Example usage for java.lang NoSuchFieldException printStackTrace

Introduction

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

Prototype

public void printStackTrace()

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:Main.java

public static void main(String... args) {
    Main ft = new Main();
    try {/*from w  ww  .ja v a2s .c  o  m*/
        Class<?> c = ft.getClass();
        Field f = c.getDeclaredField("b");
        f.setAccessible(true); // solution
        f.setBoolean(ft, Boolean.FALSE); // IllegalAccessException

        // production code should handle these exceptions more gracefully
    } catch (NoSuchFieldException x) {
        x.printStackTrace();
    } catch (IllegalArgumentException x) {
        x.printStackTrace();
    } catch (IllegalAccessException x) {
        x.printStackTrace();
    }
}

From source file:FieldTroubleToo.java

public static void main(String... args) {
    FieldTroubleToo ft = new FieldTroubleToo();
    try {//  w ww. ja  v  a2 s.c o  m
        Class<?> c = ft.getClass();
        Field f = c.getDeclaredField("b");
        // f.setAccessible(true); // solution
        f.setBoolean(ft, Boolean.FALSE); // IllegalAccessException

        // production code should handle these exceptions more gracefully
    } catch (NoSuchFieldException x) {
        x.printStackTrace();
    } catch (IllegalArgumentException x) {
        x.printStackTrace();
    } catch (IllegalAccessException x) {
        x.printStackTrace();
    }
}

From source file:E0.java

public static void main(String... args) {
    try {/* ww  w  . j  a  v  a  2 s.c o  m*/
        ETest test = new ETest();
        Field f = test.getClass().getDeclaredField("fld");
        f.setAccessible(true);
        f.set(test, E1.A); // IllegalArgumentException

        // production code should handle these exceptions more gracefully
    } catch (NoSuchFieldException x) {
        x.printStackTrace();
    } catch (IllegalAccessException x) {
        x.printStackTrace();
    }
}

From source file:Tweedle.java

public static void main(String... args) {
    Book book = new Book();
    String fmt = "%6S:  %-12s = %s%n";

    try {//  w w  w  . j  a va 2  s .c om
        Class<?> c = book.getClass();

        Field chap = c.getDeclaredField("chapters");
        out.format(fmt, "before", "chapters", book.chapters);
        chap.setLong(book, 12);
        out.format(fmt, "after", "chapters", chap.getLong(book));

        Field chars = c.getDeclaredField("characters");
        out.format(fmt, "before", "characters", Arrays.asList(book.characters));
        String[] newChars = { "Queen", "King" };
        chars.set(book, newChars);
        out.format(fmt, "after", "characters", Arrays.asList(book.characters));

        Field t = c.getDeclaredField("twin");
        out.format(fmt, "before", "twin", book.twin);
        t.set(book, Tweedle.DUM);
        out.format(fmt, "after", "twin", t.get(book));

        // production code should handle these exceptions more gracefully
    } catch (NoSuchFieldException x) {
        x.printStackTrace();
    } catch (IllegalAccessException x) {
        x.printStackTrace();
    }
}

From source file:Main.java

public static Field getDeclaredField(Class clazz, String name) {
    try {//from   ww  w  .ja  v  a  2 s. com
        Field field = clazz.getDeclaredField(name);
        return field;
    } catch (NoSuchFieldException e) {
        e.printStackTrace();
    }
    return null;

}

From source file:Main.java

private static void setField(Object obj, Class<?> cls, String field, Object value) {
    try {//from ww  w .ja  v a  2 s .  co  m
        Field localField = cls.getDeclaredField(field);
        localField.setAccessible(true);
        localField.set(obj, value);
    } catch (NoSuchFieldException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

protected static void replaceFont(String staticTypefaceFieldName, final Typeface newTypeface) {
    try {//ww  w.j ava  2s.co  m
        final Field staticField = Typeface.class.getDeclaredField(staticTypefaceFieldName);
        staticField.setAccessible(true);
        staticField.set(null, newTypeface);
    } catch (NoSuchFieldException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void injectLayoutInflater(LayoutInflater layoutInflater, Object src, Class clz, String name) {
    try {/*w  ww  .  ja  va 2s . c  om*/
        Field field = clz.getDeclaredField(name);
        field.setAccessible(true);
        field.set(src, layoutInflater);
    } catch (NoSuchFieldException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }

}

From source file:Main.java

public static void init() {
    try {//from  w  w w. j a v  a  2 s  .  co m
        Class AppOpsManager = Class.forName("android.app.AppOpsManager");
        Field field = AppOpsManager.getDeclaredField("OP_SYSTEM_ALERT_WINDOW");
        field.setAccessible(true);
        OP_SYSTEM_ALERT_WINDOW = field.getInt(null);
    } catch (ClassNotFoundException e2) {

    } catch (NoSuchFieldException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static Field findFields(Class<?> clazz, String fieldName) {
    Field result = null;/*from ww w  . ja  va2s  . com*/
    if (clazz != null) {
        try {
            result = clazz.getField(fieldName);
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        }
    }
    return result;
}