org.springframework.boot.devtools.restart.classloader.ClassLoaderFileURLStreamHandler.java Source code

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Here is the source code for org.springframework.boot.devtools.restart.classloader.ClassLoaderFileURLStreamHandler.java

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/*
 * Copyright 2012-2019 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
 *
 *      https://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.
 */

package org.springframework.boot.devtools.restart.classloader;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;

/**
 * {@link URLStreamHandler} for the contents of a {@link ClassLoaderFile}.
 *
 * @author Phillip Webb
 * @since 1.5.0
 */
public class ClassLoaderFileURLStreamHandler extends URLStreamHandler {

    private ClassLoaderFile file;

    public ClassLoaderFileURLStreamHandler(ClassLoaderFile file) {
        this.file = file;
    }

    @Override
    protected URLConnection openConnection(URL url) throws IOException {
        return new Connection(url);
    }

    private class Connection extends URLConnection {

        Connection(URL url) {
            super(url);
        }

        @Override
        public void connect() throws IOException {
        }

        @Override
        public InputStream getInputStream() throws IOException {
            return new ByteArrayInputStream(ClassLoaderFileURLStreamHandler.this.file.getContents());
        }

        @Override
        public long getLastModified() {
            return ClassLoaderFileURLStreamHandler.this.file.getLastModified();

        }

    }

}