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 void setText(TextView textView, String text) {
    if (textView != null) {
        if (text == null)
            text = "";
        textView.setText(text);/*  w w  w  .j a  v a2s  .c o m*/
    } else {
        throw new IllegalArgumentException("A view is null in your parameters.");
    }
}

From source file:StringUtilities.java

/**
 * Capicalizes the first letter of a string
 * @param str the string to be capitalized
 * @return a capitalized version of {@code str}
 *//*from  w  w w.java  2 s. c  o  m*/
public static String capitalize(final String str) {
    if (str == null) {
        throw new IllegalArgumentException("str is null");
    }
    if (str.isEmpty()) {
        return str;
    }
    final String firstLetterUppercase = str.substring(0, 1).toUpperCase();
    final String theRest = str.substring(1);
    return firstLetterUppercase + theRest;
}

From source file:Main.java

static Throwable checkedException(Throwable ex)
/*  46:    */ {/*from  w  w  w  . j  a v  a2 s.c  om*/
    /*  47:144 */if ((ex != null) && (!(ex instanceof RuntimeException)) && (!(ex instanceof Error))) {
        /*  48:146 */return ex;
        /*  49:    */}
    /*  50:148 */throw new IllegalArgumentException("Not a checked exception: " + ex);
    /*  51:    */}

From source file:Main.java

@SuppressWarnings({ "unchecked", "rawtypes" })
public synchronized static void sortTwoLists(List<Integer> queryList, List secondList) {
    if (queryList.size() != secondList.size()) {
        throw new IllegalArgumentException("The lists have to be of equal size!");
    }//ww  w . jav a2s.  c o  m
    int n = queryList.size();
    for (int i = 0; i < n; i++) {
        for (int j = n - 1; j > i; j--) {
            int one = ((Number) queryList.get(j - 1)).intValue();
            int two = ((Number) queryList.get(j)).intValue();
            if (one > two) {
                queryList.set(j - 1, two);
                queryList.set(j, one);

                Object temp = secondList.get(j - 1);
                secondList.set(j - 1, secondList.get(j));
                secondList.set(j, temp);
            }
        }
    }
}

From source file:Main.java

public static ImageIcon iconFromStream(final InputStream in) throws IOException {
    if (in == null) {
        throw new IllegalArgumentException("Stream must not be null");
    }// w  w  w .j  a v  a  2  s  .  c  o  m
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    final byte[] buffer = new byte[1024];
    int read;
    while ((read = in.read(buffer)) > 0) {
        out.write(buffer, 0, read);
    }
    in.close();
    return new ImageIcon(out.toByteArray());
}

From source file:Main.java

public static ContentValues objectToContentValues(Object object) {
    if (object == null) {
        throw new IllegalArgumentException("please check your argument");
    }/*from  w  w  w  . j  a va2  s .  c  om*/
    ContentValues contentValues = new ContentValues();
    try {
        Field[] fields = object.getClass().getDeclaredFields();
        for (Field field : fields) {
            String fieldName = field.getName();
            Type type = field.getType();
            field.setAccessible(true);
            if (type.equals(String.class)) {
                contentValues.put(fieldName, field.get(object).toString());
            } else if (type.equals(Integer.class) || type.equals(Integer.TYPE)) {
                contentValues.put(fieldName, field.getInt(object));
            } else if (type.equals(Float.class) || type.equals(Float.TYPE)) {
                contentValues.put(fieldName, field.getFloat(object));
            } else if (type.equals(Long.class) || type.equals(Long.TYPE)) {
                contentValues.put(fieldName, field.getLong(object));
            } else if (type.equals(Double.class) || type.equals(Double.TYPE)) {
                contentValues.put(fieldName, field.getDouble(object));
            } else if (type.equals(Boolean.class) || type.equals(Boolean.TYPE)) {
                contentValues.put(fieldName, field.getBoolean(object));
            }
        }
    } catch (IllegalAccessException | IllegalArgumentException e) {
        e.printStackTrace();
    }
    return contentValues;
}

From source file:Main.java

public static void require(boolean requirement, String message) {
    if (!requirement) {
        throw (message != null) ? new IllegalArgumentException(message) : new IllegalArgumentException();
    }/*from w w w  . ja  va2 s .c  o m*/
}

From source file:Main.java

public static void validateDirection(int direction) {
    if (direction != SwingConstants.NORTH && direction != SwingConstants.EAST
            && direction != SwingConstants.SOUTH && direction != SwingConstants.WEST) {
        throw new IllegalArgumentException("invalid direction");
    }/*from  w w w  .j  a v  a 2 s.  co m*/
}

From source file:Main.java

public static String utf8Encoding(String value, String sourceCharsetName) {
    try {//from   www .  j a v a 2  s.  c  o m
        return new String(value.getBytes(sourceCharsetName), "UTF-8");
    } catch (UnsupportedEncodingException e) {
        throw new IllegalArgumentException(e);
    }
}

From source file:Main.java

private static String safeInstanceIdFolderName(String instanceId) {
    if (instanceId != null && instanceId.length() != 0) {
        String instanceFolder = instanceId.replaceAll("(\\p{P}|\\p{Z})", "_");
        return instanceFolder;
    } else {/*from w w  w .  j a v  a2  s. com*/
        throw new IllegalArgumentException("getInstanceFolder: instanceId is null or the empty string!");
    }
}