Here you can find the source of getInputStream(String filename)
public static InputStream getInputStream(String filename)
//package com.java2s; /*//from w w w.j a v a 2 s . c om * Copyright 2004 Senunkan Shinryuu * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.io.*; public class Main { /** Gets an input stream */ public static InputStream getInputStream(String filename) { File f = new File(filename); return getInputStream(f); } /** Gets an input stream */ public static InputStream getInputStream(File f) { InputStream is = null; try { is = new FileInputStream(f); } catch (Exception e) { try { is.close(); } catch (Exception ex) { } is = null; } return is; } }