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:com.link_intersystems.lang.reflect.criteria.MemberCriteriaTest.java

@Test
public void protecedConstructors() {
    memberCriteria.membersOfType(Constructor.class);
    memberCriteria.withAccess(AccessType.PROTECTED);
    ClassCriteria classCriteria = new ClassCriteria();
    Iterable<Class<?>> classIterable = classCriteria.getIterable(ArrayList.class);
    Iterable<Member> memberIterable = memberCriteria.getIterable(classIterable);
    assertTrue(memberIterable.iterator().hasNext());
    for (Member member : memberIterable) {
        assertTrue("member must be a constructor", member instanceof Constructor<?>);
        int modifiers = member.getModifiers();
        assertFalse(Modifier.isPublic(modifiers));
        assertTrue(Modifier.isProtected(modifiers));
        assertFalse(Modifier.isPrivate(modifiers));
    }//  ww w  .ja v a  2s . c o  m
}

---

From source file:com.link_intersystems.lang.reflect.criteria.MemberCriteriaTest.java

@SuppressWarnings("unchecked")
@Test/* w  w  w.  ja  v  a 2 s  . c  om*/
public void publicAbstractMethodStartingWithAdd() {
    memberCriteria.membersOfType(Method.class);
    memberCriteria.withModifiers(Modifier.ABSTRACT);
    memberCriteria.named(Pattern.compile("add.*"));
    memberCriteria.setMemberIterateOrder(ReflectFacade.getMemberNameComparator());
    Collection<Class<?>> iteratedTypes = new ArrayList<Class<?>>(Arrays.asList(List.class, Collection.class));
    ClassCriteria classCriteria = new ClassCriteria();
    Iterable<Class<?>> classIterable = classCriteria.getIterable(ArrayList.class);
    Iterable<Member> memberIterable = memberCriteria.getIterable(classIterable);
    assertTrue(memberIterable.iterator().hasNext());
    for (Member member : memberIterable) {
        assertTrue("member must be a method", member instanceof Method);
        iteratedTypes.remove(member.getDeclaringClass());
        String name = member.getName();
        assertTrue(name.startsWith("add"));
        int modifiers = member.getModifiers();
        assertTrue(Modifier.isAbstract(modifiers));
    }
    assertTrue("Some types have not been iterated. " + iteratedTypes, iteratedTypes.isEmpty());
}

---

From source file:org.apache.openjpa.persistence.PersistenceMetaDataDefaults.java

protected boolean isDefaultPersistent(ClassMetaData meta, Member member, String name, boolean ignoreTransient) {
    int mods = member.getModifiers();
    if (Modifier.isTransient(mods))
        return false;
    int access = meta.getAccessType();

    if (member instanceof Field) {
        // If mixed or unknown, default property access, keep explicit 
        // field members
        if (AccessCode.isProperty(access)) {
            if (!isAnnotatedAccess(member, AccessType.FIELD))
                return false;
        }// w  ww  .  j  av a2s.  c  om
    } else if (member instanceof Method) {
        // If mixed or unknown, field default access, keep explicit property
        // members
        if (AccessCode.isField(access)) {
            if (!isAnnotatedAccess(member, AccessType.PROPERTY))
                return false;
        }
        try {
            // check for setters for methods
            Method setter = (Method) AccessController.doPrivileged(J2DoPrivHelper.getDeclaredMethodAction(
                    meta.getDescribedType(), "set" + StringUtils.capitalize(name),
                    new Class[] { ((Method) member).getReturnType() }));
            if (setter == null && !isAnnotatedTransient(member)) {
                logNoSetter(meta, name, null);
                return false;
            }
        } catch (Exception e) {
            // e.g., NoSuchMethodException
            if (!isAnnotatedTransient(member))
                logNoSetter(meta, name, e);
            return false;
        }
    }

    PersistenceStrategy strat = getPersistenceStrategy(null, member, ignoreTransient);
    if (strat == null) {
        warn(meta, _loc.get("no-pers-strat", name));
        return false;
    } else if (strat == PersistenceStrategy.TRANSIENT) {
        return false;
    } else {
        return true;
    }
}

---

From source file:jp.co.acroquest.jsonic.JSON.java

/**
 * Ignore this property. A default behavior is to ignore transient or declaring method in java.lang.Object.
 * You can override this method if you have to change default behavior.
 * /*  w  ww.  j  a  v  a  2  s.c o  m*/
 * @param context current context
 * @param target target class
 * @param member target member
 * @return true if this member must be ignored.
 */
protected boolean ignore(Context context, Class<?> target, Member member) {
    if (Modifier.isTransient(member.getModifiers()))
        return true;
    if (member.getDeclaringClass().equals(Object.class))
        return true;
    return false;
}

---

From source file:org.apache.openjpa.meta.FieldMetaData.java

/**
 * Supply the backing member object; this allows us to utilize
 * parameterized type information if available.
 * Sets the access style of this receiver based on whether the given 
 * member represents a field or getter method.
 *///from  ww  w.  j  a  v a  2  s .  com
public void backingMember(Member member) {
    if (member == null)
        return;
    if (Modifier.isTransient(member.getModifiers()))
        _transient = true;

    _backingMember = new MemberProvider(member);

    Class<?> type;
    Class<?>[] types;
    if (member instanceof Field) {
        Field f = (Field) member;
        type = f.getType();
        types = JavaVersions.getParameterizedTypes(f);
        setAccessType(AccessCode.FIELD);
    } else {
        Method meth = (Method) member;
        type = meth.getReturnType();
        types = JavaVersions.getParameterizedTypes(meth);
        setAccessType(AccessCode.PROPERTY);
    }

    setDeclaredType(type);
    if (Collection.class.isAssignableFrom(type) && _elem.getDeclaredType() == Object.class
            && types.length == 1) {
        _elem.setDeclaredType(types[0]);
    } else if (Map.class.isAssignableFrom(type) && types.length == 2) {
        if (_key.getDeclaredType() == Object.class)
            _key.setDeclaredType(types[0]);
        if (_elem.getDeclaredType() == Object.class)
            _elem.setDeclaredType(types[1]);
    }
}

---

From source file:com.parse.ParseObject.java

private static boolean isAccessible(Member m) {
    return Modifier.isPublic(m.getModifiers())
            || (m.getDeclaringClass().getPackage().getName().equals("com.parse")
                    && !Modifier.isPrivate(m.getModifiers()) && !Modifier.isProtected(m.getModifiers()));
}

---

From source file:org.regenstrief.util.Util.java

/**
 * Writes information about a .jar/*from   w ww  . j a  v  a2 s .com*/
 * 
 * @param path the path of the .jar
 * @param w the Writer
 * @throws Exception if an I/O problem occurs
 **/
public final static void jarInfo(final String path, final Writer w) throws Exception {
    final JarFile jar = new JarFile(new File(path));
    final Enumeration<JarEntry> en = jar.entries();
    final PrintWriter pw = getPrintWriter(w);

    while (en.hasMoreElements()) {
        final String name = en.nextElement().getName();
        if (!name.endsWith(".class")) {
            continue;
        }
        try {
            Class<?> c = Class.forName(name.substring(0, name.length() - 6).replace('/', '.'));
            final Member[][] allMembers = new Member[][] { c.getFields(), c.getConstructors(), c.getMethods() };
            pw.print(c);
            for (c = c.getSuperclass(); c != null; c = c.getSuperclass()) {
                pw.print(" extends ");
                pw.print(c.getName());
            }
            pw.println();
            pw.println('{');
            for (int j = 0; j < allMembers.length; j++) {
                final Member[] members = allMembers[j];
                for (final Member member : members) {
                    if (!Modifier.isPublic(member.getModifiers())) {
                        continue;
                    }
                    pw.print('\t');
                    pw.print(member);
                    pw.println(';');
                }
                if ((members.length > 0) && (j < allMembers.length - 1)) {
                    pw.println();
                }
            }
            pw.println('}');
        } catch (final Throwable e) {
            pw.println(e);
        }
        pw.println();
    }

    pw.flush();
    jar.close();
}

---

From source file:com.clark.func.Functions.java

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

---

From source file:com.clark.func.Functions.java

/**
 * XXX Default access superclass workaround
 * /*from   w  w w .  ja va  2  s .  c  om*/
 * 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) to prevent access even when the modifer 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(AccessibleObject o) {
    if (o == null || o.isAccessible()) {
        return;
    }
    Member m = (Member) o;
    if (Modifier.isPublic(m.getModifiers()) && isPackageAccess(m.getDeclaringClass().getModifiers())) {
        try {
            o.setAccessible(true);
        } catch (SecurityException e) {
            // ignore in favor of subsequent IllegalAccessException
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• »