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- /*
- * Javassist, a Java-bytecode translator toolkit.
- * Copyright (C) 1999-2004 Shigeru Chiba. All Rights Reserved.
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. Alternatively, the contents of this file may be used under
- * the terms of the GNU Lesser General Public License Version 2.1 or later.
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- */
-
- package javassist;
-
- /**
- * An instance of <code>CtMember</code> represents a field, a constructor,
- * or a method.
- */
- public abstract class CtMember {
- protected CtMember next; // for internal use
- protected CtClass declaringClass;
-
- protected CtMember(CtClass clazz) { declaringClass = clazz; }
-
- static CtMember append(CtMember list, CtMember tail) {
- tail.next = null;
- if (list == null)
- return tail;
- else {
- CtMember lst = list;
- while (lst.next != null)
- lst = lst.next;
-
- lst.next = tail;
- return list;
- }
- }
-
- static int count(CtMember f) {
- int n = 0;
- while (f != null) {
- ++n;
- f = f.next;
- }
-
- return n;
- }
-
- static CtMember remove(CtMember list, CtMember m) {
- CtMember top = list;
- if (list == null)
- return null;
- else if (list == m)
- return list.next;
- else
- while (list.next != null) {
- if (list.next == m) {
- list.next = list.next.next;
- break;
- }
-
- list = list.next;
- }
-
- return top;
- }
-
- public String toString() {
- StringBuffer buffer = new StringBuffer(getClass().getName());
- buffer.append("@");
- buffer.append(Integer.toHexString(hashCode()));
- buffer.append("[");
- buffer.append(Modifier.toString(getModifiers()));
- extendToString(buffer);
- buffer.append("]");
- return buffer.toString();
- }
-
- /**
- * Invoked by {@link #toString()} to add to the buffer and provide the
- * complete value. Subclasses should invoke this method, adding a
- * space before each token. The modifiers for the member are
- * provided first; subclasses should provide additional data such
- * as return type, field or method name, etc.
- */
- protected abstract void extendToString(StringBuffer buffer);
-
- /**
- * Returns the class that declares this member.
- */
- public CtClass getDeclaringClass() { return declaringClass; }
-
- /**
- * Obtains the modifiers of the member.
- *
- * @return modifiers encoded with
- * <code>javassist.Modifier</code>.
- * @see Modifier
- */
- public abstract int getModifiers();
-
- /**
- * Sets the encoded modifiers of the member.
- *
- * @see Modifier
- */
- public abstract void setModifiers(int mod);
-
- /**
- * Obtains the name of the member.
- *
- * <p>As for constructor names, see <code>getName()</code>
- * in <code>CtConstructor</code>.
- *
- * @see CtConstructor#getName()
- */
- public abstract String getName();
-
- /**
- * Obtains an attribute with the given name.
- * If that attribute is not found in the class file, this
- * method returns null.
- *
- * @param name attribute name
- */
- public abstract byte[] getAttribute(String name);
-
- /**
- * Adds an attribute. The attribute is saved in the class file.
- *
- * @param name attribute name
- * @param data attribute value
- */
- public abstract void setAttribute(String name, byte[] data);
- }
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