Example usage for java.io Reader read

List of usage examples for java.io Reader read

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Introduction

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

Prototype

public int read(char cbuf[]) throws IOException

Source Link

Document

Reads characters into an array.

Usage

From source file:com.jims.oauth2.common.utils.OAuthUtils.java

/**
 * Get the entity content as a String, using the provided default character set
 * if none is found in the entity./*  ww w  .  j a  v  a  2 s.c  o m*/
 * If defaultCharset is null, the default "UTF-8" is used.
 *
 * @param is             input stream to be saved as string
 * @param defaultCharset character set to be applied if none found in the entity
 * @return the entity content as a String
 * @throws IllegalArgumentException if entity is null or if content length > Integer.MAX_VALUE
 * @throws java.io.IOException              if an error occurs reading the input stream
 */
public static String toString(final InputStream is, final String defaultCharset) throws IOException {
    if (is == null) {
        throw new IllegalArgumentException("InputStream may not be null");
    }

    String charset = defaultCharset;
    if (charset == null) {
        charset = DEFAULT_CONTENT_CHARSET;
    }
    Reader reader = new InputStreamReader(is, charset);
    StringBuilder sb = new StringBuilder();
    int l;
    try {
        char[] tmp = new char[4096];
        while ((l = reader.read(tmp)) != -1) {
            sb.append(tmp, 0, l);
        }
    } finally {
        reader.close();
    }
    return sb.toString();
}

From source file:it.intecs.pisa.toolbox.util.URLReader.java

public static Object getURLContent(String url) throws Exception {
    HttpMethod method;/*from  w w w  .j  av  a  2s .co m*/
    try {
        ToolboxConfiguration toolboxConfiguration;
        toolboxConfiguration = ToolboxConfiguration.getInstance();

        String host = "http://services.eoportal.org"; //toolboxConfiguration.getConfigurationValue(ToolboxConfiguration.SSE_PORTAL);
        String fullUrl;

        URLConnection conn;
        URL connUrl;

        if (url.startsWith("http://"))
            fullUrl = url;
        else
            fullUrl = host + url;

        connUrl = new URL(fullUrl);
        conn = connUrl.openConnection();

        Reader in = new InputStreamReader(conn.getInputStream());
        StringBuffer out = new StringBuffer();
        char[] buffer = new char[1024];
        for (int count = in.read(buffer); count >= 0; count = in.read(buffer)) {
            out.append(buffer, 0, count);
        }
        return out.toString();
    } catch (Exception e) {
        e.printStackTrace(System.out);
        return null;
    }
}

From source file:IOUtil.java

/**
 * Copy chars from a <code>Reader</code> to a <code>Writer</code>.
 * @param bufferSize Size of internal buffer to use.
 *///from   ww  w.j  a v  a 2  s. c o  m
public static void copy(final Reader input, final Writer output, final int bufferSize) throws IOException {
    final char[] buffer = new char[bufferSize];
    int n = 0;
    while (-1 != (n = input.read(buffer))) {
        output.write(buffer, 0, n);
    }
}

From source file:it.intecs.pisa.toolbox.util.URLReader.java

public static Object getURLContent(String host, String url, int port) throws Exception {
    HttpMethod method;/* w  w  w  . j  av a  2  s .c  o m*/
    try {
        method = new GetMethod(url);
        HttpConnection conn = new HttpConnection(host, port);
        String proxyHost;
        String proxyPort;
        if ((proxyHost = System.getProperty("http.proxyHost")) != null
                && (proxyPort = System.getProperty("http.proxyPort")) != null) {
            conn.setProxyHost(proxyHost);
            conn.setProxyPort(Integer.parseInt(proxyPort));
        }
        conn.open();
        method.execute(new HttpState(), conn);
        String inpTmp = method.getResponseBodyAsString();
        Reader in = new InputStreamReader(method.getResponseBodyAsStream());
        StringBuffer out = new StringBuffer();
        char[] buffer = new char[1024];
        for (int count = in.read(buffer); count >= 0; count = in.read(buffer)) {
            out.append(buffer, 0, count);
        }
        return out.toString();
    } catch (Exception e) {
        e.printStackTrace(System.out);
        return null;
    }
}

From source file:com.icesoft.faces.webapp.parser.JspPageToDocument.java

static String getInputAsString(Reader in) {
    char[] buf = new char[1024];
    StringWriter out = new StringWriter();

    try {/*from   w w  w  .j a va  2  s  . com*/
        int l = 1;
        while (l > 0) {
            l = in.read(buf);
            if (l > 0) {
                out.write(buf, 0, l);
            }
        }
    } catch (IOException e) {
        if (log.isWarnEnabled()) {
            log.warn(e.getMessage(), e);
        }
    }
    return out.toString();

}

From source file:com.almarsoft.GroundhogReader.lib.FSUtils.java

public static void writeReaderToDiskFile(Reader data, String fullPath, String fileName) throws IOException {

    File outDir = new File(fullPath);

    if (!outDir.exists())
        outDir.mkdirs();// w  w  w  .j a  v  a2 s  .c  o m

    BufferedWriter out = null;

    try {
        FileWriter writer = new FileWriter(fullPath + fileName);
        out = new BufferedWriter(writer);

        String readData = null;
        char[] buf = new char[1024];
        int numRead = 0;

        while ((numRead = data.read(buf)) != -1) {
            readData = String.valueOf(buf, 0, numRead);
            out.write(readData);
            buf = new char[1024];
        }

        //out.write(data);
        out.flush();
    } finally {
        if (out != null)
            out.close();
    }
}

From source file:ac.elements.io.Signature.java

/**
 * Read stream into string./*from   w w w  . ja  va 2  s . c om*/
 * 
 * @param input
 *            stream to read
 * 
 * @return the respons body as string
 * 
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
private static String getResponsBodyAsString(InputStream input) throws IOException {
    String responsBodyString = null;
    try {
        Reader reader = new InputStreamReader(input, DEFAULT_ENCODING);
        StringBuilder b = new StringBuilder();
        char[] c = new char[1024];
        int len;
        while (0 < (len = reader.read(c))) {
            b.append(c, 0, len);
        }
        responsBodyString = b.toString();
    } finally {
        input.close();
    }
    return responsBodyString;
}

From source file:org.apache.drill.test.framework.Utils.java

private static String getHttpResponseAsString(HttpResponse response) throws IOException {
    Reader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent(), "UTF-8"));
    StringBuilder builder = new StringBuilder();
    char[] buffer = new char[1024];
    int l = 0;/*  ww  w. j  ava  2s.c o m*/
    while (l >= 0) {
        builder.append(buffer, 0, l);
        l = reader.read(buffer);
    }
    return builder.toString();
}

From source file:com.zotoh.core.io.StreamUte.java

private static String readTextFile(File fn, String encoding) throws IOException {

    Reader rdr = new InputStreamReader(readStream(fn), isEmpty(encoding) ? UTF8 : encoding);
    StringBuilder sb = new StringBuilder(4096);
    char[] cs = new char[4096];
    int n;/*from   w  w  w. j  a v  a 2  s .  co  m*/

    try {
        while ((n = rdr.read(cs)) > 0) {
            sb.append(cs, 0, n);
        }
        return sb.toString();
    } finally {
        close(rdr);
    }
}

From source file:org.apache.manifoldcf.crawler.connectors.meridio.CommonsHTTPSender.java

private static String getResponseBodyAsString(BackgroundHTTPThread methodThread)
        throws IOException, InterruptedException, HttpException {
    InputStream is = methodThread.getSafeInputStream();
    if (is != null) {
        try {// www.j  a  v  a 2s .c o  m
            String charSet = methodThread.getCharSet();
            if (charSet == null)
                charSet = "utf-8";
            char[] buffer = new char[65536];
            Reader r = new InputStreamReader(is, charSet);
            Writer w = new StringWriter();
            try {
                while (true) {
                    int amt = r.read(buffer);
                    if (amt == -1)
                        break;
                    w.write(buffer, 0, amt);
                }
            } finally {
                w.flush();
            }
            return w.toString();
        } finally {
            is.close();
        }
    }
    return "";
}