J-WatchList/src/main/data/DataSource.java

package data;

import java.util.Set;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Objects;

public abstract class DataSource {
    protected HashMap<String, StockType> targets;
    protected String name;
    protected String url;
    protected String apiKey;

    public DataSource(String name, String url, String apiKey) {
        this.targets = new HashMap<String, StockType>();
        this.name = name;
        this.url = url;
        this.apiKey = apiKey;
    }

    //Effect: add target to this
    // add this to target if not already done
    //Modifies: this, stype
    public void addStype(StockType stype) {
        String sname = stype.getName();
        if (!this.targets.containsKey(sname)) {
            targets.put(sname,stype);
            stype.addSource(this);
        }
    }

    //Effect: del target to this
    // del this to target if not already done
    //Modifies: this, stype
    public void delStype(StockType stype) {
        String sname = stype.getName();
        if (this.targets.containsKey(sname)) {
            targets.remove(sname,stype);
            stype.delSource(this);
        }
    }

    public String getName() {
        return name;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (!(obj instanceof DataSource)) {
            return false;
        }
        DataSource temp = (DataSource) obj;
        if (temp.getName().equals(name)) {
            return true;
        }
        return false;
    }

    @Override
    public int hashCode() {
        return Objects.hash(name);
    }

    public abstract double[] update(String stype, String idstring);
}