Application: gvSIG desktop

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package org.gvsig.expressionevaluator.impl.javascripting;

import java.util.Collection;

import java.util.HashSet;

import java.util.Map;

import java.util.Set;

import javax.script.Bindings;

import org.gvsig.expressionevaluator.MutableSymbolTable;

/**

 *

 * @author jjdelcerro

 */

public class SymbolTableToBindingsAdapter implements Bindings

{

    private MutableSymbolTable symbolTable;

    public SymbolTableToBindingsAdapter(MutableSymbolTable symbolTable) {

        this.symbolTable = symbolTable;

    }

    public MutableSymbolTable getSymbolTable() {

        return symbolTable;

    }

    @Override

    public Object put(String name, Object value) {

        Object previous = this.symbolTable.value(name);

        this.symbolTable.setVar(name, value);

        return previous;

    }

    @Override

    public void putAll(Map<? extends String, ? extends Object> toMerge) {

        for (Entry<? extends String, ? extends Object> entry : toMerge.entrySet()) {

            String key = entry.getKey();

            Object value = entry.getValue();

            this.symbolTable.setVar(key, value);

        }

    }

    @Override

    public boolean containsKey(Object key) {

        return this.symbolTable.exists(key.toString());

    }

    @Override

    public Object get(Object key) {

        return this.symbolTable.value(key.toString());

    }

    @Override

    public Object remove(Object key) {

        Object previous = this.symbolTable.value(key.toString());

        this.symbolTable.removeVar(key.toString());

       return previous;

    }

    @Override

    public int size() {

        return this.symbolTable.variables().size();

    }

    @Override

    public boolean isEmpty() {

        return this.symbolTable.variables().isEmpty();

    }

    @Override

    public boolean containsValue(Object value) {

        return false; // FIXME

    }

    @Override

    public void clear() {

        // FIXME

    }

    @Override

    public Set<String> keySet() {

        Collection<String> vars = this.symbolTable.variables();

        return new HashSet<>(vars);

    }

    @Override

    public Collection<Object> values() {

        return null; // FIXME

    }

    @Override

    public Set<Entry<String, Object>> entrySet() {

        return null; // FIXME

    }

}