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Copyright 2010 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 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;
 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
import  org.drools.guvnor.client.ruleeditor.PropertiesHolder;
import  org.drools.guvnor.client.ruleeditor.PropertyHolder;

used to convert PropertiesHolder to text and back

Anton Arhipov
public class PropertiesPersistence {
	public static PropertiesPersistence getInstance() {
		return INSTANCE;
	public String marshal(PropertiesHolder holder) {
		StringBuilder sb = new StringBuilder();
		for (PropertyHolder propertyHolder : holder.list) {
		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;
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