/*****************************************************************************
* Copyright (C) The Apache Software Foundation. All rights reserved. *
* ------------------------------------------------------------------------- *
* This software is published under the terms of the Apache Software License *
* version 1.1, a copy of which has been included with this distribution in *
* the LICENSE file. *
*****************************************************************************/
package org.apache.cocoon.components.xscript;
import java.net.URLConnection;
import java.net.URL;
import java.io.InputStream;
import java.io.IOException;
import org.apache.cocoon.components.url.URLFactory;
import org.apache.cocoon.ProcessingException;
import org.apache.avalon.framework.component.Composable;
import org.apache.avalon.framework.component.ComponentManager;
import org.apache.avalon.framework.component.ComponentException;
import org.apache.avalon.framework.component.Component;
/**
* An <code>XScriptObject</code> created from the contents of a URL.
*
* @author <a href="mailto:ovidiu@cup.hp.com">Ovidiu Predescu</a>
* @since August 30, 2001
*/
public class XScriptObjectFromURL extends XScriptObject
{
/**
* The content obtained from this URL becomes the content of this
* instance.
*/
String systemId;
/**
* The content length.
*/
int contentLength;
/**
* When was the content of the URL last modified.
*/
long lastModified;
public XScriptObjectFromURL(XScriptManager manager, String systemId)
{
super(manager);
this.systemId = systemId;
}
public InputStream getInputStream()
throws ProcessingException, IOException
{
try {
URLFactory urlFactory = (URLFactory)componentManager.lookup(URLFactory.ROLE);
URL url = urlFactory.getURL(systemId);
URLConnection conn = url.openConnection();
InputStream is = conn.getInputStream();
contentLength = conn.getContentLength();
componentManager.release((Component)urlFactory);
return is;
}
catch (ComponentException ex) {
throw new ProcessingException(ex);
}
}
public long getContentLength()
{
return contentLength;
}
public long getLastModified()
{
return lastModified;
}
public String getSystemId()
{
// FIXME: generate a real system id to represent this object
return "file:/";
}
public void recycle()
{
}
public String toString()
{
return new StringBuffer("XScriptObjectFromURL(systemId = ").append(systemId).append(")").toString();
}
}