jruby/src/org/jruby/util/JarFileResource.java at parallel_boot · MSNexploder/jruby · GitHub

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package org.jruby.util;

import org.jruby.RubyFile;

import java.io.IOException;

import java.util.zip.ZipEntry;

/**

* A file resource that is contained within a jar.

public class JarFileResource extends ZipEntry implements FileResource {

public static JarFileResource load(String path) {

String sanitized = path.startsWith("file:") ? path.substring(5) : path;

int bang = sanitized.indexOf('!');

if (bang == -1) {

throw new IllegalArgumentException("Expecting a jar containing path, but got: " + sanitized);

}

String jar = sanitized.substring(0, bang);

String after = sanitized.substring(bang + 2);

try {

return new JarFileResource(RubyFile.getDirOrFileEntry(jar, after));

} catch (IOException ioError) {

// Failed to get the file, so returning null, similar to like ZipFile#getEntry does

return null;

}

private JarFileResource(ZipEntry entry) {

super(entry);

}

@Override

public boolean exists() {

// ZipEntry always exists

return true;

}

@Override

public boolean isFile() {

return !isDirectory();

}

@Override

public long length() {

return getSize();

}

@Override

public long lastModified() {

return getTime();

}

jruby/src/org/jruby/util/JarFileResource.java at parallel_boot · MSNexploder/jruby · GitHub

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