package org.hccp.pdf;

import java.util.HashMap;
import java.util.Set;

public class Dictionary implements DocumentObject {

    private Name typeKey;
    private Name subTypeKey;
    private HashMap entries;

    private static final String TYPE = "/Type";
    private static final String SUB_TYPE = "/Subtype";

    public void addEntry(Name name, DocumentObject docObj) {
        entries.put(name, docObj);
    }

    public Dictionary() {
        typeKey = new Name(TYPE);
        subTypeKey = new Name(SUB_TYPE);
        entries = new HashMap();
        addEntry(typeKey, new Null());
        addEntry(subTypeKey, new Null());
    }

    public Dictionary(Name type) {
        typeKey = new Name(TYPE);
        subTypeKey = new Name(SUB_TYPE);
        entries = new HashMap();
        addEntry(typeKey, type);
        addEntry(subTypeKey, new Null());
    }

    public Dictionary(Name type, Name subType) {
        typeKey = new Name(TYPE);
        subTypeKey = new Name(SUB_TYPE);
        entries = new HashMap();
        addEntry(typeKey, type);
        addEntry(subTypeKey, subType);
    }

    public String getValue() {

    	HashMap hashmap = (HashMap)entries.clone();
        StringBuffer sb = new StringBuffer();
        sb.append("<<\n");
        Object aobj[] = new Object[entries.size()];
        aobj = entries.keySet().toArray();
        for(int i = 0; i < aobj.length; i++)
            sb.append(((DocumentObject)aobj[i]).getValue() + "\t" + ((DocumentObject)entries.get(aobj[i])).getValue() + "\n");

        sb.append(">>\n");
        return sb.toString();
    }

}