--- /dev/null 2017-06-17 22:58:47.330661897 -0700 +++ new/src/java.xml/share/classes/com/sun/org/apache/bcel/internal/classfile/AnnotationEntry.java 2017-08-08 16:06:22.020844329 -0700 @@ -0,0 +1,172 @@ +/* + * reserved comment block + * DO NOT REMOVE OR ALTER! + */ +/* + * 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 com.sun.org.apache.bcel.internal.classfile; + +import java.io.DataInput; +import java.io.DataOutputStream; +import java.io.IOException; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +import com.sun.org.apache.bcel.internal.Const; + +/** + * represents one annotation in the annotation table + * + * @version $Id: AnnotationEntry + * @since 6.0 + */ +public class AnnotationEntry implements Node { + + private final int type_index; + private final ConstantPool constant_pool; + private final boolean isRuntimeVisible; + + private List element_value_pairs; + + /* + * Factory method to create an AnnotionEntry from a DataInput + * + * @param input + * @param constant_pool + * @param isRuntimeVisible + * @return the entry + * @throws IOException + */ + public static AnnotationEntry read(final DataInput input, final ConstantPool constant_pool, final boolean isRuntimeVisible) throws IOException { + + final AnnotationEntry annotationEntry = new AnnotationEntry(input.readUnsignedShort(), constant_pool, isRuntimeVisible); + final int num_element_value_pairs = input.readUnsignedShort(); + annotationEntry.element_value_pairs = new ArrayList<>(); + for (int i = 0; i < num_element_value_pairs; i++) { + annotationEntry.element_value_pairs.add( + new ElementValuePair(input.readUnsignedShort(), ElementValue.readElementValue(input, constant_pool), + constant_pool)); + } + return annotationEntry; + } + + public AnnotationEntry(final int type_index, final ConstantPool constant_pool, final boolean isRuntimeVisible) { + this.type_index = type_index; + this.constant_pool = constant_pool; + this.isRuntimeVisible = isRuntimeVisible; + } + + public int getTypeIndex() { + return type_index; + } + + public ConstantPool getConstantPool() { + return constant_pool; + } + + public boolean isRuntimeVisible() { + return isRuntimeVisible; + } + + /** + * Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class. + * I.e., the hierarchy of methods, fields, attributes, etc. spawns a tree of objects. + * + * @param v Visitor object + */ + @Override + public void accept(final Visitor v) { + v.visitAnnotationEntry(this); + } + + /** + * @return the annotation type name + */ + public String getAnnotationType() { + final ConstantUtf8 c = (ConstantUtf8) constant_pool.getConstant(type_index, Const.CONSTANT_Utf8); + return c.getBytes(); + } + + /** + * @return the annotation type index + */ + public int getAnnotationTypeIndex() { + return type_index; + } + + /** + * @return the number of element value pairs in this annotation entry + */ + public final int getNumElementValuePairs() { + return element_value_pairs.size(); + } + + /** + * @return the element value pairs in this annotation entry + */ + public ElementValuePair[] getElementValuePairs() { + // TODO return List + return element_value_pairs.toArray(new ElementValuePair[element_value_pairs.size()]); + } + + public void dump(final DataOutputStream dos) throws IOException { + dos.writeShort(type_index); // u2 index of type name in cpool + dos.writeShort(element_value_pairs.size()); // u2 element_value pair + // count + for (final ElementValuePair envp : element_value_pairs) { + envp.dump(dos); + } + } + + public void addElementNameValuePair(final ElementValuePair elementNameValuePair) { + element_value_pairs.add(elementNameValuePair); + } + + public String toShortString() { + final StringBuilder result = new StringBuilder(); + result.append("@"); + result.append(getAnnotationType()); + final ElementValuePair[] evPairs = getElementValuePairs(); + if (evPairs.length > 0) { + result.append("("); + for (final ElementValuePair element : evPairs) { + result.append(element.toShortString()); + } + result.append(")"); + } + return result.toString(); + } + + @Override + public String toString() { + return toShortString(); + } + + public static AnnotationEntry[] createAnnotationEntries(final Attribute[] attrs) { + // Find attributes that contain annotation data + final List accumulatedAnnotations = new ArrayList<>(attrs.length); + for (final Attribute attribute : attrs) { + if (attribute instanceof Annotations) { + final Annotations runtimeAnnotations = (Annotations) attribute; + Collections.addAll(accumulatedAnnotations, runtimeAnnotations.getAnnotationEntries()); + } + } + return accumulatedAnnotations.toArray(new AnnotationEntry[accumulatedAnnotations.size()]); + } +}