org.eclipse.jdt.internal.jarinjarloader.RsrcURLStreamHandler Maven / Gradle / Ivy
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A Gradle plugin for generating self-contained executable jars.
/*******************************************************************************
* Copyright (c) 2008, 2009 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:
* Ferenc Hechler - initial API and implementation
* Ferenc Hechler, [email protected] - 219530 [jar application] add Jar-in-Jar ClassLoader option
* Ferenc Hechler, [email protected] - 262746 [jar exporter] Create a builder for jar-in-jar-loader.zip
* Ferenc Hechler, [email protected] - 262748 [jar exporter] extract constants for string literals in JarRsrcLoader et al.
*******************************************************************************/
package org.eclipse.jdt.internal.jarinjarloader;
import java.io.IOException;
import java.net.URL;
/**
* This class will be compiled into the binary jar-in-jar-loader.zip. This ZIP is used for the
* "Runnable JAR File Exporter"
*
* Handle URLs with protocol "rsrc". "rsrc:path/file.ext" identifies the content accessible as
* classLoader.getResourceAsStream("path/file.ext"). "rsrc:path/" identifies a base-path for
* resources to be searched. The spec "file.ext" is combined to "rsrc:path/file.ext".
*
* @since 3.5
*/
public class RsrcURLStreamHandler extends java.net.URLStreamHandler {
private ClassLoader classLoader;
public RsrcURLStreamHandler(ClassLoader classLoader) {
this.classLoader = classLoader;
}
protected java.net.URLConnection openConnection(URL u) throws IOException {
return new RsrcURLConnection(u, classLoader);
}
protected void parseURL(URL url, String spec, int start, int limit) {
String file;
if (spec.startsWith(JIJConstants.INTERNAL_URL_PROTOCOL_WITH_COLON))
file = spec.substring(5);
else if (url.getFile().equals(JIJConstants.CURRENT_DIR))
file = spec;
else if (url.getFile().endsWith(JIJConstants.PATH_SEPARATOR))
file = url.getFile() + spec;
else
file = spec;
setURL(url, JIJConstants.INTERNAL_URL_PROTOCOL, "", -1, null, null, file, null, null); //$NON-NLS-1$
}
}