1 /*******************************************************************************
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2 * ============LICENSE_START==================================================
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4 * * ===========================================================================
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5 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
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6 * * ===========================================================================
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7 * * Licensed under the Apache License, Version 2.0 (the "License");
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8 * * you may not use this file except in compliance with the License.
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9 * * You may obtain a copy of the License at
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11 * * http://www.apache.org/licenses/LICENSE-2.0
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13 * * Unless required by applicable law or agreed to in writing, software
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14 * * distributed under the License is distributed on an "AS IS" BASIS,
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15 * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * * See the License for the specific language governing permissions and
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17 * * limitations under the License.
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18 * * ============LICENSE_END====================================================
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20 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
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22 ******************************************************************************/
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24 package org.onap.dmaap.datarouter.provisioning.utils;
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26 import com.att.eelf.configuration.EELFLogger;
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27 import com.att.eelf.configuration.EELFManager;
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28 import java.io.IOException;
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29 import java.net.HttpURLConnection;
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30 import java.net.InetAddress;
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31 import java.net.MalformedURLException;
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32 import java.net.URL;
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33 import java.net.UnknownHostException;
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34 import java.util.Arrays;
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35 import java.util.HashSet;
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36 import java.util.Map;
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37 import java.util.Set;
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38 import java.util.Timer;
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39 import java.util.TimerTask;
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40 import java.util.TreeSet;
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41 import org.json.JSONException;
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42 import org.json.JSONObject;
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43 import org.json.JSONTokener;
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45 import org.onap.dmaap.datarouter.provisioning.ProvRunner;
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46 import org.onap.dmaap.datarouter.provisioning.beans.EgressRoute;
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47 import org.onap.dmaap.datarouter.provisioning.beans.Feed;
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48 import org.onap.dmaap.datarouter.provisioning.beans.Group;
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49 import org.onap.dmaap.datarouter.provisioning.beans.IngressRoute;
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50 import org.onap.dmaap.datarouter.provisioning.beans.NetworkRoute;
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51 import org.onap.dmaap.datarouter.provisioning.beans.Parameters;
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52 import org.onap.dmaap.datarouter.provisioning.beans.Subscription;
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53 import org.onap.dmaap.datarouter.provisioning.BaseServlet;
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56 * This class handles the two timers (described in R1 Design Notes), and takes care of issuing the GET to each node of
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57 * the URL to "poke".
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59 * @author Robert Eby
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60 * @version $Id: Poker.java,v 1.11 2014/01/08 16:13:47 eby Exp $
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63 public class Poker extends TimerTask {
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66 * Template used to generate the URL to issue the GET against.
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68 private static final String POKE_URL_TEMPLATE = "http://%s/internal/fetchProv";
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70 private static final Object lock = new Object();
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71 private static final String CARRIAGE_RETURN = "\n],\n";
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74 * This is a singleton -- there is only one Poker object in the server.
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76 private static Poker poker;
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77 private long timer1;
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78 private long timer2;
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79 private String thisPod; // DNS name of this machine
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80 private EELFLogger logger;
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81 private String provString;
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85 timer1 = timer2 = 0;
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86 logger = EELFManager.getInstance().getLogger("InternalLog");
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88 thisPod = InetAddress.getLocalHost().getHostName();
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89 } catch (UnknownHostException e) {
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90 thisPod = "*UNKNOWN_POD*"; // not a major problem
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91 logger.info("UnknownHostException: Setting thisPod to \"*UNKNOWN_POD*\"", e);
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93 provString = buildProvisioningString();
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94 Timer rolex = new Timer();
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95 rolex.scheduleAtFixedRate(this, 0L, 1000L); // Run once a second to check the timers
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99 * Get the singleton Poker object.
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101 * @return the Poker
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103 public static synchronized Poker getPoker() {
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104 if (poker == null) {
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105 poker = new Poker();
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111 * This method sets the two timers described in the design notes.
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113 * @param t1 the first timer controls how long to wait after a provisioning request before poking each node This
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114 * timer can be reset if it has not "gone off".
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115 * @param t2 the second timer set the outer bound on how long to wait. It cannot be reset.
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117 public void setTimers(long t1, long t2) {
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118 synchronized (lock) {
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119 if (timer1 == 0 || t1 > timer1) {
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126 if (logger.isDebugEnabled()) {
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127 logger.debug("Poker timers set to " + timer1 + " and " + timer2);
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134 * Return the last provisioning string built.
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136 * @return the last provisioning string built.
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138 public String getProvisioningString() {
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143 * The method to run at the predefined interval (once per second). This method checks to see if either of the two
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144 * timers has expired, and if so, will rebuild the provisioning string, and poke all the nodes and other PODs. The
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145 * timers are then reset to 0.
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148 public void run() {
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151 long now = System.currentTimeMillis();
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152 boolean fire = false;
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153 synchronized (lock) {
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154 if (now > timer1 || now > timer2) {
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155 timer1 = timer2 = 0;
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163 } catch (Exception e) {
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164 logger.warn("PROV0020: Caught exception in Poker: " + e);
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168 private void pokeNodes() {
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169 // Rebuild the prov string
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170 provString = buildProvisioningString();
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171 // Only the active POD should poke nodes, etc.
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172 boolean active = SynchronizerTask.getSynchronizer().isActive();
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174 // Poke all the DR nodes
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175 for (String n : BaseServlet.getNodes()) {
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178 // Poke the pod that is not us
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179 for (String n : BaseServlet.getPods()) {
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180 if (n.length() > 0 && !n.equals(thisPod)) {
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187 private void pokeNode(final String nodename) {
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188 logger.debug("PROV0012 Poking node " + nodename + " ...");
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189 String nodeUrl = String.format(POKE_URL_TEMPLATE, nodename + ":" + ProvRunner.getProvProperties().get(
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190 "org.onap.dmaap.datarouter.provserver.http.port"), "8080");
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191 Runnable runn = () -> {
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193 URL url = new URL(nodeUrl);
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194 HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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195 conn.setConnectTimeout(60000); //Fixes for Itrack DATARTR-3, poke timeout
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197 conn.getContentLength(); // Force the GET through
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199 } catch (MalformedURLException e) {
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201 "PROV0013 MalformedURLException Error poking node at " + nodeUrl + " : " + e
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203 } catch (IOException e) {
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204 logger.warn("PROV0013 IOException Error poking node at " + nodeUrl + " : " + e
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211 private String buildProvisioningString() {
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212 StringBuilder sb = new StringBuilder("{\n");
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214 // Append Feeds to the string
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216 sb.append("\"feeds\": [");
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217 for (Feed f : Feed.getAllFeeds()) {
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219 sb.append(f.asJSONObject().toString());
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222 sb.append(CARRIAGE_RETURN);
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224 //Append groups to the string - Rally:US708115 - 1610
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226 sb.append("\"groups\": [");
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227 for (Group s : Group.getAllgroups()) {
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229 sb.append(s.asJSONObject().toString());
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232 sb.append(CARRIAGE_RETURN);
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234 // Append Subscriptions to the string
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236 sb.append("\"subscriptions\": [");
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237 for (Subscription s : Subscription.getAllSubscriptions()) {
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240 sb.append(s.asJSONObject().toString());
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244 sb.append(CARRIAGE_RETURN);
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246 // Append Parameters to the string
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248 sb.append("\"parameters\": {");
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249 Map<String, String> props = Parameters.getParameters();
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250 Set<String> ivals = new HashSet<>();
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251 String intv = props.get("_INT_VALUES");
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252 if (intv != null) {
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253 ivals.addAll(Arrays.asList(intv.split("\\|")));
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255 for (String key : new TreeSet<String>(props.keySet())) {
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256 String val = props.get(key);
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258 sb.append(" \"").append(key).append("\": ");
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259 if (ivals.contains(key)) {
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262 } else if (key.endsWith("S")) {
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263 // Split and append array of strings
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264 String[] pp = val.split("\\|");
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267 for (String t : pp) {
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268 sb.append(p2).append("\"").append(quote(t)).append("\"");
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273 sb.append("\"").append(quote(val)).append("\"");
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277 sb.append("\n},\n");
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279 // Append Routes to the string
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281 sb.append("\"ingress\": [");
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282 for (IngressRoute in : IngressRoute.getAllIngressRoutes()) {
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284 sb.append(in.asJSONObject().toString());
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287 sb.append(CARRIAGE_RETURN);
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290 sb.append("\"egress\": {");
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291 for (EgressRoute eg : EgressRoute.getAllEgressRoutes()) {
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293 String str = eg.asJSONObject().toString();
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294 str = str.substring(1, str.length() - 1);
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298 sb.append("\n},\n");
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301 sb.append("\"routing\": [");
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302 for (NetworkRoute ne : NetworkRoute.getAllNetworkRoutes()) {
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304 sb.append(ne.asJSONObject().toString());
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310 // Convert to string and verify it is valid JSON
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311 String tempProvString = sb.toString();
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313 new JSONObject(new JSONTokener(tempProvString));
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314 } catch (JSONException e) {
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315 logger.warn("PROV0016: Possible invalid prov string: " + e);
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317 return tempProvString;
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320 private String quote(String str) {
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321 StringBuilder sb = new StringBuilder();
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322 for (char ch : str.toCharArray()) {
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323 if (ch == '\\' || ch == '"') {
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328 return sb.toString();
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