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51 lines
1.5 KiB
Java
51 lines
1.5 KiB
Java
// Copyright 2016 Google Inc. All Rights Reserved.
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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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package com.google.domain.registry.request;
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import java.io.IOException;
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import javax.inject.Inject;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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* Action that delegates to a servlet.
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*
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* <p>This is a transitory solution for using legacy servlets inside the new injection action
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* framework.
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*
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* @param <T> servlet type, which must have an {@link Inject @Inject} constructor
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*/
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public abstract class ServletDelegate<T extends HttpServlet> implements Runnable {
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@Inject T servlet;
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@Inject HttpServletRequest req;
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@Inject HttpServletResponse rsp;
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protected ServletDelegate() {}
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@Override
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public final void run() {
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try {
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servlet.init();
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servlet.service(req, rsp);
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servlet.destroy();
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} catch (ServletException | IOException e) {
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throw new RuntimeException(e);
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}
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}
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}
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