| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.felix.ipojo.manipulator.metadata.annotation.visitor.generic; |
| |
| import org.apache.felix.ipojo.manipulator.metadata.annotation.visitor.util.Elements; |
| import org.apache.felix.ipojo.metadata.Attribute; |
| import org.apache.felix.ipojo.metadata.Element; |
| import org.objectweb.asm.AnnotationVisitor; |
| import org.objectweb.asm.Opcodes; |
| import org.objectweb.asm.Type; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class SubArrayVisitor extends AnnotationVisitor { |
| |
| /** |
| * Parent element. |
| */ |
| private Element m_elem; |
| |
| /** |
| * Attribute name. |
| */ |
| private String m_name; |
| |
| /** |
| * Attribute value. |
| * (accumulator) |
| */ |
| private String m_acc; |
| |
| /** |
| * Constructor. |
| * |
| * @param elem : element element. |
| * @param name : attribute name. |
| */ |
| public SubArrayVisitor(Element elem, String name) { |
| super(Opcodes.ASM5); |
| m_elem = elem; |
| m_name = name; |
| } |
| |
| /** |
| * Visit a 'simple' element of the visited array. |
| * |
| * @param name : null |
| * @param value : element value. |
| * @see org.objectweb.asm.AnnotationVisitor#visit(String, Object) |
| */ |
| public void visit(String name, Object value) { |
| if (m_acc == null) { |
| if (!(value instanceof Type)) { |
| m_acc = "{" + value.toString(); |
| } else { |
| // Attributes of type class need a special handling |
| m_acc = "{" + ((Type) value).getClassName(); |
| } |
| } else { |
| if (!(value instanceof Type)) { |
| m_acc = m_acc + "," + value.toString(); |
| } else { |
| // Attributes of type class need a special handling |
| m_acc = m_acc + "," + ((Type) value).getClassName(); |
| } |
| } |
| } |
| |
| /** |
| * Visits an enumeration attribute. |
| * |
| * @param name the attribute name |
| * @param desc the enumeration descriptor |
| * @param value the attribute value |
| */ |
| public void visitEnum(String name, String desc, String value) { |
| if (m_acc == null) { |
| m_acc = "{" + value; |
| } else { |
| m_acc = m_acc + "," + value; |
| } |
| } |
| |
| |
| /** |
| * Visit an annotation element of the visited array. |
| * |
| * @param name : null |
| * @param desc : annotation to visit |
| * @return the visitor which will visit the annotation |
| * @see org.objectweb.asm.AnnotationVisitor#visitAnnotation(String, String) |
| */ |
| public AnnotationVisitor visitAnnotation(String name, String desc) { |
| // Sub annotations are map to sub-elements |
| Element elem = Elements.buildElement(Type.getType(desc)); |
| m_elem.addElement(elem); |
| return new GenericVisitor(elem); |
| } |
| |
| /** |
| * End of the visit. |
| * |
| * @see org.objectweb.asm.AnnotationVisitor#visitEnd() |
| */ |
| public void visitEnd() { |
| if (m_acc != null) { |
| // We have analyzed an attribute |
| m_elem.addAttribute(new Attribute(m_name, m_acc + "}")); |
| } |
| } |
| |
| } |