/*
* Copyright Myrrix Ltd
*
* 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.
*/
package net.myrrix.web.servlets;
import java.io.IOException;
import java.io.Writer;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.google.common.base.Charsets;
import net.myrrix.web.InitListener;
import net.myrrix.common.log.MemoryHandler;
/**
* Prints recent log messages to the response.
*
* @author Sean Owen
* @since 1.0
*/
public final class LogServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
MemoryHandler logHandler = (MemoryHandler) getServletContext().getAttribute(InitListener.LOG_HANDLER);
response.setContentType("text/plain");
response.setCharacterEncoding(Charsets.UTF_8.name());
Writer out = response.getWriter();
Iterable<String> lines = logHandler.getLogLines();
synchronized (lines) {
for (String line : lines) {
out.write(line); // Already has newline
}
}
}
}