| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.dx.cf.iface; |
| |
| /** |
| * Interface for lists of attributes. |
| */ |
| public interface AttributeList { |
| /** |
| * Get whether this instance is mutable. Note that the |
| * {@code AttributeList} interface itself doesn't provide any means |
| * of mutation, but that doesn't mean that there isn't a non-interface |
| * way of mutating an instance. |
| * |
| * @return {@code true} iff this instance is somehow mutable |
| */ |
| public boolean isMutable(); |
| |
| /** |
| * Get the number of attributes in the list. |
| * |
| * @return the size |
| */ |
| public int size(); |
| |
| /** |
| * Get the {@code n}th attribute. |
| * |
| * @param n {@code n >= 0, n < size();} which attribute |
| * @return {@code non-null;} the attribute in question |
| */ |
| public Attribute get(int n); |
| |
| /** |
| * Get the total length of this list in bytes, when part of a |
| * class file. The returned value includes the two bytes for the |
| * {@code attributes_count} length indicator. |
| * |
| * @return {@code >= 2;} the total length, in bytes |
| */ |
| public int byteLength(); |
| |
| /** |
| * Get the first attribute in the list with the given name, if any. |
| * |
| * @param name {@code non-null;} attribute name |
| * @return {@code null-ok;} first attribute in the list with the given name, |
| * or {@code null} if there is none |
| */ |
| public Attribute findFirst(String name); |
| |
| /** |
| * Get the next attribute in the list after the given one, with the same |
| * name, if any. |
| * |
| * @param attrib {@code non-null;} attribute to start looking after |
| * @return {@code null-ok;} next attribute after {@code attrib} with the |
| * same name as {@code attrib} |
| */ |
| public Attribute findNext(Attribute attrib); |
| } |