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.vnomicscorp.spring.security.cas.authentication.redis.DefaultCasAuthenticationTokenSerializer.java

@Override
public String serialize(CasAuthenticationToken token) throws CasAuthenticationTokenSerializerException {
    if (token == null) {
        throw new NullPointerException("Expected given token to be non-null");
    }//ww  w  .  j  a va2s.c  om
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(token);
        oos.flush();
        return new String(Base64.encode(baos.toByteArray()), charset);
    } catch (IOException e) {
        throw new CasAuthenticationTokenSerializerException(e);
    }
}

From source file:edu.dfci.cccb.mev.dataset.domain.gzip.GzipTsvInput.java

public GzipTsvInput(URL url) {
    if (url == null)
        throw new NullPointerException("URL cannot be null");
    this.url = url;
}

From source file:edu.cornell.mannlib.vitro.webapp.auth.permissions.PermissionRegistry.java

/**
 * Get the registry from the context. If there isn't one, throw an
 * exception.//from w ww.j  a  v a 2 s  . c o m
 */
public static PermissionRegistry getRegistry(ServletContext ctx) {
    if (ctx == null) {
        throw new NullPointerException("ctx may not be null.");
    }

    Object o = ctx.getAttribute(ATTRIBUTE_NAME);
    if (o == null) {
        throw new IllegalStateException("PermissionRegistry has not been set.");
    } else if (!(o instanceof PermissionRegistry)) {
        throw new IllegalStateException("PermissionRegistry was set to an " + "invalid object: " + o);
    }

    return (PermissionRegistry) o;
}

From source file:io.kahu.hawaii.util.exception.HawaiiExceptionTest.java

@Test
public void testMessage() throws Exception {
    ServerException e = new ServerException(TestServerError.S1);
    Assert.assertTrue("S1".equals(e.getMessage()));

    e = new ServerException(TestServerError.S1, new NullPointerException("npe"));
    Assert.assertTrue("S1".equals(e.getMessage()));

    e = new ServerException(TestServerError.S1, "piet");
    Assert.assertTrue("S1 - piet".equals(e.getMessage()));

    e = new ServerException(TestServerError.S1, "klaas", new NullPointerException("npe"));
    Assert.assertTrue("S1 - klaas".equals(e.getMessage()));

    e = new ServerException(TestServerError.S1, null, new NullPointerException("npe"));
    Assert.assertTrue("S1".equals(e.getMessage()));

    e = new ServerException(TestServerError.S1, "marie", null);
    Assert.assertTrue("S1 - marie".equals(e.getMessage()));
}

From source file:common.services.generic.GenericCacheService.java

public void init() {
    StringBuilder sb = new StringBuilder();
    common.utils.MiscUtils.checkNotNull(path, "path", sb);
    if (sb.length() > 0) {
        throw new NullPointerException(sb.toString());
    }/*from www  .  j  av a  2 s .c  o  m*/
}

From source file:de.cosmocode.json.JsonArrayList.java

/**
 * Constructs a new {@link JsonArrayList} using the specified {@link JSONArray}.
 * //from w w  w  .j a  v a  2  s  .c om
 * @param array the {@link JSONArray} this list will be backed by
 */
public JsonArrayList(JSONArray array) {
    if (array == null)
        throw new NullPointerException("JSONArray must not be null");
    this.array = array;
    if (contains(null))
        throw new NullPointerException("JSONList must not contain null values");
}

From source file:com.github.rvesse.airline.builder.AliasBuilder.java

public AliasBuilder<C> withArguments(String... args) {
    for (String arg : args) {
        if (arg == null)
            throw new NullPointerException("Alias argument cannot be null");
        arguments.add(arg);/*  w  w  w  . j  a  va 2s.  com*/
    }
    return this;
}

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

public List<String[]> listUserExports(String user) {
    if (log.isDebugEnabled()) {
        log.debug("Entering listUserExports(user=" + user + ")");
    }// w w  w. j  av  a  2  s.  c o m
    if (user == null) {
        throw new NullPointerException("User is null");
    }
    while (this.database.isClosed()) {
        log.warn("Exports database is closed, waiting 500ms");
        try {
            Thread.sleep(500);
        } catch (InterruptedException ex) {
            log.info("Received SIGINT.");
            return null;
        }
    }

    if (log.isDebugEnabled()) {
        log.debug("Opening user exports");
    }
    Map<String, String> userFiles = this.database.treeMap(user, Serializer.STRING, Serializer.STRING)
            .createOrOpen();
    if (log.isDebugEnabled()) {
        log.debug("Building exports list");
    }
    List<String[]> ret = new LinkedList<>();

    Iterator<String> itFileNames = userFiles.keySet().iterator();
    if (log.isDebugEnabled()) {
        log.debug("Got key set iterator");
    }
    while (itFileNames.hasNext()) {
        String fileName = itFileNames.next();
        String fileUrl = (String) userFiles.get(fileName);
        if (log.isDebugEnabled()) {
            log.debug("Adding " + fileName + " " + fileUrl);
        }
        ret.add(new String[] { fileName, fileUrl });
    }

    if (log.isDebugEnabled()) {
        log.debug("Returning " + ret.toString());
    }

    // This commit is called because createOrOpen is used earlier.
    this.database.commit();

    return ret;
}

From source file:it.cnr.isti.hlt.processfast.data.RecursiveFileLineIteratorProvider.java

public RecursiveFileLineIteratorProvider(String baseDir, String regexInclusion) {
    if (baseDir == null)
        throw new NullPointerException("The collection is 'null'");

    files = listFiles(baseDir, regexInclusion);
}

From source file:core.cms.controller2.AGenericPagesCmsController.java

@Override
public void init() {
    super.init();
    StringBuilder sb = new StringBuilder();

    common.utils.MiscUtils.checkNotNull(pagesCmsNavigationService, "pagesCmsNavigationService", sb);
    if (sb.length() > 0) {
        throw new NullPointerException(sb.toString());
    }//from   w ww  .  j  av  a  2 s.  c o  m
}