Example usage for java.lang Class toString

Introduction

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

Prototype

public String toString() 

Source Link

Document

Converts the object to a string.

Usage

From source file:mitm.application.djigzo.james.MailAttributesUtils.java

/**
 * Returns the attribute value with name attribute. If attribute does not exist or is null default
 * value is returned. The type T is checked to see if it is an instance of clazz.
 *//*from  w  w  w  .  j  a  va 2 s.  c  om*/
@SuppressWarnings("unchecked")
public static <T> T getAttributeValue(Mail mail, String attribute, T defaultValue, Class<?> clazz) {
    if (defaultValue != null && !ReflectionUtils.isInstanceOf(defaultValue.getClass(), clazz)) {
        throw new IllegalArgumentException("defaultValue is not an instance of " + clazz.toString());
    }

    Object rawValue = mail.getAttribute(attribute);

    T value = null;

    if (rawValue != null) {
        if (!ReflectionUtils.isInstanceOf(rawValue.getClass(), clazz)) {
            throw new IllegalArgumentException("attribute is not an instance of " + clazz.toString());
        }

        value = (T) rawValue;
    }

    if (value == null) {
        value = defaultValue;
    }

    return value;
}

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From source file:Main.java

private static String getTypeByClass(Class<?> type) throws Exception {
    if (type.equals(String.class)) {
        return "TEXT";
    }//from   w  ww  . ja v a 2 s.com
    if (type.equals(Long.class) || type.equals(Integer.class) || type.equals(long.class)
            || type.equals(Date.class)) {
        return "INTEGER";
    }
    if (type.equals(Boolean.class)) {
        return "BOOLEAN";
    }

    Exception exception = new Exception(
            CONVERSION_CLASS_NOT_FOUND_EXCEPTION.concat(" - Class: ").concat(type.toString()));
    throw exception;
}

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From source file:org.apache.hama.bsp.BSPTask.java

@SuppressWarnings("unchecked")
private final static <KEYIN, VALUEIN, KEYOUT, VALUEOUT, M extends Writable> void runBSP(final BSPJob job,
        BSPPeerImpl<KEYIN, VALUEIN, KEYOUT, VALUEOUT, M> bspPeer, final BytesWritable rawSplit,
        final BSPPeerProtocol umbilical) throws Exception {

    Class<?> workClass = job.getConfiguration().getClass("bsp.work.class", BSP.class);

    BSP<KEYIN, VALUEIN, KEYOUT, VALUEOUT, M> bsp = (BSP<KEYIN, VALUEIN, KEYOUT, VALUEOUT, M>) ReflectionUtils
            .newInstance(workClass, job.getConfiguration());

    LOG.debug("bsp.work.class: " + workClass.toString());

    // The policy is to throw the first exception and log the remaining.
    Exception firstException = null;
    try {// w ww.ja v a  2 s.c  o  m
        bsp.setup(bspPeer);
        bsp.bsp(bspPeer);
    } catch (Exception e) {
        LOG.error("Error running bsp setup and bsp function.", e);
        firstException = e;
    } finally {
        try {
            bsp.cleanup(bspPeer);
        } catch (Exception e) {
            LOG.error("Error cleaning up after bsp executed.", e);
            if (firstException == null)
                firstException = e;
        } finally {

            try {
                bspPeer.close();
            } catch (Exception e) {
                LOG.error("Error closing BSP Peer.", e);
                if (firstException == null)
                    firstException = e;
            }
            if (firstException != null)
                throw firstException;
        }
    }
}

---

From source file:org.pircbotx.TestUtils.java

public static String getRootName(Class aClass) {
    String name = aClass.getSimpleName();

    if (StringUtils.endsWith(name, "Event"))
        return name.split("Event")[0];
    else if (StringUtils.endsWith(name, "Listener"))
        return name.split("Listener")[0];

    //Can't get anything, error out
    throw new IllegalArgumentException("Cannot get root of class name " + aClass.toString());
}

---

From source file:net.big_oh.common.jdbc.JdbcDriverProxy.java

private static final List<? extends JDBCEventListener> buildListenersListFromPropertiesFile() {
    Properties props = PropertyUtil.loadProperties(JdbcDriverProxy.class.getSimpleName().toLowerCase());

    List<JDBCEventListener> listeners = new ArrayList<JDBCEventListener>();

    String[] listenerClassNames = props.getProperty(JDBCEventListener.class.getSimpleName() + "s", "")
            .split(",");

    for (String listenerClassName : listenerClassNames) {

        if (!StringUtils.isBlank(listenerClassName)) {

            try {
                Class<?> listenerClass = Class.forName(listenerClassName);
                JDBCEventListener listener = (JDBCEventListener) listenerClass.newInstance();
                listeners.add(listener);
                logger.info("Registered a new JDBC event listener: " + listenerClass.toString());
            } catch (ClassNotFoundException cnfe) {
                logger.error("Failed to find a JDBC event listener class named '" + listenerClassName + "'",
                        cnfe);/*from w  ww .  j  a v  a 2  s .  c  o  m*/
            } catch (InstantiationException e) {
                logger.error(
                        "Failed to instantiate a JDBC event listener class named '" + listenerClassName + "'",
                        e);
            } catch (IllegalAccessException e) {
                logger.error(e);
            }

        }

    }

    return listeners;

}

---

From source file:com.alibaba.wasp.util.JVMClusterUtil.java

/**
 * Creates a {@link MasterThread}.//from   w  ww  . ja v  a 2  s.  c o  m
 * Call 'start' on the returned thread to make it run.
 * @param c Configuration to use.
 * @param hmc Class to create.
 * @param index Used distinguishing the object returned.
 * @throws java.io.IOException
 * @return Master added.
 */
public static JVMClusterUtil.MasterThread createMasterThread(final Configuration c,
        final Class<? extends FMaster> hmc, final int index) throws IOException {
    FMaster server;
    try {
        server = hmc.getConstructor(Configuration.class).newInstance(c);
    } catch (InvocationTargetException ite) {
        Throwable target = ite.getTargetException();
        throw new RuntimeException("Failed construction of Master: " + hmc.toString()
                + ((target.getCause() != null) ? target.getCause().getMessage() : ""), target);
    } catch (Exception e) {
        IOException ioe = new IOException();
        ioe.initCause(e);
        throw ioe;
    }
    return new JVMClusterUtil.MasterThread(server, index);
}

---

From source file:com.beetle.framework.util.ObjectUtil.java

public final static void populate(Object obj, Map<String, Object> map) {
    Set<?> s = map.entrySet();
    Iterator<?> it = s.iterator();
    while (it.hasNext()) {
        String key = "";
        Object o = null;//www  .  ja  va  2s .c o  m
        @SuppressWarnings("rawtypes")
        Map.Entry me = (Map.Entry) it.next();
        try {
            key = me.getKey().toString();
            o = me.getValue();
            if (o == null) {
                continue;
            }
            setValue(key, obj, o);
        } catch (IllegalArgumentException e) {
            Class<Object> type = ObjectUtil.getType(key, obj);
            String tstr = type.toString();
            if (tstr.equals(Integer.class.toString())) {
                ObjectUtil.setValue(key, obj, Integer.valueOf(o.toString()));
            } else if (tstr.equals(Long.class.toString())) {
                ObjectUtil.setValue(key, obj, Long.valueOf(o.toString()));
            } else if (tstr.equals(Float.class.toString())) {
                ObjectUtil.setValue(key, obj, Float.valueOf(o.toString()));
            } else if (tstr.equals(Double.class.toString())) {
                ObjectUtil.setValue(key, obj, Double.valueOf(o.toString()));
            } else if (tstr.equals(Short.class.toString())) {
                ObjectUtil.setValue(key, obj, Short.valueOf(o.toString()));
            } else if (tstr.equals(Byte.class.toString())) {
                ObjectUtil.setValue(key, obj, Byte.valueOf(o.toString()));
            } else if (tstr.equals(Date.class.toString())) {
                if (o instanceof Date) {
                    ObjectUtil.setValue(key, obj, (Date) o);
                } else {
                    long time = ((Double) o).longValue();
                    ObjectUtil.setValue(key, obj, new Date(time));
                }
            } else if (tstr.equals(java.sql.Timestamp.class.toString())) {
                if (o instanceof java.sql.Timestamp) {
                    ObjectUtil.setValue(key, obj, (Date) o);
                } else {
                    long time = ((Double) o).longValue();
                    ObjectUtil.setValue(key, obj, new java.sql.Timestamp(time));
                }
            } else {
                throw e;
            }
            tstr = null;
            type = null;
        }
    }
}

---

From source file:com.sonicle.webtop.core.app.util.ClassHelper.java

public static Class loadClass(String className, Class requiredParentClass, String targetDescription) {
    String tdesc = StringUtils.defaultIfBlank(targetDescription, "Target");

    try {//from   w  w  w  .  ja va 2s  .  com
        Class clazz = Class.forName(className);
        if (!requiredParentClass.isAssignableFrom(clazz))
            throw new ClassCastException();
        return clazz;

    } catch (ClassNotFoundException ex) {
        LOGGER.debug("{} class not found [{}]", tdesc, className);
    } catch (ClassCastException ex) {
        LOGGER.warn("A valid {} class must extends '{}' class", tdesc, requiredParentClass.toString());
    } catch (Throwable t) {
        LOGGER.error("Unable to load class [{}]", className, t);
    }
    return null;
}

---

From source file:io.fabric8.core.jmx.BeanUtils.java

public static List<String> getFields(Class clazz) {
    List<String> answer = new ArrayList<String>();

    try {//w  w w  .j a  v  a 2s  . c om
        for (PropertyDescriptor desc : PropertyUtils.getPropertyDescriptors(clazz)) {
            if (desc.getReadMethod() != null) {
                answer.add(desc.getName());
            }
        }
    } catch (Exception e) {
        throw new FabricException("Failed to get property descriptors for " + clazz.toString(), e);
    }

    // few tweaks to maintain compatibility with existing views for now...
    if (clazz.getSimpleName().equals("Container")) {
        answer.add("parentId");
        answer.add("versionId");
        answer.add("profileIds");
        answer.add("childrenIds");
        answer.remove("fabricService");
    } else if (clazz.getSimpleName().equals("Profile")) {
        answer.add("id");
        answer.add("parentIds");
        answer.add("childIds");
        answer.add("containerCount");
        answer.add("containers");
        answer.add("fileConfigurations");
    } else if (clazz.getSimpleName().equals("Version")) {
        answer.add("id");
        answer.add("defaultVersion");
    }

    return answer;
}

---

From source file:com.qingstor.sdk.utils.QSJSONUtil.java

private static Object getParseValue(Class type, Object value) {
    if (String.class.equals(type)) {
        return value.toString();
    } else if (Integer.class.equals(type) || "int".equals(type.toString())) {
        return Integer.parseInt(value.toString());
    } else if (Double.class.equals(type) || "double".equals(type.toString())) {
        return Double.parseDouble(value.toString());
    } else if (Long.class.equals(type) || "long".equals(type.toString())) {
        return Long.parseLong(value.toString());
    } else if (Float.class.equals(type) || "float".equals(type.toString())) {
        return Float.parseFloat(value.toString());
    }// w  w w .j av a 2s  .  c o  m
    return value;
}

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