Copyright (c) 2000, 2011 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
    Ericsson AB, Hamdan Msheik - Bug 389564
    Ericsson AB, Julian Enoch - Bug 389564
/*******************************************************************************
 * Copyright (c) 2000, 2011 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
 *     Ericsson AB, Hamdan Msheik - Bug 389564
 *     Ericsson AB, Julian Enoch - Bug 389564
 *******************************************************************************/

package org.eclipse.ant.internal.core;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;

import org.eclipse.ant.core.AntCorePlugin;
import org.eclipse.ant.core.IAntClasspathEntry;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.URIUtil;
import org.eclipse.core.variables.VariablesPlugin;

public class AntClasspathEntry implements IAntClasspathEntry {

	private String entryString;
	private boolean eclipseRequired = false;
	private URL url = null;

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ant.core.IAntClasspathEntry#getLabel()
	 */
	@Override
	public String getLabel() {

		return entryString;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ant.core.IAntClasspathEntry#getEntryURL()
	 */
	@Override
	public URL getEntryURL() {
		if (url != null) {
			return url;
		}
		try {
			String expanded = VariablesPlugin.getDefault().getStringVariableManager().performStringSubstitution(entryString);
			return new URL(IAntCoreConstants.FILE_PROTOCOL + expanded);
		}
		catch (CoreException e) {
			try {
				return new URL(IAntCoreConstants.FILE_PROTOCOL + entryString);
			}
			catch (MalformedURLException e1) {
				return null;
			}
		}
		catch (MalformedURLException e) {
			AntCorePlugin.log(e);
		}
		return null;
	}

	public AntClasspathEntry(String entryString) {
		this.entryString = entryString;
	}

	public AntClasspathEntry(URL url) {
		this.url = url;
		try {
			URL fileURL = FileLocator.toFileURL(url);
			this.entryString = (URIUtil.toFile(URIUtil.toURI(fileURL))).getAbsolutePath();
		}
		catch (URISyntaxException | IOException e) {
			AntCorePlugin.log(e);
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object obj) {
		if (obj instanceof IAntClasspathEntry) {
			IAntClasspathEntry other = (IAntClasspathEntry) obj;
			return entryString.equals(other.getLabel());
		}
		return false;

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		return entryString.hashCode();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see java.lang.Object#toString()
	 */
	@Override
	public String toString() {
		return getLabel();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ant.core.IAntClasspathEntry#isEclipseRuntimeRequired()
	 */
	@Override
	public boolean isEclipseRuntimeRequired() {
		return eclipseRequired;
	}

	public void setEclipseRuntimeRequired(boolean eclipseRequired) {
		this.eclipseRequired = eclipseRequired;
	}
}