update/org.eclipse.update.core/src/org/eclipse/update/internal/core/Response.java

package org.eclipse.update.internal.core;

import java.io.IOException;
import java.io.InputStream;
import java.net.*;
import java.net.URL;
import java.net.URLConnection;

/*
 * (c) Copyright IBM Corp. 2000, 2002.
 * All Rights Reserved.
 */
public class Response {

	private URL url;
	private InputStream in;
	private URLConnection connection;	
	
	/**
	 * 
	 */
	public Response(InputStream in) {
		super();
		this.in = in;
	}

	/**
	 * 
	 */
	public Response(URL url) {
		super();
		this.url = url;
	}

	/**
	 * Method getInputStream.
	 * @return InputStream
	 */
	public InputStream getInputStream() throws IOException {
		if (in==null && url!=null){
			this.connection = url.openConnection();
			this.in = connection.getInputStream();
		}
		return in;
	}

	/**
	 * Method getContentLength.
	 * @return long
	 */
	public long getContentLength() {
		if (connection!=null) return connection.getContentLength();
		return 0;
	}

	/**
	 * Method getStatusCode.
	 * @return int
	 */
	public int getStatusCode() {
		if (connection!=null){
			if (connection instanceof HttpURLConnection)
			try {
				return ((HttpURLConnection)connection).getResponseCode();
			} catch (IOException e){
				UpdateManagerPlugin.warn("",e);
			}
		}
		return IStatusCodes.HTTP_OK;
	}

	/**
	 * Method getStatusMessage.
	 * @return String
	 */
	public String getStatusMessage() {
		if (connection!=null){
			if (connection instanceof HttpURLConnection)
				try {
					return ((HttpURLConnection)connection).getResponseMessage();
				} catch (IOException e) {
					UpdateManagerPlugin.warn("",e);
				}
		}
		return "";
	}

}