package org.apache.maven.repository.legacy;
   
   /*
    * 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.
   */
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.UnsupportedEncodingException;
  import java.nio.charset.StandardCharsets;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.maven.wagon.ConnectionException;
  import org.apache.maven.wagon.InputData;
  import org.apache.maven.wagon.OutputData;
  import org.apache.maven.wagon.ResourceDoesNotExistException;
  import org.apache.maven.wagon.StreamWagon;
  import org.apache.maven.wagon.TransferFailedException;
  import org.apache.maven.wagon.Wagon;
  import org.apache.maven.wagon.authentication.AuthenticationException;
  import org.apache.maven.wagon.authorization.AuthorizationException;
  import org.apache.maven.wagon.resource.Resource;
  import org.codehaus.plexus.component.annotations.Component;
  
  @Component(role=Wagon.class,hint="string")
  public class StringWagon
      extends StreamWagon
  {
      private Map<String, String> expectedContent = new HashMap<>();
  
      public void addExpectedContent( String resourceName, String expectedContent )
      {
          this.expectedContent.put( resourceName, expectedContent );
      }
  
      public String[] getSupportedProtocols()
      {
          return new String[] { "string" };
      }
  
      @Override
      public void closeConnection()
          throws ConnectionException
      {
      }
  
      @Override
      public void fillInputData( InputData inputData )
          throws TransferFailedException, ResourceDoesNotExistException, AuthorizationException
      {
          Resource resource = inputData.getResource();
  
          String content = expectedContent.get( resource.getName() );
  
          if ( content != null )
          {
              resource.setContentLength( content.length() );
              resource.setLastModified( System.currentTimeMillis() );
  
              inputData.setInputStream( new ByteArrayInputStream( content.getBytes( StandardCharsets.UTF_8 ) ) );
          }
          else
          {
              throw new ResourceDoesNotExistException( "No content provided for " + resource.getName() );
          }
      }
  
      @Override
      public void fillOutputData( OutputData outputData )
          throws TransferFailedException
      {
          outputData.setOutputStream( new ByteArrayOutputStream() );
      }
  
      @Override
      protected void openConnectionInternal()
          throws ConnectionException, AuthenticationException
      {
      }
  
      public void clearExpectedContent()
      {
          expectedContent.clear();
     }
 }