/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cocoon.components.xscript;
import org.apache.excalibur.source.Source;
import org.apache.excalibur.source.SourceException;
import org.apache.excalibur.source.SourceResolver;
import org.apache.excalibur.source.SourceNotFoundException;
import java.io.IOException;
import java.io.InputStream;
/**
* An <code>XScriptObject</code> created from the contents of a URL.
*
* @author <a href="mailto:ovidiu@cup.hp.com">Ovidiu Predescu</a>
* @version CVS $Id: XScriptObjectFromURL.java,v 1.1 2004/03/10 12:58:08 stephan Exp $
* @since August 30, 2001
*/
public class XScriptObjectFromURL extends XScriptObject {
/**
* The content obtained from this URL becomes the content of this
* instance.
*/
String systemId;
/**
* 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 IOException, SourceNotFoundException {
SourceResolver resolver = null;
Source source = null;
try {
resolver = (SourceResolver) serviceManager.lookup(SourceResolver.ROLE);
source = resolver.resolveURI(this.systemId);
return source.getInputStream();
} catch (Exception e) {
throw new SourceException("Exception during processing of " + this.systemId, e);
} finally {
if (resolver != null) {
resolver.release(source);
serviceManager.release(resolver);
}
}
}
public long getContentLength() {
return -1;
}
public long getLastModified() {
return 0;
}
public String toString() {
return new StringBuffer("XScriptObjectFromURL(systemId = ").append(systemId).append(")").toString();
}
public String getURI() {
// FIXME: generate a real system id to represent this object
return "xscript:url:" + systemId;
}
}