Example usage for java.lang NullPointerException NullPointerException

Introduction

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

Prototype

public NullPointerException(String s)

Source Link

Document

Constructs a NullPointerException with the specified detail message.

Usage

From source file:com.googlecode.psiprobe.tools.logging.jdk.Jdk14ManagerAccessor.java

public Jdk14ManagerAccessor(ClassLoader cl) throws ClassNotFoundException, IllegalAccessException,
        IllegalArgumentException, InvocationTargetException {
    Class clazz = cl.loadClass("java.util.logging.LogManager");
    Method getManager = MethodUtils.getAccessibleMethod(clazz, "getLogManager", new Class[] {});
    Object manager = getManager.invoke(null, null);
    if (manager == null) {
        throw new NullPointerException(clazz.getName() + ".getLogManager() returned null");
    }/*from w  w  w.  j a v  a 2  s .co m*/
    setTarget(manager);
}

From source file:ae.config.field.AbstractMetaField.java

protected AbstractMetaField(final ActiveEntity ae) {
    if (ae == null) {
        throw new NullPointerException("ae");
    }/*from   ww  w  .j av a  2 s . c o m*/
    this.ae = ae;
}

From source file:ch.ralscha.extdirectspring_itest.ExceptionFormPostController.java

@ExtDirectMethod(value = ExtDirectMethodType.FORM_POST, group = "itest_upload")
@RequestMapping(value = "/throwIt", method = RequestMethod.POST)
public void throwAException(@SuppressWarnings("unused") HttpServletRequest request) {
    throw new NullPointerException("a null pointer");
}

From source file:com.multimedia.service.wallpaper.comment.WallpaperCommentViewService.java

public void init() {
    StringBuilder sb = new StringBuilder();
    common.utils.MiscUtils.checkNotNull(service, "service", sb);
    if (sb.length() > 0) {
        throw new NullPointerException(sb.toString());
    }/*  w  ww  . j  a  v  a 2s  . co  m*/
}

From source file:com.github.jinahya.codec.commons.DecoderProxy.java

/**
 * Creates a new proxy instance for//from w  ww. j  a  va2  s .  c  om
 * {@link org.apache.commons.codec.Decoder}.
 *
 * @param <P> proxy type parameter.
 * @param <T> decoder type parameter.
 * @param proxyType proxy type.
 * @param decoderType decoder type.
 * @param decoder decoder instance.
 *
 * @return a new proxy instance.
 */
protected static <P extends AbstractDecoderProxy<T>, T> Object newInstance(final Class<P> proxyType,
        final Class<T> decoderType, final T decoder) {

    if (proxyType == null) {
        throw new NullPointerException("proxyType");
    }

    if (!DecoderProxy.class.isAssignableFrom(proxyType)) {
        throw new IllegalArgumentException(
                "proxyType(" + proxyType + ") is not assignable to " + DecoderProxy.class);
    }

    return newInstance(DECODER.getClassLoader(), new Class<?>[] { DECODER }, proxyType, decoderType, decoder);
}

From source file:com.github.jinahya.codec.commons.EncoderProxy.java

/**
 * Creates a new proxy instance for/*from  w  ww . j  av  a2s.c  o  m*/
 * {@link org.apache.commons.codec.Encoder}.
 *
 * @param <P> proxy type parameter
 * @param <T> encoder (delegate) type parameter
 * @param proxyType proxy type
 * @param encoderType encoder type
 * @param encoder encoder instance
 *
 * @return a new proxy instance.
 */
protected static <P extends AbstractEncoderProxy<T>, T> Object newInstance(final Class<P> proxyType,
        final Class<T> encoderType, final T encoder) {

    if (proxyType == null) {
        throw new NullPointerException("proxyType");
    }

    if (!EncoderProxy.class.isAssignableFrom(proxyType)) {
        throw new IllegalArgumentException(
                "proxyType(" + proxyType + ") is not assignable to " + EncoderProxy.class);
    }

    return newInstance(ENCODER.getClassLoader(), new Class<?>[] { ENCODER }, proxyType, encoderType, encoder);
}

From source file:jef.tools.Assert.java

/**
 * null/*from  www  .  ja va 2s  . c o  m*/
 * @param obj
 */
public static void isNull(Object obj, String msg) {
    if (obj != null)
        throw new NullPointerException(msg);
}

From source file:fr.recolnat.database.RightsManagementDatabase.java

public DataModel.Enums.AccessRights getAccessRights(String user, String node) {
    if (user == null) {
        throw new NullPointerException("User is null");
    }/*from   w ww. jav  a 2s . c  om*/
    if (node == null) {
        throw new NullPointerException("Node id is null");
    }
    while (database.isClosed()) {
        try {
            Thread.sleep(500);
        } catch (InterruptedException ex) {
            return null;
        }
    }
    log.debug("getAccessRights " + user + " " + node);
    Map<String, Integer> userRights = database.treeMap(user, Serializer.STRING, Serializer.INTEGER)
            .createOrOpen();
    Integer rights = userRights.get(node);
    // This commit is called because createOrOpen is used earlier.
    database.commit();
    if (rights != null) {
        return DataModel.Enums.AccessRights.fromInt(rights);
    } else {
        return DataModel.Enums.AccessRights.NONE;
    }
}

From source file:br.bireme.mlts.utils.Document2JSON.java

public static JSONObject getJSON(final Map<String, List<Fieldable>> map) {
    if (map == null) {
        throw new NullPointerException("map");
    }//from www.  j  a  va2  s .c  om

    final JSONObject jobj = new JSONObject();

    for (Map.Entry<String, List<Fieldable>> entry : map.entrySet()) {
        final String key = entry.getKey();
        final List<Fieldable> value = entry.getValue();
        final boolean multivalue = value.size() > 1;

        if (multivalue) {
            final JSONArray array = new JSONArray();
            jobj.put(key, array);
            for (Fieldable fld : value) {
                array.add(getObject(fld));
            }
        } else {
            jobj.put(key, getObject(value.get(0)));
        }
    }
    return jobj;
}

From source file:com.jfinal.ext.plugin.sqlinxml.SqlKit.java

public static SqlClauseItem.SqlSelect sqlSelect(String groupNameAndsqlId) {
    if (sqlMap == null) {
        throw new NullPointerException("SqlInXmlPlugin not start");
    }/*w ww.  ja v a2s  .c om*/
    return ((SqlClauseItem) sqlMap.get(groupNameAndsqlId)).sqlSelect;
}