Java URL to InputStream openStream(URL url)

Description

open Stream

License

Apache License

Declaration

public static InputStream openStream(URL url) 

Method Source Code

//package com.java2s;
/*// w  ww . jav  a  2s .c o m
 * Copyright 2014-2015 the original author or authors.
 *
 * 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.IOException;
import java.io.InputStream;

import java.net.URL;
import java.net.URLConnection;

import java.util.jar.JarFile;
import java.util.zip.ZipEntry;

public class Main {
    public static InputStream openStream(URL url) {
        try {
            URLConnection connection = url.openConnection();
            connection.setUseCaches(false);
            return connection.getInputStream();
        } catch (IOException e) {
            String msg = "Failed to open the stream: url=" + url;
            throw new IllegalStateException(msg, e);
        }
    }

    public static URLConnection openConnection(URL url) {
        try {
            URLConnection connection = url.openConnection();
            connection.setUseCaches(false);
            return connection;
        } catch (IOException e) {
            throw new IllegalStateException(e);
        }
    }

    public static InputStream getInputStream(JarFile file, ZipEntry entry) {
        try {
            return file.getInputStream(entry);
        } catch (IOException e) {
            throw new IllegalStateException(e);
        }
    }
}

Related

1. openInputStream(URL url)
2. openStream(String urlStr)
3. openStream(URL url)
4. openStream(URL url)
5. openStream(URL url)
6. openStream(URL url)
7. openStream(URL url)
8. openStream(URL url)
9. openStream(URL url)