Example usage for java.io InputStreamReader close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Usage

From source file:cuanto.api.CuantoConnector.java

/**
 * This is here to substitute for HttpMethod.getResponseBodyAsString(), which logs an annoying error message each time
 * it's called./*from   w  ww  .  jav a 2s  . com*/
 *
 * @param method The method for which to get the response.
 * @return The full response body as a String.
 * @throws IOException If something bad happened.
 */
private String getResponseBodyAsString(HttpMethod method) throws IOException {
    InputStreamReader reader = new InputStreamReader(method.getResponseBodyAsStream());
    StringWriter writer = new StringWriter();
    int in;
    while ((in = reader.read()) != -1) {
        writer.write(in);
    }
    reader.close();
    return writer.toString();
}

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From source file:de.teamgrit.grit.checking.compile.JavaCompileChecker.java

/**
 * Runs a command specified by a compiler invocation.
 *
 * @param compilerInvocation/* ww  w.j  a  va2 s  . c om*/
 *            specifies what program with which flags is being executed
 * @param pathToSourceFolder
 *            the path to the source folder of the submission
 * @return CompilerOutput with fields initialized according to the outcome
 *         of the process
 * @throws BadFlagException
 *             if a flag is not known to javac
 */
private CompilerOutput runJavacProcess(List<String> compilerInvocation, Path pathToSourceFolder, boolean junit)
        throws BadFlagException {
    Process compilerProcess = null;
    try {
        ProcessBuilder compilerProcessBuilder = new ProcessBuilder(compilerInvocation);
        // make sure the compiler stays in its directory.
        if (Files.isDirectory(pathToSourceFolder, LinkOption.NOFOLLOW_LINKS)) {
            compilerProcessBuilder.directory(pathToSourceFolder.toFile());
        } else {
            compilerProcessBuilder.directory(pathToSourceFolder.getParent().toFile());
        }
        compilerProcess = compilerProcessBuilder.start();
    } catch (IOException e) {
        // If we cannot call the compiler we return a CompilerOutput
        // which is
        // initialized with false, false, indicating
        // that the compiler wasn't invoked properly and that there was no
        // clean Compile.
        CompilerOutput compilerInvokeError = new CompilerOutput();
        compilerInvokeError.setClean(false);
        compilerInvokeError.setCompilerInvoked(false);
        return compilerInvokeError;
    }

    // Now we read compiler output. If everything is ok javac reports
    // nothing at all.
    InputStream compilerOutputStream = compilerProcess.getErrorStream();
    InputStreamReader compilerStreamReader = new InputStreamReader(compilerOutputStream);
    BufferedReader compilerOutputBuffer = new BufferedReader(compilerStreamReader);
    String line;

    CompilerOutput compilerOutput = new CompilerOutput();
    compilerOutput.setCompilerInvoked(true);

    List<String> compilerOutputLines = new LinkedList<>();

    try {
        while ((line = compilerOutputBuffer.readLine()) != null) {
            compilerOutputLines.add(line);
        }

        compilerOutputStream.close();
        compilerStreamReader.close();
        compilerOutputBuffer.close();
        compilerProcess.destroy();
    } catch (IOException e) {
        // Reading might go wrong here if javac should unexpectedly
        // terminate
        LOGGER.severe("Could not read compiler ourput from its output stream." + " Aborting compile of: "
                + pathToSourceFolder.toString() + " Got message: " + e.getMessage());
        compilerOutput.setClean(false);
        compilerOutput.setCompileStreamBroken(true);
        return compilerOutput;
    }

    splitCompilerOutput(compilerOutputLines, compilerOutput);

    if (compilerOutputLines.size() == 0) {
        compilerOutput.setClean(true);
    }

    return compilerOutput;
}

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From source file:com.sds.acube.jstor.XNDiscXNApi.java

/**
 * XNDisc XNApi ?  ?/*ww  w.j  av  a2 s .  c  o m*/
 */
private static void readVersionFromFile() {
    XNDiscXNApi_PublishingVersion = "<unknown>";
    XNDiscXNApi_PublishingDate = "<unknown>";
    InputStreamReader isr = null;
    LineNumberReader lnr = null;
    try {
        isr = new InputStreamReader(XNDiscXNApi.class.getResourceAsStream("/com/sds/acube/jstor/version.txt"));
        if (isr != null) {
            lnr = new LineNumberReader(isr);
            String line = null;
            do {
                line = lnr.readLine();
                if (line != null) {
                    if (line.startsWith("Publishing-Version=")) {
                        XNDiscXNApi_PublishingVersion = line
                                .substring("Publishing-Version=".length(), line.length()).trim();
                    } else if (line.startsWith("Publishing-Date=")) {
                        XNDiscXNApi_PublishingDate = line.substring("Publishing-Date=".length(), line.length())
                                .trim();
                    }
                }
            } while (line != null);
            lnr.close();
        }
    } catch (IOException ioe) {
        XNDiscXNApi_PublishingVersion = "<unknown>";
        XNDiscXNApi_PublishingDate = "<unknown>";
    } finally {
        try {
            if (lnr != null) {
                lnr.close();
            }
            if (isr != null) {
                isr.close();
            }
        } catch (IOException ioe) {
        }
    }
}

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From source file:org.alloy.metal.xml.merge.MergeContext.java

public String serialize(InputStream in) {
    InputStreamReader reader = null;
    int temp;/* ww  w.  j a  v  a  2  s.co m*/
    StringBuilder item = new StringBuilder();
    boolean eof = false;
    try {
        reader = new InputStreamReader(in);
        while (!eof) {
            temp = reader.read();
            if (temp == -1) {
                eof = true;
            } else {
                item.append((char) temp);
            }
        }
    } catch (IOException e) {
        LOG.error("Unable to merge source and patch locations", e);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (Throwable e) {
                LOG.error("Unable to merge source and patch locations", e);
            }
        }
    }

    return item.toString();
}

---

From source file:com.esri.gpt.control.arcims.ServletConnectorProxy.java

/**
 * Fully reads the characters from an InputStream.
 * //from   ww  w .j  a v  a2  s .  c  o  m
 * @param strm
 *          the InputStream
 * @return the characters read
 * @throws IOException
 *           if an exception occurs
 */
private String readInputCharacters(InputStream inputStream) throws IOException {
    StringBuffer sb = new StringBuffer();
    InputStreamReader ir = null;
    BufferedReader br = null;
    try {

        char cbuf[] = new char[2048];
        int n = 0;
        int nLen = cbuf.length;
        String sEncoding = "UTF-8";

        ir = new InputStreamReader(inputStream, sEncoding);
        br = new BufferedReader(ir);
        while ((n = br.read(cbuf, 0, nLen)) > 0) {
            sb.append(cbuf, 0, n);
        }

    } finally {
        try {
            if (br != null)
                br.close();
        } catch (Exception ef) {
        }
        try {
            if (ir != null)
                ir.close();
        } catch (Exception ef) {
        }
    }
    return sb.toString();
}

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From source file:org.apache.struts2.dispatcher.PlainTextResult.java

protected void doExecute(String finalLocation, ActionInvocation invocation) throws Exception {

    // verify charset
    Charset charset = null;//w ww  .  j  ava 2s .  c  o  m
    if (charSet != null) {
        if (Charset.isSupported(charSet)) {
            charset = Charset.forName(charSet);
        } else {
            _log.warn("charset [" + charSet + "] is not recognized ");
            charset = null;
        }
    }

    HttpServletResponse response = (HttpServletResponse) invocation.getInvocationContext().get(HTTP_RESPONSE);
    ServletContext servletContext = (ServletContext) invocation.getInvocationContext().get(SERVLET_CONTEXT);

    if (charset != null) {
        response.setContentType("text/plain; charset=" + charSet);
    } else {
        response.setContentType("text/plain");
    }
    response.setHeader("Content-Disposition", "inline");

    PrintWriter writer = response.getWriter();
    InputStreamReader reader = null;
    try {
        if (charset != null) {
            reader = new InputStreamReader(servletContext.getResourceAsStream(finalLocation), charset);
        } else {
            reader = new InputStreamReader(servletContext.getResourceAsStream(finalLocation));
        }
        if (reader == null) {
            _log.warn("resource at location [" + finalLocation
                    + "] cannot be obtained (return null) from ServletContext !!! ");
        } else {
            char[] buffer = new char[BUFFER_SIZE];
            int charRead = 0;
            while ((charRead = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, charRead);
            }
        }
    } finally {
        if (reader != null)
            reader.close();
        if (writer != null) {
            writer.flush();
            writer.close();
        }
    }
}

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From source file:ai.eve.volley.Request.java

/**
 * By default, everyone Request is http-base request, if you wants to load
 * local file or perform others, also wants to use Cache, you can override
 * this method to implement non-http request.
 *//*from w ww  .  java  2s .c  om*/
public NetworkResponse perform() {
    if (EApplication.DEBUG) {
        StringBuilder resultStr = new StringBuilder();
        try {
            InputStreamReader inputReader = new InputStreamReader(EApplication.mContext.getAssets().open(mUrl));
            BufferedReader bufReader = new BufferedReader(inputReader);
            String line = "";

            while ((line = bufReader.readLine()) != null) {
                resultStr.append(line);
            }
            inputReader.close();
            bufReader.close();
            return new NetworkResponse(200, resultStr.toString().getBytes(), "UTF-8");
        } catch (Exception e) {
            ELog.E(e.getMessage());
        }
    }
    return null;
}

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From source file:net.spinetrak.rpitft.data.streams.logger.NmeaFileLogger.java

private boolean isValid(final InputStream is_) throws IOException {
    final InputStreamReader isr = new InputStreamReader(is_);
    final BufferedReader buf = new BufferedReader(isr);

    boolean valid = false;
    // try each port few times before giving up
    for (int i = 0; i < 5; i++) {
        try {/*from w  w  w .  j  a va 2s  . c  o m*/
            final String data = buf.readLine();
            if (SentenceValidator.isValid(data)) {
                LOGGER.info("NMEA data found!");
                valid = true;
                break;
            }
        } catch (final Exception ex_) {
            final String msg = ex_.getMessage();
            final Network network = new Network(msg);
            Dispatcher.getInstance().dispatch(network);
            ex_.printStackTrace();
            LOGGER.error(msg);
        }
    }
    isr.close();
    buf.close();
    return valid;
}

---

From source file:org.craftercms.cstudio.loadtesting.actions.WriteContent.java

/**
 * convert InputStream to string/*w  w w. j  a v a2  s  . c o  m*/
 * @param internalName 
 * 
 * @param is
 * @return string
 */
public String getFileContent(String baseFileName, String fileName, String internalName) throws Exception {
    InputStream is = null;
    InputStreamReader isReader = null;
    StringWriter sw = null;
    XMLWriter writer = null;
    try {
        is = this.getClass().getResourceAsStream("/" + baseFileName);
        isReader = new InputStreamReader(is, "UTF-8");
        SAXReader saxReader = new SAXReader();
        Document document = saxReader.read(isReader);
        Element root = document.getRootElement();
        Node node = root.selectSingleNode("file-name");
        node.setText(fileName);
        Node node2 = root.selectSingleNode("internal-name");
        node2.setText(internalName);
        sw = new StringWriter();
        writer = new XMLWriter(sw);
        writer.write(document);
        writer.flush();
        return sw.toString();
    } finally {
        if (is != null) {
            is.close();
        }
        if (isReader != null) {
            isReader.close();
        }
        if (sw != null) {
            sw.close();
        }
        if (writer != null) {
            writer.close();
        }
    }
}

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From source file:com.ficeto.esp.EspExceptionDecoder.java

private int listenOnProcess(String[] arguments) {
    try {/* w  w w. j  a  va  2 s. c  o  m*/
        final Process p = ProcessUtils.exec(arguments);
        Thread thread = new Thread() {
            public void run() {
                try {
                    InputStreamReader reader = new InputStreamReader(p.getInputStream());
                    int c;
                    String line = "";
                    while ((c = reader.read()) != -1) {
                        if ((char) c == '\r')
                            continue;
                        if ((char) c == '\n') {
                            printLine(line);
                            line = "";
                        } else {
                            line += (char) c;
                        }
                    }
                    printLine(line);
                    reader.close();

                    reader = new InputStreamReader(p.getErrorStream());
                    while ((c = reader.read()) != -1)
                        System.err.print((char) c);
                    reader.close();
                } catch (Exception e) {
                }
            }
        };
        thread.start();
        int res = p.waitFor();
        thread.join();
        return res;
    } catch (Exception e) {
    }
    return -1;
}

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