| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.sling.crankstart.launcher; |
| |
| import java.util.Properties; |
| |
| import org.apache.sling.provisioning.model.Feature; |
| import org.apache.sling.provisioning.model.ModelUtility.VariableResolver; |
| |
| /** VariableResolver that uses a Properties object */ |
| public class PropertiesVariableResolver implements VariableResolver { |
| private final Properties props; |
| private final String variableNamePrefix; |
| |
| public PropertiesVariableResolver(Properties props, String variableNamePrefix) { |
| this.props = props; |
| this.variableNamePrefix = variableNamePrefix; |
| } |
| |
| @Override |
| public String resolve(Feature f, String variableName) { |
| final String propertyName = variableNamePrefix + variableName; |
| final String value = props.getProperty(propertyName); |
| if(value == null) { |
| return f.getVariables().get(variableName); |
| } else { |
| onOverride(variableName, value, propertyName); |
| return value; |
| } |
| } |
| |
| protected void onOverride(String variableName, String value, String propertyName) { |
| } |
| } |