Example usage for java.lang.reflect Modifier isStatic

Introduction

In this page you can find the example usage for java.lang.reflect Modifier isStatic.

Prototype

public static boolean isStatic(int mod)

Source Link

Document

Return true if the integer argument includes the static modifier, false otherwise.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    Class<?> clazz = String.class;
    int modifier = clazz.getModifiers();

    if (Modifier.isStatic(modifier)) {
        System.out.println("isStatic");
    }/*from   w w  w  .  j  a v a  2 s.  c  om*/
}

From source file:org.apache.flink.configuration.ConfigDocsCompletenessChecker.java

public static void main(String[] args) throws Exception {

    String configFileContents = FileUtils.readFileToString(new File("docs/setup/config.md"));
    Field[] fields = ConfigConstants.class.getFields();

    for (Field field : fields) {
        if (Modifier.isStatic(field.getModifiers()) && field.getType().equals(String.class)
                && !field.getName().startsWith("DEFAULT")) {
            Object val = field.get(null);
            if (!configFileContents.contains((String) val)) {
                System.out.println("++++ " + val + " is not mentioned in the configuration file!!!");
            }//from w  w w. ja  v  a2  s .c o  m
        }
    }
}

From source file:Main.java

public static boolean fieldIsInvalid(Field field) {
    return (Modifier.isStatic(field.getModifiers()) && Modifier.isFinal(field.getModifiers()))
            || field.isSynthetic();/*from   w  w  w.j av a  2  s .c  o m*/
}

From source file:Main.java

public static boolean hasGetterSignature(Method m) {
    // First: static methods can't be getters
    if (Modifier.isStatic(m.getModifiers())) {
        return false;
    }//from   w w  w  .  j  ava2s. c o  m
    // Must take no args
    Class<?>[] pts = m.getParameterTypes();
    if (pts != null && pts.length != 0) {
        return false;
    }
    // Can't be a void method
    if (Void.TYPE == m.getReturnType()) {
        return false;
    }
    // Otherwise looks ok:
    return true;
}

From source file:Main.java

private static void getClassModifier(Class clazz) {
    int modifier = clazz.getModifiers();

    if (Modifier.isStatic(modifier)) {
        System.out.println(clazz.getName() + " class modifier is static");
    }//  w  w  w. j av a  2 s .  c o  m

}

From source file:Main.java

private static Field getSingletonField(Class<?> hostClas) {
    Field f = null;//from  w ww  .  j  av  a  2  s.co m
    try {
        f = hostClas.getDeclaredField("I");
        if (!Modifier.isStatic(f.getModifiers()))
            throw new Exception("'I' field should be static." + f);
        f.setAccessible(true);
    } catch (Throwable ex) {
    }
    return f;
}

From source file:Main.java

private static Method findGetter(Method[] methods, String name, Class<?> paramType) {
    String getterName = "get" + name;
    String isGetterName = "is" + name;
    for (Method method : methods) {
        if (Modifier.isStatic(method.getModifiers())) {
            continue;
        }/*from  w w w .  ja v a2  s  .  c  o  m*/
        String methodName = method.getName();
        if (!methodName.equals(getterName) && !methodName.equals(isGetterName)) {
            continue;
        }
        if (!method.getReturnType().equals(paramType)) {
            continue;
        }
        if (method.getParameterTypes().length == 0) {
            return method;
        }
    }
    return null;
}

From source file:Main.java

/**
 * Method for finding enclosing class for non-static inner classes
 *///  w w w . j a  va 2s .c  o  m
public static Class<?> getOuterClass(Class<?> type) {
    // as above, GAE has some issues...
    try {
        // one more: method locals, anonymous, are not good:
        if (type.getEnclosingMethod() != null) {
            return null;
        }
        if (!Modifier.isStatic(type.getModifiers())) {
            return type.getEnclosingClass();
        }
    } catch (SecurityException e) {
    } catch (NullPointerException e) {
    }
    return null;
}

From source file:Main.java

public static Method[] getSelfMethod(Object o) {
    Class c = o.getClass();//from  ww w. j  a  v  a  2  s .  c  o  m
    Method[] ms = o.getClass().getMethods();
    List list = new ArrayList();
    for (Method m : ms) {
        int mod = m.getModifiers();
        if (m.getDeclaringClass().equals(c) && Modifier.isPublic(mod) && !Modifier.isStatic(mod)) {
            list.add(m);
        }

    }
    return (Method[]) list.toArray(new Method[0]);
}

From source file:Main.java

public static Map<String, Object> optPublicFieldKeyValueMap(Object obj) {
    Map<String, Object> map = new HashMap<String, Object>();
    if (obj != null) {
        Field[] fields = obj.getClass().getFields();
        for (Field f : fields) {
            try {
                boolean isStatic = Modifier.isStatic(f.getModifiers());
                if (!isStatic) {
                    Object value = f.get(obj);
                    if (value != null)
                        map.put(f.getName(), value);
                }//  w ww .  ja va  2s . co m
            } catch (Exception e) {

            }
        }
    }
    return map;
}