mirror of
https://github.com/itplr-kosit/validator.git
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66 lines
2.4 KiB
Java
66 lines
2.4 KiB
Java
/*
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* Copyright 2017-2020 Koordinierungsstelle für IT-Standards (KoSIT)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package de.kosit.validationtool.daemon;
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import java.io.IOException;
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import java.io.OutputStream;
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpHandler;
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/**
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* Simple base implemenation for http handlers. Doing I/O stuff.
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*
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* @author Andreas Penski
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*/
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abstract class BaseHandler implements HttpHandler {
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protected static final String APPLICATION_XML = "application/xml";
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protected static void write(final HttpExchange exchange, final byte[] content, final String contentType) throws IOException {
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write(exchange, content, contentType, HttpStatus.SC_OK);
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}
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protected static void write(final HttpExchange exchange, final byte[] content, final String contentType, final int statusCode)
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throws IOException {
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write(exchange, contentType, os -> os.write(content), statusCode);
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}
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protected static void write(final HttpExchange exchange, final String contentType, final Write write, final int statusCode)
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throws IOException {
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exchange.getResponseHeaders().add("Content-Type", contentType);
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exchange.sendResponseHeaders(statusCode, 0);
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final OutputStream os = exchange.getResponseBody();
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write.write(os);
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os.close();
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}
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protected static void error(final HttpExchange exchange, final int statusCode, final String message) throws IOException {
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final byte[] bytes = message.getBytes();
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exchange.getResponseHeaders().add("Content-Type", "text/plain");
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exchange.sendResponseHeaders(statusCode, bytes.length);
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final OutputStream os = exchange.getResponseBody();
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os.write(bytes);
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os.close();
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}
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@FunctionalInterface
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protected interface Write {
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void write(OutputStream out) throws IOException;
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}
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}
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