/*
* 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.bcel.classfile;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* base class for parameter annotations
*
* @version $Id: ParameterAnnotations
* @author <A HREF="mailto:dbrosius@qis.net">D. Brosius</A>
* @since 6.0
*/
public abstract class ParameterAnnotations extends Attribute {
private static final long serialVersionUID = 5234607357644462705L;
private int num_parameters;
private ParameterAnnotationEntry[] parameter_annotation_table; // Table of parameter annotations
/**
* @param parameter_annotation_type the subclass type of the parameter annotation
* @param name_index Index pointing to the name <em>Code</em>
* @param length Content length in bytes
* @param file Input stream
* @param constant_pool Array of constants
*/
ParameterAnnotations(byte parameter_annotation_type, int name_index, int length,
DataInputStream file, ConstantPool constant_pool) throws IOException {
this(parameter_annotation_type, name_index, length, (ParameterAnnotationEntry[]) null,
constant_pool);
num_parameters = (file.readUnsignedByte());
parameter_annotation_table = new ParameterAnnotationEntry[num_parameters];
for (int i = 0; i < num_parameters; i++) {
parameter_annotation_table[i] = new ParameterAnnotationEntry(file, constant_pool);
}
}
/**
* @param parameter_annotation_type the subclass type of the parameter annotation
* @param name_index Index pointing to the name <em>Code</em>
* @param length Content length in bytes
* @param parameter_annotation_table the actual parameter annotations
* @param constant_pool Array of constants
*/
public ParameterAnnotations(byte parameter_annotation_type, int name_index, int length,
ParameterAnnotationEntry[] parameter_annotation_table, ConstantPool constant_pool) {
super(parameter_annotation_type, name_index, length, constant_pool);
setParameterAnnotationTable(parameter_annotation_table);
}
/**
* 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( Visitor v ) {
v.visitParameterAnnotation(this);
}
/**
* @param parameter_annotation_table the entries to set in this parameter annotation
*/
public final void setParameterAnnotationTable(
ParameterAnnotationEntry[] parameter_annotation_table ) {
this.parameter_annotation_table = parameter_annotation_table;
num_parameters = (parameter_annotation_table == null)
? 0
: parameter_annotation_table.length;
}
/**
* @return the parameter annotation entry table
*/
public final ParameterAnnotationEntry[] getParameterAnnotationTable() {
return parameter_annotation_table;
}
/**
* returns the array of parameter annotation entries in this parameter annotation
*/
public ParameterAnnotationEntry[] getParameterAnnotationEntries() {
return parameter_annotation_table;
}
/**
* @return the number of parameter annotation entries in this parameter annotation
*/
public final int getNumParameterAnnotation() {
return num_parameters;
}
@Override
public void dump(DataOutputStream dos) throws IOException
{
super.dump(dos);
dos.writeByte(parameter_annotation_table.length);
for (ParameterAnnotationEntry element : parameter_annotation_table) {
element.dump(dos);
}
}
}