package org.apache.commons.vfs2.provider.https.test;

import org.apache.commons.vfs2.FileContent;
import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.FileSystemManager;
import org.apache.commons.vfs2.VFS;
import org.junit.Assert;
import org.junit.Test;

/**
 * Tests VFS-427 NPE on HttpFileObject.getContent().getContentInfo()
 *
 * @since 2.1
 */
public class GetContentInfoFunctionalTest
{

    /**
     * Tests VFS-427 NPE on HttpFileObject.getContent().getContentInfo().
     *
     * @throws FileSystemException
     *             thrown when the getContentInfo API fails.
     */
    @Test
    public void testGoogle() throws FileSystemException
    {
        final FileSystemManager fsManager = VFS.getManager();
        final FileObject fo = fsManager.resolveFile("https://www.google.com/images/logos/ps_logo2.png");
        final FileContent content = fo.getContent();
        Assert.assertNotNull(content);
        // Used to NPE before fix:
        content.getContentInfo();
    }
}

package org.apache.commons.vfs2.provider.https.test;

import java.net.MalformedURLException;
import java.net.URL;

import org.apache.commons.vfs2.FileContent;
import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.FileSystemManager;
import org.apache.commons.vfs2.FileSystemOptions;
import org.apache.commons.vfs2.VFS;
import org.apache.commons.vfs2.provider.http.HttpFileSystemConfigBuilder;

import org.junit.Assert;
import org.junit.Test;

/**
 * Tests VFS-427 NPE on HttpFileObject.getContent().getContentInfo()
 *
 * @since 2.1
 */
public class GetContentInfoFunctionalTest
{

    /**
     * Tests VFS-427 NPE on HttpFileObject.getContent().getContentInfo().
     *
     * @throws FileSystemException
     *             thrown when the getContentInfo API fails.
     * @throws MalformedURLException 
     *             thrown when the System environment contains an invalid URL for an HTTPS proxy.
     */
    @Test
    public void testGoogle() throws FileSystemException, MalformedURLException
    {
    	String httpsProxyHost = null;
    	int httpsProxyPort = -1;
        final String httpsProxy = System.getenv("https_proxy");
        if (httpsProxy != null) {
        	final URL url = new URL(httpsProxy);
        	httpsProxyHost = url.getHost();
        	httpsProxyPort = url.getPort();
        }
        final FileSystemOptions opts;
        if (httpsProxyHost != null) {
            opts = new FileSystemOptions();
            final HttpFileSystemConfigBuilder builder = HttpFileSystemConfigBuilder.getInstance();
            builder.setProxyHost(opts, httpsProxyHost);
            if (httpsProxyPort >= 0) {
            	builder.setProxyPort(opts, httpsProxyPort);
            }
        } else {
        	opts = null;
        }
        
        final FileSystemManager fsManager = VFS.getManager();
        final FileObject fo = fsManager.resolveFile("https://www.google.com/images/logos/ps_logo2.png", opts);
        final FileContent content = fo.getContent();
        Assert.assertNotNull(content);
        // Used to NPE before fix:
        content.getContentInfo();
    }
}

Support https_proxy environment variable to pass test.