/*******************************************************************************
 * Copyright (c) 2010 Angelo Zerr and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Angelo Zerr <angelo.zerr@gmail.com> - Initial API and implementation 
 *******************************************************************************/
package org.eclipse.jst.server.jetty.core.internal;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jst.server.core.RuntimeClasspathProviderDelegate;
import org.eclipse.wst.server.core.IRuntime;

public class JettyRuntimeClasspathProvider extends RuntimeClasspathProviderDelegate implements JettyConstants
{
    private static final IClasspathEntry[] EMPTY_CLASSPATH_ENTRY = new IClasspathEntry[0];

    @Override
    public IClasspathEntry[] resolveClasspathContainer(IProject project, IRuntime runtime)
    {
        IPath installPath = runtime.getLocation();
        if (installPath == null)
            return EMPTY_CLASSPATH_ENTRY;
        // String runtimeId = runtime.getRuntimeType().getId();

        // TODO : switch Jetty version, is there different classpath?

        List<IClasspathEntry> entries = new ArrayList<IClasspathEntry>();
        IPath libPath = installPath.append(LIB_FOLDER);
        File libDir = libPath.toFile();
        if (libDir.exists())
        {
            // add all jars from the Jetty ${jetty.home}/lib
            RuntimeClasspathProviderDelegate.addLibraryEntries(entries,libDir,true);
            // add all jars from the Jetty ${jetty.home}/lib/jsp directory
            IPath jspLibPath = libPath.append(JSP_FOLDER);
            File jspLibDir = jspLibPath.toFile();
            if (jspLibDir.exists())
            {
                RuntimeClasspathProviderDelegate.addLibraryEntries(entries,jspLibDir,true);
            }
        }
        return entries.toArray(new IClasspathEntry[entries.size()]);
    }

}