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.trendrr.oss.networking.strest.StrestUtil.java

static void validateHeaderName(String name) {
    if (name == null) {
        throw new NullPointerException("name");
    }//  w  w  w . ja  v  a 2 s . co  m
    for (int i = 0; i < name.length(); i++) {
        char c = name.charAt(i);
        if (c > 127) {
            throw new IllegalArgumentException("name contains non-ascii character: " + name);
        }

        // Check prohibited characters.
        switch (c) {
        case '\t':
        case '\n':
        case 0x0b:
        case '\f':
        case '\r':
        case ' ':
        case ',':
        case ':':
        case ';':
        case '=':
            throw new IllegalArgumentException("name contains one of the following prohibited characters: "
                    + "=,;: \\t\\r\\n\\v\\f: " + name);
        }
    }
}

From source file:com.upnext.beaconos.sdk.backend.JacksonConverterFactory.java

public JacksonConverterFactory(ObjectMapper objectMapper) {
    if (objectMapper == null) {
        throw new NullPointerException("objectMapper is null.");
    }//from w w w .j ava 2s.  com
    this.objectMapper = objectMapper;
}

From source file:com.bstek.dorado.common.event.ClientEventRegistry.java

/**
 * //from www .j a v a 2  s . co  m
 * 
 * @param clientEventRegisterInfo
 *            ?
 */
public static void registerClientEvent(ClientEventRegisterInfo clientEventRegisterInfo) {
    Class<?> type = clientEventRegisterInfo.getType();
    if (type == null) {
        throw new NullPointerException("[type] should not be null.");
    }

    Map<String, ClientEventRegisterInfo> eventMap = typeMap.get(type);
    if (eventMap == null) {
        eventMap = new HashMap<String, ClientEventRegisterInfo>();
        typeMap.put(type, eventMap);
    }

    String eventName = clientEventRegisterInfo.getName();
    if (StringUtils.isEmpty(eventName)) {
        throw new IllegalArgumentException("[eventName] should not be empty.");
    }

    if (eventMap.containsKey(eventName)) {
        throw new IllegalArgumentException(
                "Client event [" + type.getName() + "," + eventName + "] is already registered.");
    }

    eventMap.put(eventName, clientEventRegisterInfo);
}

From source file:org.bigmouth.nvwa.network.http.utils.HttpUtils.java

public static HttpResponse get(HttpRequest request) throws UnexpectStatusCodeException, HttpException {
    if (null == request) {
        throw new NullPointerException("request");
    }//w  ww . j  a va2 s. c  o m
    request.setMethod(Method.GET);
    return access(request);
}

From source file:jef.tools.Assert.java

/**
 *  ?null/*from   ww w  .  j a v  a 2s .c  o m*/
 * @param obj
 * @param msg
 */
public static void notNull(Object obj, String msg) {
    if (obj == null)
        throw new NullPointerException(msg);
}

From source file:com.toolazydogs.security4j.Principal.java

protected Principal(String realm) {
    if (realm == null)
        throw new NullPointerException("Realm cannot be null");
    this.realm = realm;
}

From source file:com.github.nmorel.gwtjackson.shared.model.AutoValue_Animal.java

private AutoValue_Animal(String name, int numberOfLegs) {
    if (name == null) {
        throw new NullPointerException("Null name");
    }//w ww.  j av a2s  .c o m
    this.name = name;
    this.numberOfLegs = numberOfLegs;
}

From source file:hd3gtv.mydmam.useraction.fileoperation.CopyMove.java

public static void checkExistsCanRead(File element) throws IOException, NullPointerException {
    if (element == null) {
        throw new NullPointerException("element is null");
    }/*from   w w  w .ja  v a2s .  co m*/
    if (element.exists() == false) {
        throw new FileNotFoundException("\"" + element.getPath() + "\" in filesytem");
    }
    if (element.canRead() == false) {
        throw new IOException("Can't read element \"" + element.getPath() + "\"");
    }
}

From source file:Main.java

public static void appendChild(Document doc, Node parentNode, String childName, String childContents) {
    if (childContents == null)
        throw (new NullPointerException("ChildNode is null."));

    Element child = doc.createElement(childName);
    child.setTextContent(childContents);
    parentNode.appendChild(child);/*w ww.  jav a  2  s . c  om*/
}

From source file:hd3gtv.mydmam.auth.AuthenticationBackend.java

public static void refreshConfiguration() throws Exception {
    if (Configuration.global.isElementExists("auth") == false) {
        throw new NullPointerException("Can't found \"auth\" element in configuration");
    }//ww w  . jav  a  2  s. c  o  m
    if (Configuration.global.isElementKeyExists("auth", "backend") == false) {
        throw new NullPointerException("Can't found \"auth/backend\" element in configuration");
    }

    List<LinkedHashMap<String, ?>> elements = Configuration.global.getListMapValues("auth", "backend");

    if (elements == null) {
        throw new NullPointerException("No items for \"auth/backend\" element in configuration");
    }

    force_select_domain = Configuration.global.getValueBoolean("auth", "force_select_domain");

    authenticators = new ArrayList<Authenticator>(elements.size());
    authenticators_domains = new ArrayList<String>(elements.size());

    LinkedHashMap<String, ?> configuration_element;
    File auth_file;
    for (int pos = 0; pos < elements.size(); pos++) {
        configuration_element = elements.get(pos);
        String element_source = (String) configuration_element.get("source");
        if (element_source.equals("local")) {
            String path = (String) configuration_element.get("path");

            auth_file = new File(path);
            if (auth_file.exists() == false) {
                if (auth_file.isAbsolute() == false) {
                    if (auth_file.getParentFile().getName().equals("conf") & Configuration
                            .getGlobalConfigurationDirectory().getParentFile().getName().equals("conf")) {
                        /**
                         * SQLite file is located in Play conf directory, and Play /app.d/ is also located in conf directory.
                         * We consider that conf directory is the same.
                         */
                        auth_file = new File(Configuration.getGlobalConfigurationDirectory().getParent()
                                + File.separator + auth_file.getName());
                    }
                }
            }
            if (auth_file.exists() == false) {
                throw new FileNotFoundException(path);
            }

            String masterkey = (String) configuration_element.get("masterkey");
            authenticators.add(new AuthenticatorLocalsqlite(auth_file, masterkey));

            String label = (String) configuration_element.get("label");
            authenticators_domains.add(label);
        } else if (element_source.equals("ad")) {
            String domain = (String) configuration_element.get("domain");
            String server = (String) configuration_element.get("server");
            int port = (Integer) configuration_element.get("port");
            authenticators.add(new AuthenticatorActivedirectory(domain, server, port));

            authenticators_domains.add(domain);
        } else {
            Log2.log.error("Can't import \"auth/backend\" " + (pos + 1) + " configuration item", null,
                    new Log2Dump("item", configuration_element.toString()));
        }
    }

    if (authenticators.isEmpty()) {
        throw new NullPointerException("No authentication backend is correctly set");
    }
}