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:business.security.control.OwmClient.java

private JSONObject doQuery(String subUrl) throws JSONException, IOException {
    String responseBody = null;/*from  w  ww.  j a  v a 2s .  c  o  m*/
    HttpGet httpget = new HttpGet(this.baseOwmUrl + subUrl);
    if (this.owmAPPID != null) {
        httpget.addHeader(OwmClient.APPID_HEADER, this.owmAPPID);
    }

    HttpResponse response = this.httpClient.execute(httpget);
    InputStream contentStream = null;
    try {
        StatusLine statusLine = response.getStatusLine();
        if (statusLine == null) {
            throw new IOException(String.format("Unable to get a response from OWM server"));
        }
        int statusCode = statusLine.getStatusCode();
        if (statusCode < 200 && statusCode >= 300) {
            throw new IOException(
                    String.format("OWM server responded with status code %d: %s", statusCode, statusLine));
        }
        /* Read the response content */
        HttpEntity responseEntity = response.getEntity();
        contentStream = responseEntity.getContent();
        Reader isReader = new InputStreamReader(contentStream);
        int contentSize = (int) responseEntity.getContentLength();
        if (contentSize < 0) {
            contentSize = 8 * 1024;
        }
        StringWriter strWriter = new StringWriter(contentSize);
        char[] buffer = new char[8 * 1024];
        int n = 0;
        while ((n = isReader.read(buffer)) != -1) {
            strWriter.write(buffer, 0, n);
        }
        responseBody = strWriter.toString();
        contentStream.close();
    } catch (IOException e) {
        throw e;
    } catch (RuntimeException re) {
        httpget.abort();
        throw re;
    } finally {
        if (contentStream != null) {
            contentStream.close();
        }
    }
    return new JSONObject(responseBody);
}

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From source file:com.linuxbox.enkive.docsearch.indri.IndriDocSearchIndexService.java

private int indexDocumentAsString(Document doc, String identifier)
        throws DocStoreException, DocSearchException {
    try {/* w  ww  .  j  a va  2  s  .co m*/
        final StringBuilder docString = new StringBuilder();
        final Reader input = contentAnalyzer.parseIntoText(doc);
        final char buffer[] = new char[4096];

        int charsRead;

        while ((charsRead = input.read(buffer)) > 0) {
            docString.append(buffer, 0, charsRead);
        }

        final Map<String, String> metaData = new HashMap<String, String>();

        metaData.put(NAME_FIELD, identifier);

        int documentId = indexEnvironmentManager.doAction(new IndexEnvironmentAction<Integer, Exception>() {
            @Override
            public Integer withIndexEnvironmentDo(IndexEnvironment indexEnvironment) throws Exception {
                return indexEnvironment.addString(docString.toString(), TEXT_FORMAT, metaData);
            }
        });

        return documentId;
    } catch (DocStoreException e) {
        throw e;
    } catch (Exception e) {
        throw new DocSearchException("could not index \"" + identifier + "\"", e);
    }
}

---

From source file:com.recomdata.transmart.data.export.util.FileWriterUtil.java

public String getClobAsString(Clob clob) {
    String strVal = "";
    Reader reader = null;
    StringBuffer strBuf = null;//from   w w  w . jav a 2s .co  m
    try {
        if (null != clob) {
            Long clobLength = (null != clob) ? clob.length() : 0;
            reader = clob.getCharacterStream();

            if (null != clobLength && clobLength > 0 && null != reader) {
                //Here length of String is being rounded to 5000 * n, this is because the buffer size is 5000
                //Sometimes the cloblength is less than 5000 * n
                char[] buffer = new char[clobLength.intValue()];
                @SuppressWarnings("unused")
                int count = 0;
                strBuf = new StringBuffer();
                while ((count = reader.read(buffer)) > 0) {
                    strBuf.append(buffer);
                }
                strVal = strBuf.toString();
            }
        }
    } catch (IOException e) {
        log.info(e.getMessage());
    } catch (SQLException e2) {
        log.info("SQLException :: " + e2.getMessage());
    } finally {
        try {
            if (null != reader)
                reader.close();

            //Nullify the objects so they become ready for Garbage Collection
            reader = null;
            strBuf = null;
            clob = null;
            super.finalize();
        } catch (IOException e) {
            log.info("Error closing Reader in getClobAsString");
        } catch (Throwable e) {
            log.info("Error during super.finalize()");
        }
    }

    return strVal;
}

---

From source file:com.joliciel.frenchTreebank.search.XmlPatternSearchImpl.java

public void setXmlPatternFile(String xmlPatternFile) {
    try {/*from   w  w  w .  ja va  2  s.  c o  m*/
        StringBuffer fileData = new StringBuffer(1000);
        Reader reader = new UnicodeReader(new FileInputStream(xmlPatternFile), "UTF-8");

        char[] buf = new char[1024];
        int numRead = 0;
        while ((numRead = reader.read(buf)) != -1) {
            String readData = String.valueOf(buf, 0, numRead);
            fileData.append(readData);
            buf = new char[1024];
        }
        reader.close();

        xmlPattern = fileData.toString();
        LOG.debug(xmlPattern);
    } catch (FileNotFoundException e) {
        LogUtils.logError(LOG, e);
        throw new RuntimeException(e);
    } catch (IOException e) {
        LogUtils.logError(LOG, e);
        throw new RuntimeException(e);
    }

}

---

From source file:com.example.android.networkconnect.MainActivity.java

/**
 * Reads an InputStream and converts it to a String.
 *
 * @param stream InputStream containing HTML from targeted site.
 * @param len    Length of string that this method returns.
 * @return String concatenated according to len parameter.
 * @throws java.io.IOException//  www.j a  v  a 2s. co  m
 * @throws java.io.UnsupportedEncodingException
 */
private String readIt(InputStream stream, int len) throws IOException, UnsupportedEncodingException {

    //  BufferedReader r = new BufferedReader(new InputStreamReader(stream));
    //StringBuilder total = new StringBuilder();
    //String line;
    //while ((line = r.readLine()) != null) {
    //  total.append(line);
    //}
    //return total.toString();

    Reader reader = null;
    //stream.available();
    reader = new InputStreamReader(stream, "UTF-8");
    char[] buffer = new char[len];
    reader.read(buffer);
    return new String(buffer);
}

---

From source file:com.mocap.MocapFragment.java

private String readIt(InputStream stream, int len) throws IOException, UnsupportedEncodingException {

    //  BufferedReader r = new BufferedReader(new InputStreamReader(stream));
    //StringBuilder total = new StringBuilder();
    //String line;
    //while ((line = r.readLine()) != null) {
    //  total.append(line);
    //}/* w ww .j a va2 s  .  c om*/
    //return total.toString();

    Reader reader = null;
    //stream.available();
    reader = new InputStreamReader(stream, "UTF-8");
    char[] buffer = new char[len];
    reader.read(buffer);
    return new String(buffer);
}

---

From source file:de.interactive_instruments.ShapeChange.BasicTest.java

private String readFile(String fileName) throws Exception {
    InputStream stream = new FileInputStream(new File(fileName));

    Writer writer = new StringWriter();
    char[] buffer = new char[1024];
    Reader reader = null;
    try {//from   ww  w  .j a  va 2s  .c  o m
        reader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
        int n;
        while ((n = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, n);
        }
    } finally {
        if (reader != null)
            reader.close();
    }
    return writer.toString();
}

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From source file:org.jmxtrans.embedded.output.CopperEggWriter.java

public String convertStreamToString(InputStream is) throws IOException {
    ////from  w  w  w .j  av a  2  s.  c om
    // To convert the InputStream to String we use the
    // Reader.read(char[] buffer) method. We iterate until the
    // Reader return -1 which means there's no more data to
    // read. We use the StringWriter class to produce the string.
    //
    if (is != null) {
        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);
            }
        } finally {
            is.close();
        }
        return writer.toString();
    } else {
        return "";
    }
}

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From source file:de.mpg.mpdl.inge.pubman.web.sword.SwordUtil.java

/**
 * This method takes a zip file and reads out the entries.
 * /*from w w w .ja  va 2 s  . co  m*/
 * @param in
 * @throws TechnicalException
 * @throws NamingException
 * @throws SWORDContentTypeException
 */
public PubItemVO readZipFile(InputStream in, AccountUserVO user)
        throws ItemInvalidException, ContentStreamNotFoundException, Exception {
    String item = null;
    List<FileVO> attachements = new ArrayList<FileVO>();
    // List<String> attachementsNames = new ArrayList< String>();
    PubItemVO pubItem = null;
    final int bufLength = 1024;
    char[] buffer = new char[bufLength];
    int readReturn;
    int count = 0;

    try {
        ZipEntry zipentry;
        ZipInputStream zipinputstream = new ZipInputStream(in);
        // ByteArrayOutputStream baos = new ByteArrayOutputStream();

        while ((zipentry = zipinputstream.getNextEntry()) != null) {
            count++;
            this.logger.debug("Processing zip entry file: " + zipentry.getName());

            String name = URLDecoder.decode(zipentry.getName(), "UTF-8");
            name = name.replaceAll("/", "_slsh_");
            this.filenames.add(name);
            boolean metadata = false;

            // check if the file is a metadata file
            for (int i = 0; i < this.fileEndings.length; i++) {

                String ending = this.fileEndings[i];
                if (name.endsWith(ending)) {
                    metadata = true;
                    // Retrieve the metadata

                    StringWriter sw = new StringWriter();
                    Reader reader = new BufferedReader(new InputStreamReader(zipinputstream, "UTF-8"));

                    while ((readReturn = reader.read(buffer)) != -1) {
                        sw.write(buffer, 0, readReturn);
                    }

                    item = new String(sw.toString());
                    this.depositXml = item;
                    this.depositXmlFileName = name;
                    pubItem = createItem(item, user);

                    // if not escidoc format, add as component
                    if (!this.currentDeposit.getFormatNamespace().equals(this.mdFormatEscidoc)) {
                        attachements.add(convertToFileAndAdd(new ByteArrayInputStream(item.getBytes("UTF-8")),
                                name, user, zipentry));
                    }
                }
            }

            if (!metadata) {
                attachements.add(convertToFileAndAdd(zipinputstream, name, user, zipentry));
            }

            zipinputstream.closeEntry();
        }
        zipinputstream.close();

        // Now add the components to the Pub Item (if they do not exist. If they exist, use the
        // existing component metadata and just change the content)
        for (FileVO newFile : attachements) {
            boolean existing = false;
            for (FileVO existingFile : pubItem.getFiles()) {
                if (existingFile.getName().replaceAll("/", "_slsh_").equals(newFile.getName())) {
                    // file already exists, replace content
                    existingFile.setContent(newFile.getContent());
                    existingFile.getDefaultMetadata().setSize(newFile.getDefaultMetadata().getSize());
                    existing = true;
                }
            }

            if (!existing) {
                pubItem.getFiles().add(newFile);
            }

        }

        // If peer format, add additional copyright information to component. They are read from the
        // TEI metadata.
        if (this.currentDeposit.getFormatNamespace().equals(this.mdFormatPeerTEI)) {
            // Copyright information are imported from metadata file
            InitialContext initialContext = new InitialContext();
            XmlTransformingBean xmlTransforming = new XmlTransformingBean();
            Transformation transformer = new TransformationBean();
            Format teiFormat = new Format("peer_tei", "application/xml", "UTF-8");
            Format escidocComponentFormat = new Format("eSciDoc-publication-component", "application/xml",
                    "UTF-8");
            String fileXml = new String(transformer.transform(this.depositXml.getBytes(), teiFormat,
                    escidocComponentFormat, "escidoc"), "UTF-8");
            try {
                FileVO transformdedFileVO = xmlTransforming.transformToFileVO(fileXml);
                for (FileVO pubItemFile : pubItem.getFiles()) {
                    pubItemFile.getDefaultMetadata()
                            .setRights(transformdedFileVO.getDefaultMetadata().getRights());
                    pubItemFile.getDefaultMetadata()
                            .setCopyrightDate(transformdedFileVO.getDefaultMetadata().getCopyrightDate());
                }
            } catch (TechnicalException e) {
                this.logger.error("File Xml could not be transformed into FileVO. ", e);
            }
        }

    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    if (count == 0) {
        this.logger.info("No zip file was provided.");
        this.depositServlet.setError("No zip file was provided.");
        throw new SWORDContentTypeException();
    }

    // pubItem = this.processFiles(item, attachements, attachementsNames, user);

    return pubItem;
}

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