TcpDockerResponse.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.plugin.docker.client.connection;

import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.util.List;
import java.util.Map;

/**
 * @author andrew00x
 */
public class TcpDockerResponse implements DockerResponse {
    private final HttpURLConnection connection;

    TcpDockerResponse(HttpURLConnection connection) {
        this.connection = connection;
    }

    @Override
    public int getStatus() throws IOException {
        return connection.getResponseCode();
    }

    @Override
    public int getContentLength() throws IOException {
        return connection.getContentLength();
    }

    @Override
    public String getContentType() throws IOException {
        return connection.getContentType();
    }

    @Override
    public String getHeader(String name) throws IOException {
        return connection.getHeaderField(name);
    }

    @Override
    public String[] getHeaders(String name) throws IOException {
        final Map<String, List<String>> allHeaders = connection.getHeaderFields();
        final List<String> headers = allHeaders.get(name);
        return headers != null ? headers.toArray(new String[headers.size()]) : new String[0];
    }

    @Override
    public InputStream getInputStream() throws IOException {
        InputStream entityStream = connection.getErrorStream();
        if (entityStream == null) {
            entityStream = connection.getInputStream();
        }
        return entityStream;
    }
}