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https://issues.apache.org/jira/browse/STORM-1254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15159785#comment-15159785
]
ASF GitHub Bot commented on STORM-1254:
---------------------------------------
Github user revans2 commented on a diff in the pull request:
https://github.com/apache/storm/pull/1139#discussion_r53862671
--- Diff: storm-core/src/jvm/org/apache/storm/ui/UIHelpers.java ---
@@ -0,0 +1,319 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * 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.apache.storm.ui;
+
+import clojure.lang.Keyword;
+import clojure.lang.RT;
+import com.google.common.base.Joiner;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Lists;
+import org.apache.commons.lang.StringEscapeUtils;
+import org.apache.storm.generated.ExecutorInfo;
+import org.apache.storm.logging.filters.AccessLoggingFilter;
+import org.apache.storm.utils.Utils;
+import org.eclipse.jetty.server.Connector;
+import org.eclipse.jetty.server.DispatcherType;
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.server.nio.SelectChannelConnector;
+import org.eclipse.jetty.server.ssl.SslSocketConnector;
+import org.eclipse.jetty.servlet.FilterHolder;
+import org.eclipse.jetty.servlet.FilterMapping;
+import org.eclipse.jetty.servlet.ServletContextHandler;
+import org.eclipse.jetty.servlet.ServletHolder;
+import org.eclipse.jetty.servlets.CrossOriginFilter;
+import org.eclipse.jetty.util.ssl.SslContextFactory;
+import org.json.simple.JSONValue;
+
+import javax.servlet.Servlet;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.net.URLEncoder;
+import java.util.*;
+
+public class UIHelpers {
+
+ private static final String[][] PRETTY_SEC_DIVIDERS = {
+ new String[]{"s", "60"},
+ new String[]{"m", "60"},
+ new String[]{"h", "24"},
+ new String[]{"d", null}};
+
+ private static final String[][] PRETTY_MS_DIVIDERS = {
+ new String[]{"ms", "1000"},
+ new String[]{"s", "60"},
+ new String[]{"m", "60"},
+ new String[]{"h", "24"},
+ new String[]{"d", null}};
+
+ public static String prettyUptimeStr(String val, String[][] dividers) {
+ int uptime = Integer.parseInt(val);
+ LinkedList<String> tmp = new LinkedList<>();
+ for (String[] divider : dividers) {
+ if (uptime > 0) {
+ if (divider[1] != null) {
+ int div = Integer.parseInt(divider[1]);
+ tmp.addFirst(uptime % div + divider[0]);
+ uptime = uptime / div;
+ } else {
+ tmp.addFirst(uptime + divider[0]);
+ }
+ }
+ }
+ return Joiner.on(" ").join(tmp);
+ }
+
+ public static String prettyUptimeSec(String sec) {
+ return prettyUptimeStr(sec, PRETTY_SEC_DIVIDERS);
+ }
+
+ public static String prettyUptimeSec(int secs) {
+ return prettyUptimeStr(String.valueOf(secs), PRETTY_SEC_DIVIDERS);
+ }
+
+ public static String prettyUptimeMs(String ms) {
+ return prettyUptimeStr(ms, PRETTY_MS_DIVIDERS);
+ }
+
+ public static String prettyUptimeMs(int ms) {
+ return prettyUptimeStr(String.valueOf(ms), PRETTY_MS_DIVIDERS);
+ }
+
+
+ public static String urlFormat(String fmt, Object... args) {
+ String[] argsEncoded = new String[args.length];
+ for (int i = 0; i < args.length; i++) {
+ argsEncoded[i] = URLEncoder.encode(String.valueOf(args[i]));
+ }
+ return String.format(fmt, argsEncoded);
+ }
+
+ public static String prettyExecutorInfo(ExecutorInfo e) {
+ return "[" + e.get_task_start() + "-" + e.get_task_end() + "]";
+ }
+
+ public static Map unauthorizedUserJson(String user) {
+ return ImmutableMap.of(
+ "error", "No Authorization",
+ "errorMessage", String.format("User %s is not
authorized.", user)
+ );
+ }
+
+ public static List unauthorizedUserHtml(String user) {
+ return Lists.newArrayList(
+ keyword("h1"),
+ "User '",
+ StringEscapeUtils.escapeHtml(user),
+ "' is not authorized.");
+ }
+
+ private static SslSocketConnector mkSslConnector(Integer port, String
ksPath, String ksPassword, String ksType,
+ String keyPassword,
String tsPath, String tsPassword, String tsType,
+ Boolean
needClientAuth, Boolean wantClientAuth) {
+ SslContextFactory factory = new SslContextFactory();
+ factory.setExcludeCipherSuites("SSL_RSA_WITH_RC4_128_MD5",
"SSL_RSA_WITH_RC4_128_SHA");
+ factory.setExcludeProtocols("SSLv3");
+ factory.setAllowRenegotiate(false);
+ factory.setKeyStorePath(ksPath);
+ factory.setKeyStoreType(ksType);
+ factory.setKeyStorePassword(ksPassword);
+ factory.setKeyManagerPassword(keyPassword);
+
+ if (tsPath != null && tsPassword != null && tsType != null) {
+ factory.setTrustStore(tsPath);
+ factory.setTrustStoreType(tsType);
+ factory.setTrustStorePassword(tsPassword);
+ }
+
+ if (needClientAuth != null && needClientAuth) {
+ factory.setNeedClientAuth(true);
+ }
+ if (wantClientAuth != null && wantClientAuth) {
+ factory.setWantClientAuth(true);
+ }
+
+ SslSocketConnector sslConnector = new SslSocketConnector(factory);
+ sslConnector.setPort(port);
+ return sslConnector;
+ }
+
+ public static void configSsl(Server server, Integer port, String
ksPath, String ksPassword, String ksType,
+ String keyPassword, String tsPath, String
tsPassword, String tsType, Boolean needClientAuth, Boolean wantClientAuth) {
+ if (port > 0) {
+ server.addConnector(mkSslConnector(port, ksPath, ksPassword,
ksType, keyPassword,
+ tsPath, tsPassword, tsType, needClientAuth,
wantClientAuth));
+ }
+ }
+
+ public static FilterHolder corsFilterHandle() {
+ FilterHolder filterHolder = new FilterHolder(new
CrossOriginFilter());
+
filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_ORIGINS_PARAM, "*");
+
filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_ORIGINS_PARAM, "GET,
POST, PUT");
+
filterHolder.setInitParameter(CrossOriginFilter.ALLOWED_ORIGINS_PARAM,
"X-Requested-With, X-Requested-By, Access-Control-Allow-Origin, Content-Type,
Content-Length, Accept, Origin");
+
filterHolder.setInitParameter(CrossOriginFilter.ACCESS_CONTROL_ALLOW_ORIGIN_HEADER,
"*");
+ return filterHolder;
+ }
+
+ public static FilterHolder mkAccessLoggingFilterHandle() {
+ return new FilterHolder(new AccessLoggingFilter());
+ }
+
+ public static void configFilter(Server server, Servlet servlet, List
filtersConfs) {
+ if (filtersConfs != null) {
+ ServletHolder servletHolder = new ServletHolder(servlet);
+ ServletContextHandler context = new
ServletContextHandler(server, "/");
+ context.addServlet(servletHolder, "/");
+ context.addFilter(corsFilterHandle(), "/*",
EnumSet.allOf(DispatcherType.class));
+ for (Object obj : filtersConfs) {
+ Map filterConf = (Map) obj;
+ String filterName = (String)
filterConf.get(keyword("filter-name"));
+ String filterClass = (String)
filterConf.get(keyword("filter-class"));
+ Map filterParams = (Map)
filterConf.get(keyword("filter-params"));
+ if (filterClass != null) {
+ FilterHolder filterHolder = new FilterHolder();
+ filterHolder.setClassName(filterClass);
+ if (filterName != null) {
+ filterHolder.setName(filterName);
+ } else {
+ filterHolder.setName(filterClass);
+ }
+ if (filterParams != null) {
+ filterHolder.setInitParameters(filterParams);
+ } else {
+ filterHolder.setInitParameters(new HashMap<String,
String>());
+ }
+ context.addFilter(filterHolder, "/*",
FilterMapping.ALL);
+ }
+ }
+ context.addFilter(mkAccessLoggingFilterHandle(), "/*",
EnumSet.allOf(DispatcherType.class));
+ server.setHandler(context);
+ }
+ }
+
+ public static Map ringResponseFromException(Exception ex) {
--- End diff --
We should probably leave this in clojure and inline it in the files that
use it, so when they move to new technology it can go away or the appropriate
replacement code can be written.
> port backtype.storm.ui.helpers to java
> --------------------------------------
>
> Key: STORM-1254
> URL: https://issues.apache.org/jira/browse/STORM-1254
> Project: Apache Storm
> Issue Type: New Feature
> Components: storm-core
> Reporter: Robert Joseph Evans
> Assignee: Jark Wu
> Labels: java-migration, jstorm-merger
>
> Helper functions for the UI/HTTP
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