001/* 002 * Copyright 2012-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.devtools.restart.classloader; 018 019import java.io.ByteArrayInputStream; 020import java.io.IOException; 021import java.io.InputStream; 022import java.net.URL; 023import java.net.URLConnection; 024import java.net.URLStreamHandler; 025 026/** 027 * {@link URLStreamHandler} for the contents of a {@link ClassLoaderFile}. 028 * 029 * @author Phillip Webb 030 * @since 1.5.0 031 */ 032public class ClassLoaderFileURLStreamHandler extends URLStreamHandler { 033 034 private ClassLoaderFile file; 035 036 public ClassLoaderFileURLStreamHandler(ClassLoaderFile file) { 037 this.file = file; 038 } 039 040 @Override 041 protected URLConnection openConnection(URL url) throws IOException { 042 return new Connection(url); 043 } 044 045 private class Connection extends URLConnection { 046 047 Connection(URL url) { 048 super(url); 049 } 050 051 @Override 052 public void connect() throws IOException { 053 } 054 055 @Override 056 public InputStream getInputStream() throws IOException { 057 return new ByteArrayInputStream( 058 ClassLoaderFileURLStreamHandler.this.file.getContents()); 059 } 060 061 @Override 062 public long getLastModified() { 063 return ClassLoaderFileURLStreamHandler.this.file.getLastModified(); 064 065 } 066 067 } 068 069}