Java tutorial
//package com.java2s; /* * GroovyShell - Android harness for running Groovy programs * * Copyright 2015 Alexander Rvachev * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * In addition, as a special exception, the copyright holders give * permission to link the code of portions of this program with independent * modules ("scripts") to produce an executable program, regardless of the license * terms of these independent modules, and to copy and distribute the resulting * script under terms of your choice, provided that you also meet, for each linked * independent module, the terms and conditions of the license of that module. * An independent module is a module which is not derived from or based on this library. * If you modify this library, you may extend this exception to your version of * the library, but you are not obligated to do so. If you do not wish to do * so, delete this exception statement from your version. */ import android.content.ContentResolver; import android.content.Context; import android.net.Uri; import java.io.IOException; import java.io.InputStream; import java.net.URL; public class Main { public static InputStream openStreamForUri(Context context, Uri uri) throws IOException { switch (uri.getScheme()) { case ContentResolver.SCHEME_CONTENT: case ContentResolver.SCHEME_ANDROID_RESOURCE: try { return context.getContentResolver().openInputStream(uri); } catch (RuntimeException ignore) { } case "file": case "http": case "https": return new URL(uri.toString()).openStream(); } throw new IOException("Unable to open " + uri.toString()); } }