/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.satsa.jcrmic.classfile;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.Modifier;
import com.sun.satsa.jcrmic.classfile.constants.JConstantPool;
import com.sun.satsa.jcrmic.classfile.attributes.*;
/**
* This class represents a method.
*/
public class JMethod {
/**
* Method name.
*/
private String method_name;
/**
* Method descriptor.
*/
private String descriptor;
/**
* Method access flags.
*/
private int access_flags;
/**
* Constant pool reference.
*/
private JConstantPool constant_pool;
/**
* The names of exceptions declared in the throw clause
*/
private String[] exceptionsThrown;
/**
* Constructor.
* @param constant_pool constant pool reference
*/
public JMethod(JConstantPool constant_pool) {
this.constant_pool = constant_pool;
}
/**
* Returns the list of names of exceptions declared in the throw clause.
* @return the list of names of exceptions declared in the throw clause
*/
public String[] getExceptionsThrown() {
return exceptionsThrown;
}
/**
* Returns method name.
* @return method name
*/
public String getMethodName() {
return method_name;
}
/**
* Returns method descriptor.
* @return method descriptor
*/
public String getMethodDescriptor() {
return descriptor;
}
/**
* Parse and resolve Java method.
* @param dis input sream
* @throws IOException if I/O error occurs
*/
public void parse(DataInputStream dis) throws IOException {
access_flags = dis.readUnsignedShort();
int name_index = dis.readUnsignedShort();
int descriptor_index = dis.readUnsignedShort();
int attribute_count = dis.readUnsignedShort();
for (int i = 0; i < attribute_count; i++) {
int index = dis.readUnsignedShort();
JAttribute attribute = JAttribute.create(constant_pool, index);
attribute.parse(dis);
if (attribute instanceof JExceptionsAttr) {
attribute.resolve();
exceptionsThrown = ((JExceptionsAttr)
attribute).getExceptions();
}
}
method_name = constant_pool.getConstantUtf8(name_index).getString();
descriptor = constant_pool.getConstantUtf8(
descriptor_index).getString();
}
}
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