Example usage for java.lang IllegalArgumentException IllegalArgumentException

Introduction

In this page you can find the example usage for java.lang IllegalArgumentException IllegalArgumentException.

Prototype

public IllegalArgumentException(Throwable cause)

Source Link

Document

Constructs a new exception with the specified cause and a detail message of (cause==null ?

Usage

From source file:Main.java

public static Drawable bitmapToDrawable(Context context, Bitmap bitmap) {
    if (context == null || bitmap == null) {
        throw new IllegalArgumentException("Params illegal, please check you param");
    }/*from w ww  .  j  ava2  s  .c  o m*/
    Drawable drawable = new BitmapDrawable(context.getResources(), bitmap);
    return drawable;
}

From source file:Main.java

public static Map<String, String> toStringMap(final String... pairs) {
    final Map<String, String> parameters = new HashMap<String, String>();
    if (pairs.length > 0) {
        if (pairs.length % 2 != 0) {
            throw new IllegalArgumentException("pairs must be even.");
        }//from   w  w w. ja  v a  2s.c o m
        for (int i = 0; i < pairs.length; i = i + 2) {
            parameters.put(pairs[i], pairs[i + 1]);
        }
    }
    return parameters;
}

From source file:Main.java

public static Element getSingleChildElement(Element parent, Enum<?> child) {
    final Element el = getSingleOptionalChildElement(parent, child);
    if (el != null) {
        return el;
    }/*from w  w  w . ja v a  2 s .  c  o m*/
    throw new IllegalArgumentException("mandatory (single) child element " + getXmlName(child)
            + " missing for XML element " + parent.getNodeName());
}

From source file:Main.java

/**
 *  Gets a named attribute of a Node<p>
 *  @param node The node to search/*from   w w w . jav a2s . c  o m*/
 *  @param attr The name of the attribute to get
 */
public synchronized static String getAttribute(Node node, String attr) {
    if (node == null)
        throw new IllegalArgumentException("Node argument cannot be null");
    if (attr == null)
        throw new IllegalArgumentException("Node attribute argument cannot be null");

    NamedNodeMap map = node.getAttributes();
    if (map != null) {
        Node an = map.getNamedItem(attr);
        if (an != null)
            return an.getNodeValue();
    }

    return null;
}

From source file:Main.java

/**
 *  Removes a named attribute of a Node<p>
 *  @param node The node to search/*from  w  w w  .j  av a 2  s . c  o m*/
 *  @param attr The name of the attribute to remove
 */
public synchronized static void removeAttribute(Node node, String attr) {
    if (node == null)
        throw new IllegalArgumentException("Node argument cannot be null");
    if (attr == null)
        throw new IllegalArgumentException("Node attribute argument cannot be null");

    NamedNodeMap map = node.getAttributes();
    if (map != null) {
        Node an = map.getNamedItem(attr);
        if (an != null)
            map.removeNamedItem(attr);
    }
}

From source file:Main.java

public static byte[] transStreamToBytes(InputStream is, int buffSize) {
    if (is == null) {
        return null;
    }/*  ww w  .j a v  a2 s  .co m*/
    if (buffSize <= 0) {
        throw new IllegalArgumentException("buffSize can not less than zero.....");
    }
    byte[] data = null;
    byte[] buffer = new byte[buffSize];
    int actualSize = 0;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    try {
        while ((actualSize = is.read(buffer)) != -1) {
            baos.write(buffer, 0, actualSize);
        }
        data = baos.toByteArray();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            baos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return data;
}

From source file:Main.java

public static Float testNumber(String aArg) {
    while (true) {
        if (aArg.length() == 0) {
            return null;
        }/* www  .  ja  va 2  s  . co m*/
        if (aArg.matches("-?\\d+(\\.\\d+)?") == true) {
            break;
        } else {
            throw new IllegalArgumentException("not a number");
        }
    }
    return Float.parseFloat(aArg);
}

From source file:Main.java

public static int bytesToInt(boolean asc, byte... bytes) {
    if (null == bytes) {
        throw new NullPointerException("bytes is null!");
    }//from  w w w .ja  v  a  2  s  .  com
    final int length = bytes.length;
    if (length > 4) {
        throw new IllegalArgumentException("Illegal length!");
    }
    int result = 0;
    if (asc)
        for (int i = length - 1; i >= 0; i--) {
            result <<= 8;
            result |= (bytes[i] & 0x000000ff);
        }
    else
        for (int i = 0; i < length; i++) {
            result <<= 8;
            result |= (bytes[i] & 0x000000ff);
        }
    return result;
}

From source file:Main.java

/**
 * Return a BCD representation of an integer as a 4-byte array.
 * @param i int/*w  ww  .  j  a  va 2s . c om*/
 * @return  byte[4]
 */
public static byte[] intToBcdArray(int i) {
    if (i < 0)
        throw new IllegalArgumentException("Argument cannot be a negative integer.");

    StringBuilder binaryString = new StringBuilder();

    while (true) {
        int quotient = i / 10;
        int remainder = i % 10;
        String nibble = String.format("%4s", Integer.toBinaryString(remainder)).replace(' ', '0');
        binaryString.insert(0, nibble);

        if (quotient == 0) {
            break;
        } else {
            i = quotient;
        }
    }

    return ByteBuffer.allocate(4).putInt(Integer.parseInt(binaryString.toString(), 2)).array();
}

From source file:Main.java

public static String getFormDataContent(final List<? extends NameValuePair> parameters, final String boundary)
        throws IllegalArgumentException {

    if (parameters == null || parameters.size() == 0)
        throw new IllegalArgumentException("parameters error");
    final StringBuilder result = new StringBuilder();
    for (final NameValuePair parameter : parameters) {

        result.append(String.format("\r\n--%1$s\r\nContent-Disposition: form-data; name=\"%2$s\"\r\n\r\n%3$s",
                boundary, parameter.getName(), parameter.getValue()));
    }/*from  w ww .  j a va2 s .c o  m*/
    return result.toString();
}