org.glassfish.admingui.common.servlet.LogViewerContentSource Maven / Gradle / Ivy
Show all versions of payara-micro Show documentation
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2009-2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.admingui.common.servlet;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.StringTokenizer;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.core.Response;
import org.glassfish.admingui.common.util.RestUtil;
/**
*
* @author andriy.zhdanov
*/
public class LogViewerContentSource implements DownloadServlet.ContentSource {
/**
* This method returns a unique string used to identify this
* {@link DownloadServlet#getContentSource(String)}. This string must be
* specified in order to select the appropriate
* {@link DownloadServlet#getContentSource(String)} when using the
* {@link DownloadServlet}.
*/
public String getId() {
return "LogViewer"; // NOI18N
}
/**
* This method is responsible for generating the content and
* returning an InputStream to that content. It is also
* responsible for setting any attribute values in the
* {@link DownloadServlet#CONTENT_SOURCES}, such as {@link DownloadServlet#EXTENSION} or
* {@link DownloadServlet#CONTENT_TYPE}.
*/
public InputStream getInputStream(DownloadServlet.Context ctx) {
// Set the extension so it can be mapped to a MIME type
ctx.setAttribute(DownloadServlet.EXTENSION, "asc");
HttpServletRequest request = (HttpServletRequest) ctx.getServletRequest();
//http://localhost:4848/management/domain/view-log/?start=180427&instanceName=server
String restUrl = request.getParameter("restUrl");
String start = request.getParameter("start");
String instanceName = request.getParameter("instanceName");
// Create the tmpFile
InputStream tmpFile = null;
try {
String endpoint = restUrl + "/view-log/";
Map attrsMap = new HashMap();
attrsMap.put("start", start);
attrsMap.put("instanceName", instanceName);
Response cr = RestUtil.getRequestFromServlet(request, endpoint, attrsMap);
Map headers = new HashMap();
String xTextAppendNextHeader = cr.getHeaderString("X-Text-Append-Next");
if (!xTextAppendNextHeader.isEmpty()) {
StringTokenizer tokenizer = new StringTokenizer(xTextAppendNextHeader, ",");
if (tokenizer.hasMoreElements()) {
headers.put("X-Text-Append-Next", tokenizer.nextToken());
}
}
ctx.setAttribute(DownloadServlet.HEADERS, headers);
tmpFile = cr.readEntity(InputStream.class);
} catch (Exception ex) {
throw new RuntimeException(ex);
}
// Return an InputStream to the tmpFile
return tmpFile;
}
/**
* This method may be used to clean up any temporary resources. It
* will be invoked after the InputStream has been
* completely read.
*/
public void cleanUp(DownloadServlet.Context ctx) {
// Nothing to do
}
/**
* This method is responsible for returning the last modified date of
* the content, or -1 if not applicable. This information will be
* used for caching. This implementation always returns -1.
*
* @return -1
*/
public long getLastModified(DownloadServlet.Context context) {
return -1;
}
}