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()

Source Link

Document

Constructs a NullPointerException with no detail message.

Usage

From source file:XMLResourceBundleControl.java

public ResourceBundle newBundle(String baseName, Locale locale, String format, ClassLoader loader,
            boolean reload) throws IllegalAccessException, InstantiationException, IOException {

        if ((baseName == null) || (locale == null) || (format == null) || (loader == null)) {
            throw new NullPointerException();
        }//  w w  w  .j a v  a  2 s  .  c  o  m
        ResourceBundle bundle = null;
        if (!format.equals(XML)) {
            return null;
        }

        String bundleName = toBundleName(baseName, locale);
        String resourceName = toResourceName(bundleName, format);
        URL url = loader.getResource(resourceName);
        if (url == null) {
            return null;
        }
        URLConnection connection = url.openConnection();
        if (connection == null) {
            return null;
        }
        if (reload) {
            connection.setUseCaches(false);
        }
        InputStream stream = connection.getInputStream();
        if (stream == null) {
            return null;
        }
        BufferedInputStream bis = new BufferedInputStream(stream);
        bundle = new XMLResourceBundle(bis);
        bis.close();

        return bundle;
    }

From source file:com.fizzed.rocker.runtime.HtmlStringify.java

@Override
public String s(Object obj) {
    // what to do with null objects?
    if (obj == null) {
        throw new NullPointerException();
    }/*from  ww  w  . j  a v a2s. c o  m*/
    return s(obj.toString());
}

From source file:DeliberateException.java

public void init(ServletConfig config) throws ServletException {
    super.init(config);
    throw new NullPointerException();
}

From source file:simple.crawler.http.HttpClientUtil.java

public static Cookie addCookie(HttpClient httpclient, String name, String value) {
    if (httpclient == null) {
        throw new NullPointerException();
    }/*from w w  w  . jav  a2  s .c o m*/
    BasicClientCookie cookie = new BasicClientCookie(name, value);
    ((AbstractHttpClient) httpclient).getCookieStore().addCookie(cookie);
    return cookie;
}

From source file:lda.inference.internal.Topics.java

Topics(LDA lda) {
    if (lda == null)
        throw new NullPointerException();

    topics = new ArrayList<>();
    for (int t = 0; t < lda.getNumTopics(); ++t) {
        topics.add(new Topic(t, lda.getBow().getNumVocabs()));
    }//from  ww w  .ja va  2 s. c o  m
}

From source file:StringUtils.java

/**
 *  Replaces a string with an other string.
 *
 *  @param orig Original string.  Null is safe.
 *  @param src  The string to find.// w  w  w  .j  a  v a2 s  . c o m
 *  @param dest The string to replace <I>src</I> with.
 *  @return A string with the replacement done.
 */
public static final String replaceString(String orig, String src, String dest) {
    if (orig == null)
        return null;
    if (src == null || dest == null)
        throw new NullPointerException();
    if (src.length() == 0)
        return orig;

    StringBuffer res = new StringBuffer(orig.length() + 20); // Pure guesswork
    int start = 0;
    int end = 0;
    int last = 0;

    while ((start = orig.indexOf(src, end)) != -1) {
        res.append(orig.substring(last, start));
        res.append(dest);
        end = start + src.length();
        last = start + src.length();
    }

    res.append(orig.substring(end));

    return res.toString();
}

From source file:com.milaboratory.util.CompressionType.java

private static InputStream createInputStream(CompressionType ct, InputStream is) throws IOException {
    switch (ct) {
    case None://from  w  ww.j  a  va2 s .c  om
        return is;
    case GZIP:
        return new GZIPInputStream(is, 2048);
    case BZIP2:
        CompressorStreamFactory factory = new CompressorStreamFactory();
        try {
            return factory.createCompressorInputStream(CompressorStreamFactory.BZIP2,
                    new BufferedInputStream(is));
        } catch (CompressorException e) {
            throw new IOException(e);
        }
    }
    throw new NullPointerException();
}

From source file:XMLResourceBundleControl.java

  public ResourceBundle newBundle(String baseName, Locale locale, String format,
    ClassLoader loader, boolean reload) throws IllegalAccessException, InstantiationException,
    IOException {/*from w  w w  .  ja  v  a2  s.co  m*/

  if ((baseName == null) || (locale == null) || (format == null) || (loader == null)) {
    throw new NullPointerException();
  }
  ResourceBundle bundle = null;
  if (!format.equals(XML)) {
    return null;
  }

  String bundleName = toBundleName(baseName, locale);
  String resourceName = toResourceName(bundleName, format);
  URL url = loader.getResource(resourceName);
  if (url == null) {
    return null;
  }
  URLConnection connection = url.openConnection();
  if (connection == null) {
    return null;
  }
  if (reload) {
    connection.setUseCaches(false);
  }
  InputStream stream = connection.getInputStream();
  if (stream == null) {
    return null;
  }
  BufferedInputStream bis = new BufferedInputStream(stream);
  bundle = new XMLResourceBundle(bis);
  bis.close();

  return bundle;
}

From source file:pdsanchez.mywebtools.model.service.ToolsSvcImpl.java

@Override
public void addTool(Tool tool) {
    if (tool == null) {
        throw new NullPointerException();
    }// w  w w  . j a  va 2s.co  m

    Category category = this.addCategory(tool.getCategory());
    tool.setCategory(category);
    Subcategory subcategory = this.addSubcategory(tool.getSubcategory());
    tool.setSubcategory(subcategory);

    toolDAO.create(tool);
}

From source file:com.collective.celos.Util.java

public static <T> T requireNonNull(T object) {
    if (object == null)
        throw new NullPointerException();
    else//w w  w  . ja  va  2 s.c o  m
        return object;
}