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:edu.cornell.mannlib.vitro.webapp.auth.permissions.EditByRolePermission.java

public EditByRolePermission(String roleName, RoleLevel roleLevel) {
    super(NAMESPACE + roleName);

    if (roleName == null) {
        throw new NullPointerException("role may not be null.");
    }/*from  w w  w.  j  a  v a 2 s  . co  m*/
    if (roleLevel == null) {
        throw new NullPointerException("roleLevel may not be null.");
    }

    this.roleName = roleName;
    this.roleLevel = roleLevel;
}

From source file:edu.cornell.mannlib.vitro.webapp.utils.SparqlQueryRunner.java

public SparqlQueryRunner(Model model) {
    if (model == null) {
        throw new NullPointerException("model may not be null.");
    }//from  w  w w. j ava 2  s.  co m
    this.model = model;
}

From source file:org.springframework.data.mapping.model.JsonPropertyPreservingFieldNamingStrategy.java

/**
 * @param backingStrategy the field naming strategy to use if the {@link JsonProperty} annotation isn't present
 *///from  w w w  .  java2 s.  c o m
public JsonPropertyPreservingFieldNamingStrategy(FieldNamingStrategy backingStrategy) {

    if (backingStrategy == null) {
        throw new NullPointerException("A backing strategy hasn't been specified.");
    }

    this.backingStrategy = backingStrategy;
}

From source file:com.hellogwt.server.persistence.GreetingDAO.java

@Override
@Transactional(readOnly = true)//ww w . j a  v  a 2s.c o  m
public Greeting getGreeting(String text) {
    if (getCurrentSession() == null) {
        throw new NullPointerException("getCurrentSession() is null !");
    }
    List<Greeting> greetingList = null;
    try {
        Query q = getCurrentSession().createQuery("from Greeting as greeting where greeting.text=:text");
        q.setParameter("text", text);
        greetingList = (List<Greeting>) q.list();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return greetingList.size() > 0 ? greetingList.get(0) : null;
}

From source file:com.stoxa.SpringXML.Model.ContactBeanFactory.java

@Override
public Contact getObject() throws Exception {
    String firstName;/* w  w w. j a v a 2  s  .co m*/
    String lastName;
    String phone;
    String email;
    try {
        fis = new FileInputStream("src/main/resources/contacts.properties");
        property.load(fis);
        if (!hasNextInstance()) {
            throw new NullPointerException(
                    "There are no more contacts in file src/main/resources/contacts.properties, contactCount = "
                            + contactCount);
        }
        newContact = new Contact();
        firstName = property.getProperty(contactCount + ".firstName");
        newContact.setFirstName(firstName);
        lastName = property.getProperty(contactCount + ".lastName");
        newContact.setLastName(lastName);
        phone = property.getProperty(contactCount + ".phone");
        newContact.setPhone(phone);
        email = property.getProperty(contactCount + ".email");
        newContact.setEmail(email);

    } catch (IOException e) {
        System.err.println("?:  ?? ??!");
    } finally {
        fis.close();
    }
    contactCount++;
    return newContact;
}

From source file:FileUtils.java

/**
 * /*from   ww w  .j  a va  2 s . c om*/
 * Searches through the directory tree under the given context directory and
 * finds the first file that matches the file name. If the third parameter is
 * true, the method will also try to match directories, not just "regular"
 * files.
 * 
 * @param contextRoot
 *          The directory to start the search from.
 * 
 * @param fileName
 *          The name of the file (or directory) to search for.
 * 
 * @param matchDirectories
 *          True if the method should try and match the name against directory
 *          names, not just file names.
 * 
 * @return The java.io.File representing the <em>first</em> file or
 *         directory with the given name, or null if it was not found.
 * 
 */
public static File find(File contextRoot, String fileName, boolean matchDirectories) {
    if (contextRoot == null)
        throw new NullPointerException("NullContextRoot");

    if (fileName == null)
        throw new NullPointerException("NullFileName");

    if (!contextRoot.isDirectory()) {
        Object[] filler = { contextRoot.getAbsolutePath() };
        String message = "NotDirectory";
        throw new IllegalArgumentException(message);
    }

    File[] files = contextRoot.listFiles();

    //
    // for all children of the current directory...
    //
    for (int n = 0; n < files.length; ++n) {
        String nextName = files[n].getName();

        //
        // if we find a directory, there are two possibilities:
        //
        // 1. the names match, AND we are told to match directories.
        // in this case we're done
        //
        // 2. not told to match directories, so recurse
        //
        if (files[n].isDirectory()) {
            if (nextName.equals(fileName) && matchDirectories)
                return files[n];

            File match = find(files[n], fileName);

            if (match != null)
                return match;
        }

        //
        // in the case of regular files, just check the names
        //
        else if (nextName.equals(fileName))
            return files[n];
    }

    return null;
}

From source file:com.multimedia.service.advertisement.AdvertisementServiceImpl.java

@Override
public void init() {
    super.init();
    StringBuilder sb = new StringBuilder();
    common.utils.MiscUtils.checkNotNull(positions, "positions", sb);
    if (sb.length() > 0) {
        throw new NullPointerException(sb.toString());
    }//from  w  w  w  .j  a  v a  2 s .c  o  m
}

From source file:TableModel.RestaurantTableModel.java

public Object[][] getRowData() {
    if (rowData != null)
        return rowData;
    else//  w w w .  j a v  a2  s  .  co m
        throw new NullPointerException("Object[][] variable rowData is null!!");
}

From source file:net.nfpj.webcounter.service.CounterServiceImpl.java

@Inject
public CounterServiceImpl(@Named("memCounterDM") CounterDM counterDM) {
    if (counterDM == null) {
        throw new NullPointerException("CounterDM cannot be null");
    }//from  w w  w  .j a v  a 2 s .  c o m
    this.counterDM = counterDM;
}

From source file:gallery.web.validator.wallpaper.WallpaperUpdateBindValidator.java

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