/*
* Copyright 2005 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.guvnor.server.util;
import java.util.ArrayList;
import java.util.List;
import org.drools.guvnor.client.ruleeditor.PropertiesHolder;
import org.drools.guvnor.client.ruleeditor.PropertyHolder;
/**
* used to convert PropertiesHolder to text and back
*
* @author Anton Arhipov
*/
public class PropertiesPersistence {
private static PropertiesPersistence INSTANCE = new PropertiesPersistence();
private PropertiesPersistence() {
}
public static PropertiesPersistence getInstance() {
return INSTANCE;
}
public String marshal(PropertiesHolder holder) {
StringBuilder sb = new StringBuilder();
for (PropertyHolder propertyHolder : holder.list) {
sb.append(propertyHolder.name).append("=").append(
propertyHolder.value).append("\n");
}
return sb.toString();
}
public PropertiesHolder unmarshal(String properties) {
List<PropertyHolder> list = new ArrayList<PropertyHolder>();
String[] props = properties.split("\n");
if (props != null) {
for (String s : props) {
String[] pair = s.split("=");
if (pair.length == 2) {
list.add(new PropertyHolder(pair[0], pair[1]));
}
}
}
PropertiesHolder result = new PropertiesHolder();
result.list = list;
return result;
}
}