001package org.eclipse.aether.transport.wagon;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 * 
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 * 
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.io.ByteArrayInputStream;
023import java.io.ByteArrayOutputStream;
024import java.io.InputStream;
025import java.io.OutputStream;
026import java.net.URI;
027import java.nio.charset.StandardCharsets;
028import java.util.Map;
029import java.util.Properties;
030
031import org.apache.maven.wagon.ConnectionException;
032import org.apache.maven.wagon.InputData;
033import org.apache.maven.wagon.OutputData;
034import org.apache.maven.wagon.ResourceDoesNotExistException;
035import org.apache.maven.wagon.StreamWagon;
036import org.apache.maven.wagon.TransferFailedException;
037import org.apache.maven.wagon.authentication.AuthenticationException;
038import org.apache.maven.wagon.authorization.AuthorizationException;
039import org.apache.maven.wagon.resource.Resource;
040
041/**
042 */
043public class MemStreamWagon
044    extends StreamWagon
045    implements Configurable
046{
047
048    private Map<String, String> fs;
049
050    private Properties headers;
051
052    private Object config;
053
054    public void setConfiguration( Object config )
055    {
056        this.config = config;
057    }
058
059    public Object getConfiguration()
060    {
061        return config;
062    }
063
064    public void setHttpHeaders( Properties httpHeaders )
065    {
066        headers = httpHeaders;
067    }
068
069    @Override
070    protected void openConnectionInternal()
071        throws ConnectionException, AuthenticationException
072    {
073        fs =
074            MemWagonUtils.openConnection( this, getAuthenticationInfo(),
075                                          getProxyInfo( "mem", getRepository().getHost() ), headers );
076    }
077
078    @Override
079    public void closeConnection()
080        throws ConnectionException
081    {
082        fs = null;
083    }
084
085    private String getData( String resource )
086    {
087        return fs.get( URI.create( resource ).getSchemeSpecificPart() );
088    }
089
090    @Override
091    public boolean resourceExists( String resourceName )
092        throws TransferFailedException, AuthorizationException
093    {
094        String data = getData( resourceName );
095        return data != null;
096    }
097
098    @Override
099    public void fillInputData( InputData inputData )
100        throws TransferFailedException, ResourceDoesNotExistException, AuthorizationException
101    {
102        String data = getData( inputData.getResource().getName() );
103        if ( data == null )
104        {
105            throw new ResourceDoesNotExistException( "Missing resource: " + inputData.getResource().getName() );
106        }
107        byte[] bytes = data.getBytes( StandardCharsets.UTF_8 );
108        inputData.getResource().setContentLength( bytes.length );
109        inputData.setInputStream( new ByteArrayInputStream( bytes ) );
110    }
111
112    @Override
113    public void fillOutputData( OutputData outputData )
114        throws TransferFailedException
115    {
116        outputData.setOutputStream( new ByteArrayOutputStream() );
117    }
118
119    @Override
120    protected void finishPutTransfer( Resource resource, InputStream input, OutputStream output )
121        throws TransferFailedException, AuthorizationException, ResourceDoesNotExistException
122    {
123        String data = new String( ( (ByteArrayOutputStream) output ).toByteArray(), StandardCharsets.UTF_8 );
124        fs.put( URI.create( resource.getName() ).getSchemeSpecificPart(), data );
125    }
126
127}