/* * Oscar - An implementation of the OSGi framework. * Copyright (c) 2004, Richard S. Hall * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * *   * Redistributions of source code must retain the above copyright *     notice, this list of conditions and the following disclaimer. *   * Redistributions in binary form must reproduce the above copyright *     notice, this list of conditions and the following disclaimer in *     the documentation and/or other materials provided with the *     distribution. *   * Neither the name of the ungoverned.org nor the names of its *     contributors may be used to endorse or promote products derived *     from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Contact: Richard S. Hall (heavy@ungoverned.org) * Contributor(s): ***/package org.ungoverned.oscar.installer.artifact;import java.io.*;import java.net.URL;import java.net.URLConnection;import org.ungoverned.oscar.installer.Status;import org.ungoverned.oscar.installer.StringProperty;public class URLJarArtifact extends AbstractJarArtifact{    public URLJarArtifact(StringProperty sourceName)    {        this(sourceName, null);    }    public URLJarArtifact(StringProperty sourceName, StringProperty destDir)    {        this(sourceName, destDir, false);    }    public URLJarArtifact(        StringProperty sourceName, StringProperty destDir, boolean localize)    {        super(sourceName, destDir, localize);    }    public InputStream getInputStream(Status status)        throws IOException    {        String fileName = getSourceName().getStringValue();        fileName = (fileName.lastIndexOf('/') > 0)            ? fileName.substring(fileName.lastIndexOf('/') + 1)            : fileName;                status.setText("Connecting...");        File file = File.createTempFile("oscar-install.tmp", null);        file.deleteOnExit();        OutputStream os = new FileOutputStream(file);        URLConnection conn = new URL(getSourceName().getStringValue()).openConnection();        int total = conn.getContentLength();        InputStream is = conn.getInputStream();        int count = 0;        for (int len = is.read(s_buffer); len > 0; len = is.read(s_buffer))        {            count += len;            os.write(s_buffer, 0, len);            if (total > 0)            {                status.setText("Downloading " + fileName                    + " ( " + count + " bytes of " + total + " ).");            }            else            {                status.setText("Downloading " + fileName + " ( " + count + " bytes ).");            }        }        os.close();        is.close();        return new FileInputStream(file);    }    public String toString()    {        return "URL JAR: " + getSourceName().getStringValue();    }}