Example usage for java.lang StringBuilder charAt

Introduction

In this page you can find the example usage for java.lang StringBuilder charAt.

Prototype

char charAt(int index);

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:org.apache.lucene.gdata.server.GDataRequest.java

private String buildRequestIDString(boolean endingSlash) {
    StringBuilder builder = new StringBuilder("http://");
    builder.append(this.request.getHeader("Host"));
    builder.append(this.request.getRequestURI());
    if (!endingSlash && builder.charAt(builder.length() - 1) == '/')
        builder.setLength(builder.length() - 1);
    if (endingSlash && builder.charAt(builder.length() - 1) != '/')
        builder.append("/");

    return builder.toString();
}

From source file:org.eclipse.smila.ode.ODEServer.java

/**
 * create tables and aliases in in-memory HSQLDB.
 * // w  ww .ja  va 2 s.  com
 * @throws ODEServerException
 *           error creating tables
 */
private void prepareSchedulerDb() throws ODEServerException {
    Connection c = null;
    String sqlScriptName = null;
    if ("org.apache.derby.jdbc.EmbeddedDriver".equals(_odeConfig.getDbInternalJdbcDriverClass())) {
        sqlScriptName = RESOURCE_SCHEDULER_DERBY_SQL;
    } else if ("org.hsqldb.jdbcDriver".equals(_odeConfig.getDbInternalJdbcDriverClass())) {
        sqlScriptName = RESOURCE_SCHEDULER_HSQLDB_SQL;
    }
    // init some tables in DB
    if (sqlScriptName != null) {
        try {
            c = _dataSource.getConnection();
            _log.info("Reading SQL commands from " + sqlScriptName + " to prepare DB for scheduler.");
            final InputStream sqlStream = getClass().getResourceAsStream(sqlScriptName);
            if (sqlStream == null) {
                _log.error("Error reading SQL script " + sqlScriptName);
                throw new ODEServerException("Error reading SQL script " + sqlScriptName);
            }
            final BufferedReader reader = new BufferedReader(new InputStreamReader(sqlStream));
            String line = null;
            StringBuilder sql = new StringBuilder();
            while ((line = reader.readLine()) != null) {
                sql.append(line.trim());
                if (sql.length() > 0 && sql.charAt(sql.length() - 1) == ';') {
                    // cut off ";", Derby doesn't like it.
                    sql.setLength(sql.length() - 1);
                    c.createStatement().execute(sql.toString());
                    sql = new StringBuilder();
                }
            }
            reader.close();
        } catch (final IOException ex) {
            throw new ODEServerException("Error reading SQL script: " + ex.getMessage(), ex);
        } catch (final SQLException ex) {
            _log.info("Error creating tables in scheduler DB: " + ex.toString());
            _log.info("Usually this means that the DB has been initialized earlier already, "
                    + "in this case everything should be fine.");
        } finally {
            try {
                if (c != null) {
                    c.close();
                }
            } catch (SQLException ex) {
                ex = null; // ignorable.
            }
        }
    }
}

From source file:org.apache.hadoop.yarn.server.nodemanager.util.CgroupsLCEResourcesHandler.java

public String getResourcesOption(ContainerId containerId) {
    String containerName = containerId.toString();

    StringBuilder sb = new StringBuilder("cgroups=");

    if (isCpuWeightEnabled()) {
        sb.append(pathForCgroup(CONTROLLER_CPU, containerName) + "/tasks");
        sb.append(PrivilegedOperation.LINUX_FILE_PATH_SEPARATOR);
    }/*from  ww  w .j a va2s  .  c  om*/

    if (sb.charAt(sb.length() - 1) == PrivilegedOperation.LINUX_FILE_PATH_SEPARATOR) {
        sb.deleteCharAt(sb.length() - 1);
    }

    return sb.toString();
}

From source file:com.dal.unity.Config.java

private String readClasspath(String classpathFile) {
    StringBuilder result = new StringBuilder(128);
    try (InputStream is = Config.class.getClassLoader().getResourceAsStream(classpathFile);
            InputStreamReader isr = new InputStreamReader(is);
            BufferedReader br = new BufferedReader(isr);) {
        String line;//from  w w w.  j  av  a  2 s. c  o  m
        while (null != (line = br.readLine())) {
            if (result.length() > 0 && File.pathSeparatorChar != result.charAt(result.length() - 1)) {
                result.append(File.pathSeparatorChar);
            }
            result.append(line);
        }
    } catch (IOException x) {
        LOG.error("Failure attempting to read classpath file {}", classpathFile, x);
    }

    return result.toString();
}

From source file:com.nappingcoder.jutil.http.HttpUrlBuilder.java

/**
 * //  ww  w .j av a  2 s . com
 * Build a new HTTP URL string.
 *  
 * @return
 * @throws IllegalStateException
 */
public String toString() {

    verifyState();

    StringBuilder url = new StringBuilder();

    url.append(_protocol).append("://").append(_host);

    if (_port > 0) {
        url.append(":" + _port);
    }

    if (_path.length() > 0) {

        if (_path.length() > 0 && _path.charAt(_path.length() - 1) == '/') {
            _path.setLength(_path.length() - 1);
        }

        url.append("/").append(_path);
    }

    if (_query.length() > 0) {
        url.append("?").append(_query);
    }

    if (url.charAt(url.length() - 1) == '&') {
        url.setLength(url.length() - 1);
    }

    return url.toString();
}

From source file:hudson.tasks.junit.CaseResult.java

/**
 * Gets the version of {@link #getName()} that's URL-safe.
 *//*from  w w w  .ja v  a 2s  . c o m*/
public @Override synchronized String getSafeName() {
    if (safeName != null) {
        return safeName;
    }
    StringBuilder buf = new StringBuilder(testName);
    for (int i = 0; i < buf.length(); i++) {
        char ch = buf.charAt(i);
        if (!Character.isJavaIdentifierPart(ch))
            buf.setCharAt(i, '_');
    }
    Collection<CaseResult> siblings = (classResult == null ? Collections.<CaseResult>emptyList()
            : classResult.getChildren());
    return safeName = uniquifyName(siblings, buf.toString());
}

From source file:com.g3net.tool.StringUtils.java

/**
 * Trim leading whitespace from the given String.
 * /*  w  w w.  j a v  a 2s.c o  m*/
 * @param str
 *            the String to check
 * @return the trimmed String
 * @see java.lang.Character#isWhitespace
 */
public static String trimLeadingWhitespace(String str) {
    if (!hasLength(str)) {
        return str;
    }
    StringBuilder buf = new StringBuilder(str);
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(0))) {
        buf.deleteCharAt(0);
    }
    return buf.toString();
}

From source file:au.org.ala.delta.directives.DirectiveParser.java

private boolean isDelimited(AbstractDirective<C> directive, StringBuilder data) {

    if (!directive.canSpecifyTextDelimiter()) {
        return false;
    }//from  www. ja v  a 2s. c o m

    // Read the first 'word'
    String word = readWord(data, 0, true);
    if (word.length() == 1 && ILLEGAL_TEXT_DELIMITERS.indexOf(word.charAt(0)) < 0) {
        char delim = word.charAt(0);
        boolean inDelim = false;
        for (int i = data.indexOf(word) + 1; i < data.length(); ++i) {
            if (data.charAt(i) == delim) {
                inDelim = !inDelim;
            }
        }
        return inDelim;
    }

    return false;
}

From source file:com.google.jenkins.flakyTestHandler.junit.FlakyCaseResult.java

/**
 * Gets the version of {@link #getName()} that's URL-safe.
 *///from   www . jav a2s.c o  m
public @Override synchronized String getSafeName() {
    if (safeName != null) {
        return safeName;
    }
    StringBuilder buf = new StringBuilder(testName);
    for (int i = 0; i < buf.length(); i++) {
        char ch = buf.charAt(i);
        if (!Character.isJavaIdentifierPart(ch))
            buf.setCharAt(i, '_');
    }
    Collection<FlakyCaseResult> siblings = (classResult == null ? Collections.<FlakyCaseResult>emptyList()
            : classResult.getChildren());
    return safeName = uniquifyName(siblings, buf.toString());
}

From source file:com.g3net.tool.StringUtils.java

/**
 * Trim leading and trailing whitespace from the given String.
 * //  w  w w .j  a  v a  2  s. c  om
 * @param str
 *            the String to check
 * @return the trimmed String
 * @see java.lang.Character#isWhitespace
 */
public static String trimWhitespace(String str) {
    if (!hasLength(str)) {
        return str;
    }
    StringBuilder buf = new StringBuilder(str);
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(0))) {
        buf.deleteCharAt(0);
    }
    while (buf.length() > 0 && Character.isWhitespace(buf.charAt(buf.length() - 1))) {
        buf.deleteCharAt(buf.length() - 1);
    }
    return buf.toString();
}