Application: gvSIG desktop » Library: org.gvsig.tools

package org.gvsig.tools.dynobject.impl;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dataTypes.CoercionException;

import org.gvsig.tools.dataTypes.DataTypes;

import org.gvsig.tools.dataTypes.DataTypesManager;

import org.gvsig.tools.dynobject.Tags;

public class DefaultTags implements Tags{

        private Map tags = null;

        public Object get(String name) {

                if(this.tags  == null){

                        return null;

                }

                return this.tags.get(name.toLowerCase());

        }

        public Object get(String name, int type) throws CoercionException {

                if(this.tags == null){

                        return null;

                }

                DataTypesManager dataman = ToolsLocator.getDataTypesManager();

                return dataman.coerce(type, this.tags.get(name.toLowerCase()));

        }

        public void set(String name, Object value) {

                if(this.tags == null){

                        this.tags  = new HashMap();

                }

                this.tags.put(name.toLowerCase(), value);

        }

        public boolean has(String name) {

                if(this.tags == null || name == null){

                        return false;

                }                

                return this.tags.containsKey(name.toLowerCase());

        }

        public int getInt(String name) throws CoercionException {

                Object x = this.get(name.toLowerCase(),DataTypes.INT);

                if( x==null ) {

                        return 0;

                }

                return ((Integer)x).intValue();

        }

        public boolean getBoolean(String name) throws CoercionException {

                Object x = this.get(name.toLowerCase(),DataTypes.BOOLEAN);

                if( x==null ) {

                        return false;

                }

                return ((Boolean)x).booleanValue();

        }

        public Iterator getKeys() {

                if(this.tags == null){

                        return null;

                }

                return this.tags.keySet().iterator();

        }

        public Object clone() throws CloneNotSupportedException {

                DefaultTags newTags = (DefaultTags) super.clone();

                newTags.add(this);

                return newTags;

        }        

        public void add(Tags tags) {

                Iterator it = tags.getKeys();

                if(it != null){

                        while(it.hasNext()){

                                String key = (String) it.next();

                                this.set(key, tags.get(key));

                        }

                }

        }

}