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/*
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* reserved comment block
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* DO NOT REMOVE OR ALTER!
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*/
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.sun.org.apache.bcel.internal.classfile;
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import java.io.DataInput;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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/**
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* represents one parameter annotation in the parameter annotation table
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*
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* @version $Id: ParameterAnnotationEntry
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* @since 6.0
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*/
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public class ParameterAnnotationEntry implements Node {
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private final AnnotationEntry[] annotation_table;
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/**
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* Construct object from input stream.
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*
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* @param input Input stream
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* @throws IOException
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*/
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ParameterAnnotationEntry(final DataInput input, final ConstantPool constant_pool) throws IOException {
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final int annotation_table_length = input.readUnsignedShort();
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annotation_table = new AnnotationEntry[annotation_table_length];
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for (int i = 0; i < annotation_table_length; i++) {
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// TODO isRuntimeVisible
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annotation_table[i] = AnnotationEntry.read(input, constant_pool, false);
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}
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}
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/**
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* Called by objects that are traversing the nodes of the tree implicitely
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* defined by the contents of a Java class. I.e., the hierarchy of methods,
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* fields, attributes, etc. spawns a tree of objects.
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*
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* @param v Visitor object
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*/
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@Override
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public void accept( final Visitor v ) {
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v.visitParameterAnnotationEntry(this);
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}
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/**
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* returns the array of annotation entries in this annotation
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*/
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public AnnotationEntry[] getAnnotationEntries() {
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return annotation_table;
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}
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public void dump(final DataOutputStream dos) throws IOException {
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dos.writeShort(annotation_table.length);
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for (final AnnotationEntry entry : annotation_table) {
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entry.dump(dos);
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}
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}
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public static ParameterAnnotationEntry[] createParameterAnnotationEntries(final Attribute[] attrs) {
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// Find attributes that contain parameter annotation data
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final List<ParameterAnnotationEntry> accumulatedAnnotations = new ArrayList<>(attrs.length);
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for (final Attribute attribute : attrs) {
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if (attribute instanceof ParameterAnnotations) {
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final ParameterAnnotations runtimeAnnotations = (ParameterAnnotations)attribute;
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Collections.addAll(accumulatedAnnotations, runtimeAnnotations.getParameterAnnotationEntries());
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}
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}
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return accumulatedAnnotations.toArray(new ParameterAnnotationEntry[accumulatedAnnotations.size()]);
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}
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}
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