Application: gvSIG desktop

package org.gvsig.app.imp;

import java.awt.Color;

import org.gvsig.andami.PluginServices;

import org.gvsig.app.PreferencesNode;

import org.gvsig.utils.StringUtilities;

import org.gvsig.utils.XMLEntity;

public class DefaultPreferencesNode implements PreferencesNode {

        private String name;

        private XMLEntity node;

        public DefaultPreferencesNode() {

                this.name = null;

        }

        public DefaultPreferencesNode(String nodeName) {

                this.name = nodeName;

        }

        protected XMLEntity getRootNode() {

                XMLEntity node = PluginServices.getPluginServices("org.gvsig.app")        .getPersistentXML();

                return node;

        }

        protected XMLEntity getNode() {

                if( this.node == null ) {

                        if( this.name == null ) {

                                this.node = this.getRootNode();

                        } else {

                        this.node = this.getRootNode().firstChild(this.name);

                        }

                }

        return this.node;

        }

        public String name() {

                return this.name;

        }

        public String[] keys() throws Exception {

                XMLEntity node = this.getNode();

                int count = node.getChildrenCount();

                String[] keys = new String[count];

                for(int  i=0 ; i<count ; i++ ) {

                        keys[i] = node.getChild(i).getName();

                }

                return keys;

        }

        public void clear() throws Exception {

                XMLEntity node = this.getNode();

                node.removeAllChildren();

        }

        public void flush() throws Exception {

                // do nothing

        }

        public String get(String name, String defaultValue) {

                XMLEntity node = this.getNode();

                if (!node.contains(name)) {

                        return defaultValue;

                }

                String value = node.getStringProperty(name);

                return value;

        }

        public boolean getBoolean(String name, boolean defaultValue) {

                XMLEntity node = this.getNode();

                if (!node.contains(name)) {

                        return defaultValue;

                }

                boolean value = node.getBooleanProperty(name);

                return value;

        }

        public byte[] getByteArray(String name, byte[] defaultValue) {

                XMLEntity node = this.getNode();

                if (!node.contains(name)) {

                        return defaultValue;

                }

                byte[] value = node.getByteArrayProperty(name);

                return value;

        }

        public double getDouble(String name, double defaultValue) {

                XMLEntity node = this.getNode();

                if (!node.contains(name)) {

                        return defaultValue;

                }

                double value = node.getDoubleProperty(name);

                return value;

        }

        public float getFloat(String name, float defaultValue) {

                XMLEntity node = this.getNode();

                if (!node.contains(name)) {

                        return defaultValue;

                }

                float value = node.getFloatProperty(name);

                return value;

        }

        public int getInt(String name, int defaultValue) {

                XMLEntity node = this.getNode();

                if (!node.contains(name)) {

                        return defaultValue;

                }

                int value = node.getIntProperty(name);

                return value;

        }

        public long getLong(String name, long defaultValue) {

                XMLEntity node = this.getNode();

                if (!node.contains(name)) {

                        return defaultValue;

                }

                long value = node.getLongProperty(name);

                return value;

        }

        public Color getColor(String name, Color defaultValue) {

                XMLEntity node = this.getNode();

                if (!node.contains(name)) {

                        return defaultValue;

                }

                String value = node.getStringProperty(name);

                return  StringUtilities.string2Color(value);

        }

        public void put(String name, String value) {

                XMLEntity node = this.getNode();

                node.putProperty(name, value);

        }

        public void putBoolean(String name, boolean value) {

                XMLEntity node = this.getNode();

                node.putProperty(name, value);

        }

        public void putByteArray(String name, byte[] value) {

                XMLEntity node = this.getNode();

                node.putProperty(name, value);

        }

        public void putDouble(String name, double value) {

                XMLEntity node = this.getNode();

                node.putProperty(name, value);

        }

        public void putFloat(String name, float value) {

                XMLEntity node = this.getNode();

                node.putProperty(name, value);

        }

        public void putInt(String name, int value) {

                XMLEntity node = this.getNode();

                node.putProperty(name, value);

        }

        public void putLong(String name, long value) {

                XMLEntity node = this.getNode();

                node.putProperty(name, value);

        }

        public void remove(String name) {

                XMLEntity node = this.getNode();

                if (!node.contains(name)) {

                        return;

                }

                node.remove(name);

        }

        public void sync() throws Exception {

                // do nothing

        }

}