ConstantPool.java

package com.coderising.jvm.constant;

import java.util.ArrayList;
import java.util.List;

public class ConstantPool {
	
	private List<ConstantInfo> constantInfos = new ArrayList<ConstantInfo>();
	
	
	public ConstantPool(){
		
	}
	public void addConstantInfo(ConstantInfo info){
		System.out.println("added: " + info.getClass().getName() + " current size; " + constantInfos.size());
		this.constantInfos.add(info);
		
	}
	
	public ConstantInfo getConstantInfo(int index){
		return this.constantInfos.get(index);
	}
	public String getUTF8String(int index){
		return ((UTF8Info)this.constantInfos.get(index)).getValue();
	}
	public int getSize() {		
		return this.constantInfos.size() -1;
	}
	
	public String toString(){
		StringBuilder sb = new StringBuilder();
		for(int i = 0; i<constantInfos.size(); i++){
			sb.append(constantInfos.get(i) + "\n");
		}
		return sb.toString();
	}
}