org.sonar.java.bytecode.loader.Loader Maven / Gradle / Ivy
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/*
* SonarQube Java
* Copyright (C) 2012 SonarSource
* [email protected]
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.java.bytecode.loader;
import java.net.URL;
/**
* Specifies resource loading behavior.
*/
interface Loader {
/**
* Finds the resource with the given name.
*
* @param name resource name
* @return an URL object for reading the resource, or
* null if the resource could not be found
* @throws IllegalStateException if loader has been closed
*/
URL findResource(String name);
/**
* Loads bytes of the resource with the given name.
*
* @param name resource name
* @return an array of bytes, or
* null if the resource could not be found or could not be loaded for some reason
* @throws IllegalStateException if loader has been closed
*/
byte[] loadBytes(String name);
/**
* Closes this loader, so that it can no longer be used to load new resources.
* If loader is already closed, then invoking this method has no effect.
*/
void close();
}