1.1 --- a/javap/src/main/java/org/apidesign/javap/AnnotationParser.java Mon Feb 25 19:00:08 2013 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,145 +0,0 @@
1.4 -/*
1.5 - * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
1.6 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 - *
1.8 - * This code is free software; you can redistribute it and/or modify it
1.9 - * under the terms of the GNU General Public License version 2 only, as
1.10 - * published by the Free Software Foundation. Oracle designates this
1.11 - * particular file as subject to the "Classpath" exception as provided
1.12 - * by Oracle in the LICENSE file that accompanied this code.
1.13 - *
1.14 - * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 - * version 2 for more details (a copy is included in the LICENSE file that
1.18 - * accompanied this code).
1.19 - *
1.20 - * You should have received a copy of the GNU General Public License version
1.21 - * 2 along with this work; if not, write to the Free Software Foundation,
1.22 - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 - *
1.24 - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 - * or visit www.oracle.com if you need additional information or have any
1.26 - * questions.
1.27 - */
1.28 -package org.apidesign.javap;
1.29 -
1.30 -import java.io.ByteArrayInputStream;
1.31 -import java.io.DataInputStream;
1.32 -import java.io.IOException;
1.33 -
1.34 -/** An abstract parser for annotation definitions. Analyses the bytes and
1.35 - * performs some callbacks to the overriden parser methods.
1.36 - *
1.37 - * @author Jaroslav Tulach <jtulach@netbeans.org>
1.38 - */
1.39 -public class AnnotationParser {
1.40 - private final boolean textual;
1.41 - private final boolean iterateArray;
1.42 -
1.43 - protected AnnotationParser(boolean textual, boolean iterateArray) {
1.44 - this.textual = textual;
1.45 - this.iterateArray = iterateArray;
1.46 - }
1.47 -
1.48 - protected void visitAnnotationStart(String type, boolean top) throws IOException {
1.49 - }
1.50 -
1.51 - protected void visitAnnotationEnd(String type, boolean top) throws IOException {
1.52 - }
1.53 -
1.54 - protected void visitValueStart(String attrName, char type) throws IOException {
1.55 - }
1.56 -
1.57 - protected void visitValueEnd(String attrName, char type) throws IOException {
1.58 - }
1.59 -
1.60 -
1.61 - protected void visitAttr(
1.62 - String annoType, String attr, String attrType, String value
1.63 - ) throws IOException {
1.64 - }
1.65 -
1.66 - protected void visitEnumAttr(
1.67 - String annoType, String attr, String attrType, String value
1.68 - ) throws IOException {
1.69 - visitAttr(annoType, attr, attrType, value);
1.70 - }
1.71 -
1.72 - /** Initialize the parsing with constant pool from <code>cd</code>.
1.73 - *
1.74 - * @param attr the attribute defining annotations
1.75 - * @param cd constant pool
1.76 - * @throws IOException in case I/O fails
1.77 - */
1.78 - public final void parse(byte[] attr, ClassData cd) throws IOException {
1.79 - ByteArrayInputStream is = new ByteArrayInputStream(attr);
1.80 - DataInputStream dis = new DataInputStream(is);
1.81 - try {
1.82 - read(dis, cd);
1.83 - } finally {
1.84 - is.close();
1.85 - }
1.86 - }
1.87 -
1.88 - private void read(DataInputStream dis, ClassData cd) throws IOException {
1.89 - int cnt = dis.readUnsignedShort();
1.90 - for (int i = 0; i < cnt; i++) {
1.91 - readAnno(dis, cd, true);
1.92 - }
1.93 - }
1.94 -
1.95 - private void readAnno(DataInputStream dis, ClassData cd, boolean top) throws IOException {
1.96 - int type = dis.readUnsignedShort();
1.97 - String typeName = cd.StringValue(type);
1.98 - visitAnnotationStart(typeName, top);
1.99 - int cnt = dis.readUnsignedShort();
1.100 - for (int i = 0; i < cnt; i++) {
1.101 - String attrName = cd.StringValue(dis.readUnsignedShort());
1.102 - readValue(dis, cd, typeName, attrName);
1.103 - }
1.104 - visitAnnotationEnd(typeName, top);
1.105 - if (cnt == 0) {
1.106 - visitAttr(typeName, null, null, null);
1.107 - }
1.108 - }
1.109 -
1.110 - private void readValue(
1.111 - DataInputStream dis, ClassData cd, String typeName, String attrName
1.112 - ) throws IOException {
1.113 - char type = (char)dis.readByte();
1.114 - visitValueStart(attrName, type);
1.115 - if (type == '@') {
1.116 - readAnno(dis, cd, false);
1.117 - } else if ("CFJZsSIDB".indexOf(type) >= 0) { // NOI18N
1.118 - int primitive = dis.readUnsignedShort();
1.119 - String val = cd.stringValue(primitive, textual);
1.120 - String attrType;
1.121 - if (type == 's') {
1.122 - attrType = "Ljava_lang_String_2";
1.123 - if (textual) {
1.124 - val = '"' + val + '"';
1.125 - }
1.126 - } else {
1.127 - attrType = "" + type;
1.128 - }
1.129 - visitAttr(typeName, attrName, attrType, val);
1.130 - } else if (type == 'c') {
1.131 - int cls = dis.readUnsignedShort();
1.132 - } else if (type == '[') {
1.133 - int cnt = dis.readUnsignedShort();
1.134 - for (int i = 0; i < cnt; i++) {
1.135 - readValue(dis, cd, typeName, iterateArray ? attrName : null);
1.136 - }
1.137 - } else if (type == 'e') {
1.138 - int enumT = dis.readUnsignedShort();
1.139 - String attrType = cd.stringValue(enumT, textual);
1.140 - int enumN = dis.readUnsignedShort();
1.141 - String val = cd.stringValue(enumN, textual);
1.142 - visitEnumAttr(typeName, attrName, attrType, val);
1.143 - } else {
1.144 - throw new IOException("Unknown type " + type);
1.145 - }
1.146 - visitValueEnd(attrName, type);
1.147 - }
1.148 -}