FileIndexLocation.java

/*******************************************************************************
 * Copyright (c) 2011, 2013 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.core.index;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;

public class FileIndexLocation extends IndexLocation {
	File indexFile;

	public FileIndexLocation(File file) {
		super(file);
		this.indexFile = file;
	}

	public FileIndexLocation(URL url, File file) {
		super(url);
		this.indexFile = file;
	}

	public FileIndexLocation(File file, boolean participantIndex) {
		this(file);
		this.participantIndex = true;
	}

	public boolean createNewFile() throws IOException {
		File directory = this.indexFile.getParentFile();
		if (directory != null && !directory.exists()) {
			directory.mkdirs();
		}
		// always call File#createNewFile() so that the IOException is thrown if there is a failure
		return this.indexFile.createNewFile();
	}

	public boolean delete() {
		return this.indexFile.delete();
	}

	public boolean equals(Object other) {
		if (!(other instanceof FileIndexLocation)) return false;
		return this.indexFile.equals(((FileIndexLocation) other).indexFile);
	}

	public boolean exists() {
		return this.indexFile.exists();
	}

	public String fileName() {
		return this.indexFile.getName();
	}
	
	public File getIndexFile() {
		return this.indexFile;
	}

	InputStream getInputStream() throws IOException {
		return new FileInputStream(this.indexFile);
	}

	public String getCanonicalFilePath() {
		try {
			return this.indexFile.getCanonicalPath();
		} catch (IOException e) {
			// ignore
		}
		return null;
	}

	public int hashCode() {
		return this.indexFile.hashCode();
	}

	public long lastModified() {
		return this.indexFile.lastModified();
	}

	public long length() {
		return this.indexFile.length();
	}

	public boolean startsWith(IPath path) {
		try {
			return path.isPrefixOf(new Path(this.indexFile.getCanonicalPath()));
		} catch (IOException e) {
			return false;
		}
	}

}