/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.update.internal.standalone;
import java.net.*;

import org.eclipse.core.runtime.*;
import org.eclipse.update.core.*;
import org.eclipse.update.internal.search.*;
import org.eclipse.update.operations.*;
import org.eclipse.update.search.*;

public class SearchCommand extends ScriptedCommand {
	
	private URL remoteSiteURL;
	private UpdateSearchRequest searchRequest;
	private IUpdateSearchResultCollector collector;
	
	public SearchCommand(String fromSite) {
		try {
			this.remoteSiteURL = new URL(URLDecoder.decode(fromSite));
			UpdateSearchScope searchScope = new UpdateSearchScope();
			searchScope.addSearchSite("remoteSite", remoteSiteURL, new String[0]);
			searchRequest = new UpdateSearchRequest(new SiteSearchCategory(), searchScope);
			collector = new UpdateSearchResultCollector();
		} catch (MalformedURLException e) {
			e.printStackTrace();
		} 
	}

	/**
	 */
	public boolean run() {
		try {
			System.out.println("Searching on " + remoteSiteURL.toString());
			searchRequest.performSearch(collector, new NullProgressMonitor());
			System.out.println("Done.");
			return true;
		} catch (CoreException ce) {
			IStatus status = ce.getStatus();
			if (status != null
				&& status.getCode() == ISite.SITE_ACCESS_EXCEPTION) {
				// Just show this but do not throw exception
				// because there may be results anyway.
				System.out.println("Connection Error");;
			}
			return false;
		}
	}

	/* (non-Javadoc)
	 * @see org.eclipse.update.operations.IOperationListener#afterExecute(org.eclipse.update.operations.IOperation)
	 */
	public boolean afterExecute(IOperation operation, Object data) {
		return true;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.update.operations.IOperationListener#beforeExecute(org.eclipse.update.operations.IOperation)
	 */
	public boolean beforeExecute(IOperation operation, Object data) {
		return true;
	}


	class UpdateSearchResultCollector implements IUpdateSearchResultCollector {
		public void accept(IFeature feature) {
			System.out.println("\""+feature.getLabel() + "\" " + feature.getVersionedIdentifier().getIdentifier() + " " +feature.getVersionedIdentifier().getVersion());
		}
	}
}