Copyright (c) 2000, 2018 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2018 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.jdt.internal.launching;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.variables.VariablesPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.launching.IRuntimeClasspathEntry;
import org.eclipse.jdt.launching.IRuntimeClasspathEntryResolver;
import org.eclipse.jdt.launching.IVMInstall;
import org.eclipse.jdt.launching.JavaRuntime;


public class VariableClasspathResolver implements IRuntimeClasspathEntryResolver {

	/* (non-Javadoc)
	 * @see org.eclipse.jdt.launching.IRuntimeClasspathEntryResolver#resolveRuntimeClasspathEntry(org.eclipse.jdt.launching.IRuntimeClasspathEntry, org.eclipse.debug.core.ILaunchConfiguration)
	 */
	@Override
	public IRuntimeClasspathEntry[] resolveRuntimeClasspathEntry(IRuntimeClasspathEntry entry, ILaunchConfiguration configuration) throws CoreException {
		return resolveRuntimeClasspathEntry(entry);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jdt.launching.IRuntimeClasspathEntryResolver#resolveRuntimeClasspathEntry(org.eclipse.jdt.launching.IRuntimeClasspathEntry, org.eclipse.jdt.core.IJavaProject)
	 */
	@Override
	public IRuntimeClasspathEntry[] resolveRuntimeClasspathEntry(IRuntimeClasspathEntry entry, IJavaProject project) throws CoreException {
		return resolveRuntimeClasspathEntry(entry);
	}

	private IRuntimeClasspathEntry[] resolveRuntimeClasspathEntry(IRuntimeClasspathEntry entry) throws CoreException{
		String variableString = ((VariableClasspathEntry)entry).getVariableString();
		String strpath = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(variableString);
		IPath path = new Path(strpath).makeAbsolute();
		IRuntimeClasspathEntry archiveEntry = JavaRuntime.newArchiveRuntimeClasspathEntry(path);
		return new IRuntimeClasspathEntry[] { archiveEntry };
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jdt.launching.IRuntimeClasspathEntryResolver#resolveVMInstall(org.eclipse.jdt.core.IClasspathEntry)
	 */
	@Override
	public IVMInstall resolveVMInstall(IClasspathEntry entry) throws CoreException {
		return null;
	}
}