Example usage for java.lang ClassNotFoundException getClass

Introduction

In this page you can find the example usage for java.lang ClassNotFoundException getClass.

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:org.cloudifysource.restDoclet.generation.Generator.java

private <T> T getExampleGeneratorClass(final Class<T> expectedInterface, final String exampleGeneratorName,
        final String exampleType) {
    if (StringUtils.isBlank(exampleGeneratorName)) {
        logger.log(Level.INFO, "No custom example generator given, using a default " + exampleType
                + " example generator instead.");
        return null;
    }/*from  ww w  .  jav  a2  s. com*/

    Class<?> reqExGenClass;
    try {
        reqExGenClass = Class.forName(exampleGeneratorName);
    } catch (ClassNotFoundException e) {
        logger.log(Level.WARNING,
                "Cought ClassNotFoundException when tried to load the " + exampleType
                        + " example generator class - " + exampleGeneratorName
                        + ". Using a default generator instead.");
        return null;
    }
    if (!expectedInterface.isAssignableFrom(reqExGenClass)) {
        logger.log(Level.WARNING,
                "The given " + exampleType + " example generator class [" + exampleGeneratorName
                        + "] does not implement " + expectedInterface.getName()
                        + ". Using a default generator instead.");
        return null;
    }

    try {
        return expectedInterface.cast(reqExGenClass.newInstance());
    } catch (Exception e) {
        logger.log(Level.WARNING,
                "Cought exception - " + e.getClass().getName() + " when tried to instantiate the " + exampleType
                        + " example generator class [ " + exampleGeneratorName
                        + "]. Using a default generator instead.");
        return null;
    }
}

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From source file:org.protempa.backend.dsb.relationaldb.AbstractSQLGenerator.java

@Override
public final boolean loadDriverIfNeeded() {
    String className = getDriverClassNameToLoad();
    if (className == null) {
        return true;
    }//from   www. ja v a  2  s .  c  om
    try {
        Class.forName(className);
        return true;
    } catch (ClassNotFoundException ex) {
        Logger logger = SQLGenUtil.logger();
        if (logger.isLoggable(Level.FINE)) {
            logger.log(Level.FINE, "{0} when trying to load {1}.",
                    new Object[] { ex.getClass().getName(), className });
        }
        return false;
    }
}

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From source file:org.saiku.adhoc.utils.TemplateUtils.java

/**
 * Finds the class for a given aggreagation function name
 * // w w  w.  j a  va  2 s.c o  m
 * @param str
 * @return
 * @throws ReportException
 */
public static Class strToAggfunctionClass(String str) throws ReportException {

    try {

        if (str.equals("NONE")) {
            return null;
        } else if (str.equals("SUM")) {
            return Class.forName("org.pentaho.reporting.engine.classic.core.function.ItemSumFunction");
        } else if (str.equals("AVERAGE")) {
            return Class.forName("org.pentaho.reporting.engine.classic.core.function.ItemAvgFunction");
        } else if (str.equals("COUNT")) {
            return Class.forName("org.pentaho.reporting.engine.classic.core.function.ItemCountFunction");
        } else if (str.equals("COUNT_DISTINCT")) {
            return Class.forName("org.pentaho.reporting.engine.classic.core.function.CountDistinctFunction");
        } else if (str.equals("MINIMUM")) {
            return Class.forName("org.pentaho.reporting.engine.classic.core.function.ItemMinFunction");
        } else if (str.equals("MAXIMUM")) {

            return Class.forName("org.pentaho.reporting.engine.classic.core.function.ItemMaxFunction");
        }

    } catch (ClassNotFoundException e) {
        final String message = e.getCause() != null
                ? e.getCause().getClass().getName() + " - " + e.getCause().getMessage()
                : e.getClass().getName() + " - " + e.getMessage();
        log.error(message, e);
        throw new ReportException("Aggregation Class not found", e);
    }

    return null;

}

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From source file:shnakkydoodle.measuring.provider.MetricsProviderSQLServer.java

/**
 * Check if LoggingData table exists// w  w w .  j a  v a 2  s.co m
 * 
 * @return
 */
private boolean CheckIfDatabaseTablesExists() {
    Connection conn = null;
    boolean flag = false;

    try {
        Class.forName("net.sourceforge.jtds.jdbc.Driver");
        conn = DriverManager.getConnection(this.host + ";user=" + this.username + ";password=" + this.password);

        DatabaseMetaData meta = conn.getMetaData();
        ResultSet res = meta.getTables(null, null, null, new String[] { "TABLE" });

        while (res.next()) {

            if (res.getString("TABLE_TYPE").equalsIgnoreCase("TABLE")) {
                if (res.getString("TABLE_NAME").equalsIgnoreCase("MetricData")) {
                    flag = true;
                    break;
                }
            }
        }
        res.close();
        conn.close();

    } catch (ClassNotFoundException e) {
        System.err.println(e.getClass().getName() + ": " + e.getMessage());
        e.printStackTrace();
    } catch (SQLException e) {
        System.err.println(e.getClass().getName() + ": " + e.getMessage());
        e.printStackTrace();
    }

    return flag;
}

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