Scala example source code file (JMember.java)

This example Scala source code file (JMember.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

fjbgcontext, iterator, jattribute, jattribute, jclass, jconstantpool, jmember, jmember, jtype, linkedlist, list/*, list/*, string, string, util

The Scala JMember.java source code

/* FJBG -- Fast Java Bytecode Generator
 * Copyright 2002-2011 LAMP/EPFL
 * @author  Michel Schinz
 */

package ch.epfl.lamp.fjbg;

import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

/**
 * Abstract superclass for a Java class, field or method.
 *
 * @author Nikolay Mihaylov
 * @version 1.0
 */

abstract public class JMember {

    protected boolean frozen = false;

    protected final FJBGContext context;

    protected String name;

    protected int accessFlags;

    protected final List/*<JAttribute>*/ attributes = new LinkedList();

    protected JMember(FJBGContext context) { this.context = context; }

    protected JMember(FJBGContext context, int accessFlags, String name) {
        this(context);
        this.name = name;
        this.accessFlags = accessFlags;
    }

    /**
     * Gets the access flags of the class.
     * @return The int representing the access flags of the class.
     */
    public int getAccessFlags() { return accessFlags; }

    /**
     * Gets the name of the member.
     * @return The string representing the name of the member.
     */
    public String getName() { return name; }

    /**
     * Gets the type of the objects that are instances of the class.
     * @return The type of the instances of the class.
     */
    public abstract JType getType();

    /**
     * Gets the class corresponding to/owning this member
     * @return The class owning this member or the class itself.
     */
    public abstract JClass getJClass();

    /**
     * Gets the constant pool of the class.
     * @return The constant pool of the class.
     */
    public JConstantPool getConstantPool() { return getJClass().getConstantPool(); }

    public FJBGContext getContext() { return context; }

    /**
     * Adds an attribute to the class.
     * @param attr The attribute to be added.
     */
    public void addAttribute(JAttribute attr) {
        assert !frozen;
        attributes.add(attr);
    }

    /**
     * Gets the list of all attributes of the class.
     * @return The list of the attributes of the class representation.
     */
    public List/*<JAttribute>*/ getAttributes() {
        return attributes;
    }

    /**
     * Get the attribute with the given name, or null if it doesn't
     * exist.
     */
    public JAttribute getAttribute(String name) {
        Iterator attrIt = getAttributes().iterator();
        while (attrIt.hasNext()) {
            JAttribute attr = (JAttribute)attrIt.next();
            if (attr.getName().equals(name))
                return attr;
        }
        return null;
    }

    protected static String toExternalName(String name) {
        return name.replace('/', '.');
    }

    protected static String toExternalName(JType tpe) {
        return tpe.toString().replace(':', '.');
    }
}