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:cz.muni.fi.pa165.deliveryservice.dao.jpa.JPACourierDAO.java

@Override
public void deleteCourier(Courier courier) {
    if (courier == null) {
        throw new NullPointerException("Courier argument can't be null");
    }/*  ww  w.  java 2  s.c om*/

    if (courier.getId() == null) {
        throw new IllegalStateException("Trying to delete courier with no id assigned");
    }

    Courier toRemove = em.find(Courier.class, courier.getId());

    em.remove(toRemove);
}

From source file:com.bigdata.rockstor.console.RockStorSender.java

private static HttpRequestBase buildHttpRequest(HttpReq req)
        throws UnsupportedEncodingException, URISyntaxException {

    HttpRequestBase request = null;/*from  ww w.j a va  2  s  .c  o  m*/
    if ("GET".equals(req.getMethod())) {
        request = new HttpGet();
    } else if ("PUT".equals(req.getMethod())) {
        request = new HttpPut();
        if (req.getBody() != null && req.getBody().length() > 0)
            ((HttpPut) request).setEntity(new StringEntity(req.getBody()));
    } else if ("DELETE".equals(req.getMethod())) {
        request = new HttpDelete();
    } else if ("HEAD".equals(req.getMethod())) {
        request = new HttpHead();
    } else {
        throw new NullPointerException("Unknown HTTP Method : " + req.getMethod());
    }

    request.setURI(new URI(req.getUrl()));

    if (req.getHead() != null) {
        for (Map.Entry<String, String> e : req.getHead().entrySet()) {
            if ("PUT".equals(req.getMethod()) && e.getKey().equals("Content-Length"))
                continue;
            request.setHeader(e.getKey(), e.getValue());
        }
    }

    return request;
}

From source file:Main.java

/**
 * Construct a file from the set of name elements.
 *
 * @param directory the parent directory
 * @param names     the name elements//from   ww  w  . j  a  va 2  s. com
 * @return the file
 * @since 2.1
 */
public static File getFile(File directory, String... names) {
    if (directory == null) {
        throw new NullPointerException("directorydirectory must not be null");
    }
    if (names == null) {
        throw new NullPointerException("names must not be null");
    }
    File file = directory;
    for (String name : names) {
        file = new File(file, name);
    }
    return file;
}

From source file:io.github.howiefh.jeews.modules.sys.controller.LoginCotroller.java

@RequestMapping(value = "", method = RequestMethod.POST)
public Map<String, Object> login(@RequestBody User u) {
    String username = u.getUsername();
    String password = u.getPassword();
    if (username == null) {
        throw new NullPointerException("????");
    }/*  w ww . jav  a  2 s  .  co  m*/
    User user = userService.findByName(username);

    if (user == null) {
        throw new UnknownAccountException("??");// ??
    }

    if (Boolean.TRUE.equals(user.getLocked())) {
        throw new LockedAccountException("???"); // ???
    }

    if (!userService.passwordsMatch(user, password)) {
        throw new IncorrectCredentialsException("????");
    }

    JWTSigner signer = new JWTSigner(secret);
    Options options = new Options();
    // 7 * 24 * 60 * 60 = 604800
    options.setExpirySeconds(604800);
    Map<String, Object> claims = new HashMap<String, Object>();
    RolePermission rolePermission = user.new RolePermission();
    claims.put("perms", rolePermission.getPermissionSet());
    claims.put("iss", user.getUsername());
    String token = signer.sign(claims, options);

    Map<String, Object> map = new HashMap<String, Object>();
    map.put("access_token", token);
    Map<String, Object> userMap = new HashMap<String, Object>();
    userMap.put("id", user.getId());
    userMap.put("username", user.getUsername());
    userMap.put("perms", rolePermission.getPermissionSet());
    userMap.put("roles", rolePermission.getRoleSet());
    map.put("user", userMap);
    return map;
}

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

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

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

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

From source file:com.gdo.util.XmlWriter.java

/**
 * Creates a new XML writer.//from   w w  w . j  a v  a 2  s  . c  o m
 * 
 * @param writer
 *            underlying writer.
 * @param indent
 *            starting indentation level.
 * @param encoding
 *            character encoding used.
 */
public XmlWriter(Writer writer, int indent, String encoding) {
    if (writer == null) {
        throw new NullPointerException("Cannot create a XML writer without an underlying writer");
    }
    if (StringUtils.isEmpty(encoding)) {
        throw new NullPointerException("Cannot create a XML writer without charset encoding");
    }
    _writer = writer;
    _encoding = encoding;
    _indent = indent;
}

From source file:edu.cornell.mannlib.vedit.util.OperationUtils.java

/**
 * Takes a bean and clones it using reflection. Any fields without standard
 * getter/setter methods will not be copied.
 *//*  w ww. jav a2s.  co m*/
public static Object cloneBean(Object bean) {
    if (bean == null) {
        throw new NullPointerException("bean may not be null.");
    }
    return cloneBean(bean, bean.getClass(), bean.getClass());
}

From source file:org.zalando.maven.plugins.swagger.parsing.ParserTest.java

/**
 * Same code as in the parser itself to find out what is wrong with the swagger.yaml file.
 *//*from www .j av  a  2  s.c  om*/
@Test
public void yamlParse() throws JsonProcessingException, IOException {
    JsonNode rootNode = null;
    ObjectMapper objectMapper = Yaml.mapper();
    rootNode = objectMapper.readTree(getClass().getResourceAsStream("/swagger.yaml"));

    JsonNode swaggerNode = rootNode.get("swagger");
    if (swaggerNode == null) {

        throw new NullPointerException("You failed!");
    }

    swagger = objectMapper.convertValue(rootNode, Swagger.class);
    Assertions.assertThat(swagger).isNotNull();
}

From source file:com.google.nigori.common.Revision.java

/**
 * This methods exists as a convenience for when writing tests, use is not encouraged in general.
 * @param revision//from w w w.j av a 2  s  .  co  m
 * @throws UnsupportedEncodingException
 */
public Revision(String revision) throws UnsupportedEncodingException {
    if (revision == null) {
        throw new NullPointerException("Null revisons not allowed");
    }
    this.revision = MessageLibrary.toBytes(revision);
}

From source file:net.jforum.services.SmilieService.java

/**
 * Adds a new smilie//  ww w. j av a2  s .c o m
 *
 * @param smilie
 */
public void add(Smilie smilie, UploadedFile uploadedFile) {
    this.applyCommonConstraints(smilie);

    if (smilie.getId() > 0) {
        throw new ValidationException("Cannot add an existing (id > 0) smilie");
    }

    String imageDiskName = this.saveImage(uploadedFile);

    if (imageDiskName == null) {
        throw new NullPointerException("Could not find the smile file to save");
    }

    smilie.setDiskName(imageDiskName);

    this.repository.add(smilie);
}