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(char cbuf[]) throws IOException 

Source Link

Document

Reads characters into an array.

Usage

From source file:it.tidalwave.northernwind.frontend.ui.component.htmltemplate.TextHolder.java

private void loadTemplate() throws IOException {
    // FIXME: this should be done only once...
    Resource resource = null;//from  ww w  .  ja v a2s  .  co m

    for (Class<?> clazz = getClass(); clazz.getSuperclass() != null; clazz = clazz.getSuperclass()) {
        final String templateName = clazz.getSimpleName() + ".txt";
        resource = new ClassPathResource(templateName, clazz);

        if (resource.exists()) {
            break;
        }
    }

    try {
        if (resource == null) {
            throw new FileNotFoundException();
        }

        final @Cleanup Reader r = new InputStreamReader(resource.getInputStream());
        final CharBuffer charBuffer = CharBuffer.allocate((int) resource.contentLength());
        final int length = r.read(charBuffer);
        r.close();
        template = new String(charBuffer.array(), 0, length);
    } catch (FileNotFoundException e) // no specific template, fallback
    {
        log.warn("No template for {}, using default", getClass().getSimpleName());
        template = "$content$\n";
    }
}

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From source file:android.net.http.AbstractProxyTest.java

private String contentToString(HttpResponse response) throws IOException {
    StringWriter writer = new StringWriter();
    char[] buffer = new char[1024];
    Reader reader = new InputStreamReader(response.getEntity().getContent());
    int length;//from  w  w w.  j a v a2 s  . c om
    while ((length = reader.read(buffer)) != -1) {
        writer.write(buffer, 0, length);
    }
    reader.close();
    return writer.toString();
}

---

From source file:com.icesoft.faces.renderkit.IncludeRenderer.java

public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
    if (context == null || component == null) {
        throw new NullPointerException("Null Faces context or component parameter");
    }/*from   ww w . java 2  s.  co m*/
    // suppress rendering if "rendered" property on the component is
    // false.
    if (!component.isRendered()) {
        return;
    }

    String page = (String) component.getAttributes().get("page");

    HttpServletRequest request = (HttpServletRequest) context.getExternalContext().getRequest();
    URI absoluteURI = null;
    try {
        absoluteURI = new URI(request.getScheme() + "://" + request.getServerName() + ":"
                + request.getServerPort() + request.getRequestURI());
        URL includedURL = absoluteURI.resolve(page).toURL();
        URLConnection includedConnection = includedURL.openConnection();
        includedConnection.setRequestProperty("Cookie",
                "JSESSIONID=" + ((HttpSession) context.getExternalContext().getSession(false)).getId());
        Reader contentsReader = new InputStreamReader(includedConnection.getInputStream());

        try {
            StringWriter includedContents = new StringWriter();
            char[] buf = new char[2000];
            int len = 0;
            while ((len = contentsReader.read(buf)) > -1) {
                includedContents.write(buf, 0, len);
            }

            ((UIOutput) component).setValue(includedContents.toString());
        } finally {
            contentsReader.close();
        }
    } catch (Exception e) {
        if (log.isDebugEnabled()) {
            log.debug(e.getMessage());
        }
    }

    super.encodeBegin(context, component);
}

---

From source file:gov.nih.nci.cabig.caaers.api.AdeersReportGeneratorTest.java

public void testImage() throws Exception {

    generator.setAdverseEventReportSerializer(new AdverseEventReportSerializer());
    generator.setEvaluationService(evaluationService);
    String xmlFileName = "expedited_report_caaers_complete.xml";
    InputStream is = AdeersReportGeneratorTest.class.getClassLoader().getResourceAsStream(xmlFileName);
    Writer writer = new StringWriter();
    if (is != null) {
        char[] buffer = new char[1024];
        try {//w w  w .  j a v  a  2  s  .  c om
            Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            int n;
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
            reader.close();
        } finally {
            is.close();
        }
    }

    String caAERSXML = writer.toString();

    //System.out.println(caAERSXML);
    long now = System.currentTimeMillis();
    String fileName = System.getProperty("java.io.tmpdir") + File.separator + "ae" + String.valueOf(now)
            + "report.png";
    List<String> list = generator.generateImage(caAERSXML, fileName);

}

---

From source file:com.claude.sharecam.util.CountryMaster.java

private CountryMaster(Context context) {
    mContext = context;// w w  w  .j  a  va 2  s. co  m
    Resources res = mContext.getResources();

    // builds country data from json
    InputStream is = res.openRawResource(R.raw.countries);
    Writer writer = new StringWriter();
    char[] buffer = new char[1024];
    try {
        Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
        int n;
        while ((n = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, n);
        }
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            is.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    String jsonString = writer.toString();
    JSONArray json = new JSONArray();
    try {
        json = new JSONArray(jsonString);
    } catch (JSONException e) {
        e.printStackTrace();
    }
    mCountryList = new String[json.length()];
    for (int i = 0; i < json.length(); i++) {
        JSONObject node = json.optJSONObject(i);
        if (node != null) {
            Country country = new Country();
            country.mCountryIso = node.optString("iso");
            country.mDialPrefix = node.optString("tel");
            country.mCountryName = getCountryName(node.optString("iso"));
            mCountries.add(country);
            mCountryList[i] = country.mCountryIso;
        }
    }
}

---

From source file:com.stimulus.archiva.language.LanguageIdentifier.java

public String identify(Reader reader) throws IOException {

    StringBuffer out = new StringBuffer();
    char[] buffer = new char[2048];
    int len = 0;//from w ww.j a v  a  2 s.c  om

    while (((len = reader.read(buffer)) != -1) && ((analyzeLength == 0) || (out.length() < analyzeLength))) {
        if (analyzeLength != 0) {
            len = Math.min(len, analyzeLength - out.length());
        }
        out.append(buffer, 0, len);
    }

    if (out.length() < MINIMUM_SAMPLE_LENGTH) {
        logger.debug("the sample is too small to reliably detect the language.");
        return null;
    }
    return identify(out);
}

---

From source file:com.bah.applefox.main.plugins.fulltextindex.FTLoader.java

/** This method is used to get the page source from the given URL
 * @param url - the url from which to get the contents
 * @return - the page contents// w w w.  j  a  va 2  s.  c  om
 */
private static String getPageContents(URL url) {

    String pageContents = "";
    try {

        // Open the URL Connection
        URLConnection con = url.openConnection();

        // Get the file path, and eliminate unreadable documents
        String filePath = url.toString();

        // Reads content only if it is a valid format

        if (!(filePath.endsWith(".pdf") || filePath.endsWith(".doc") || filePath.endsWith(".jsp")
                || filePath.endsWith("rss") || filePath.endsWith(".css"))) {
            // Sets the connection timeout (in milliseconds)
            con.setConnectTimeout(1000);

            // Tries to match the character set of the Web Page
            String charset = "utf-8";
            try {
                Matcher m = Pattern.compile("\\s+charset=([^\\s]+)\\s*").matcher(con.getContentType());
                charset = m.matches() ? m.group(1) : "utf-8";
            } catch (Exception e) {
                log.error("Page had no specified charset");
            }

            // Reader derived from the URL Connection's input stream, with
            // the
            // given character set
            Reader r = new InputStreamReader(con.getInputStream(), charset);

            // String Buffer used to append each chunk of Web Page data
            StringBuffer buf = new StringBuffer();

            // Tries to get an estimate of bytes available
            int BUFFER_SIZE = con.getInputStream().available();

            // If BUFFER_SIZE is too small, increases the size
            if (BUFFER_SIZE <= 1000) {
                BUFFER_SIZE = 1000;
            }

            // Character array to hold each chunk of Web Page data
            char[] ch = new char[BUFFER_SIZE];

            // Read the first chunk of Web Page data
            int len = r.read(ch);

            // Loops until end of the Web Page is reached
            while (len != -1) {

                // Appends the data chunk to the string buffer and gets the
                // next chunk
                buf.append(ch, 0, len);
                len = r.read(ch, 0, BUFFER_SIZE);
            }

            // Sets the pageContents to the newly created string
            pageContents = buf.toString();
        }
    } catch (UnsupportedEncodingException e) {
        if (e.getMessage() != null) {
            log.error(e.getMessage());
        } else {
            log.error(e.getStackTrace());
        }

        // Assume the body contents are blank if the character encoding is
        // not supported
        pageContents = "";
    } catch (IOException e) {
        if (e.getMessage() != null) {
            log.error(e.getMessage());
        } else {
            log.error(e.getStackTrace());
        }

        // Assume the body contents are blank if the Web Page could not be
        // accessed
        pageContents = "";
    }

    return pageContents;
}

---

From source file:com.itude.mobile.android.util.DataUtil.java

/**
 * Get the byte array from an asset or file.
 * //ww  w.  ja va 2s.c  o m
 * @param filename file name
 * @return byte array
 */
public byte[] readFromAssetOrFile(String filename) {
    if (_filenameToReader.containsKey(filename)) {
        // we have previously read this file, so use the correct reader directly.
        Reader readerForThisFile = _filenameToReader.get(filename);
        return readerForThisFile.read(filename);
    } else {
        // first time we try to read this file, try all readers
        TwinResult<byte[], Reader> result = _readerAll.read(filename);
        if (result._mainResult == null) {
            // in future we just dont try for this file anymore
            _filenameToReader.put(filename, _readerNone);
            // and only the first time we give a message
            String message = "DataUtil.readFromAssetOrFile: unable to read file or asset data from file with name "
                    + filename;
            MBLog.i(TAG, message);
        } else {
            // in future immediately use the correct reader for this filename
            _filenameToReader.put(filename, result._secondResult);
        }
        return result._mainResult;
    }
}

---

From source file:io.hypertrack.sendeta.model.CountryMaster.java

private CountryMaster(Context context) {
    mContext = context;/*from   w  w  w .j  a  v  a2  s .c  o  m*/
    Resources res = mContext.getResources();

    // builds country data from json
    InputStream is = res.openRawResource(R.raw.countries);
    Writer writer = new StringWriter();
    char[] buffer = new char[1024];
    try {
        Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
        int n;
        while ((n = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, n);
        }
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            is.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    String jsonString = writer.toString();
    JSONArray json = new JSONArray();
    try {
        json = new JSONArray(jsonString);
    } catch (JSONException e) {
        e.printStackTrace();
    }
    mCountryList = new String[json.length()];
    for (int i = 0; i < json.length(); i++) {
        JSONObject node = json.optJSONObject(i);
        if (node != null) {
            Country country = new Country();
            country.mCountryIso = node.optString("iso");
            country.mDialPrefix = node.optString("tel");
            country.mCountryName = getCountryName(node.optString("iso"));
            country.mImageId = getCountryFlagImageResource(node.optString("iso"));

            mCountries.add(country);
            mCountryList[i] = country.mCountryIso;
        }
    }
}

---

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