package org.springframework.boot.origin;
import java.net.URI;
final class JarUri {
private static final String JAR_SCHEME = "jar:";
private static final String JAR_EXTENSION = ".jar";
private final String uri;
private final String description;
private JarUri(String uri) {
this.uri = uri;
this.description = extractDescription(uri);
}
private String (String uri) {
uri = uri.substring(JAR_SCHEME.length());
int firstDotJar = uri.indexOf(JAR_EXTENSION);
String firstJar = getFilename(uri.substring(0, firstDotJar + JAR_EXTENSION.length()));
uri = uri.substring(firstDotJar + JAR_EXTENSION.length());
int lastDotJar = uri.lastIndexOf(JAR_EXTENSION);
if (lastDotJar == -1) {
return firstJar;
}
return firstJar + uri.substring(0, lastDotJar + JAR_EXTENSION.length());
}
private String getFilename(String string) {
int lastSlash = string.lastIndexOf('/');
return (lastSlash == -1) ? string : string.substring(lastSlash + 1);
}
String getDescription() {
return this.description;
}
String getDescription(String existing) {
return existing + " from " + this.description;
}
@Override
public String toString() {
return this.uri;
}
static JarUri from(URI uri) {
return from(uri.toString());
}
static JarUri from(String uri) {
if (uri.startsWith(JAR_SCHEME) && uri.contains(JAR_EXTENSION)) {
return new JarUri(uri);
}
return null;
}
}