| /* |
| * 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.nifi.stateless.bootstrap; |
| |
| import org.apache.nifi.stateless.config.ParameterOverride; |
| import org.apache.nifi.stateless.config.ParameterProvider; |
| |
| import java.util.List; |
| import java.util.Objects; |
| |
| public class ParameterOverrideProvider implements ParameterProvider { |
| private final List<ParameterOverride> parameterOverrides; |
| |
| public ParameterOverrideProvider(final List<ParameterOverride> overrides) { |
| this.parameterOverrides = overrides; |
| } |
| |
| @Override |
| public String getParameterValue(final String contextName, final String parameterName) { |
| final ParameterOverride override = getParameterOverride(contextName, parameterName); |
| return (override == null) ? null : override.getParameterValue(); |
| } |
| |
| @Override |
| public boolean isParameterDefined(final String contextName, final String parameterName) { |
| final ParameterOverride override = getParameterOverride(contextName, parameterName); |
| return override != null; |
| } |
| |
| private ParameterOverride getParameterOverride(final String contextName, final String parameterName) { |
| for (final ParameterOverride override : parameterOverrides) { |
| if ((override.getContextName() == null || Objects.equals(override.getContextName(), contextName)) && Objects.equals(override.getParameterName(), parameterName)) { |
| return override; |
| } |
| } |
| |
| return null; |
| } |
| } |