content: /*
   * 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.ambari.server.controller.metrics.ganglia;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.ambari.server.configuration.ComponentSSLConfiguration;
  import org.apache.ambari.server.controller.internal.URLStreamProvider;
  
  public class TestStreamProvider extends URLStreamProvider {
    // Allow for filename to be set at runtime
    protected String fileName;
    private String lastSpec;
    protected Set<String> specs = new HashSet<>();
    private boolean isLastSpecUpdated;
  
    public TestStreamProvider(String fileName) {
      super(1000, 1000, ComponentSSLConfiguration.instance());
      this.fileName = fileName;
    }
  
    @Override
    public TestHttpUrlConnection processURL(String spec, String requestMethod, String body, Map<String, List<String>> headers)
      throws IOException {
      return new TestHttpUrlConnection(readFrom(spec));
    }
  
    @Override
    public InputStream readFrom(String spec) throws IOException {
      if (!isLastSpecUpdated) {
        lastSpec = spec;
      }
      isLastSpecUpdated = false;
      specs.add(spec);
      
      return ClassLoader.getSystemResourceAsStream(fileName);
    }
  
    public String getLastSpec() {
      return lastSpec;
    }
  
    public Set<String> getAllSpecs() {
      return specs;
    }
  
    @Override
    public InputStream readFrom(String spec, String requestMethod, String params) throws IOException {
      lastSpec = spec + "?" + params;
      isLastSpecUpdated = true;
      return readFrom(spec);
    }
  }
  