reader close

Introduction

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

Prototype

public abstract void close() throws IOException;

Source Link

Document

Closes the stream and releases any system resources associated with it.

Usage

From source file:com.prowidesoftware.swift.utils.Lib.java

/**
 * Read the content of the given stream into a string.
 *
 * @param stream the contents to read//from w w  w .j  av a 2  s.c o m
 * @param enconding optional encoding to use, if null "UTF-8" is used as default
 * @return the read content
 * @throws IOException
 * @since 7.7
 */
public static String readStream(final InputStream stream, final String enconding) throws IOException {
    if (stream == null) {
        return null;
    }
    final StringBuilder out = new StringBuilder();
    final String enc = enconding != null ? enconding : "UTF-8";
    final Reader in = new InputStreamReader(stream, enc);
    try {
        int c = 0;
        while ((c = in.read()) != -1) {
            out.append((char) c);
        }
    } finally {
        in.close();
    }
    return out.toString();
}

From source file:Main.java

public static String descomprimeComGZIP(byte[] bytes, String encoding) {
    String decompressedString = "";
    try {//from w  w w  . j a  v  a 2s. c  o  m
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        GZIPInputStream gzip = new GZIPInputStream(bais);
        Reader reader = new InputStreamReader(gzip, encoding);
        StringBuffer sbuf = new StringBuffer();
        char[] buffer = new char[32 * 1024];
        int nread;
        while ((nread = reader.read(buffer)) >= 0) {
            sbuf.append(buffer, 0, nread);
        }
        decompressedString = sbuf.toString();
        reader.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return decompressedString;
}

From source file:com.nebhale.jsonpath.testutils.JsonUtils.java

private static String readFile(String file) throws IOException {
    StringBuilder sb = new StringBuilder();

    Reader in = null;
    try {// ww w.  j  ava 2  s. c  o  m
        in = new FileReader(file);

        char[] buffer = new char[8192];
        int length;
        while ((length = in.read(buffer)) != -1) {
            sb.append(buffer, 0, length);
        }
    } finally {
        if (in != null) {
            in.close();
        }
    }

    return sb.toString();
}

From source file:ca.simplegames.micro.utils.IO.java

/**
 * Close the given stream if the stream is not null.
 *
 * @param s The stream/* w  ww .  java 2s .co  m*/
 */

public static void close(Reader s) {
    if (s != null) {
        try {
            s.close();
        } catch (Exception e) {
            log.error("Error closing reader: " + e.getMessage());
        }
    }
}

From source file:Main.java

static String readFully(Reader reader) throws IOException {
    try {//from   w w  w.  ja  v a  2  s  .c  om
        StringWriter writer = new StringWriter();
        char[] buffer = new char[1024];
        int count;
        while ((count = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, count);
        }
        return writer.toString();
    } finally {
        reader.close();
    }
}

From source file:Main.java

public static <T> T xml2Obj(String xmlString, Class<T> clazz) throws RuntimeException {
    T c = null;/*from w  w w.  j av  a2  s. c om*/
    Reader reader = null;
    try {
        reader = new StringReader(xmlString);
        Unmarshaller unMarshaller = JAXBContext.newInstance(clazz).createUnmarshaller();
        c = (T) unMarshaller.unmarshal(reader);
    } catch (JAXBException ex) {
        throw new RuntimeException(ex);
    } finally {
        try {
            reader.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
    return c;
}

From source file:com.aqnote.shared.cryptology.util.lang.StreamUtil.java

public static void close(Reader reader) {
    try {// w w  w .  j a v  a2 s  .co m
        if (reader != null)
            reader.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

/**
 * Descomprime uma string utilizando o GZIP
 * // w  ww  .j  a v  a  2s .co  m
 * @param str
 * @param encoding
 * @return
 */
public static String gzipDecompress(byte[] bytes, String encoding) {
    String decompressedString = "";

    try {
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        GZIPInputStream gzip = new GZIPInputStream(bais);
        Reader reader = new InputStreamReader(gzip, encoding);
        StringBuffer sbuf = new StringBuffer();
        char[] buffer = new char[32 * 1024];
        int nread;
        while ((nread = reader.read(buffer)) >= 0) {
            sbuf.append(buffer, 0, nread);
        }
        decompressedString = sbuf.toString();
        reader.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return decompressedString;
}

From source file:Main.java

/**
 * Descomprime uma string utilizando o GZIP
 * //  www .j  av  a 2 s. c  o m
 * @param str
 * @param encoding
 * @return
 */
public static String gzipDecompressString(String str, String encoding) {
    String decompressedString = "";

    try {
        byte[] bytes = Base64.decodeBase64(str.getBytes(encoding));
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        GZIPInputStream gzip = new GZIPInputStream(bais);
        Reader reader = new InputStreamReader(gzip, encoding);
        StringBuffer sbuf = new StringBuffer();
        char[] buffer = new char[32 * 1024];
        int nread;
        while ((nread = reader.read(buffer)) >= 0) {
            sbuf.append(buffer, 0, nread);
        }
        decompressedString = sbuf.toString();
        reader.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return decompressedString;
}

From source file:Main.java

public static String request(String url, Map<String, String> cookies, Map<String, String> parameters)
        throws Exception {
    HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
    connection.setRequestProperty("User-Agent",
            "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36");
    if (cookies != null && !cookies.isEmpty()) {
        StringBuilder cookieHeader = new StringBuilder();
        for (String cookie : cookies.values()) {
            if (cookieHeader.length() > 0) {
                cookieHeader.append(";");
            }/* w w w .  j  a  va  2 s  . c o m*/
            cookieHeader.append(cookie);
        }
        connection.setRequestProperty("Cookie", cookieHeader.toString());
    }
    connection.setDoInput(true);
    if (parameters != null && !parameters.isEmpty()) {
        connection.setDoOutput(true);
        OutputStreamWriter osw = new OutputStreamWriter(connection.getOutputStream());
        osw.write(parametersToWWWFormURLEncoded(parameters));
        osw.flush();
        osw.close();
    }
    if (cookies != null) {
        for (Map.Entry<String, List<String>> headerEntry : connection.getHeaderFields().entrySet()) {
            if (headerEntry != null && headerEntry.getKey() != null
                    && headerEntry.getKey().equalsIgnoreCase("Set-Cookie")) {
                for (String header : headerEntry.getValue()) {
                    for (HttpCookie httpCookie : HttpCookie.parse(header)) {
                        cookies.put(httpCookie.getName(), httpCookie.toString());
                    }
                }
            }
        }
    }
    Reader r = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    StringWriter w = new StringWriter();
    char[] buffer = new char[1024];
    int n = 0;
    while ((n = r.read(buffer)) != -1) {
        w.write(buffer, 0, n);
    }
    r.close();
    return w.toString();
}