Example usage for java.lang Throwable Throwable

Introduction

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

Prototype

public Throwable()

Source Link

Document

Constructs a new throwable with null as its detail message.

Usage

From source file:Main.java

/**
 * Like {@link #sprintFullStack(Throwable)}, renders a stacktrace as a String for logging,
 * but excludes stack trace elements common with the calling scope, which may
 * be considered irrelevant to application functionality testing
 * @param t an exception/*from ww  w.  j a  v a  2s .  com*/
 * @return a string representation of a shorter stack trace
 */
public static String sprintShortStack(final Throwable t) {
    if (t == null) {
        return "";
    }

    StringWriter writer = new StringWriter();
    Throwable local = new Throwable();

    StackTraceElement[] localStack = local.getStackTrace();
    StackTraceElement[] tStack = t.getStackTrace();

    int m = tStack.length - 1, n = localStack.length - 1;
    while (m >= 0 && n >= 0 && tStack[m].equals(localStack[n])) {
        m--;
        n--;
    }

    int framesInCommon = tStack.length - 1 - (m + 1);

    t.setStackTrace(Arrays.copyOf(t.getStackTrace(), m + 1, StackTraceElement[].class));
    t.printStackTrace(new PrintWriter(writer));
    t.setStackTrace(tStack);
    StringBuilder sb = new StringBuilder(writer.toString());
    if (framesInCommon != 0) {
        sb.append("\t... " + framesInCommon + " more");
    }
    return sb.toString();
}

From source file:org.jdbcluster.clustertype.ClusterTypeFactory.java

/**
 * creates ClusterType objects depending on the ClusterType name which is passed as
 * an argument//from w ww . j  av a2s . co m
 * @param <T> is a template which extends the interface ClusterType
 * @param clusterTypeName the ClusterType's name as a String
 * @return clusterType the ClusterType object
 * @throws ClusterTypeException
 */
@SuppressWarnings("unchecked")
static public <T extends ClusterType> T newInstance(String clusterTypeName) throws ClusterTypeException {

    Assert.notNull(clusterTypeName, "clusterTypeName  may not be null");
    Assert.hasLength(clusterTypeName, "clusterTypeName  may not have zero length");

    //get the classname of the object
    String className = ClusterTypeBase.getClusterTypeConfig().getClusterClassName(clusterTypeName);
    //if no name was defined, throw an exception
    if (className == null) {
        throw new ClusterTypeException("No ClusterType of type " + clusterTypeName + " found!",
                new Throwable());
    }

    ClusterTypeBase clusterType = new ClusterTypeImpl();

    //save the name
    clusterType.setName(clusterTypeName);
    return (T) clusterType;
}

From source file:com.example.ryan.weixindemo.util.DebugLog.java

public static void d(String message) {
    if (!isDebuggable())
        return;/*w  w w . ja va  2  s.  c o  m*/

    getMethodNames(new Throwable().getStackTrace());
    Log.d(className, createLog(message));
}

From source file:org.apache.drill.exec.store.mapr.db.json.OjaiFunctionsProcessor.java

private static String getStackTrace() {
    final Throwable throwable = new Throwable();
    final StackTraceElement[] ste = throwable.getStackTrace();
    final StringBuilder sb = new StringBuilder();
    for (int i = 1; i < ste.length; ++i) {
        sb.append(ste[i].toString());// w  w  w  .j a  va  2s.  c  o m
        sb.append('\n');
    }

    return sb.toString();
}

From source file:com.example.ryan.weixindemo.util.DebugLog.java

public static void v(String message) {
    if (!isDebuggable())
        return;//  w  w  w .  j  a  va 2 s  .  c  o  m

    getMethodNames(new Throwable().getStackTrace());
    Log.v(className, createLog(message));
}

From source file:com.rsmart.rfabric.logging.FormattedLogger.java

/**
 * Uses {@link StackTraceElement[]} from {@link Throwable} to determine the calling class. Then, the {@link Log} is retrieved for it by
 * convention//from   w ww. java 2s .c o m
 * 
 * 
 * @return Log for the calling class
 */
private static final Log getLog() {
    try {
        return LogFactory.getLog(Class.forName(new Throwable().getStackTrace()[3].getClassName()));
    } catch (Exception e) {
        return LogFactory.getLog(FormattedLogger.class);
    }
}

From source file:com.willwinder.universalgcodesender.utils.GUIHelpers.java

/**
 * Displays an error message to the user.
 * @param errorMessage message to display in the dialog.
 * @param modal toggle whether the message should block or fire and forget.
 *///from  w w  w  . jav  a2s .  c  o  m
public static void displayErrorDialog(final String errorMessage, boolean modal) {
    if (StringUtils.isEmpty(errorMessage)) {
        LOGGER.warning("Something tried to display an error message with an empty message: "
                + ExceptionUtils.getStackTrace(new Throwable()));
        return;
    }

    Runnable r = () -> {
        //JOptionPane.showMessageDialog(new JFrame(), errorMessage, 
        //        Localization.getString("error"), JOptionPane.ERROR_MESSAGE);
        NarrowOptionPane.showNarrowDialog(250, errorMessage.replaceAll("\\.\\.", "\\."),
                Localization.getString("error"), JOptionPane.DEFAULT_OPTION, JOptionPane.ERROR_MESSAGE);
    };

    if (modal) {
        r.run();
    } else {
        java.awt.EventQueue.invokeLater(r);
    }
}

From source file:com.facebook.infrastructure.utils.FBUtilities.java

public static String getCurrentThreadStackTrace() {
    Throwable throwable = new Throwable();
    StackTraceElement[] ste = throwable.getStackTrace();
    StringBuffer sbuf = new StringBuffer();

    for (int i = ste.length - 1; i > 0; --i) {
        sbuf.append(ste[i].getClassName() + "." + ste[i].getMethodName());
        sbuf.append("/");
    }//from  w ww . ja va2 s  .  c  o m
    sbuf.deleteCharAt(sbuf.length() - 1);
    return sbuf.toString();
}

From source file:com.example.ryan.weixindemo.util.DebugLog.java

public static void w(String message) {
    if (!isDebuggable())
        return;/*from ww  w .ja  v a 2s .  c o m*/

    getMethodNames(new Throwable().getStackTrace());
    Log.w(className, createLog(message));
}

From source file:de.tudarmstadt.ukp.wikipedia.util.DbUtilities.java

public boolean tableExists(String tableName) {

    try {//  w  w w . j  a va  2 s. c om
        DatabaseMetaData dbmd = conn.getMetaData();

        // Specify the type of object; in this case we want tables
        String[] types = { "TABLE" };

        // get all table names
        ResultSet resultSet = dbmd.getTables(null, null, "%", types);

        while (resultSet.next()) {
            if (resultSet.getString("TABLE_NAME").equals(tableName)) {
                return true;
            }
        }
    } catch (SQLException e) {
        logger.error("Table " + tableName + " does not exist.", new Throwable());
    }

    return false;
}