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.bigml.histogram.SimpleTarget.java

@Override
protected void appendTo(final Appendable appendable, final DecimalFormat format) throws IOException {
    if (appendable == null) {
        throw new NullPointerException("appendable must not be null");
    }/*from ww  w. j av  a 2 s .co m*/
    if (format == null) {
        throw new NullPointerException("format must not be null");
    }
    // empty
}

From source file:com.enonic.cms.core.CaseInsensitiveString.java

public CaseInsensitiveString(String s) {
    if (s == null) {
        throw new NullPointerException("CaseInsensitiveString may not take a null value.");
    }//from   www  . j a v  a 2  s .  co m
    caseInsensitiveValue = s;
}

From source file:com.squarespace.gibson.GibsonUtils.java

public static String signature(ILoggingEvent evt) {
    if (evt == null) {
        throw new NullPointerException("event");
    }//from   w  w  w  . j a v  a2s  . c  om

    MessageDigest md = FACTORY.newMessageDigest();

    append(md, evt.getLoggerName());
    append(md, getMarker(evt));
    append(md, getLevel(evt));

    ThrowableProxy proxy = (ThrowableProxy) evt.getThrowableProxy();
    if (proxy != null) {
        append(md, proxy.getThrowable());
    }

    return Base64.encodeBase64URLSafeString(md.digest());
}

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

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");
    }/*  ww w. j  a v a2s .  c o  m*/

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

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

From source file:com.vehicles.service.GenericServiceImpl.java

@Override
public void save(T entity) throws Exception {
    if (entity == null) {
        throw new NullPointerException("Can't save null entity!");
    } else {// w  w  w.  j a  v  a 2s  .  com
        this.repository.save(entity);
    }
}

From source file:com.robin.uielements.TranslationMap.java

/**
 * Returns the TranslationFile object stored in memory by its file relative
 * filename to the TLXML base dir.//w w  w  . java2s  . co  m
 * @param filePath the name and relative path of the file parsed
 * @return the file representation  with content from the xml
 */
public static TranslationFile getTranslationsByName(final String filePath) {
    TranslationFile page = ELEMENTMAP.get(filePath);
    if (page == null) {
        throw new NullPointerException("Could not find '" + filePath + "' UIPage.");
    }
    return page;
}

From source file:edu.cornell.mannlib.vitro.webapp.auth.policy.RequestPolicyList.java

/**
 * Get the current list of policy additions from the request, or create one
 * if there is none. This method may return an empty list, but it never
 * returns null./*  w  ww  .j a v a  2  s . c  o  m*/
 */
private static PolicyList getPoliciesFromRequest(ServletRequest request) {
    if (request == null) {
        throw new NullPointerException("request may not be null.");
    }

    Object obj = request.getAttribute(ATTRIBUTE_POLICY_ADDITIONS);
    if (obj == null) {
        obj = new PolicyList();
        request.setAttribute(ATTRIBUTE_POLICY_ADDITIONS, obj);
    }

    if (!(obj instanceof PolicyList)) {
        throw new IllegalStateException("Expected to find an instance of " + PolicyList.class.getName()
                + " in the context, but found an instance of " + obj.getClass().getName() + " instead.");
    }

    return (PolicyList) obj;
}

From source file:hd3gtv.embddb.MainClass.java

private static List<InetSocketAddress> importConf(PoolManager poolmanager, Properties conf, int default_port)
        throws Exception {
    if (conf.containsKey("hosts") == false) {
        throw new NullPointerException("No hosts in configuration");
    }/* w  w w . j av a  2s .  c o m*/
    String hosts = conf.getProperty("hosts");

    return Arrays.asList(hosts.split(" ")).stream().map(addr -> {
        if (addr.isEmpty() == false) {
            log.debug("Found host in configuration: " + addr);
            return new InetSocketAddress(addr, default_port);
        } else {
            return null;
        }
    }).filter(addr -> {
        return addr != null;
    }).collect(Collectors.toList());
}

From source file:cz.muni.pa165.carparkapp.DAOImpl.BranchDAOImpl.java

@Override
public Branch createBranch(Branch branch) {
    if (branch == null)
        throw new NullPointerException("Argument cannot be null");

    em.persist(branch);//from  w  w  w . j  av  a2 s  .  c om
    return branch;
}

From source file:com.navercorp.pinpoint.collector.cluster.zookeeper.job.ZookeeperJob.java

public ZookeeperJob(Type type, String key) {
    if (type == null) {
        throw new NullPointerException("type must not be null");
    }/*from   w  w w  . j  av a2  s  . c o  m*/

    this.type = type;
    this.key = key;
}