Example usage for java.io FileReader close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Usage

From source file:com.apifest.doclet.integration.tests.DocletTest.java

@Test
public void check_what_doclet_will_generate_correct_endpoints_order() throws Exception {
    // GIVEN/*from w  w w. j a va  2  s  .  c  o m*/
    String parserFilePath = "./all-mappings-docs.json";
    // WHEN
    runDoclet();
    // THEN
    JSONParser parser = new JSONParser();
    FileReader fileReader = null;
    try {
        fileReader = new FileReader(parserFilePath);
        JSONObject json = (JSONObject) parser.parse(fileReader);
        JSONArray arr = (JSONArray) json.get("endpoints");
        JSONObject obj = (JSONObject) arr.get(0);
        JSONObject obj1 = (JSONObject) arr.get(1);
        Assert.assertEquals(obj.get("endpoint"), "/v1/twitter/followers/stream");
        Assert.assertEquals(obj1.get("endpoint"), "/v1/twitter/followers/metrics");

    } finally {
        if (fileReader != null) {
            fileReader.close();
        }
        deleteJsonFile(parserFilePath);
    }

}

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From source file:name.martingeisse.ecobuild.moduletool.output.OutputTool.java

@Override
public void execute(IModuleToolContext context) throws IOException {
    FileReader buildScriptReader;
    try {//from w  w w  .  jav  a 2  s.c  o m
        buildScriptReader = new FileReader(new File(context.getModuleSourceFolder(), "build.txt"));
    } catch (FileNotFoundException e) {
        throw new UserMessageBuildException(
                "Output build script 'build.txt' not found for module " + context.getModuleSourceFolder());
    }
    LineNumberReader lineReader = new LineNumberReader(buildScriptReader);
    State state = new State();
    state.currentFolder = context.getMainBuildFolder();
    state.folderStack = new Stack<File>();
    while (true) {
        String line = lineReader.readLine();
        if (line == null) {
            break;
        }
        handleLine(context, state, line);
    }
    buildScriptReader.close();
}

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From source file:edu.cudenver.bios.power.test.PowerChecker.java

/**
 * Create a power checker which compares the power
 * values against an XML formatted input file of SAS results.
 * The user may optionally disable simulation comparisons.
 *
 *  @param sasOutputFile XML file of SAS power values
 * @param compareAgainstSimulation if true, power values
 * are compared against simulation.//w  w  w  .ja va  2  s .co m
 */
public PowerChecker(String sasOutputFile, boolean compareAgainstSimulation) throws IllegalArgumentException {
    this.simulate = compareAgainstSimulation;
    //this.simulate = false;
    FileReader reader = null;
    // parse the sas xml file
    try {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

        DocumentBuilder builder = factory.newDocumentBuilder();
        reader = new FileReader(sasOutputFile);
        Document doc = builder.parse(new InputSource(reader));
        sasPowers = SASOutputParser.parsePowerResults(doc);
    } catch (Exception e) {
        throw new IllegalArgumentException("Parsing of SAS XML failed: " + e.getMessage());
    } finally {
        if (reader != null)
            try {
                reader.close();
            } catch (Exception e) {
            }
        ;
    }
}

---

From source file:com.netscape.cmstools.cert.CertFindCLI.java

public void execute(String[] args) throws Exception {
    // Always check for "--help" prior to parsing
    if (Arrays.asList(args).contains("--help")) {
        // Display usage
        printHelp();// w w  w. ja  v a  2  s  .com
        System.exit(0);
    }

    CommandLine cmd = null;

    try {
        cmd = parser.parse(options, args);
    } catch (ParseException e) {
        System.err.println("Error: " + e.getMessage());
        printHelp();
        System.exit(-1);
    }

    String[] cmdArgs = cmd.getArgs();

    if (cmdArgs.length != 0) {
        System.err.println("Error: Too many arguments specified.");
        printHelp();
        System.exit(-1);
    }

    CertSearchRequest searchData = null;
    String fileName = null;

    if (cmd.hasOption("input")) {
        fileName = cmd.getOptionValue("input");
        if (fileName == null || fileName.length() < 1) {
            System.err.println("Error: No file name specified.");
            printHelp();
            System.exit(-1);
        }
    }

    if (fileName != null) {
        FileReader reader = null;
        try {
            reader = new FileReader(fileName);
            searchData = CertSearchRequest.valueOf(reader);

        } catch (FileNotFoundException e) {
            System.err.println("Error: " + e.getMessage());
            System.exit(-1);

        } catch (JAXBException e) {
            System.err.println("Error: " + e.getMessage());
            System.exit(-1);

        } finally {
            if (reader != null)
                try {
                    reader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
        }

    } else {
        searchData = new CertSearchRequest();
    }

    String s = cmd.getOptionValue("start");
    Integer start = s == null ? null : Integer.valueOf(s);

    s = cmd.getOptionValue("size");
    Integer size = s == null ? null : Integer.valueOf(s);

    addSearchAttribute(cmd, searchData);

    CertDataInfos certs = certCLI.certClient.findCerts(searchData, start, size);

    MainCLI.printMessage(certs.getTotal() + " entries found");
    if (certs.getTotal() == 0)
        return;

    boolean first = true;

    Collection<CertDataInfo> entries = certs.getEntries();
    for (CertDataInfo cert : entries) {
        if (first) {
            first = false;
        } else {
            System.out.println();
        }

        CertCLI.printCertInfo(cert);
    }

    MainCLI.printMessage("Number of entries returned " + certs.getEntries().size());
}

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From source file:au.com.jwatmuff.eventmanager.gui.main.LoadCompetitionWindow.java

private void saveBackupButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_saveBackupButtonActionPerformed
    DatabaseInfo info = (DatabaseInfo) competitionList.getSelectedValue();
    if (info == null || !info.local)
        return;//  ww w  . j a  va 2s . co  m
    JFileChooser chooser = new JFileChooser();
    chooser.setFileFilter(new FileNameExtensionFilter("Event Manager Files", "evm"));
    if (chooser.showSaveDialog(this) == JFileChooser.APPROVE_OPTION) {
        File file = chooser.getSelectedFile();
        if (!file.getName().toLowerCase().endsWith(".evm"))
            file = new File(file.getAbsolutePath() + ".evm");
        if (file.exists()) {
            int result = JOptionPane.showConfirmDialog(rootPane,
                    file.getName() + " already exists. Overwrite file?", "Save Backup",
                    JOptionPane.YES_NO_OPTION);
            if (result != JOptionPane.YES_OPTION)
                return;
        }
        try {
            File tempDir = Files.createTempDirectory("event-manager").toFile();
            FileUtils.copyDirectory(info.localDirectory, tempDir);

            File lockFile = new File(tempDir, "update.dat.lock");
            lockFile.delete();

            /* change id */
            Properties props = new Properties();
            FileReader fr = new FileReader(new File(tempDir, "info.dat"));
            props.load(fr);
            fr.close();
            props.setProperty("old-UUID", props.getProperty("UUID", "none"));
            props.setProperty("UUID", UUID.randomUUID().toString());
            FileWriter fw = new FileWriter(new File(tempDir, "info.dat"));
            props.store(fw, "");
            fw.close();

            ZipUtils.zipFolder(tempDir, file, false);
        } catch (Exception e) {
            GUIUtils.displayError(this, "Failed to save file: " + e.getMessage());
        }
    }
}

---

From source file:au.com.jwatmuff.eventmanager.gui.main.LoadCompetitionWindow.java

private void loadBackupButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_loadBackupButtonActionPerformed
    File databaseStore = new File(Main.getWorkingDirectory(), "comps");
    JFileChooser chooser = new JFileChooser();
    chooser.setFileFilter(new FileNameExtensionFilter("Event Manager Files", "evm"));

    JPanel optionsPanel = new JPanel();

    optionsPanel.setBorder(/*from  w w  w.  j  av a  2 s . c  om*/
            new CompoundBorder(new EmptyBorder(0, 10, 0, 10), new TitledBorder("Load backup options")));
    JCheckBox preserveIDCheckbox = new JCheckBox("Preserve competition ID");
    optionsPanel.add(preserveIDCheckbox);

    chooser.setAccessory(optionsPanel);

    if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {
        /* input zip file */
        File file = chooser.getSelectedFile();
        /* construct output directory */
        File dir = new File(databaseStore, file.getName());
        int suffix = 0;
        while (dir.exists()) {
            suffix++;
            dir = new File(databaseStore, file.getName() + "_" + suffix);
        }
        /* unzip */
        try {
            ZipUtils.unzipFile(dir, file);

            /* change id */
            Properties props = new Properties();
            FileReader fr = new FileReader(new File(dir, "info.dat"));
            props.load(fr);
            fr.close();
            if (!preserveIDCheckbox.isSelected()) {
                props.setProperty("UUID", UUID.randomUUID().toString());
            }
            props.setProperty("name", props.getProperty("name") + " - " + dateFormat.format(new Date()));
            FileWriter fw = new FileWriter(new File(dir, "info.dat"));
            props.store(fw, "");
            fw.close();

            /* update gui */
            checkDatabasesExecutor.schedule(checkDatabasesTask, 0, TimeUnit.MILLISECONDS);
        } catch (Exception e) {
            GUIUtils.displayError(null, "Error while opening file: " + e.getMessage());
        }
    }
}

---

From source file:org.apache.hadoop.util.LinuxMemoryCalculatorPlugin.java

private void readProcMemInfoFile() {

    if (readMemInfoFile) {
        return;/*from www .  jav  a 2s .  com*/
    }

    // Read "/proc/memInfo" file
    BufferedReader in = null;
    FileReader fReader = null;
    try {
        fReader = new FileReader(PROCFS_MEMFILE);
        in = new BufferedReader(fReader);
    } catch (FileNotFoundException f) {
        // shouldn't happen....
        return;
    }

    Matcher mat = null;

    try {
        String str = in.readLine();
        while (str != null) {
            mat = PROCFS_MEMFILE_FORMAT.matcher(str);
            if (mat.find()) {
                if (mat.group(1).equals(MEMTOTAL_STRING)) {
                    ramSize = Long.parseLong(mat.group(2));
                } else if (mat.group(1).equals(SWAPTOTAL_STRING)) {
                    swapSize = Long.parseLong(mat.group(2));
                }
            }
            str = in.readLine();
        }
    } catch (IOException io) {
        LOG.warn("Error reading the stream " + io);
    } finally {
        // Close the streams
        try {
            fReader.close();
            try {
                in.close();
            } catch (IOException i) {
                LOG.warn("Error closing the stream " + in);
            }
        } catch (IOException i) {
            LOG.warn("Error closing the stream " + fReader);
        }
    }

    readMemInfoFile = true;
}

---

From source file:me.oriley.crate.CrateGenerator.java

private boolean isFileValid(@NonNull File crateOutputFile, @NonNull String[] comments) {
    if (comments.length <= 0) {
        return false;
    }//from  w  w  w  .j a va 2  s.com

    boolean isValid = true;
    try {
        FileReader reader = new FileReader(crateOutputFile);
        BufferedReader input = new BufferedReader(reader);

        for (String comment : comments) {
            String fileLine = input.readLine();
            if (fileLine == null || comment == null || !StringUtils.contains(fileLine, comment)) {
                log("Aborting, comment: " + comment + ", fileLine: " + fileLine);
                isValid = false;
                break;
            } else {
                log("Line valid, comment: " + comment + ", fileLine: " + fileLine);
            }
        }

        input.close();
        reader.close();
    } catch (IOException e) {
        logError("Error parsing file", e, false);
        isValid = false;
    }

    log("File check result -- isValid ? " + isValid);
    return isValid;
}

---

From source file:uk.codingbadgers.bootstrap.tasks.TaskInstallerUpdateCheck.java

@Override
public void run(Bootstrap bootstrap) {
    try {//from   w w  w .ja  v a 2 s.c  o m
        HttpClient client = HttpClients.createDefault();
        HttpGet request = new HttpGet(INSTALLER_UPDATE_URL);
        request.setHeader(new BasicHeader("Accept", GITHUB_MIME_TYPE));

        HttpResponse response = client.execute(request);

        StatusLine statusLine = response.getStatusLine();

        if (statusLine.getStatusCode() == HttpStatus.SC_OK) {
            HttpEntity entity = response.getEntity();

            String localVersion = null;

            if (bootstrap.getInstallerFile().exists()) {
                JarFile jar = new JarFile(bootstrap.getInstallerFile());
                Manifest manifest = jar.getManifest();
                localVersion = manifest.getMainAttributes().getValue(Attributes.Name.IMPLEMENTATION_VERSION);
                jar.close();
            }

            JsonArray json = PARSER.parse(new InputStreamReader(entity.getContent())).getAsJsonArray();
            JsonObject release = json.get(0).getAsJsonObject();

            JsonObject installerAsset = null;
            JsonObject librariesAsset = null;
            int i = 0;

            for (JsonElement element : release.get("assets").getAsJsonArray()) {
                JsonObject object = element.getAsJsonObject();
                if (INSTALLER_LABEL.equals(object.get("name").getAsString())) {
                    installerAsset = object;
                } else if (INSTALLER_LIBS_LABEL.equals(object.get("name").getAsString())) {
                    librariesAsset = object;
                }
            }

            if (VersionComparator.getInstance().compare(localVersion, release.get("name").getAsString()) < 0) {
                bootstrap.addDownload(DownloadType.INSTALLER, new EtagDownload(
                        installerAsset.get("url").getAsString(), bootstrap.getInstallerFile()));
                localVersion = release.get("name").getAsString();
            }

            File libs = new File(bootstrap.getInstallerFile() + ".libs");
            boolean update = true;

            if (libs.exists()) {
                FileReader reader = null;

                try {
                    reader = new FileReader(libs);
                    JsonElement parsed = PARSER.parse(reader);

                    if (parsed.isJsonObject()) {
                        JsonObject libsJson = parsed.getAsJsonObject();

                        if (libsJson.has("installer")) {
                            JsonObject installerJson = libsJson.get("installer").getAsJsonObject();
                            if (installerJson.get("version").getAsString().equals(localVersion)) {
                                update = false;
                            }
                        }
                    }
                } catch (JsonParseException ex) {
                    throw new BootstrapException(ex);
                } finally {
                    reader.close();
                }
            }

            if (update) {
                new EtagDownload(librariesAsset.get("url").getAsString(),
                        new File(bootstrap.getInstallerFile() + ".libs")).download();

                FileReader reader = null;
                FileWriter writer = null;

                try {
                    reader = new FileReader(libs);
                    JsonObject libsJson = PARSER.parse(reader).getAsJsonObject();

                    JsonObject versionJson = new JsonObject();
                    versionJson.add("version", new JsonPrimitive(localVersion));

                    libsJson.add("installer", versionJson);
                    writer = new FileWriter(libs);
                    new Gson().toJson(libsJson, writer);
                } catch (JsonParseException ex) {
                    throw new BootstrapException(ex);
                } finally {
                    reader.close();
                    writer.close();
                }
            }

            EntityUtils.consume(entity);
        } else if (statusLine.getStatusCode() == HttpStatus.SC_FORBIDDEN) {
            System.err.println("Hit rate limit, skipping update check");
        } else {
            throw new BootstrapException("Error sending request to github. Error " + statusLine.getStatusCode()
                    + statusLine.getReasonPhrase());
        }
    } catch (IOException e) {
        throw new BootstrapException(e);
    }
}

---

From source file:at.tuwien.minimee.migration.parser.HPROF_Parser.java

public void parse(String fileToRead) {

    try {//from   w  ww  . j  ava2  s . c o m

        total_virtual = 0;
        total_allocated = 0;

        /*
         * Sets up a file reader to read the file passed on the command line
         * one character at a time
         */
        FileReader input = new FileReader(fileToRead);

        /*
         * Filter FileReader through a Buffered read to read a line at a
         * time
         */
        try {
            BufferedReader bufRead = new BufferedReader(input);
            String line; // String that holds current file line

            // Read first line
            line = bufRead.readLine();

            // Read through file one line at time. Print line # and line
            while (line != null) {
                if (line.contains(" rank   self"))
                    break;
                line = bufRead.readLine();
            }

            // read next line containing the first info
            line = bufRead.readLine();

            // begin parsing
            while (line != null && line.compareTo("SITES END") != 0) {
                interpretline(line);
                line = bufRead.readLine();
            }

        } finally {
            input.close();
        }
    } catch (IOException e) {
        // If another exception is generated, print a stack trace
        log.error(e);
    }

}

---

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