Example usage for java.io LineNumberReader LineNumberReader

Introduction

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

Prototype

public LineNumberReader(Reader in)

Source Link

Document

Create a new line-numbering reader, using the default input-buffer size.

Usage

From source file:org.apache.zookeeper.server.quorum.QuorumPeerMainTest.java

/**
 * Verify boot fails with a bad MetricsProvider
 *///from   w  w w  .  j av a  2s .com
@Test
public void testInvalidMetricsProvider() throws Exception {
    ClientBase.setupTestEnv();

    // setup the logger to capture all logs
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    WriterAppender appender = getConsoleAppender(os, Level.WARN);
    Logger qlogger = Logger.getLogger("org.apache.zookeeper.server.quorum");
    qlogger.addAppender(appender);

    try {
        final int CLIENT_PORT_QP1 = PortAssignment.unique();

        String quorumCfgSection = "server.1=127.0.0.1:" + PortAssignment.unique() + ":"
                + PortAssignment.unique() + ";" + CLIENT_PORT_QP1 + "\n" + "server.2=127.0.0.1:"
                + PortAssignment.unique() + ":" + PortAssignment.unique() + ";" + CLIENT_PORT_QP1 + "\n"
                + "metricsProvider.className=BadClass\n";

        MainThread q1 = new MainThread(1, CLIENT_PORT_QP1, quorumCfgSection);
        q1.start();

        boolean isup = ClientBase.waitForServerUp("127.0.0.1:" + CLIENT_PORT_QP1, 5000);

        Assert.assertFalse("Server never came up", isup);

        q1.shutdown();

        Assert.assertTrue("waiting for server 1 down",
                ClientBase.waitForServerDown("127.0.0.1:" + CLIENT_PORT_QP1, ClientBase.CONNECTION_TIMEOUT));

    } finally {
        qlogger.removeAppender(appender);
    }

    LineNumberReader r = new LineNumberReader(new StringReader(os.toString()));
    String line;
    boolean found = false;
    Pattern p = Pattern.compile(".*BadClass.*");
    while ((line = r.readLine()) != null) {
        found = p.matcher(line).matches();
        if (found) {
            break;
        }
    }
    Assert.assertTrue("complains about metrics provider", found);
}

From source file:org.apache.zookeeper.server.quorum.QuorumPeerMainTest.java

/**
 * Verify boot fails with a MetricsProvider with fails to start
 *//* w  w  w .  ja v a2  s.c om*/
@Test
public void testFaultyMetricsProviderOnStart() throws Exception {
    ClientBase.setupTestEnv();

    // setup the logger to capture all logs
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    WriterAppender appender = getConsoleAppender(os, Level.WARN);
    Logger qlogger = Logger.getLogger("org.apache.zookeeper.server.quorum");
    qlogger.addAppender(appender);

    try {
        final int CLIENT_PORT_QP1 = PortAssignment.unique();

        String quorumCfgSection = "server.1=127.0.0.1:" + PortAssignment.unique() + ":"
                + PortAssignment.unique() + ";" + CLIENT_PORT_QP1 + "\n" + "server.2=127.0.0.1:"
                + PortAssignment.unique() + ":" + PortAssignment.unique() + ";" + CLIENT_PORT_QP1 + "\n"
                + "metricsProvider.className="
                + BaseTestMetricsProvider.MetricsProviderWithErrorInStart.class.getName() + "\n";

        MainThread q1 = new MainThread(1, CLIENT_PORT_QP1, quorumCfgSection);
        q1.start();

        boolean isup = ClientBase.waitForServerUp("127.0.0.1:" + CLIENT_PORT_QP1, 5000);

        Assert.assertFalse("Server never came up", isup);

        q1.shutdown();

        Assert.assertTrue("waiting for server 1 down",
                ClientBase.waitForServerDown("127.0.0.1:" + CLIENT_PORT_QP1, ClientBase.CONNECTION_TIMEOUT));

    } finally {
        qlogger.removeAppender(appender);
    }

    LineNumberReader r = new LineNumberReader(new StringReader(os.toString()));
    String line;
    boolean found = false;
    Pattern p = Pattern.compile(".*MetricsProviderLifeCycleException.*");
    while ((line = r.readLine()) != null) {
        found = p.matcher(line).matches();
        if (found) {
            break;
        }
    }
    Assert.assertTrue("complains about metrics provider MetricsProviderLifeCycleException", found);
}

From source file:org.apache.zookeeper.server.quorum.QuorumPeerMainTest.java

/**
 * Verify boot fails with a MetricsProvider with fails to start
 *///from  w  w  w.j  a  v a 2  s.c o  m
@Test
public void testFaultyMetricsProviderOnConfigure() throws Exception {
    ClientBase.setupTestEnv();

    // setup the logger to capture all logs
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    WriterAppender appender = getConsoleAppender(os, Level.WARN);
    Logger qlogger = Logger.getLogger("org.apache.zookeeper.server.quorum");
    qlogger.addAppender(appender);

    try {
        final int CLIENT_PORT_QP1 = PortAssignment.unique();

        String quorumCfgSection = "server.1=127.0.0.1:" + PortAssignment.unique() + ":"
                + PortAssignment.unique() + ";" + CLIENT_PORT_QP1 + "\n" + "server.2=127.0.0.1:"
                + PortAssignment.unique() + ":" + PortAssignment.unique() + ";" + CLIENT_PORT_QP1 + "\n"
                + "metricsProvider.className="
                + BaseTestMetricsProvider.MetricsProviderWithErrorInConfigure.class.getName() + "\n";

        MainThread q1 = new MainThread(1, CLIENT_PORT_QP1, quorumCfgSection);
        q1.start();

        boolean isup = ClientBase.waitForServerUp("127.0.0.1:" + CLIENT_PORT_QP1, 5000);

        Assert.assertFalse("Server never came up", isup);

        q1.shutdown();

        Assert.assertTrue("waiting for server 1 down",
                ClientBase.waitForServerDown("127.0.0.1:" + CLIENT_PORT_QP1, ClientBase.CONNECTION_TIMEOUT));

    } finally {
        qlogger.removeAppender(appender);
    }

    LineNumberReader r = new LineNumberReader(new StringReader(os.toString()));
    String line;
    boolean found = false;
    Pattern p = Pattern.compile(".*MetricsProviderLifeCycleException.*");
    while ((line = r.readLine()) != null) {
        found = p.matcher(line).matches();
        if (found) {
            break;
        }
    }
    Assert.assertTrue("complains about metrics provider MetricsProviderLifeCycleException", found);
}

From source file:org.talend.designer.runprocess.java.JavaProcessor.java

/**
 * yzhang Comment method "updateGraphicalNodeBreaking".
 * /*from  w  ww  . j  a va2 s.c  om*/
 * @param breakpoint
 */
private void updateGraphicalNodeBreaking(IJavaBreakpoint breakpoint, boolean removed) {
    try {
        Integer breakLineNumber = (Integer) breakpoint.getMarker().getAttribute(IMarker.LINE_NUMBER);
        if (breakLineNumber == null || breakLineNumber == -1) {
            return;
        }
        IFile codeFile = this.getCodeProject().getFile(this.getSrcCodePath());
        if (!codeFile.exists()) {
            JDIDebugModel.removeJavaBreakpointListener(this);
            return;
        }
        LineNumberReader lineReader = new LineNumberReader(new InputStreamReader(codeFile.getContents()));
        String content = null;
        while (lineReader.getLineNumber() < breakLineNumber - 3) {
            content = lineReader.readLine();
            if (content == null) {
                return;
            }
        }
        int startIndex = content.indexOf("[") + 1; //$NON-NLS-1$
        int endIndex = content.indexOf(" main ] start"); //$NON-NLS-1$
        if (startIndex != -1 && endIndex != -1) {
            String nodeUniqueName = content.substring(startIndex, endIndex);
            List<? extends INode> breakpointNodes = CorePlugin.getContext().getBreakpointNodes(process);
            List<? extends INode> graphicalNodes = process.getGraphicalNodes();
            if (graphicalNodes == null) {
                return;
            }
            for (INode node : graphicalNodes) {
                if (node.getUniqueName().equals(nodeUniqueName) && removed && breakpointNodes.contains(node)) {
                    CorePlugin.getContext().removeBreakpoint(process, node);
                    if (node instanceof Node) {
                        final INode currentNode = node;
                        Display.getDefault().syncExec(new Runnable() {

                            @Override
                            public void run() {
                                ((Node) currentNode).removeStatus(Process.BREAKPOINT_STATUS);

                            }

                        });
                    }
                } else if (node.getUniqueName().equals(nodeUniqueName) && !removed
                        && !breakpointNodes.contains(node)) {
                    CorePlugin.getContext().addBreakpoint(process, node);
                    if (node instanceof Node) {
                        final INode currentNode = node;
                        Display.getDefault().syncExec(new Runnable() {

                            @Override
                            public void run() {
                                ((Node) currentNode).addStatus(Process.BREAKPOINT_STATUS);

                            }

                        });
                    }
                }
            }

        }

    } catch (CoreException e) {
        RuntimeExceptionHandler.process(e);
    } catch (IOException e) {
        RuntimeExceptionHandler.process(e);
    }
}

From source file:ua.utility.kfsdbupgrade.App.java

/**
 * Execute the sql file {@link #upgradeRoot}
 * <code>/post-upgrade/sql/misc.sql</code> against the database
 * /*from w  w w . ja v a  2 s  .  c  om*/
 * @param conn
 *            {@link Connection} to the database
 * @param stmt
 *            {@link Statement} to use to execute SQL
 */
private void runMiscSql(Connection conn, Statement stmt) {
    LineNumberReader lnr = null;

    logHeader2("Executing miscellaneous post-upgrade sql");
    File miscSqlFile = new File(postUpgradeDirectory + File.separator + MISC_SQL_PATH);
    try {
        lnr = new LineNumberReader(new FileReader(miscSqlFile));

        String sql = null;

        while ((sql = lnr.readLine()) != null) {
            if (StringUtils.isNotBlank(sql)) {
                try {
                    if (sql.trim().endsWith(";")) {
                        int pos = sql.lastIndexOf(";");
                        sql = sql.substring(0, pos);
                    }

                    if (isDDL(sql)) {
                        stmt.execute(sql);
                    } else {
                        stmt.executeUpdate(sql);
                    }
                    LOGGER.info(sql);
                } catch (SQLException ex) {
                    LOGGER.error("sql execution failed: " + sql, ex);
                }
            }
        }
    } catch (Exception ex) {
        LOGGER.error(ex);
    } finally {
        try {
            if (lnr != null) {
                lnr.close();
            }
        } catch (Exception ex) {
            LOGGER.error(ex);
        }
        ;
    }
    postUpgradeFilesProcessed.add(miscSqlFile);
}

From source file:org.yccheok.jstock.gui.Utils.java

/**
 * Returns number of lines in a file./*w ww. ja  va2s.c  om*/
 * 
 * @param file The file
 * @return number of lines in a file
 */
public static int numOfLines(File file, boolean skipMetadata) {
    int line = 0;
    int metaLineNumber = 0;

    LineNumberReader lnr = null;
    try {
        lnr = new LineNumberReader(new FileReader(file));

        if (skipMetadata) {
            String nextLine = lnr.readLine();
            // Metadata handling.
            while (nextLine != null) {
                String[] tokens = nextLine.split("=", 2);
                if (tokens.length == 2) {
                    String key = tokens[0].trim();
                    if (key.length() > 0) {
                        // Is OK for value to be empty.
                        metaLineNumber++;
                        nextLine = lnr.readLine();
                    } else {
                        break;
                    }
                } else {
                    break;
                }
            }
        }

        lnr.skip(Long.MAX_VALUE);
        line = lnr.getLineNumber();
    } catch (IOException ex) {
        log.error(null, ex);
    } finally {
        org.yccheok.jstock.file.Utils.close(lnr);
    }

    return line - metaLineNumber;
}

From source file:org.opencms.setup.CmsSetupBean.java

/**
 * Saves the properties to a file.<p>
 * /*  w ww.  j  ava2 s.  c o m*/
 * @param properties the properties to be saved
 * @param source the source file to get the keys from
 * @param target the target file to save the properties to
 * @param forceWrite the keys of the properties which should always be written, even if they don't exist in the configuration file 
 */
private void save(CmsParameterConfiguration properties, String source, String target, Set<String> forceWrite) {

    try {
        Set<String> alreadyWritten = new HashSet<String>();

        LineNumberReader lnr = new LineNumberReader(new FileReader(new File(m_configRfsPath + source)));

        FileWriter fw = new FileWriter(new File(m_configRfsPath + target));

        while (true) {
            String line = lnr.readLine();
            if (line == null) {
                break;
            }
            line = line.trim();

            if ("".equals(line)) {
                // output empty line
                fw.write("\n");
            } else if (line.startsWith("#")) {
                // output comment
                fw.write(line);
                fw.write("\n");
            } else {

                int index = line.indexOf('=');
                int index1 = line.indexOf("\\=");
                if ((line.indexOf('=') > -1) && (index1 != (index - 1))) {

                    String key = line.substring(0, line.indexOf('=')).trim();
                    if (alreadyWritten.contains(key)) {
                        continue;
                    }
                    // write key
                    fw.write((key + "="));
                    try {
                        Object obj = properties.getObject(key);
                        if (obj != null) {
                            String valueToWrite = getPropertyValueToWrite(obj);
                            fw.write(valueToWrite);
                        }

                    } catch (NullPointerException e) {
                        // no value found - do nothing 
                    }
                    // add trailing line feed
                    fw.write("\n");

                    // remember that this properties is already written (multi values)
                    alreadyWritten.add(key);
                }
            }
        }
        if (forceWrite != null) {
            for (String forced : forceWrite) {
                if (!alreadyWritten.contains(forced) && properties.containsKey(forced)) {
                    fw.write("\n\n");
                    fw.write(forced + "=");
                    try {
                        Object obj = properties.getObject(forced);

                        if (obj != null) {
                            String valueToWrite = getPropertyValueToWrite(obj);
                            fw.write(valueToWrite);
                        }
                    } catch (NullPointerException e) {
                        // no value found - do nothing
                    }
                    fw.write("\n");

                }
            }
        }

        lnr.close();
        fw.close();
    } catch (Exception e) {
        m_errors.add("Could not save properties to " + target + " \n");
        m_errors.add(e.toString() + "\n");
    }
}

From source file:lineage2.gameserver.Config.java

/**
 * Method abuseLoad./*  w  w w.ja v a2 s. c  o  m*/
 */
public static void abuseLoad() {
    List<Pattern> tmp = new ArrayList<Pattern>();
    LineNumberReader lnr = null;
    try {
        String line;
        lnr = new LineNumberReader(new InputStreamReader(new FileInputStream(ANUSEWORDS_CONFIG_FILE), "UTF-8"));
        while ((line = lnr.readLine()) != null) {
            StringTokenizer st = new StringTokenizer(line, "\n\r");
            if (st.hasMoreTokens()) {
                tmp.add(Pattern.compile(".*" + st.nextToken() + ".*",
                        Pattern.DOTALL | Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE));
            }
        }
        ABUSEWORD_LIST = tmp.toArray(new Pattern[tmp.size()]);
        tmp.clear();
        _log.info("Abuse: Loaded " + ABUSEWORD_LIST.length + " abuse words.");
    } catch (IOException e1) {
        _log.warn("Error reading abuse: " + e1);
    } finally {
        try {
            if (lnr != null) {
                lnr.close();
            }
        } catch (Exception e2) {
        }
    }
}