Example usage for java.lang.reflect Member getModifiers

Introduction

In this page you can find the example usage for java.lang.reflect Member getModifiers.

Prototype

public int getModifiers();

Source Link

Document

Returns the Java language modifiers for the member or constructor represented by this Member, as an integer.

Usage

From source file:org.apache.brooklyn.util.javalang.MethodAccessibleReflections.java

static boolean isAccessible(Member m) {
    return m != null && Modifier.isPublic(m.getModifiers());
}

From source file:org.robobinding.util.MemberUtils.java

/**
 * Returns whether a Member is accessible.
 * /*  w  w w .  j  ava 2 s .c o m*/
 * @param m
 *            Member to check
 * @return true if <code>m</code> is accessible
 */
static boolean isAccessible(final Member m) {
    return m != null && Modifier.isPublic(m.getModifiers()) && !m.isSynthetic();
}

From source file:org.robobinding.util.MemberUtils.java

/**
 * //from w w w .j  a  va  2s .co m
 * When a public class has a default access superclass with public members,
 * these members are accessible. Calling them from compiled code works fine.
 * Unfortunately, on some JVMs, using reflection to invoke these members
 * seems to (wrongly) prevent access even when the modifier is public.
 * Calling setAccessible(true) solves the problem but will only work from
 * sufficiently privileged code. Better workarounds would be gratefully
 * accepted.
 * 
 * @param o
 *            the AccessibleObject to set as accessible
 */
static void setAccessibleWorkaround(final AccessibleObject o) {
    if (o == null || o.isAccessible()) {
        return;
    }
    final Member m = (Member) o;
    if (Modifier.isPublic(m.getModifiers()) && isPackageAccess(m.getDeclaringClass().getModifiers())) {
        try {
            o.setAccessible(true);
        } catch (final SecurityException e) { // NOPMD
            // ignore in favor of
            // subsequent
            // IllegalAccessException
        }
    }
}

From source file:org.jdto.util.MemberUtils.java

/**
 * Check a Member for basic accessibility.
 *
 * @param m Member to check/*from w w  w.j  a  v  a 2  s.c  o  m*/
 * @return true if
 * <code>m</code> is accessible
 */
static boolean isAccessible(Member m) {
    return m != null && Modifier.isPublic(m.getModifiers()) && !isSynthetic(m);
}

From source file:IntrospectionUtil.java

public static boolean isInheritable(Package pack, Member member) {
    if (pack == null)
        return false;
    if (member == null)
        return false;

    int modifiers = member.getModifiers();
    if (Modifier.isPublic(modifiers))
        return true;
    if (Modifier.isProtected(modifiers))
        return true;
    if (!Modifier.isPrivate(modifiers) && pack.equals(member.getDeclaringClass().getPackage()))
        return true;

    return false;
}

From source file:org.compass.core.util.reflection.ReflectionFactory.java

private static boolean canGenerateAsm(Member member) {
    // we can only generate for members that are not private (so we can set them)
    // and that the class is public and not static (i.e. not intenral class within another class)
    return !Modifier.isPrivate(member.getModifiers());
}

From source file:org.apache.bval.util.reflection.Reflection.java

/**
 * Set the accessibility of {@code o} to {@code accessible}. If running without a {@link SecurityManager}
 * and {@code accessible == false}, this call is ignored (because any code could reflectively make any
 * object accessible at any time)./*  ww  w .j ava 2  s .  com*/
 * @param o
 * @param accessible
 * @return whether a change was made.
 */
public static boolean setAccessible(final AccessibleObject o, boolean accessible) {
    if (o == null || o.isAccessible() == accessible) {
        return false;
    }
    if (!accessible && System.getSecurityManager() == null) {
        return false;
    }
    final Member m = (Member) o;

    // For public members whose declaring classes are public, we need do nothing:
    if (Modifier.isPublic(m.getModifiers()) && Modifier.isPublic(m.getDeclaringClass().getModifiers())) {
        return false;
    }
    o.setAccessible(accessible);
    return true;
}

From source file:ShowClass.java

public static void printMethodOrConstructor(Member member) {
    Class returntype = null, parameters[], exceptions[];
    if (member instanceof Method) {
        Method m = (Method) member;
        returntype = m.getReturnType();/*from  w  ww  .  ja v  a 2 s.c  o  m*/
        parameters = m.getParameterTypes();
        exceptions = m.getExceptionTypes();
        System.out.print(
                "  " + modifiers(member.getModifiers()) + typeName(returntype) + " " + member.getName() + "(");
    } else {
        Constructor c = (Constructor) member;
        parameters = c.getParameterTypes();
        exceptions = c.getExceptionTypes();
        System.out.print("  " + modifiers(member.getModifiers()) + typeName(c.getDeclaringClass()) + "(");
    }

    for (int i = 0; i < parameters.length; i++) {
        if (i > 0)
            System.out.print(", ");
        System.out.print(typeName(parameters[i]));
    }
    System.out.print(")");
    if (exceptions.length > 0)
        System.out.print(" throws ");
    for (int i = 0; i < exceptions.length; i++) {
        if (i > 0)
            System.out.print(", ");
        System.out.print(typeName(exceptions[i]));
    }
    System.out.println(";");
}

From source file:Main.java

public static void print_method_or_constructor(Member member) {
    Class returntype = null, parameters[], exceptions[];
    if (member instanceof Method) {
        Method m = (Method) member;
        returntype = m.getReturnType();/*from   w w  w . j a v a  2s .c om*/
        parameters = m.getParameterTypes();
        exceptions = m.getExceptionTypes();
        System.out.print(
                "  " + modifiers(member.getModifiers()) + typename(returntype) + " " + member.getName() + "(");
    } else {
        Constructor c = (Constructor) member;
        parameters = c.getParameterTypes();
        exceptions = c.getExceptionTypes();
        System.out.print("  " + modifiers(member.getModifiers()) + typename(c.getDeclaringClass()) + "(");
    }
    for (int i = 0; i < parameters.length; i++) {
        if (i > 0)
            System.out.print(", ");
        System.out.print(typename(parameters[i]));
    }
    System.out.print(")");
    if (exceptions.length > 0)
        System.out.print(" throws ");
    for (int i = 0; i < exceptions.length; i++) {
        if (i > 0)
            System.out.print(", ");
        System.out.print(typename(exceptions[i]));
    }
    System.out.println(";");
}

From source file:ShowClass.java

/**
 * Print the modifiers, return type, name, parameter types and exception type
 * of a method or constructor. Note the use of the Member interface to allow
 * this method to work with both Method and Constructor objects
 *//*ww  w . j  a  va  2s .c  om*/
public static void print_method_or_constructor(Member member) {
    Class returntype = null, parameters[], exceptions[];
    if (member instanceof Method) {
        Method m = (Method) member;
        returntype = m.getReturnType();
        parameters = m.getParameterTypes();
        exceptions = m.getExceptionTypes();
        System.out.print(
                "  " + modifiers(member.getModifiers()) + typename(returntype) + " " + member.getName() + "(");
    } else {
        Constructor c = (Constructor) member;
        parameters = c.getParameterTypes();
        exceptions = c.getExceptionTypes();
        System.out.print("  " + modifiers(member.getModifiers()) + typename(c.getDeclaringClass()) + "(");
    }

    for (int i = 0; i < parameters.length; i++) {
        if (i > 0)
            System.out.print(", ");
        System.out.print(typename(parameters[i]));
    }
    System.out.print(")");
    if (exceptions.length > 0)
        System.out.print(" throws ");
    for (int i = 0; i < exceptions.length; i++) {
        if (i > 0)
            System.out.print(", ");
        System.out.print(typename(exceptions[i]));
    }
    System.out.println(";");
}